Version 2.12.0-193.0.dev

Merge commit 'bd30532d82ba47edfcad31fee7083294f57a8139' into 'dev'
diff --git a/pkg/analysis_server/test/src/domains/completion/available_suggestion_sets_test.dart b/pkg/analysis_server/test/src/domains/completion/available_suggestion_sets_test.dart
index e66c221..d168cee 100644
--- a/pkg/analysis_server/test/src/domains/completion/available_suggestion_sets_test.dart
+++ b/pkg/analysis_server/test/src/domains/completion/available_suggestion_sets_test.dart
@@ -111,6 +111,72 @@
 ''');
   }
 
+  Future<void> test_suggestion_class_part() async {
+    var a_path = convertPath('/home/test/lib/a.dart');
+    var b_path = convertPath('/home/test/lib/b.dart');
+    var a_uriStr = 'package:test/a.dart';
+
+    newFile(a_path, content: r'''
+part 'b.dart';
+class A {}
+''');
+
+    newFile(b_path, content: r'''
+part of 'a.dart';
+class B {}
+''');
+
+    var set = await waitForSetWithUri(a_uriStr);
+    assertJsonText(_getSuggestion(set, 'A', kind: ElementKind.CLASS), '''
+{
+  "label": "A",
+  "declaringLibraryUri": "package:test/a.dart",
+  "element": {
+    "kind": "CLASS",
+    "name": "A",
+    "location": {
+      "file": "/home/test/lib/a.dart",
+      "offset": 21,
+      "length": 0,
+      "startLine": 2,
+      "startColumn": 7
+    },
+    "flags": 0
+  },
+  "relevanceTags": [
+    "ElementKind.CLASS",
+    "package:test/a.dart::A",
+    "A"
+  ]
+}
+''');
+
+    // We should not get duplicate relevance tags.
+    assertJsonText(_getSuggestion(set, 'B', kind: ElementKind.CLASS), '''
+{
+  "label": "B",
+  "declaringLibraryUri": "package:test/a.dart",
+  "element": {
+    "kind": "CLASS",
+    "name": "B",
+    "location": {
+      "file": "/home/test/lib/b.dart",
+      "offset": 24,
+      "length": 0,
+      "startLine": 2,
+      "startColumn": 7
+    },
+    "flags": 0
+  },
+  "relevanceTags": [
+    "ElementKind.CLASS",
+    "package:test/a.dart::B",
+    "B"
+  ]
+}
+''');
+  }
+
   Future<void> test_suggestion_enum() async {
     var path = convertPath('/home/test/lib/a.dart');
     var uriStr = 'package:test/a.dart';
@@ -307,7 +373,9 @@
   }
 
   static AvailableSuggestion _getSuggestion(
-      AvailableSuggestionSet set, String label) {
-    return set.items.singleWhere((s) => s.label == label);
+      AvailableSuggestionSet set, String label,
+      {ElementKind kind}) {
+    return set.items.singleWhere(
+        (s) => s.label == label && (kind == null || s.element.kind == kind));
   }
 }
diff --git a/pkg/analyzer/lib/src/services/available_declarations.dart b/pkg/analyzer/lib/src/services/available_declarations.dart
index 4edfaae..d47bbd7 100644
--- a/pkg/analyzer/lib/src/services/available_declarations.dart
+++ b/pkg/analyzer/lib/src/services/available_declarations.dart
@@ -58,7 +58,8 @@
   final String returnType;
   final String typeParameters;
 
-  List<String> _relevanceTags;
+  final List<String> _relevanceTagsInFile;
+  List<String> _relevanceTagsInLibrary = const [];
   Uri _locationLibraryUri;
 
   Declaration({
@@ -85,15 +86,18 @@
     @required this.parameterNames,
     @required this.parameterTypes,
     @required this.parent,
-    @required List<String> relevanceTags,
+    @required List<String> relevanceTagsInFile,
     @required this.requiredParameterCount,
     @required this.returnType,
     @required this.typeParameters,
-  }) : _relevanceTags = relevanceTags;
+  }) : _relevanceTagsInFile = relevanceTagsInFile;
 
   Uri get locationLibraryUri => _locationLibraryUri;
 
-  List<String> get relevanceTags => _relevanceTags;
+  List<String> get relevanceTags => [
+        ..._relevanceTagsInFile,
+        ..._relevanceTagsInLibrary,
+      ];
 
   @override
   String toString() {
@@ -927,9 +931,6 @@
     var kind = kindFromIdl(d.kind);
 
     var relevanceTags = d.relevanceTags.toList();
-    if (relevanceTags.isEmpty) {
-      relevanceTags = null;
-    }
 
     var children = <Declaration>[];
     var declaration = Declaration(
@@ -960,7 +961,7 @@
       parameterNames: hasParameters ? d.parameterNames.toList() : null,
       parameterTypes: hasParameters ? d.parameterTypes.toList() : null,
       parent: parent,
-      relevanceTags: relevanceTags,
+      relevanceTagsInFile: relevanceTags,
       requiredParameterCount: hasParameters ? d.requiredParameterCount : null,
       returnType: hasReturnType ? d.returnType : null,
       typeParameters: hasTypeParameters ? d.typeParameters : null,
@@ -1082,7 +1083,7 @@
       parameters: d.parameters,
       parameterNames: d.parameterNames,
       parameterTypes: d.parameterTypes,
-      relevanceTags: d.relevanceTags,
+      relevanceTags: d._relevanceTagsInFile,
       requiredParameterCount: d.requiredParameterCount,
       returnType: d.returnType,
       typeParameters: d.typeParameters,
@@ -1130,7 +1131,7 @@
 
 class _File {
   /// The version of data format, should be incremented on every format change.
-  static const int DATA_VERSION = 15;
+  static const int DATA_VERSION = 16;
 
   /// The next value for [id].
   static int _nextId = 0;
@@ -1385,7 +1386,7 @@
         parameterNames: parameterNames,
         parameterTypes: parameterTypes,
         parent: parent,
-        relevanceTags: relevanceTags,
+        relevanceTagsInFile: relevanceTags,
         requiredParameterCount: requiredParameterCount,
         returnType: returnType,
         typeParameters: typeParameters,
@@ -1557,7 +1558,7 @@
             parameterNames: [],
             parameterTypes: [],
             parent: classDeclaration,
-            relevanceTags: ['ElementKind.CONSTRUCTOR'],
+            relevanceTagsInFile: ['ElementKind.CONSTRUCTOR'],
             requiredParameterCount: 0,
             returnType: node.name.name,
             typeParameters: null,
@@ -1711,10 +1712,7 @@
   void _computeRelevanceTags(List<Declaration> declarations) {
     for (var declaration in declarations) {
       var tags = RelevanceTags._forDeclaration(uriStr, declaration);
-      if (tags != null) {
-        declaration._relevanceTags ??= [];
-        declaration._relevanceTags.addAll(tags);
-      }
+      declaration._relevanceTagsInLibrary = tags ?? const [];
       _computeRelevanceTags(declaration.children);
     }
   }
diff --git a/pkg/analyzer/test/src/services/available_declarations_test.dart b/pkg/analyzer/test/src/services/available_declarations_test.dart
index b5304ba..0b22124 100644
--- a/pkg/analyzer/test/src/services/available_declarations_test.dart
+++ b/pkg/analyzer/test/src/services/available_declarations_test.dart
@@ -955,6 +955,60 @@
     ]);
   }
 
+  /// https://github.com/dart-lang/sdk/issues/44353
+  test_updated_library_hasPart() async {
+    var a = convertPath('/home/test/lib/a.dart');
+    var b = convertPath('/home/test/lib/b.dart');
+
+    newFile(a, content: r'''
+part 'b.dart';
+class A {}
+''');
+    newFile(b, content: r'''
+part of 'a.dart';
+class B {}
+''');
+    tracker.addContext(testAnalysisContext);
+
+    await _doAllTrackerWork();
+
+    var library = _getLibrary('package:test/a.dart');
+    _assertDeclaration(
+      _getDeclaration(library.declarations, 'A'),
+      'A',
+      DeclarationKind.CLASS,
+      relevanceTags: ['ElementKind.CLASS', 'package:test/a.dart::A'],
+    );
+    _assertDeclaration(
+      _getDeclaration(library.declarations, 'B'),
+      'B',
+      DeclarationKind.CLASS,
+      relevanceTags: ['ElementKind.CLASS', 'package:test/a.dart::B'],
+    );
+
+    newFile(a, content: r'''
+part 'b.dart';
+class A2 {}
+''');
+    tracker.changeFile(a);
+    await _doAllTrackerWork();
+
+    // We should not get duplicate relevance tags, specifically in the part.
+    library = _getLibrary('package:test/a.dart');
+    _assertDeclaration(
+      _getDeclaration(library.declarations, 'A2'),
+      'A2',
+      DeclarationKind.CLASS,
+      relevanceTags: ['ElementKind.CLASS', 'package:test/a.dart::A2'],
+    );
+    _assertDeclaration(
+      _getDeclaration(library.declarations, 'B'),
+      'B',
+      DeclarationKind.CLASS,
+      relevanceTags: ['ElementKind.CLASS', 'package:test/a.dart::B'],
+    );
+  }
+
   test_updated_library_to_part() async {
     var a = convertPath('/home/test/lib/a.dart');
 
diff --git a/pkg/dev_compiler/lib/src/compiler/module_containers.dart b/pkg/dev_compiler/lib/src/compiler/module_containers.dart
index 267afb5..647353b 100644
--- a/pkg/dev_compiler/lib/src/compiler/module_containers.dart
+++ b/pkg/dev_compiler/lib/src/compiler/module_containers.dart
@@ -39,15 +39,34 @@
   /// Name of the container in the emitted JS.
   String name;
 
+  /// Indicates if this table is being used in an incremental context (such as
+  /// during expression evaluation).
+  ///
+  /// Set by `emitFunctionIncremental` in kernel/compiler.dart.
+  bool incrementalMode = false;
+
   /// Refers to the latest container if this container is sharded.
   js_ast.Identifier containerId;
 
+  /// Refers to the aggregated entrypoint into this container.
+  ///
+  /// Should only be accessed during expression evaluation since lookups are
+  /// deoptimized in V8..
+  js_ast.Identifier aggregatedContainerId;
+
   final Map<K, ModuleItemData> moduleItems = {};
 
   /// Holds keys that will not be emitted when calling [emit].
   final Set<K> _noEmit = {};
 
-  ModuleItemContainer._(this.name, this.containerId);
+  /// Creates a container with a name, ID, and incremental ID used for
+  /// expression evaluation.
+  ///
+  /// If [aggregatedId] is null, the container is not sharded, so the
+  /// containerId is safe to use during eval.
+  ModuleItemContainer._(
+      this.name, this.containerId, js_ast.Identifier aggregatedId)
+      : this.aggregatedContainerId = aggregatedId ?? containerId;
 
   /// Creates an automatically sharding container backed by JS Objects.
   factory ModuleItemContainer.asObject(String name,
@@ -95,7 +114,7 @@
   /// Emit the container declaration/initializer incrementally.
   ///
   /// Used during expression evaluation. Appends all newly added types to the
-  /// most recent container.
+  /// aggregated container.
   List<js_ast.Statement> emitIncremental();
 }
 
@@ -123,7 +142,8 @@
   String Function(K) keyToString;
 
   ModuleItemObjectContainer(String name, this.keyToString)
-      : super._(name, js_ast.TemporaryId(name));
+      : super._(
+            name, js_ast.TemporaryId(name), js_ast.Identifier('${name}\$Eval'));
 
   @override
   void operator []=(K key, js_ast.Expression value) {
@@ -150,7 +170,8 @@
 
   @override
   js_ast.Expression access(K key) {
-    return js.call('#.#', [moduleItems[key].id, moduleItems[key].jsKey]);
+    var id = incrementalMode ? aggregatedContainerId : moduleItems[key].id;
+    return js.call('#.#', [id, moduleItems[key].jsKey]);
   }
 
   @override
@@ -173,23 +194,29 @@
       ];
     }
     var statements = <js_ast.Statement>[];
+    var aggregatedContainers = <js_ast.Expression>[];
     containersToProperties.forEach((containerId, properties) {
       var containerObject = js_ast.ObjectInitializer(properties,
           multiline: properties.length > 1);
       statements.add(js.statement(
           'var # = Object.create(#)', [containerId, containerObject]));
+      aggregatedContainers.add(js.call('#', [containerId]));
     });
+    // Create an aggregated access point over all containers for eval.
+    statements.add(js.statement('var # = Object.assign({_ : () => #}, #)',
+        [aggregatedContainerId, aggregatedContainerId, aggregatedContainers]));
     return statements;
   }
 
   /// Appends all newly added types to the most recent container.
   @override
   List<js_ast.Statement> emitIncremental() {
+    assert(incrementalMode);
     var statements = <js_ast.Statement>[];
     moduleItems.forEach((k, v) {
       if (_noEmit.contains(k)) return;
-      statements
-          .add(js.statement('#[#] = #', [containerId, v.jsKey, v.jsValue]));
+      statements.add(js
+          .statement('#[#] = #', [aggregatedContainerId, v.jsKey, v.jsValue]));
     });
     return statements;
   }
@@ -206,7 +233,7 @@
 /// ```
 class ModuleItemArrayContainer<K> extends ModuleItemContainer<K> {
   ModuleItemArrayContainer(String name)
-      : super._(name, js_ast.TemporaryId(name));
+      : super._(name, js_ast.TemporaryId(name), null);
 
   @override
   void operator []=(K key, js_ast.Expression value) {
@@ -220,7 +247,8 @@
 
   @override
   js_ast.Expression access(K key) {
-    return js.call('#[#]', [containerId, moduleItems[key].jsKey]);
+    var id = incrementalMode ? aggregatedContainerId : containerId;
+    return js.call('#[#]', [id, moduleItems[key].jsKey]);
   }
 
   @override
@@ -257,11 +285,12 @@
 
   @override
   List<js_ast.Statement> emitIncremental() {
+    assert(incrementalMode);
     var statements = <js_ast.Statement>[];
     moduleItems.forEach((k, v) {
       if (_noEmit.contains(k)) return;
-      statements
-          .add(js.statement('#[#] = #', [containerId, v.jsKey, v.jsValue]));
+      statements.add(js
+          .statement('#[#] = #', [aggregatedContainerId, v.jsKey, v.jsValue]));
     });
     return statements;
   }
diff --git a/pkg/dev_compiler/lib/src/compiler/shared_compiler.dart b/pkg/dev_compiler/lib/src/compiler/shared_compiler.dart
index 2fcad3e..87ddd49 100644
--- a/pkg/dev_compiler/lib/src/compiler/shared_compiler.dart
+++ b/pkg/dev_compiler/lib/src/compiler/shared_compiler.dart
@@ -581,6 +581,10 @@
     return _symbolContainer[id];
   }
 
+  void setSymbolContainerIncrementalMode(bool setting) {
+    _symbolContainer.incrementalMode = setting;
+  }
+
   /// Finishes the module created by [startModule], by combining the preable
   /// [items] with the [moduleItems] that have been emitted.
   ///
diff --git a/pkg/dev_compiler/lib/src/kernel/compiler.dart b/pkg/dev_compiler/lib/src/kernel/compiler.dart
index eabd9f8..fea201a 100644
--- a/pkg/dev_compiler/lib/src/kernel/compiler.dart
+++ b/pkg/dev_compiler/lib/src/kernel/compiler.dart
@@ -70,7 +70,7 @@
   /// Let variables collected for the given function.
   List<js_ast.TemporaryId> _letVariables;
 
-  final _constTable = js_ast.TemporaryId('CT');
+  final _constTable = js_ast.Identifier('CT');
 
   /// Constant getters used to populate the constant table.
   final _constLazyAccessors = <js_ast.Method>[];
@@ -3088,6 +3088,10 @@
     // original code.
     _checkParameters = false;
 
+    // Set module item containers to incremental mode.
+    setSymbolContainerIncrementalMode(true);
+    _typeTable.typeContainer.incrementalMode = true;
+
     // Emit function with additional information, such as types that are used
     // in the expression. Note that typeTable can be null if this function is
     // called from the expression compilation service, since we currently do
@@ -3097,7 +3101,7 @@
     // Issue: https://github.com/dart-lang/sdk/issues/43288
     var fun = _emitFunction(functionNode, name);
 
-    var types = _typeTable?.dischargeBoundTypes(incremental: true);
+    var types = _typeTable?.dischargeBoundTypes();
     var constants = _dischargeConstTable();
 
     var body = js_ast.Block([...?types, ...?constants, ...fun.body.statements]);
@@ -4997,9 +5001,7 @@
       Expression left, Member target, Expression right,
       {bool negated = false}) {
     var targetClass = target?.enclosingClass;
-    var leftType = targetClass != null
-        ? _coreTypes.legacyRawType(targetClass)
-        : left.getStaticType(_staticTypeContext);
+    var leftType = left.getStaticType(_staticTypeContext);
 
     // Conceptually `x == y` in Dart is defined as:
     //
diff --git a/pkg/dev_compiler/lib/src/kernel/type_table.dart b/pkg/dev_compiler/lib/src/kernel/type_table.dart
index d25ae97..7154215 100644
--- a/pkg/dev_compiler/lib/src/kernel/type_table.dart
+++ b/pkg/dev_compiler/lib/src/kernel/type_table.dart
@@ -122,15 +122,14 @@
 
   /// Emit the initializer statements for the type container, which contains
   /// all named types with fully bound type parameters.
-  ///
-  /// [incremental] is only used for expression evaluation.
-  List<js_ast.Statement> dischargeBoundTypes({bool incremental = false}) {
+  List<js_ast.Statement> dischargeBoundTypes() {
     for (var t in typeContainer.keys) {
       typeContainer[t] = js.call('() => ((# = #.constFn(#))())',
           [typeContainer.access(t), _runtimeModule, typeContainer[t]]);
     }
-    var boundTypes =
-        incremental ? typeContainer.emitIncremental() : typeContainer.emit();
+    var boundTypes = typeContainer.incrementalMode
+        ? typeContainer.emitIncremental()
+        : typeContainer.emit();
     // Bound types should only be emitted once (even across multiple evals).
     for (var t in typeContainer.keys) {
       typeContainer.setNoEmit(t);
diff --git a/pkg/dev_compiler/test/expression_compiler/expression_compiler_test.dart b/pkg/dev_compiler/test/expression_compiler/expression_compiler_test.dart
index dea8b77..d6983f9 100644
--- a/pkg/dev_compiler/test/expression_compiler/expression_compiler_test.dart
+++ b/pkg/dev_compiler/test/expression_compiler/expression_compiler_test.dart
@@ -450,10 +450,10 @@
             expression: 'main',
             expectedResult: '''
             (function(x, y, z) {
-              T.VoidTodynamic = () => (T.VoidTodynamic = dart.constFn(dart.fnType(dart.dynamic, [])))();
+              T\$Eval.VoidTodynamic = () => (T\$Eval.VoidTodynamic = dart.constFn(dart.fnType(dart.dynamic, [])))();
               dart.defineLazy(CT, {
                 get C0() {
-                  return C[0] = dart.fn(foo.main, T.VoidTodynamic());
+                  return C[0] = dart.fn(foo.main, T\$Eval.VoidTodynamic());
                 }
               }, false);
               return C[0] || CT.C0;
@@ -1339,8 +1339,8 @@
             expression: 'baz(p as String)',
             expectedResult: '''
             (function(p) {
-              T.StringL = () => (T.StringL = dart.constFn(dart.legacy(core.String)))();
-              return foo.baz(T.StringL().as(p));
+              T\$Eval.StringL = () => (T\$Eval.StringL = dart.constFn(dart.legacy(core.String)))();
+              return foo.baz(T\$Eval.StringL().as(p));
             }(
             0
             ))
@@ -1959,8 +1959,8 @@
             expression: 'a is String',
             expectedResult: '''
             (function(a, check) {
-              T.StringL = () => (T.StringL = dart.constFn(dart.legacy(core.String)))();
-              return T.StringL().is(a);
+              T\$Eval.StringL = () => (T\$Eval.StringL = dart.constFn(dart.legacy(core.String)))();
+              return T\$Eval.StringL().is(a);
             }(
               null,
               null
@@ -1974,7 +1974,7 @@
             expression: 'a is int',
             expectedResult: '''
             (function(a, check) {
-              return T.intL().is(a);
+              return T\$Eval.intL().is(a);
             }(
               null,
               null
@@ -2182,10 +2182,10 @@
             expression: 'main',
             expectedResult: '''
             (function(x, y, z) {
-              T.VoidTodynamic = () => (T.VoidTodynamic = dart.constFn(dart.fnType(dart.dynamic, [])))();
+              T\$Eval.VoidTodynamic = () => (T\$Eval.VoidTodynamic = dart.constFn(dart.fnType(dart.dynamic, [])))();
               dart.defineLazy(CT, {
                 get C0() {
-                  return C[0] = dart.fn(foo.main, T.VoidTodynamic());
+                  return C[0] = dart.fn(foo.main, T\$Eval.VoidTodynamic());
                 }
               }, false);
               return C[0] || CT.C0;
diff --git a/pkg/vm_service/CHANGELOG.md b/pkg/vm_service/CHANGELOG.md
index 4b6ac4a..8c80c4f 100644
--- a/pkg/vm_service/CHANGELOG.md
+++ b/pkg/vm_service/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## 5.5.1
+- Fix issue where `VmService.onDone` could complete before the provided `DisposeHandler` had finished executing.
+
 ## 5.5.0
 - Update to version `3.42.0` of the spec.
 - Added optional `limit` parameter to `getStack` RPC.
diff --git a/pkg/vm_service/example/vm_service_tester.dart b/pkg/vm_service/example/vm_service_tester.dart
index 8038c98..75e94a5 100644
--- a/pkg/vm_service/example/vm_service_tester.dart
+++ b/pkg/vm_service/example/vm_service_tester.dart
@@ -128,7 +128,7 @@
     print(await serviceClient.resume(isolateRef.id));
 
     print('waiting for client to shut down...');
-    serviceClient.dispose();
+    await serviceClient.dispose();
 
     await serviceClient.onDone;
     print('service client shut down');
@@ -179,7 +179,7 @@
   });
   await otherClient.streamListen('Service');
   await completer.future;
-  otherClient.dispose();
+  await otherClient.dispose();
 }
 
 Future testScriptParse(IsolateRef isolateRef) async {
diff --git a/pkg/vm_service/lib/src/vm_service.dart b/pkg/vm_service/lib/src/vm_service.dart
index 6bb049a..446c5e4 100644
--- a/pkg/vm_service/lib/src/vm_service.dart
+++ b/pkg/vm_service/lib/src/vm_service.dart
@@ -1965,8 +1965,8 @@
 
   Stream<String> get onReceive => _onReceive.stream;
 
-  void dispose() {
-    _streamSub.cancel();
+  Future<void> dispose() async {
+    await _streamSub.cancel();
     _completers.forEach((id, c) {
       final method = _methodCalls[id];
       return c.completeError(RPCError(
@@ -1974,7 +1974,7 @@
     });
     _completers.clear();
     if (_disposeHandler != null) {
-      _disposeHandler();
+      await _disposeHandler();
     }
     if (!_onDoneCompleter.isCompleted) {
       _onDoneCompleter.complete();
@@ -6772,7 +6772,7 @@
   static Timeline parse(Map<String, dynamic> json) =>
       json == null ? null : Timeline._fromJson(json);
 
-  /// A list of timeline events. No order is guaranteed for these events; in
+  /// A list of timeline events. No order is guarenteed for these events; in
   /// particular, these events may be unordered with respect to their
   /// timestamps.
   List<TimelineEvent> traceEvents;
diff --git a/pkg/vm_service/pubspec.yaml b/pkg/vm_service/pubspec.yaml
index 3b14073..7f1f7af 100644
--- a/pkg/vm_service/pubspec.yaml
+++ b/pkg/vm_service/pubspec.yaml
@@ -2,7 +2,7 @@
 description: >-
   A library to communicate with a service implementing the Dart VM
   service protocol.
-version: 5.5.0
+version: 5.5.1
 
 homepage: https://github.com/dart-lang/sdk/tree/master/pkg/vm_service
 
diff --git a/pkg/vm_service/test/regress_43940_test.dart b/pkg/vm_service/test/regress_43940_test.dart
new file mode 100644
index 0000000..3a490f3
--- /dev/null
+++ b/pkg/vm_service/test/regress_43940_test.dart
@@ -0,0 +1,29 @@
+// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:async';
+
+import 'package:pedantic/pedantic.dart';
+import 'package:test/test.dart';
+import 'package:vm_service/vm_service.dart';
+
+void main() {
+  test('Call dispose handler before onDone completion', () async {
+    final controller = StreamController<String>(onCancel: () async {
+      await Future.delayed(const Duration(seconds: 1));
+    });
+    bool completed = false;
+    final fakeService = VmService(
+      controller.stream,
+      controller.sink.add,
+      disposeHandler: () async {
+        completed = true;
+      },
+    );
+
+    unawaited(fakeService.dispose());
+    await fakeService.onDone;
+    expect(completed, true);
+  });
+}
diff --git a/pkg/vm_service/test/server_test.dart b/pkg/vm_service/test/server_test.dart
index 739af84..2362c93 100644
--- a/pkg/vm_service/test/server_test.dart
+++ b/pkg/vm_service/test/server_test.dart
@@ -420,7 +420,7 @@
 
       // Kill the client that registered the handler, it should now fall back
       // on `callServiceExtension`.
-      client.dispose();
+      await client.dispose();
       // This should complete as well.
       await clientConnection.done;
 
diff --git a/pkg/vm_service/tool/dart/generate_dart.dart b/pkg/vm_service/tool/dart/generate_dart.dart
index 49fb41a..e8dabfe 100644
--- a/pkg/vm_service/tool/dart/generate_dart.dart
+++ b/pkg/vm_service/tool/dart/generate_dart.dart
@@ -100,8 +100,8 @@
 
   Stream<String> get onReceive => _onReceive.stream;
 
-  void dispose() {
-    _streamSub.cancel();
+  Future<void> dispose() async {
+    await _streamSub.cancel();
     _completers.forEach((id, c) {
       final method = _methodCalls[id];
       return c.completeError(RPCError(
@@ -109,7 +109,7 @@
     });
     _completers.clear();
     if (_disposeHandler != null) {
-      _disposeHandler();
+      await _disposeHandler();
     }
     if (!_onDoneCompleter.isCompleted) {
       _onDoneCompleter.complete();
diff --git a/runtime/observatory/lib/app.dart b/runtime/observatory/lib/app.dart
index ee1640b..8b3742f 100644
--- a/runtime/observatory/lib/app.dart
+++ b/runtime/observatory/lib/app.dart
@@ -18,7 +18,6 @@
 import 'package:observatory/tracer.dart';
 import 'package:observatory/utils.dart';
 import 'package:stack_trace/stack_trace.dart';
-import 'package:usage/usage_html.dart';
 
 export 'package:observatory/utils.dart';
 
diff --git a/runtime/observatory/web/third_party/trace_viewer_full.html b/runtime/observatory/web/third_party/trace_viewer_full.html
index d815ec5..49c4e55 100644
--- a/runtime/observatory/web/third_party/trace_viewer_full.html
+++ b/runtime/observatory/web/third_party/trace_viewer_full.html
@@ -2908,8 +2908,6 @@
       <div id="collapsing_controls"></div>
       <tr-ui-b-info-bar-group id="import-warnings">
       </tr-ui-b-info-bar-group>
-      <tr-ui-b-info-bar-group id="polyfill-warning">
-      </tr-ui-b-info-bar-group>
     </div>
     <middle-container>
       <slot></slot>
@@ -3120,10 +3118,6 @@
       margin-right: 20px;
     }
 
-    #show_visualization {
-      margin-right: 20px;
-    }
-
     #export {
       margin-right: 20px;
     }
@@ -3169,8 +3163,6 @@
       <select id="statistic" value="{{displayStatisticName::change}}">
       </select>
 
-      <button id="show_visualization" on-tap="loadVisualization_">Visualize</button>
-
       <tr-ui-b-dropdown label="Export">
         <tr-v-ui-histogram-set-controls-export>
         </tr-v-ui-histogram-set-controls-export>
@@ -3396,221 +3388,6 @@
 
     <tr-ui-b-table id="table">
   </tr-ui-b-table></template>
-</dom-module><dom-module id="tr-v-ui-metrics-visualization">
-  <template>
-    <style>
-      button {
-        padding: 5px;
-        font-size: 14px;
-      }
-
-      .text_input {
-        width: 50px;
-        padding: 4px;
-        font-size: 14px;
-      }
-
-      .error {
-        color: red;
-        display: none;
-      }
-
-      .container {
-        position: relative;
-        display: inline-block;
-        margin-left: 15px;
-      }
-
-      #title {
-        font-size: 20px;
-        font-weight: bold;
-        padding-bottom: 5px;
-      }
-
-      #selectors {
-        display: block;
-        padding-bottom: 10px;
-      }
-
-      #search_page {
-        width: 200px;
-        margin-left: 30px;
-      }
-
-      #close {
-        display: none;
-        vertical-align: top;
-      }
-
-      #close svg{
-        height: 1em;
-      }
-
-      #close svg line {
-        stroke-width: 18;
-        stroke: black;
-      }
-
-      #close:hover svg {
-        background: black;
-      }
-
-      #close:hover svg line {
-        stroke: white;
-      }
-    </style>
-      <span class="container" id="aggregateContainer">
-      </span>
-      <span class="container" id="pageByPageContainer">
-        <span id="selectors">
-          <span id="percentile_label">Percentile Range:</span>
-          <input class="text_input" id="start" placeholder="0"/>
-          <input class="text_input" id="end" placeholder="100"/>
-          <button id="filter" on-tap="filterByPercentile_">Filter</button>
-          <input class="text_input" id="search_page" placeholder="Page Name"/>
-          <button id="search" on-tap="searchByPage_">Search</button>
-          <span class="error" id="search_error">Sorry, could not find that page!</span>
-        </span>
-      </span>
-      <div display="block" id="submetricsContainer">
-        <span id="close">
-          <svg viewBox="0 0 128 128">
-            <line x1="28" x2="100" y1="28" y2="100"></line>
-            <line x1="28" x2="100" y1="100" y2="28"></line>
-          </svg>
-        </span>
-      </div>
-  </template>
-</dom-module><dom-module id="tr-v-ui-raster-visualization">
-  <template>
-    <style>
-      button {
-        padding: 5px;
-        font-size: 14px;
-      }
-      .error {
-        color: red;
-        display: none;
-      }
-
-      .text_input {
-        width: 200px;
-        padding: 4px;
-        font-size: 14px;
-      }
-
-      .selector_container{
-        padding: 5px;
-      }
-
-      #search {
-        display: inline-block;
-        padding-bottom: 10px;
-      }
-
-      #search_page {
-        width: 200px;
-      }
-
-      #pageSelector {
-        display: inline-block;
-        font-size: 12pt;
-      }
-
-      #close {
-        display: none;
-        vertical-align: top;
-      }
-
-      #close svg{
-        height: 1em;
-      }
-
-      #close svg line {
-        stroke-width: 18;
-        stroke: black;
-      }
-
-      #close:hover svg {
-        background: black;
-      }
-
-      #close:hover svg line {
-        stroke: white;
-      }
-    </style>
-    <span id="aggregateContainer">
-      <div>
-        <div class="selector_container">
-          <span id="select_page_label">Individual Page Results:</span>
-          <select id="pageSelector">
-            <option id="select_page" value="">Select a page</option>
-          </select>
-        </div>
-        <div class="selector_container">
-          <div id="search_page_label">Search for a page:</div>
-          <input class="text_input" id="search_page" placeholder="Page Name"/>
-          <button id="search_button">Search</button>
-          <div class="error" id="search_error">Sorry, could not find that page!</div>
-        </div>
-      </div>
-    </span>
-    <span id="pageContainer">
-      <span id="close">
-          <svg viewBox="0 0 128 128">
-            <line x1="28" x2="100" y1="28" y2="100"></line>
-            <line x1="28" x2="100" y1="100" y2="28"></line>
-          </svg>
-        </span>
-      </span>
-  </template>
-</dom-module><meta charset="utf-8"/><dom-module id="tr-v-ui-visualizations-data-container">
-  <template>
-    <style>
-      .error {
-        color: red;
-        display: none;
-      }
-
-      .sample{
-        display: none;
-      }
-
-      .subtitle{
-        font-size: 20px;
-        font-weight: bold;
-        padding-bottom: 5px;
-      }
-
-      .description{
-        font-size: 15px;
-        padding-bottom: 5px;
-      }
-
-      #title {
-        font-size: 30px;
-        font-weight: bold;
-        padding-bottom: 5px;
-      }
-    </style>
-    <div id="title">Visualizations</div>
-    <div class="error" id="data_error">Invalid data provided.</div>
-    <div id="pipeline_per_frame_container">
-      <div class="subtitle">Graphics Pipeline and Raster Tasks</div>
-      <div class="description">
-        When raster tasks are completed in comparison to the rest of the graphics pipeline.<br/>
-        Only pages where raster tasks are completed after beginFrame is issued are included.
-      </div>
-      <tr-v-ui-raster-visualization id="rasterVisualization">
-      </tr-v-ui-raster-visualization>
-    </div>
-    <div id="metrics_container">
-      <div class="subtitle">Metrics</div>
-      <div class="description">Total amount of time taken for the indicated metrics.</div>
-      <tr-v-ui-metrics-visualization class="sample" id="metricsVisualization">
-      </tr-v-ui-metrics-visualization>
-    </div>
-  </template>
 </dom-module><dom-module id="tr-v-ui-histogram-set-view">
   <template>
     <style>
@@ -3632,9 +3409,6 @@
       display: none;
     }
 
-    #visualizations{
-      display: none;
-    }
     </style>
 
     <div id="zero">zero Histograms</div>
@@ -3643,9 +3417,6 @@
       <tr-v-ui-histogram-set-controls id="controls">
       </tr-v-ui-histogram-set-controls>
 
-      <tr-v-ui-visualizations-data-container id="visualizations">
-      </tr-v-ui-visualizations-data-container>
-
       <tr-v-ui-histogram-set-table id="table"></tr-v-ui-histogram-set-table>
     </div>
   </template>
@@ -3702,7 +3473,22 @@
  * Do not edit directly.
  */
 
-'use strict';if(!window.CustomElements||window.CustomElements.hasNative){if(window.Polymer){throw new Error('Cannot proceed. Polymer already present.');}
+'use strict';const global=this.window||this.global;this.tr=(function(){if(global.tr)return global.tr;function exportPath(name){const parts=name.split('.');let cur=global;for(let part;parts.length&&(part=parts.shift());){if(part in cur){cur=cur[part];}else{cur=cur[part]={};}}
+return cur;}
+function isExported(name){const parts=name.split('.');let cur=global;for(let part;parts.length&&(part=parts.shift());){if(part in cur){cur=cur[part];}else{return false;}}
+return true;}
+function isDefined(name){const parts=name.split('.');let curObject=global;for(let i=0;i<parts.length;i++){const partName=parts[i];const nextObject=curObject[partName];if(nextObject===undefined)return false;curObject=nextObject;}
+return true;}
+let panicElement=undefined;const rawPanicMessages=[];function showPanicElementIfNeeded(){if(panicElement)return;const panicOverlay=document.createElement('div');panicOverlay.style.backgroundColor='white';panicOverlay.style.border='3px solid red';panicOverlay.style.boxSizing='border-box';panicOverlay.style.color='black';panicOverlay.style.display='flex';panicOverlay.style.height='100%';panicOverlay.style.left=0;panicOverlay.style.padding='8px';panicOverlay.style.position='fixed';panicOverlay.style.top=0;panicOverlay.style.webkitFlexDirection='column';panicOverlay.style.width='100%';panicElement=document.createElement('div');panicElement.style.webkitFlex='1 1 auto';panicElement.style.overflow='auto';panicOverlay.appendChild(panicElement);if(!document.body){setTimeout(function(){document.body.appendChild(panicOverlay);},150);}else{document.body.appendChild(panicOverlay);}}
+function showPanic(panicTitle,panicDetails){if(tr.isHeadless){if(panicDetails instanceof Error)throw panicDetails;throw new Error('Panic: '+panicTitle+':\n'+panicDetails);}
+if(panicDetails instanceof Error){panicDetails=panicDetails.stack;}
+showPanicElementIfNeeded();const panicMessageEl=document.createElement('div');panicMessageEl.innerHTML='<h2 id="message"></h2>'+'<pre id="details"></pre>';panicMessageEl.querySelector('#message').textContent=panicTitle;panicMessageEl.querySelector('#details').textContent=panicDetails;panicElement.appendChild(panicMessageEl);rawPanicMessages.push({title:panicTitle,details:panicDetails});}
+function hasPanic(){return rawPanicMessages.length!==0;}
+function getPanicText(){return rawPanicMessages.map(function(msg){return msg.title;}).join(', ');}
+function exportTo(namespace,fn){const obj=exportPath(namespace);const exports=fn();for(const propertyName in exports){const propertyDescriptor=Object.getOwnPropertyDescriptor(exports,propertyName);if(propertyDescriptor){Object.defineProperty(obj,propertyName,propertyDescriptor);}}}
+function initialize(){if(global.isVinn){tr.isVinn=true;}else if(global.process&&global.process.versions.node){tr.isNode=true;}else{tr.isVinn=false;tr.isNode=false;tr.doc=document;tr.isMac=/Mac/.test(navigator.platform);tr.isWindows=/Win/.test(navigator.platform);tr.isChromeOS=/CrOS/.test(navigator.userAgent);tr.isLinux=/Linux/.test(navigator.userAgent);}
+tr.isHeadless=tr.isVinn||tr.isNode;}
+return{initialize,exportTo,isExported,isDefined,showPanic,hasPanic,getPanicText,};})();tr.initialize();'use strict';if(!window.CustomElements||window.CustomElements.hasNative){if(window.Polymer){throw new Error('Cannot proceed. Polymer already present.');}
 window.Polymer={};window.Polymer.dom='shadow';}
 (function(){function resolve(){document.body.removeAttribute('unresolved');}
 if(window.WebComponents){addEventListener('WebComponentsReady',resolve);}else{if(document.readyState==='interactive'||document.readyState==='complete'){resolve();}else{addEventListener('DOMContentLoaded',resolve);}}}());window.Polymer={Settings:function(){var settings=window.Polymer||{};if(!settings.noUrlSettings){var parts=location.search.slice(1).split('&');for(var i=0,o;i<parts.length&&(o=parts[i]);i++){o=o.split('=');o[0]&&(settings[o[0]]=o[1]||true);}}
@@ -4296,22 +4082,7 @@
 this._instance=null;}},_showHideChildren:function(){var hidden=this.__hideTemplateChildren__||!this.if;if(this._instance){this._instance._showHideChildren(hidden);}},_forwardParentProp:function(prop,value){if(this._instance){this._instance.__setProperty(prop,value,true);}},_forwardParentPath:function(path,value){if(this._instance){this._instance._notifyPath(path,value,true);}}});Polymer({is:'dom-bind',properties:{notifyDomChange:{type:Boolean}},extends:'template',_template:null,created:function(){var self=this;Polymer.RenderStatus.whenReady(function(){if(document.readyState=='loading'){document.addEventListener('DOMContentLoaded',function(){self._markImportsReady();});}else{self._markImportsReady();}});},_ensureReady:function(){if(!this._readied){this._readySelf();}},_markImportsReady:function(){this._importsReady=true;this._ensureReady();},_registerFeatures:function(){this._prepConstructor();},_insertChildren:function(){var refNode;var parentNode=Polymer.dom(this).parentNode;if(parentNode.localName==this.is){refNode=parentNode;parentNode=Polymer.dom(parentNode).parentNode;}else{refNode=this;}
 Polymer.dom(parentNode).insertBefore(this.root,refNode);},_removeChildren:function(){if(this._children){for(var i=0;i<this._children.length;i++){this.root.appendChild(this._children[i]);}}},_initFeatures:function(){},_scopeElementClass:function(element,selector){if(this.dataHost){return this.dataHost._scopeElementClass(element,selector);}else{return selector;}},_configureInstanceProperties:function(){},_prepConfigure:function(){var config={};for(var prop in this._propertyEffects){config[prop]=this[prop];}
 var setupConfigure=this._setupConfigure;this._setupConfigure=function(){setupConfigure.call(this,config);};},attached:function(){if(this._importsReady){this.render();}},detached:function(){this._removeChildren();},render:function(){this._ensureReady();if(!this._children){this._template=this;this._prepAnnotations();this._prepEffects();this._prepBehaviors();this._prepConfigure();this._prepBindings();this._prepPropertyInfo();Polymer.Base._initFeatures.call(this);this._children=Polymer.TreeApi.arrayCopyChildNodes(this.root);}
-this._insertChildren();if(!Polymer.Settings.suppressTemplateNotifications||this.notifyDomChange){this.fire('dom-change');}}});'use strict';if(!window.CustomElements||window.CustomElements.hasNative){if(!Polymer.Settings.useNativeShadow){tr.showPanic('Polymer error','base should use native shadow when possible.');}}'use strict';const global=this.window||this.global;this.tr=(function(){if(global.tr)return global.tr;function exportPath(name){const parts=name.split('.');let cur=global;for(let part;parts.length&&(part=parts.shift());){if(part in cur){cur=cur[part];}else{cur=cur[part]={};}}
-return cur;}
-function isExported(name){const parts=name.split('.');let cur=global;for(let part;parts.length&&(part=parts.shift());){if(part in cur){cur=cur[part];}else{return false;}}
-return true;}
-function isDefined(name){const parts=name.split('.');let curObject=global;for(let i=0;i<parts.length;i++){const partName=parts[i];const nextObject=curObject[partName];if(nextObject===undefined)return false;curObject=nextObject;}
-return true;}
-let panicElement=undefined;const rawPanicMessages=[];function showPanicElementIfNeeded(){if(panicElement)return;const panicOverlay=document.createElement('div');panicOverlay.style.backgroundColor='white';panicOverlay.style.border='3px solid red';panicOverlay.style.boxSizing='border-box';panicOverlay.style.color='black';panicOverlay.style.display='flex';panicOverlay.style.height='100%';panicOverlay.style.left=0;panicOverlay.style.padding='8px';panicOverlay.style.position='fixed';panicOverlay.style.top=0;panicOverlay.style.webkitFlexDirection='column';panicOverlay.style.width='100%';panicElement=document.createElement('div');panicElement.style.webkitFlex='1 1 auto';panicElement.style.overflow='auto';panicOverlay.appendChild(panicElement);if(!document.body){setTimeout(function(){document.body.appendChild(panicOverlay);},150);}else{document.body.appendChild(panicOverlay);}}
-function showPanic(panicTitle,panicDetails){if(tr.isHeadless){if(panicDetails instanceof Error)throw panicDetails;throw new Error('Panic: '+panicTitle+':\n'+panicDetails);}
-if(panicDetails instanceof Error){panicDetails=panicDetails.stack;}
-showPanicElementIfNeeded();const panicMessageEl=document.createElement('div');panicMessageEl.innerHTML='<h2 id="message"></h2>'+'<pre id="details"></pre>';panicMessageEl.querySelector('#message').textContent=panicTitle;panicMessageEl.querySelector('#details').textContent=panicDetails;panicElement.appendChild(panicMessageEl);rawPanicMessages.push({title:panicTitle,details:panicDetails});}
-function hasPanic(){return rawPanicMessages.length!==0;}
-function getPanicText(){return rawPanicMessages.map(function(msg){return msg.title;}).join(', ');}
-function exportTo(namespace,fn){const obj=exportPath(namespace);const exports=fn();for(const propertyName in exports){const propertyDescriptor=Object.getOwnPropertyDescriptor(exports,propertyName);if(propertyDescriptor){Object.defineProperty(obj,propertyName,propertyDescriptor);}}}
-function initialize(){if(global.isVinn){tr.isVinn=true;}else if(global.process&&global.process.versions.node){tr.isNode=true;}else{tr.isVinn=false;tr.isNode=false;tr.doc=document;tr.isMac=/Mac/.test(navigator.platform);tr.isWindows=/Win/.test(navigator.platform);tr.isChromeOS=/CrOS/.test(navigator.userAgent);tr.isLinux=/Linux/.test(navigator.userAgent);}
-tr.isHeadless=tr.isVinn||tr.isNode;}
-return{initialize,exportTo,isExported,isDefined,showPanic,hasPanic,getPanicText,};})();tr.initialize();'use strict';tr.exportTo('tr.b',function(){function EventTarget(){}
+this._insertChildren();if(!Polymer.Settings.suppressTemplateNotifications||this.notifyDomChange){this.fire('dom-change');}}});'use strict';if(!window.CustomElements||window.CustomElements.hasNative){if(!Polymer.Settings.useNativeShadow){tr.showPanic('Polymer error','base should use native shadow when possible.');}}'use strict';tr.exportTo('tr.b',function(){function EventTarget(){}
 EventTarget.decorate=function(target){for(const k in EventTarget.prototype){if(k==='decorate')continue;const v=EventTarget.prototype[k];if(typeof v!=='function')continue;target[k]=v;}};EventTarget.prototype={addEventListener(type,handler){if(!this.listeners_){this.listeners_=Object.create(null);}
 if(!(type in this.listeners_)){this.listeners_[type]=[handler];}else{const handlers=this.listeners_[type];if(handlers.indexOf(handler)<0){handlers.push(handler);}}},removeEventListener(type,handler){if(!this.listeners_)return;if(type in this.listeners_){const handlers=this.listeners_[type];const index=handlers.indexOf(handler);if(index>=0){if(handlers.length===1){delete this.listeners_[type];}else{handlers.splice(index,1);}}}},dispatchEvent(event){if(!this.listeners_)return true;event.__defineGetter__('target',()=>this);const realPreventDefault=event.preventDefault;event.preventDefault=function(){realPreventDefault.call(this);this.rawReturnValue=false;};const type=event.type;let prevented=0;if(type in this.listeners_){const handlers=this.listeners_[type].concat();for(let i=0,handler;handler=handlers[i];i++){if(handler.handleEvent){prevented|=handler.handleEvent.call(handler,event)===false;}else{prevented|=handler.call(this,event)===false;}}}
 return!prevented&&event.rawReturnValue;},async dispatchAsync(event){if(!this.listeners_)return true;const listeners=this.listeners_[event.type];if(listeners===undefined)return;await Promise.all(listeners.slice().map(listener=>{if(listener.handleEvent){return listener.handleEvent.call(listener,event);}
@@ -4573,7 +4344,7 @@
 const baseUnit=Unit.byName[params.baseUnitName];definedUnits.forEach(u=>u.baseUnit=baseUnit);};Unit.nameSuffixForImprovementDirection=function(improvementDirection){switch(improvementDirection){case ImprovementDirection.DONT_CARE:return'';case ImprovementDirection.BIGGER_IS_BETTER:return'_biggerIsBetter';case ImprovementDirection.SMALLER_IS_BETTER:return'_smallerIsBetter';default:throw new Error('Unknown improvement direction: '+improvementDirection);}};Unit.defineUnitVariant_=function(params,isDelta,improvementDirection){let nameSuffix=isDelta?'Delta':'';nameSuffix+=Unit.nameSuffixForImprovementDirection(improvementDirection);const unitName=params.baseUnitName+nameSuffix;const jsonName=params.baseJsonName+nameSuffix;if(Unit.byName[unitName]!==undefined){throw new Error('Unit \''+unitName+'\' already exists');}
 if(Unit.byJSONName[jsonName]!==undefined){throw new Error('JSON unit \''+jsonName+'\' alread exists');}
 let scaleBaseUnit=params.scaleBaseUnit;if(!scaleBaseUnit){let formatSpec=params.formatSpec;if(typeof formatSpec==='function')formatSpec=formatSpec();const baseSymbol=formatSpec.unitScale?formatSpec.unitScale[0].baseSymbol:(formatSpec.baseSymbol||'');scaleBaseUnit={value:1,symbol:baseSymbol,baseSymbol};}
-const unit=new Unit(unitName,jsonName,scaleBaseUnit,isDelta,improvementDirection,params.formatSpec);Unit.byName[unitName]=unit;Unit.byJSONName[jsonName]=unit;return unit;};tr.b.EventTarget.decorate(Unit);Unit.reset();Unit.define({baseUnitName:'timeInMsAutoFormat',baseJsonName:'msBestFitFormat',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec:{unitScale:tr.b.UnitScale.TIME.AUTO,minimumFractionDigits:0,maximumFractionDigits:3}});Unit.define({baseUnitName:'timeDurationInMs',baseJsonName:'ms',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec(){return Unit.currentTimeDisplayMode_.formatSpec;}});Unit.define({baseUnitName:'timeStampInMs',baseJsonName:'tsMs',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec(){return Unit.currentTimeDisplayMode_.formatSpec;}});Unit.define({baseUnitName:'normalizedPercentage',baseJsonName:'n%',formatSpec:{unitScale:[{value:0.01,symbol:'%'}],avoidSpacePrecedingUnit:true,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'sizeInBytes',baseJsonName:'sizeInBytes',formatSpec:{unitScale:tr.b.UnitScale.MEMORY.AUTO,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'bandwidthInBytesPerSecond',baseJsonName:'bytesPerSecond',formatSpec:{unitScale:tr.b.UnitScale.BANDWIDTH_BYTES.AUTO,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'energyInJoules',baseJsonName:'J',formatSpec:{unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('J','JOULE',tr.b.UnitPrefixScale.METRIC,'JOULE').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'powerInWatts',baseJsonName:'W',formatSpec:{unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('W','WATT',tr.b.UnitPrefixScale.METRIC,'WATT').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'electricCurrentInAmperes',baseJsonName:'A',formatSpec:{baseSymbol:'A',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('A','AMPERE',tr.b.UnitPrefixScale.METRIC,'AMPERE').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'electricPotentialInVolts',baseJsonName:'V',formatSpec:{baseSymbol:'V',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('V','VOLT',tr.b.UnitPrefixScale.METRIC,'VOLT').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'frequencyInHertz',baseJsonName:'Hz',formatSpec:{baseSymbol:'Hz',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('Hz','HERTZ',tr.b.UnitPrefixScale.METRIC,'HERTZ').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'unitlessNumber',baseJsonName:'unitless',formatSpec:{minimumFractionDigits:3,maximumFractionDigits:3}});Unit.define({baseUnitName:'count',baseJsonName:'count',formatSpec:{minimumFractionDigits:0,maximumFractionDigits:0}});Unit.define({baseUnitName:'sigma',baseJsonName:'sigma',formatSpec:{baseSymbol:String.fromCharCode(963),minimumFractionDigits:1,maximumFractionDigits:1}});return{ImprovementDirection,Unit,};});'use strict';tr.exportTo('tr.b',function(){class Scalar{constructor(unit,value){if(!(unit instanceof tr.b.Unit)){throw new Error('Expected Unit');}
+const unit=new Unit(unitName,jsonName,scaleBaseUnit,isDelta,improvementDirection,params.formatSpec);Unit.byName[unitName]=unit;Unit.byJSONName[jsonName]=unit;return unit;};tr.b.EventTarget.decorate(Unit);Unit.reset();Unit.define({baseUnitName:'timeInMsAutoFormat',baseJsonName:'msBestFitFormat',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec:{unitScale:tr.b.UnitScale.TIME.AUTO,minimumFractionDigits:0,maximumFractionDigits:3}});Unit.define({baseUnitName:'timeDurationInMs',baseJsonName:'ms',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec(){return Unit.currentTimeDisplayMode_.formatSpec;}});Unit.define({baseUnitName:'timeStampInMs',baseJsonName:'tsMs',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec(){return Unit.currentTimeDisplayMode_.formatSpec;}});Unit.define({baseUnitName:'normalizedPercentage',baseJsonName:'n%',formatSpec:{unitScale:[{value:0.01,symbol:'%'}],avoidSpacePrecedingUnit:true,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'sizeInBytes',baseJsonName:'sizeInBytes',formatSpec:{unitScale:tr.b.UnitScale.MEMORY.AUTO,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'bandwidthInBytesPerSecond',baseJsonName:'bytesPerSecond',formatSpec:{unitScale:tr.b.UnitScale.BANDWIDTH_BYTES.AUTO,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'energyInJoules',baseJsonName:'J',formatSpec:{unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('J','JOULE',tr.b.UnitPrefixScale.METRIC,'JOULE').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'powerInWatts',baseJsonName:'W',formatSpec:{unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('W','WATT',tr.b.UnitPrefixScale.METRIC,'WATT').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'electricCurrentInAmperes',baseJsonName:'A',formatSpec:{baseSymbol:'A',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('A','AMPERE',tr.b.UnitPrefixScale.METRIC,'AMPERE').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'batteryChargeInAmpereHours',baseJsonName:'Ah',formatSpec:{baseSymbol:'Ah',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('Ah','AMPEREHOUR',tr.b.UnitPrefixScale.METRIC,'AMPEREHOUR').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'electricPotentialInVolts',baseJsonName:'V',formatSpec:{baseSymbol:'V',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('V','VOLT',tr.b.UnitPrefixScale.METRIC,'VOLT').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'frequencyInHertz',baseJsonName:'Hz',formatSpec:{baseSymbol:'Hz',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('Hz','HERTZ',tr.b.UnitPrefixScale.METRIC,'HERTZ').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'unitlessNumber',baseJsonName:'unitless',formatSpec:{minimumFractionDigits:3,maximumFractionDigits:3}});Unit.define({baseUnitName:'count',baseJsonName:'count',formatSpec:{minimumFractionDigits:0,maximumFractionDigits:0}});Unit.define({baseUnitName:'sigma',baseJsonName:'sigma',formatSpec:{baseSymbol:String.fromCharCode(963),minimumFractionDigits:1,maximumFractionDigits:1}});return{ImprovementDirection,Unit,};});'use strict';tr.exportTo('tr.b',function(){class Scalar{constructor(unit,value){if(!(unit instanceof tr.b.Unit)){throw new Error('Expected Unit');}
 if(!(typeof(value)==='number')){throw new Error('Expected value to be number');}
 this.unit=unit;this.value=value;}
 asDict(){return{unit:this.unit.asJSON(),value:tr.b.numberToJson(this.value),};}
@@ -4808,8 +4579,8 @@
 return process.findAllThreadsNamed('CrGpuMain').length>0;};ChromeGpuHelper.prototype={__proto__:tr.model.helpers.ChromeProcessHelper.prototype};return{ChromeGpuHelper,};});'use strict';tr.exportTo('tr.model.helpers',function(){const NET_CATEGORIES=new Set(['net','netlog','disabled-by-default-netlog','disabled-by-default-network']);class ChromeThreadHelper{constructor(thread){this.thread=thread;}
 getNetworkEvents(){const networkEvents=[];for(const slice of this.thread.asyncSliceGroup.slices){const categories=tr.b.getCategoryParts(slice.category);const isNetEvent=category=>NET_CATEGORIES.has(category);if(categories.filter(isNetEvent).length===0)continue;networkEvents.push(slice);}
 return networkEvents;}}
-return{ChromeThreadHelper,};});'use strict';tr.exportTo('tr.model.helpers',function(){const ChromeThreadHelper=tr.model.helpers.ChromeThreadHelper;function ChromeRendererHelper(modelHelper,process){tr.model.helpers.ChromeProcessHelper.call(this,modelHelper,process);this.mainThread_=process.findAtMostOneThreadNamed('CrRendererMain')||process.findAtMostOneThreadNamed('Chrome_InProcRendererThread');this.compositorThread_=process.findAtMostOneThreadNamed('Compositor');this.rasterWorkerThreads_=process.findAllThreadsMatching(function(t){if(t.name===undefined)return false;if(t.name.startsWith('CompositorTileWorker'))return true;if(t.name.startsWith('CompositorRasterWorker'))return true;return false;});this.dedicatedWorkerThreads_=process.findAllThreadsMatching(function(t){return t.name&&t.name.startsWith('DedicatedWorker');});this.foregroundWorkerThreads_=process.findAllThreadsMatching(function(t){return t.name&&t.name.startsWith('ThreadPoolForegroundWorker');});if(!process.name){process.name=ChromeRendererHelper.PROCESS_NAME;}}
-ChromeRendererHelper.PROCESS_NAME='Renderer';ChromeRendererHelper.isRenderProcess=function(process){if(process.findAtMostOneThreadNamed('CrRendererMain'))return true;if(process.findAtMostOneThreadNamed('Compositor'))return true;return false;};ChromeRendererHelper.isTracingProcess=function(process){return process.labels!==undefined&&process.labels.length===1&&process.labels[0]==='chrome://tracing';};ChromeRendererHelper.prototype={__proto__:tr.model.helpers.ChromeProcessHelper.prototype,get mainThread(){return this.mainThread_;},get compositorThread(){return this.compositorThread_;},get rasterWorkerThreads(){return this.rasterWorkerThreads_;},get dedicatedWorkerThreads(){return this.dedicatedWorkerThreads_;},get foregroundWorkerThreads(){return this.foregroundWorkerThreads_;},get isChromeTracingUI(){return ChromeRendererHelper.isTracingProcess(this.process);},};return{ChromeRendererHelper,};});'use strict';tr.exportTo('tr.model.um',function(){class Segment extends tr.model.TimedEvent{constructor(start,duration){super(start);this.duration=duration;this.expectations_=[];}
+return{ChromeThreadHelper,};});'use strict';tr.exportTo('tr.model.helpers',function(){const ChromeThreadHelper=tr.model.helpers.ChromeThreadHelper;function ChromeRendererHelper(modelHelper,process){tr.model.helpers.ChromeProcessHelper.call(this,modelHelper,process);this.mainThread_=process.findAtMostOneThreadNamed('CrRendererMain')||process.findAtMostOneThreadNamed('Chrome_InProcRendererThread');this.compositorThread_=process.findAtMostOneThreadNamed('Compositor');this.rasterWorkerThreads_=process.findAllThreadsMatching(function(t){if(t.name===undefined)return false;if(t.name.startsWith('CompositorTileWorker'))return true;if(t.name.startsWith('CompositorRasterWorker'))return true;return false;});this.dedicatedWorkerThreads_=process.findAllThreadsMatching(function(t){return t.name&&t.name.startsWith('DedicatedWorker');});this.serviceWorkerThreads_=process.findAllThreadsMatching(function(t){return t.name&&t.name.startsWith('ServiceWorker');});this.foregroundWorkerThreads_=process.findAllThreadsMatching(function(t){return t.name&&t.name.startsWith('ThreadPoolForegroundWorker');});if(!process.name){process.name=ChromeRendererHelper.PROCESS_NAME;}}
+ChromeRendererHelper.PROCESS_NAME='Renderer';ChromeRendererHelper.isRenderProcess=function(process){if(process.findAtMostOneThreadNamed('CrRendererMain'))return true;if(process.findAtMostOneThreadNamed('Compositor'))return true;return false;};ChromeRendererHelper.isTracingProcess=function(process){return process.labels!==undefined&&process.labels.length===1&&process.labels[0]==='chrome://tracing';};ChromeRendererHelper.prototype={__proto__:tr.model.helpers.ChromeProcessHelper.prototype,get mainThread(){return this.mainThread_;},get compositorThread(){return this.compositorThread_;},get rasterWorkerThreads(){return this.rasterWorkerThreads_;},get dedicatedWorkerThreads(){return this.dedicatedWorkerThreads_;},get serviceWorkerThreads(){return this.serviceWorkerThreads_;},get foregroundWorkerThreads(){return this.foregroundWorkerThreads_;},get isChromeTracingUI(){return ChromeRendererHelper.isTracingProcess(this.process);},};return{ChromeRendererHelper,};});'use strict';tr.exportTo('tr.model.um',function(){class Segment extends tr.model.TimedEvent{constructor(start,duration){super(start);this.duration=duration;this.expectations_=[];}
 get expectations(){return this.expectations_;}
 clone(){const clone=new Segment(this.start,this.duration);clone.expectations.push(...this.expectations);return clone;}
 addSegment(other){this.duration+=other.duration;this.expectations.push(...other.expectations);}}
@@ -4869,7 +4640,7 @@
 for(const category of Object.values(USER_FRIENDLY_CATEGORY_FOR_EVENT_CATEGORY)){ChromeUserFriendlyCategoryDriver.ALL_TITLES.push(category);}
 ChromeUserFriendlyCategoryDriver.ALL_TITLES.sort();for(const category of ChromeUserFriendlyCategoryDriver.ALL_TITLES){ChromeUserFriendlyCategoryDriver.getColor(category);}
 return{ChromeUserFriendlyCategoryDriver,};});'use strict';tr.exportTo('tr.model',function(){return{BROWSER_PROCESS_PID_REF:-1,OBJECT_DEFAULT_SCOPE:'ptr',LOCAL_ID_PHASES:new Set(['N','D','O','(',')'])};});'use strict';tr.exportTo('tr.e.audits',function(){const Auditor=tr.c.Auditor;const Alert=tr.model.Alert;const EventInfo=tr.model.EventInfo;function ChromeAuditor(model){Auditor.call(this,model);const modelHelper=this.model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(modelHelper&&modelHelper.browserHelper){this.modelHelper=modelHelper;}else{this.modelHelper=undefined;}}
-function getMissedFrameAlerts(rendererHelpers){const alerts=[];for(const rendererHelper of rendererHelpers){if(!rendererHelper.compositorThread)continue;const thread=rendererHelper.compositorThread;const asyncSlices=Object.values(thread.asyncSliceGroup.slices);for(const slice of asyncSlices){if(slice.title!=='PipelineReporter'||!slice.args.termination_status||slice.args.termination_status!=='missed_frame')continue;const alertSlices=[slice].concat(slice.subSlices);alerts.push(new Alert(new EventInfo('Missed Frame','Frame was not submitted before deadline.'),slice.start,alertSlices));}}
+function getMissedFrameAlerts(rendererHelpers){const alerts=[];for(const rendererHelper of rendererHelpers){if(!rendererHelper.compositorThread)continue;const thread=rendererHelper.compositorThread;const asyncSlices=Object.values(thread.asyncSliceGroup.slices);for(const slice of asyncSlices){if(slice.title==='PipelineReporter'&&slice.args.chrome_frame_reporter&&slice.args.chrome_frame_reporter.state==='STATE_DROPPED'){const alertSlices=[slice].concat(slice.subSlices);alerts.push(new Alert(new EventInfo('Dropped Frame','Frame was dropped (i.e. not produced/presented).'),slice.start,alertSlices));}}}
 return alerts;}
 ChromeAuditor.prototype={__proto__:Auditor.prototype,runAnnotate(){if(!this.modelHelper)return;for(const pid in this.modelHelper.rendererHelpers){const rendererHelper=this.modelHelper.rendererHelpers[pid];if(rendererHelper.isChromeTracingUI){rendererHelper.process.important=false;}}},installUserFriendlyCategoryDriverIfNeeded(){this.model.addUserFriendlyCategoryDriver(tr.e.chrome.ChromeUserFriendlyCategoryDriver);},runAudit(){if(!this.modelHelper)return;this.model.replacePIDRefsInPatchups(tr.model.BROWSER_PROCESS_PID_REF,this.modelHelper.browserProcess.pid);this.model.applyObjectRefPatchups();const alerts=getMissedFrameAlerts(Object.values(this.modelHelper.rendererHelpers));this.model.alerts=this.model.alerts.concat(alerts);}};Auditor.register(ChromeAuditor);return{ChromeAuditor,};});'use strict';tr.exportTo('tr.e.chrome',function(){const KNOWN_PROPERTIES={absX:1,absY:1,address:1,anonymous:1,childNeeds:1,children:1,classNames:1,col:1,colSpan:1,float:1,height:1,htmlId:1,name:1,posChildNeeds:1,positioned:1,positionedMovement:1,relX:1,relY:1,relativePositioned:1,row:1,rowSpan:1,selfNeeds:1,stickyPositioned:1,tag:1,width:1};function LayoutObject(snapshot,args){this.snapshot_=snapshot;this.id_=args.address;this.name_=args.name;this.childLayoutObjects_=[];this.otherProperties_={};this.tag_=args.tag;this.relativeRect_=tr.b.math.Rect.fromXYWH(args.relX,args.relY,args.width,args.height);this.absoluteRect_=tr.b.math.Rect.fromXYWH(args.absX,args.absY,args.width,args.height);this.isFloat_=args.float;this.isStickyPositioned_=args.stickyPositioned;this.isPositioned_=args.positioned;this.isRelativePositioned_=args.relativePositioned;this.isAnonymous_=args.anonymous;this.htmlId_=args.htmlId;this.classNames_=args.classNames;this.needsLayoutReasons_=[];if(args.selfNeeds){this.needsLayoutReasons_.push('self');}
 if(args.childNeeds){this.needsLayoutReasons_.push('child');}
@@ -5033,7 +4804,8 @@
 if(markers[0].domainId===domainId){throw new Error('A clock domain cannot sync with itself.');}
 markers.push(marker);this.onSyncCompleted_(markers[0],marker);},get completeSyncIds(){const completeSyncIds=[];for(const[syncId,markers]of this.markersBySyncId){if(markers.length===2)completeSyncIds.push(syncId);}
 return completeSyncIds;},get markersBySyncId(){return this.markersBySyncId_;},get domainsSeen(){return this.domainsSeen_;},getModelTimeTransformer(domainId){this.onDomainSeen_(domainId);if(!this.modelDomainId_){this.selectModelDomainId_();}
-return this.getTimeTransformerRaw_(domainId,this.modelDomainId_).fn;},getTimeTransformerError(fromDomainId,toDomainId){this.onDomainSeen_(fromDomainId);this.onDomainSeen_(toDomainId);return this.getTimeTransformerRaw_(fromDomainId,toDomainId).error;},getTimeTransformerRaw_(fromDomainId,toDomainId){const transformer=this.getTransformerBetween_(fromDomainId,toDomainId);if(!transformer){throw new Error('No clock sync markers exist pairing clock domain "'+
+return this.getTimeTransformerRaw_(domainId,this.modelDomainId_).fn;},getModelTimeTransformerInverse(domainId){this.onDomainSeen_(domainId);if(!this.modelDomainId_){this.selectModelDomainId_();}
+return this.getTimeTransformerRaw_(this.modelDomainId_,domainId).fn;},getTimeTransformerError(fromDomainId,toDomainId){this.onDomainSeen_(fromDomainId);this.onDomainSeen_(toDomainId);return this.getTimeTransformerRaw_(fromDomainId,toDomainId).error;},getTimeTransformerRaw_(fromDomainId,toDomainId){const transformer=this.getTransformerBetween_(fromDomainId,toDomainId);if(!transformer){throw new Error('No clock sync markers exist pairing clock domain "'+
 fromDomainId+'" '+'with target clock domain "'+
 toDomainId+'".');}
 return transformer;},getTransformerBetween_(fromDomainId,toDomainId){const visitedDomainIds=new Set();const queue=[{domainId:fromDomainId,transformer:Transformer.IDENTITY}];while(queue.length>0){queue.sort((domain1,domain2)=>domain1.transformer.error-domain2.transformer.error);const current=queue.shift();if(current.domainId===toDomainId){return current.transformer;}
@@ -5388,7 +5160,8 @@
 for(const event of this.childEvents()){event.start+=shiftAmount;}
 this.updateBounds();},convertTimestampToModelTime(sourceClockDomainName,ts){if(sourceClockDomainName!=='traceEventClock'){throw new Error('Only traceEventClock is supported.');}
 return tr.b.Unit.timestampFromUs(ts)+
-this.timestampShiftToZeroAmount_;},get numProcesses(){let n=0;for(const p in this.processes){n++;}
+this.timestampShiftToZeroAmount_;},convertTimestampFromModelTime(targetClockDomainName,ts){if(targetClockDomainName!=='traceEventClock'){throw new Error('Only traceEventClock is supported.');}
+const convertFn=this.clockSyncManager.getModelTimeTransformerInverse(tr.model.ClockDomainId.LINUX_FTRACE_GLOBAL);return convertFn(ts)-this.timestampShiftToZeroAmount_;},get numProcesses(){let n=0;for(const p in this.processes){n++;}
 return n;},getProcess(pid){return this.processes[pid];},getOrCreateProcess(pid){if(!this.processes[pid]){this.processes[pid]=new Process(this,pid);}
 return this.processes[pid];},addStackFrame(stackFrame){if(this.stackFrames[stackFrame.id]){throw new Error('Stack frame already exists');}
 this.stackFrames[stackFrame.id]=stackFrame;return stackFrame;},updateCategories_(){const categoriesDict={};this.userModel.addCategoriesToDict(categoriesDict);this.device.addCategoriesToDict(categoriesDict);this.kernel.addCategoriesToDict(categoriesDict);for(const pid in this.processes){this.processes[pid].addCategoriesToDict(categoriesDict);}
@@ -5878,7 +5651,7 @@
 XMarkerAnnotationView.prototype={__proto__:tr.ui.annotations.AnnotationView.prototype,draw(ctx){const dt=this.viewport_.currentDisplayTransform;const viewX=dt.xWorldToView(this.annotation_.timestamp);ctx.beginPath();tr.ui.b.drawLine(ctx,viewX,0,viewX,ctx.canvas.height);ctx.strokeStyle=this.annotation_.strokeStyle;ctx.stroke();}};return{XMarkerAnnotationView,};});'use strict';tr.exportTo('tr.model',function(){function XMarkerAnnotation(timestamp){tr.model.Annotation.apply(this,arguments);this.timestamp=timestamp;this.strokeStyle='rgba(0, 0, 255, 0.5)';}
 XMarkerAnnotation.fromDict=function(dict){return new XMarkerAnnotation(dict.args.timestamp);};XMarkerAnnotation.prototype={__proto__:tr.model.Annotation.prototype,toDict(){return{typeName:'xmarker',args:{timestamp:this.timestamp}};},createView_(viewport){return new tr.ui.annotations.XMarkerAnnotationView(viewport,this);}};tr.model.Annotation.register(XMarkerAnnotation,{typeName:'xmarker'});return{XMarkerAnnotation,};});'use strict';tr.exportTo('tr.e.importer',function(){const Base64=tr.b.Base64;const deepCopy=tr.b.deepCopy;const ColorScheme=tr.b.ColorScheme;const HeapDumpTraceEventImporter=tr.e.importer.HeapDumpTraceEventImporter;const LegacyHeapDumpTraceEventImporter=tr.e.importer.LegacyHeapDumpTraceEventImporter;const StreamingEventExpander=tr.e.importer.StreamingEventExpander;const ProfilingDictionaryReader=tr.e.importer.ProfilingDictionaryReader;const MEASURE_NAME_REGEX=tr.e.measure.MEASURE_NAME_REGEX;function getEventColor(event,opt_customName){if(event.cname){return ColorScheme.getColorIdForReservedName(event.cname);}else if(opt_customName||event.name){return ColorScheme.getColorIdForGeneralPurposeString(opt_customName||event.name);}}
 function isLegacyChromeClockSyncEvent(event){return event.name!==undefined&&event.name.startsWith(LEGACY_CHROME_CLOCK_SYNC_EVENT_NAME_PREFIX)&&((event.ph==='S')||(event.ph==='F'));}
-const PRODUCER='producer';const CONSUMER='consumer';const STEP='step';const BACKGROUND=tr.model.ContainerMemoryDump.LevelOfDetail.BACKGROUND;const LIGHT=tr.model.ContainerMemoryDump.LevelOfDetail.LIGHT;const DETAILED=tr.model.ContainerMemoryDump.LevelOfDetail.DETAILED;const MEMORY_DUMP_LEVEL_OF_DETAIL_ORDER=[undefined,BACKGROUND,LIGHT,DETAILED];const GLOBAL_MEMORY_ALLOCATOR_DUMP_PREFIX='global/';const LEGACY_CHROME_CLOCK_SYNC_EVENT_NAME_PREFIX='ClockSyncEvent.';const BYTE_STAT_NAME_MAP={'pc':'privateCleanResident','pd':'privateDirtyResident','sc':'sharedCleanResident','sd':'sharedDirtyResident','pss':'proportionalResident','sw':'swapped'};const WEAK_MEMORY_ALLOCATOR_DUMP_FLAG=1<<0;const OBJECT_TYPE_NAME_PATTERNS=[{prefix:'const char *WTF::getStringWithTypeName() [T = ',suffix:']'},{prefix:'const char* WTF::getStringWithTypeName() [with T = ',suffix:']'},{prefix:'const char *__cdecl WTF::getStringWithTypeName<',suffix:'>(void)'}];const SUBTRACE_FIELDS=new Set(['powerTraceAsString','systemTraceEvents','androidProcessDump',]);const NON_METADATA_FIELDS=new Set(['displayTimeUnit','samples','stackFrames','traceAnnotations','traceEvents',...SUBTRACE_FIELDS]);function TraceEventImporter(model,eventData){this.hasEvents_=undefined;this.importPriority=1;this.model_=model;this.events_=undefined;this.sampleEvents_=undefined;this.stackFrameEvents_=undefined;this.stackFrameTree_=new tr.model.ProfileTree();this.subtraces_=[];this.eventsWereFromString_=false;this.softwareMeasuredCpuCount_=undefined;this.allAsyncEvents_=[];this.allFlowEvents_=[];this.allObjectEvents_=[];this.contextProcessorPerThread={};this.traceEventSampleStackFramesByName_={};this.v8ProcessCodeMaps_={};this.v8ProcessRootStackFrame_={};this.v8SamplingData_=[];this.profileTrees_=new Map();this.profileInfo_=new Map();this.legacyChromeClockSyncStartEvent_=undefined;this.legacyChromeClockSyncFinishEvent_=undefined;this.allMemoryDumpEvents_={};this.heapProfileExpander=new ProfilingDictionaryReader();this.objectTypeNameMap_={};this.clockDomainId_=tr.model.ClockDomainId.UNKNOWN_CHROME_LEGACY;this.toModelTime_=undefined;if(typeof(eventData)==='string'||eventData instanceof String){eventData=eventData.trim();if(eventData[0]==='['){eventData=eventData.replace(/\s*,\s*$/,'');if(eventData[eventData.length-1]!==']'){eventData=eventData+']';}}
+const PRODUCER='producer';const CONSUMER='consumer';const STEP='step';const BACKGROUND=tr.model.ContainerMemoryDump.LevelOfDetail.BACKGROUND;const LIGHT=tr.model.ContainerMemoryDump.LevelOfDetail.LIGHT;const DETAILED=tr.model.ContainerMemoryDump.LevelOfDetail.DETAILED;const MEMORY_DUMP_LEVEL_OF_DETAIL_ORDER=[undefined,BACKGROUND,LIGHT,DETAILED];const GLOBAL_MEMORY_ALLOCATOR_DUMP_PREFIX='global/';const LEGACY_CHROME_CLOCK_SYNC_EVENT_NAME_PREFIX='ClockSyncEvent.';const BYTE_STAT_NAME_MAP={'pc':'privateCleanResident','pd':'privateDirtyResident','sc':'sharedCleanResident','sd':'sharedDirtyResident','pss':'proportionalResident','sw':'swapped'};const WEAK_MEMORY_ALLOCATOR_DUMP_FLAG=1<<0;const OBJECT_TYPE_NAME_PATTERNS=[{prefix:'const char *WTF::getStringWithTypeName() [T = ',suffix:']'},{prefix:'const char* WTF::getStringWithTypeName() [with T = ',suffix:']'},{prefix:'const char *__cdecl WTF::getStringWithTypeName<',suffix:'>(void)'}];const SUBTRACE_FIELDS=new Set(['powerTraceAsString','systemTraceEvents','androidProcessDump','cgroupDump',]);const NON_METADATA_FIELDS=new Set(['displayTimeUnit','samples','stackFrames','traceAnnotations','traceEvents',...SUBTRACE_FIELDS]);function TraceEventImporter(model,eventData){this.hasEvents_=undefined;this.importPriority=1;this.model_=model;this.events_=undefined;this.sampleEvents_=undefined;this.stackFrameEvents_=undefined;this.stackFrameTree_=new tr.model.ProfileTree();this.subtraces_=[];this.eventsWereFromString_=false;this.softwareMeasuredCpuCount_=undefined;this.allAsyncEvents_=[];this.allFlowEvents_=[];this.allObjectEvents_=[];this.contextProcessorPerThread={};this.traceEventSampleStackFramesByName_={};this.v8ProcessCodeMaps_={};this.v8ProcessRootStackFrame_={};this.v8SamplingData_=[];this.profileTrees_=new Map();this.profileInfo_=new Map();this.legacyChromeClockSyncStartEvent_=undefined;this.legacyChromeClockSyncFinishEvent_=undefined;this.allMemoryDumpEvents_={};this.heapProfileExpander=new ProfilingDictionaryReader();this.objectTypeNameMap_={};this.clockDomainId_=tr.model.ClockDomainId.UNKNOWN_CHROME_LEGACY;this.toModelTime_=undefined;if(typeof(eventData)==='string'||eventData instanceof String){eventData=eventData.trim();if(eventData[0]==='['){eventData=eventData.replace(/\s*,\s*$/,'');if(eventData[eventData.length-1]!==']'){eventData=eventData+']';}}
 this.events_=JSON.parse(eventData);this.eventsWereFromString_=true;}else{this.events_=eventData;}
 if(this.events_.traceEvents){const container=this.events_;this.events_=this.events_.traceEvents;for(const subtraceField of SUBTRACE_FIELDS){if(container[subtraceField]){this.storeSubtrace_(container[subtraceField]);}}
 this.storeSamples_(container.samples);this.storeStackFrames_(container.stackFrames);this.storeDisplayTimeUnit_(container.displayTimeUnit);this.storeTraceAnnotations_(container.traceAnnotations);this.storeMetadata_(container);}else if(this.events_ instanceof tr.b.TraceStream){const parser=oboe().node('{cat ph}',function(e){return oboe.drop;}).node('!.powerTraceAsString',this.storeSubtrace_.bind(this)).node('!.systemTraceEvents',this.storeSubtrace_.bind(this)).node('!.samples',this.storeSamples_.bind(this)).node('!.stackFrames',this.storeStackFrames_.bind(this)).node('!.displayTimeUnit',this.storeDisplayTimeUnit_.bind(this)).node('!.traceAnnotations',this.storeTraceAnnotations_.bind(this)).done(this.storeMetadata_.bind(this));this.events_.rewind();while(this.events_.hasData){parser.write(this.events_.readNumBytes());}
@@ -5917,10 +5690,10 @@
 const profileTree=new tr.model.ProfileTree();profileTreeMap.set(id,profileTree);const info=this.profileInfo_.get(id);if(info!==undefined){profileTree.startTime=info.startTime;profileTree.pid=info.pid;profileTree.tid=info.tid;}
 return profileTree;},processSample(event){if(event.args===undefined||event.args.data===undefined){return;}
 if(event.id===undefined){throw new Error('No event ID in sample');}
-const data=event.args.data;if(data.startTime!==undefined){this.profileInfo_.set(event.id,{startTime:data.startTime,pid:event.pid,tid:event.tid});}
+const data=event.args.data;if(data.startTime!==undefined){this.profileInfo_.set(`${event.pid} ${event.id}`,{startTime:data.startTime,pid:event.pid,tid:event.tid});}
 const timeDeltas=data.timeDeltas;for(const sampleType in data){if(sampleType==='timeDeltas'||sampleType==='startTime'){continue;}
 if(data[sampleType].samples&&timeDeltas&&data[sampleType].samples.length!==timeDeltas.length){throw new Error('samples and timeDeltas array should have same length');}
-const profileTree=this.getOrCreateProfileTree_(sampleType,event.id);const nodes=data[sampleType].nodes;const samples=data[sampleType].samples;if(nodes!==undefined){for(const node of nodes){const ProfileNodeType=tr.model.ProfileNode.subTypes.getConstructor(undefined,sampleType);const profileNode=ProfileNodeType.constructFromObject(profileTree,node);if(profileNode===undefined){continue;}
+const profileTree=this.getOrCreateProfileTree_(sampleType,`${event.pid} ${event.id}`);const nodes=data[sampleType].nodes;const samples=data[sampleType].samples;if(nodes!==undefined){for(const node of nodes){const ProfileNodeType=tr.model.ProfileNode.subTypes.getConstructor(undefined,sampleType);const profileNode=ProfileNodeType.constructFromObject(profileTree,node);if(profileNode===undefined){continue;}
 profileTree.add(profileNode);}}
 if(samples!==undefined){const thread=this.model_.getOrCreateProcess(profileTree.pid).getOrCreateThread(profileTree.tid);for(let i=0,len=samples.length;i<len;++i){const node=profileTree.getNode(samples[i]);profileTree.endTime+=timeDeltas[i];if(node===undefined)continue;const start=this.toModelTimeFromUs_(profileTree.endTime);this.model_.samples.push(new tr.model.Sample(start,node.sampleTitle,node,thread));}}}},processLegacyV8Sample(event){const data=event.args.data;const sampleType='legacySample';const ProfileNodeType=tr.model.ProfileNode.subTypes.getConstructor(undefined,sampleType);if(data.vm_state==='js'&&!data.stack.length)return;const profileTree=this.getOrCreateProfileTree_(sampleType,event.pid);if(profileTree.getNode(-1)===undefined){profileTree.add(new ProfileNodeType(-1,{url:'',scriptId:-1,functionName:'unknown'},undefined));}
 let node=undefined;if(data.stack.length>0&&this.v8ProcessCodeMaps_[event.pid]){const map=this.v8ProcessCodeMaps_[event.pid];data.stack.reverse();let parentNode=undefined;for(let i=0;i<data.stack.length;i++){const entry=map.lookupEntry(data.stack[i]);if(entry===undefined){node=profileTree.getNode(-1);}else{node=profileTree.getNode(entry.id);if(node===undefined){const sourceInfo=entry.sourceInfo;node=new ProfileNodeType(entry.id,{functionName:entry.name,url:entry.sourceInfo.file,lineNumber:sourceInfo.line!==-1?sourceInfo.line:undefined,columnNumber:sourceInfo.column!==-1?sourceInfo.column:undefined,scriptid:entry.sourceInfo.scriptId},parentNode);profileTree.add(node);}}
@@ -6298,9 +6071,12 @@
 this.importer.registerEventHandler(hwcEventName,handler.bind(this));},addL2Cycles(hwcEventName,hwcTitle){function handler(eventName,cpuNumber,pid,ts,eventBase){return this.l2Sample(hwcTitle,'cycles',ts,eventBase);}
 this.importer.registerEventHandler(hwcEventName,handler.bind(this));}};Parser.register(MaliParser);return{MaliParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const Parser=tr.e.importer.linux_perf.Parser;function MemReclaimParser(importer){Parser.call(this,importer);importer.registerEventHandler('mm_vmscan_kswapd_wake',MemReclaimParser.prototype.kswapdWake.bind(this));importer.registerEventHandler('mm_vmscan_kswapd_sleep',MemReclaimParser.prototype.kswapdSleep.bind(this));importer.registerEventHandler('mm_vmscan_direct_reclaim_begin',MemReclaimParser.prototype.reclaimBegin.bind(this));importer.registerEventHandler('mm_vmscan_direct_reclaim_end',MemReclaimParser.prototype.reclaimEnd.bind(this));importer.registerEventHandler('lowmemory_kill',MemReclaimParser.prototype.lowmemoryKill.bind(this));}
 const kswapdWakeRE=/nid=(\d+) order=(\d+)/;const kswapdSleepRE=/nid=(\d+)/;const reclaimBeginRE=/order=(\d+) may_writepage=\d+ gfp_flags=(.+)/;const reclaimEndRE=/nr_reclaimed=(\d+)/;const lowmemoryRE=/([^ ]+) \((\d+)\), page cache (\d+)kB \(limit (\d+)kB\), free (-?\d+)Kb/;MemReclaimParser.prototype={__proto__:Parser.prototype,kswapdWake(eventName,cpuNumber,pid,ts,eventBase){const event=kswapdWakeRE.exec(eventBase.details);if(!event)return false;const tgid=parseInt(eventBase.tgid);const nid=parseInt(event[1]);const order=parseInt(event[2]);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);if(kthread.openSliceTS){if(order>kthread.order){kthread.order=order;}}else{kthread.openSliceTS=ts;kthread.order=order;}
-return true;},kswapdSleep(eventName,cpuNumber,pid,ts,eventBase){const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);if(kthread.openSliceTS){kthread.thread.sliceGroup.pushCompleteSlice('memreclaim',eventBase.threadName,kthread.openSliceTS,ts-kthread.openSliceTS,0,0,{order:kthread.order});}
-kthread.openSliceTS=undefined;kthread.order=undefined;return true;},reclaimBegin(eventName,cpuNumber,pid,ts,eventBase){const event=reclaimBeginRE.exec(eventBase.details);if(!event)return false;const order=parseInt(event[1]);const gfp=event[2];const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);kthread.openSliceTS=ts;kthread.order=order;kthread.gfp=gfp;return true;},reclaimEnd(eventName,cpuNumber,pid,ts,eventBase){const event=reclaimEndRE.exec(eventBase.details);if(!event)return false;const nrReclaimed=parseInt(event[1]);const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);if(kthread.openSliceTS!==undefined){kthread.thread.sliceGroup.pushCompleteSlice('memreclaim','direct reclaim',kthread.openSliceTS,ts-kthread.openSliceTS,0,0,{order:kthread.order,gfp:kthread.gfp,nr_reclaimed:nrReclaimed});}
-kthread.openSliceTS=undefined;kthread.order=undefined;kthread.gfp=undefined;return true;},lowmemoryKill(eventName,cpuNumber,pid,ts,eventBase){const event=lowmemoryRE.exec(eventBase.details);if(!event)return false;const tgid=parseInt(eventBase.tgid);const killedName=event[1];const killedPid=parseInt(event[2]);const cache=parseInt(event[3]);const free=parseInt(event[5]);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);kthread.thread.sliceGroup.pushCompleteSlice('lowmemory','low memory kill',ts,0,0,0,{killed_name:killedName,killed_pid:killedPid,cache,free});return true;}};Parser.register(MemReclaimParser);return{MemReclaimParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function PowerParser(importer){Parser.call(this,importer);importer.registerEventHandler('power_start',PowerParser.prototype.powerStartEvent.bind(this));importer.registerEventHandler('power_frequency',PowerParser.prototype.powerFrequencyEvent.bind(this));importer.registerEventHandler('cpu_frequency',PowerParser.prototype.cpuFrequencyEvent.bind(this));importer.registerEventHandler('cpu_frequency_limits',PowerParser.prototype.cpuFrequencyLimitsEvent.bind(this));importer.registerEventHandler('cpu_idle',PowerParser.prototype.cpuIdleEvent.bind(this));}
+kthread.waitingFor='kswapSleep';return true;},kswapdSleep(eventName,cpuNumber,pid,ts,eventBase){const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);if(kthread.waitingFor!=='kswapSleep')return false;kthread.waitingFor=undefined;if(kthread.openSliceTS){kthread.thread.sliceGroup.pushCompleteSlice('memreclaim',eventBase.threadName,kthread.openSliceTS,ts-kthread.openSliceTS,0,0,{order:kthread.order});}
+kthread.openSliceTS=undefined;kthread.order=undefined;return true;},reclaimBegin(eventName,cpuNumber,pid,ts,eventBase){const event=reclaimBeginRE.exec(eventBase.details);if(!event)return false;const order=parseInt(event[1]);const gfp=event[2];const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);kthread.openMemReclaimSliceTS=ts;kthread.order=order;kthread.gfp=gfp;kthread.waitingFor='reclaimEnd';return true;},reclaimEnd(eventName,cpuNumber,pid,ts,eventBase){const event=reclaimEndRE.exec(eventBase.details);if(!event)return false;const nrReclaimed=parseInt(event[1]);const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);if(kthread.waitingFor!=='reclaimEnd')return false;kthread.waitingFor=undefined;if(kthread.openMemReclaimSliceTS!==undefined){kthread.thread.sliceGroup.pushCompleteSlice('memreclaim','direct reclaim',kthread.openMemReclaimSliceTS,ts-kthread.openMemReclaimSliceTS,0,0,{order:kthread.order,gfp:kthread.gfp,nr_reclaimed:nrReclaimed});kthread.openMemReclaimSliceTS=undefined;kthread.order=undefined;kthread.gfp=undefined;return true;}
+return false;},lowmemoryKill(eventName,cpuNumber,pid,ts,eventBase){const event=lowmemoryRE.exec(eventBase.details);if(!event)return false;const tgid=parseInt(eventBase.tgid);const killedName=event[1];const killedPid=parseInt(event[2]);const cache=parseInt(event[3]);const free=parseInt(event[5]);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);kthread.thread.sliceGroup.pushCompleteSlice('lowmemory','low memory kill',ts,0,0,0,{killed_name:killedName,killed_pid:killedPid,cache,free});return true;}};Parser.register(MemReclaimParser);return{MemReclaimParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function MSMParser(importer){Parser.call(this,importer);importer.registerEventHandler('msm_gpu_freq_change',MSMParser.prototype.gpuFrequency.bind(this));importer.registerEventHandler('msm_gpu_submit_flush',MSMParser.prototype.gpuSubmitFlush.bind(this));importer.registerEventHandler('msm_gpu_submit_retired',MSMParser.prototype.gpuSubmitRetired.bind(this));this.model_=importer.model_;this.submits={};this.num_submits=0;}
+MSMParser.prototype={__proto__:Parser.prototype,gpuFrequency(eventName,cpuNumber,pid,ts,eventBase){const event=/new_freq=(\d+)/.exec(eventBase.details);if(!event)return false;const freq=parseInt(event[1]);const counter=this.model_.kernel.getOrCreateCounter('GPU','GPU Frequency');if(counter.numSeries===0){counter.addSeries(new tr.model.CounterSeries('frequency',ColorScheme.getColorIdForGeneralPurposeString(counter.name)));}
+counter.series.forEach(function(series){series.addCounterSample(ts,freq);});return true;},gpuSubmitFlush(eventName,cpuNumber,pid,ts,eventBase){const event=/id=(\d+) pid=(\d+) ring=(\d+):(\d+) ticks=(\d+)/.exec(eventBase.details);if(!event)return false;const id=parseInt(event[1]);const submit={};submit.flushTS=ts;submit.flushTicks=parseInt(event[5]);submit.pid=parseInt(event[2]);this.submits[id]=submit;this.num_submits++;return true;},gpuSubmitRetired(eventName,cpuNumber,pid,ts,eventBase){const event=/id=(\d+) pid=(\d+) ring=(\d+):(\d+) elapsed=(\d+) ns mhz=(\d+) start=(\d+) end=(\d+)/.exec(eventBase.details);if(!event)return false;const id=parseInt(event[1]);if(!(id in this.submits))return true;const submit=this.submits[id];delete this.submits[id];this.num_submits--;const gpuThread=this.importer.getOrCreatePseudoThread('GPU');submit.elapsedNs=parseInt(event[5]);submit.mhz=parseInt(event[6]);submit.startTicks=parseInt(event[7]);submit.endTicks=parseInt(event[8]);function ticks2ms(ticks){return ticks/19200;}
+const queuedDuration=ticks2ms(submit.startTicks-submit.flushTicks);const runningDuration=ticks2ms(submit.endTicks-submit.startTicks);submit.queuedDuration=queuedDuration;submit.runningDuration=runningDuration;const queued=new tr.model.AsyncSlice('',event[1]+' queued',tr.b.ColorScheme.getColorIdForReservedName('thread_state_runnable'),submit.flushTS,submit,queuedDuration);const running=new tr.model.AsyncSlice('',event[1]+' running',tr.b.ColorScheme.getColorIdForReservedName('thread_state_running'),submit.flushTS+queuedDuration,submit,runningDuration);const async=new tr.model.AsyncSlice('','pipeline',ColorScheme.getColorIdForGeneralPurposeString('ongpu:'+submit.pid),submit.flushTS,submit,queuedDuration+runningDuration);async.hidden=true;async.subSlices.push(queued);async.subSlices.push(running);gpuThread.thread.asyncSliceGroup.push(async);const onGpu=new tr.model.ThreadSlice('',event[1],ColorScheme.getColorIdForGeneralPurposeString('ongpu:'+submit.pid),submit.flushTS+queuedDuration,submit,runningDuration);gpuThread.thread.sliceGroup.pushSlice(onGpu);return true;}};Parser.register(MSMParser);return{MSMParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function PowerParser(importer){Parser.call(this,importer);importer.registerEventHandler('power_start',PowerParser.prototype.powerStartEvent.bind(this));importer.registerEventHandler('power_frequency',PowerParser.prototype.powerFrequencyEvent.bind(this));importer.registerEventHandler('cpu_frequency',PowerParser.prototype.cpuFrequencyEvent.bind(this));importer.registerEventHandler('cpu_frequency_limits',PowerParser.prototype.cpuFrequencyLimitsEvent.bind(this));importer.registerEventHandler('cpu_idle',PowerParser.prototype.cpuIdleEvent.bind(this));}
 PowerParser.prototype={__proto__:Parser.prototype,cpuStateSlice(ts,targetCpuNumber,eventType,cpuState){const targetCpu=this.importer.getOrCreateCpu(targetCpuNumber);if(eventType!=='1'){this.importer.model.importWarning({type:'parse_error',message:'Don\'t understand power_start events of '+'type '+eventType});return;}
 const powerCounter=targetCpu.getOrCreateCounter('','C-State');if(powerCounter.numSeries===0){powerCounter.addSeries(new tr.model.CounterSeries('state',ColorScheme.getColorIdForGeneralPurposeString(powerCounter.name+'.'+'state')));}
 powerCounter.series.forEach(function(series){series.addCounterSample(ts,cpuState);});},cpuIdleSlice(ts,targetCpuNumber,cpuState){const targetCpu=this.importer.getOrCreateCpu(targetCpuNumber);const powerCounter=targetCpu.getOrCreateCounter('','C-State');if(powerCounter.numSeries===0){powerCounter.addSeries(new tr.model.CounterSeries('state',ColorScheme.getColorIdForGeneralPurposeString(powerCounter.name)));}
@@ -6322,7 +6098,9 @@
 thread.lastActiveTs=ts;thread.lastActiveValue=event[2];return true;},syncWaitEvent(eventName,cpuNumber,pid,ts,eventBase){const event=syncWaitRE.exec(eventBase.details);if(!event)return false;if(eventBase.tgid===undefined){return false;}
 const tgid=parseInt(eventBase.tgid);const thread=this.model_.getOrCreateProcess(tgid).getOrCreateThread(pid);thread.name=eventBase.threadName;const slices=thread.kernelSliceGroup;if(!slices.isTimestampValidForBeginOrEnd(ts)){this.model_.importWarning({type:'parse_error',message:'Timestamps are moving backward.'});return false;}
 const name='fence_wait("'+event[2]+'")';if(event[1]==='begin'){const slice=slices.beginSlice(null,name,ts,{'Start state':event[3]});}else if(event[1]==='end'){if(slices.openSliceCount>0){slices.endSlice(ts);}}else{return false;}
-return true;},syncPtEvent(eventName,cpuNumber,pid,ts,eventBase){return!!syncPtRE.exec(eventBase.details);}};Parser.register(SyncParser);return{SyncParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function WorkqueueParser(importer){Parser.call(this,importer);importer.registerEventHandler('workqueue_execute_start',WorkqueueParser.prototype.executeStartEvent.bind(this));importer.registerEventHandler('workqueue_execute_end',WorkqueueParser.prototype.executeEndEvent.bind(this));importer.registerEventHandler('workqueue_queue_work',WorkqueueParser.prototype.executeQueueWork.bind(this));importer.registerEventHandler('workqueue_activate_work',WorkqueueParser.prototype.executeActivateWork.bind(this));}
+return true;},syncPtEvent(eventName,cpuNumber,pid,ts,eventBase){return!!syncPtRE.exec(eventBase.details);}};Parser.register(SyncParser);return{SyncParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function ThermalParser(importer){Parser.call(this,importer);importer.registerEventHandler('thermal_temperature',ThermalParser.prototype.traceMarkWriteTemperatureEvent.bind(this));importer.registerEventHandler('cdev_update',ThermalParser.prototype.traceMarkWriteCdevEvent.bind(this));this.model_=importer.model_;this.ppids_={};}
+ThermalParser.prototype={__proto__:Parser.prototype,thermalMark(name,subName,value,ts){const ctr=this.model_.kernel.getOrCreateCounter(null,name+' '+subName);if(ctr.numSeries===0){ctr.addSeries(new tr.model.CounterSeries('value',ColorScheme.getColorIdForGeneralPurposeString(ctr.name+'.'+'value')));}
+ctr.series.forEach(function(series){series.addCounterSample(ts,value);});},traceMarkWriteTemperatureEvent(eventName,cpuNumber,pid,ts,eventBase,threadName){const event=/thermal_zone=(\S+) id=(\d+) temp_prev=(\d+) temp=(\d+)/.exec(eventBase.details);const name=event[1];const temp=parseInt(event[4]);this.thermalMark(name,'Temperature',temp,ts);return true;},traceMarkWriteCdevEvent(eventName,cpuNumber,pid,ts,eventBase,threadName){const event=/type=(\S+) target=(\d+)/.exec(eventBase.details);const name=event[1];const rate=parseInt(event[2]);this.thermalMark(name,'CoolingDevice',rate,ts);return true;}};Parser.register(ThermalParser);return{ThermalParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function WorkqueueParser(importer){Parser.call(this,importer);importer.registerEventHandler('workqueue_execute_start',WorkqueueParser.prototype.executeStartEvent.bind(this));importer.registerEventHandler('workqueue_execute_end',WorkqueueParser.prototype.executeEndEvent.bind(this));importer.registerEventHandler('workqueue_queue_work',WorkqueueParser.prototype.executeQueueWork.bind(this));importer.registerEventHandler('workqueue_activate_work',WorkqueueParser.prototype.executeActivateWork.bind(this));}
 const workqueueExecuteStartRE=/work struct (.+): function (\S+)/;const workqueueExecuteEndRE=/work struct (.+)/;WorkqueueParser.prototype={__proto__:Parser.prototype,executeStartEvent(eventName,cpuNumber,pid,ts,eventBase){const event=workqueueExecuteStartRE.exec(eventBase.details);if(!event)return false;const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,pid,pid);kthread.openSliceTS=ts;kthread.openSlice=event[2];return true;},executeEndEvent(eventName,cpuNumber,pid,ts,eventBase){const event=workqueueExecuteEndRE.exec(eventBase.details);if(!event)return false;const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,pid,pid);if(kthread.openSlice){const slice=new tr.model.ThreadSlice('',kthread.openSlice,ColorScheme.getColorIdForGeneralPurposeString(kthread.openSlice),kthread.openSliceTS,{},ts-kthread.openSliceTS);kthread.thread.sliceGroup.pushSlice(slice);}
 kthread.openSlice=undefined;return true;},executeQueueWork(eventName,cpuNumber,pid,ts,eventBase){return true;},executeActivateWork(eventName,cpuNumber,pid,ts,eventBase){return true;}};Parser.register(WorkqueueParser);return{WorkqueueParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const MONOTONIC_TO_FTRACE_GLOBAL_SYNC_ID='linux_clock_monotonic_to_ftrace_global';const IMPORT_PRIORITY=2;function FTraceImporter(model,events){this.importPriority=IMPORT_PRIORITY;this.model_=model;this.events_=events;this.wakeups_=[];this.blockedReasons_=[];this.kernelThreadStates_={};this.buildMapFromLinuxPidsToThreads_();this.lines_=[];this.pseudoThreadCounter=1;this.parsers_=[];this.eventHandlers_={};this.haveClockSyncedMonotonicToGlobal_=false;this.clockDomainId_=tr.model.ClockDomainId.LINUX_FTRACE_GLOBAL;}
 const TestExports={};const lineREWithTGID=new RegExp('^\\s*(.+)-(\\d+)\\s+\\(\\s*(\\d+|-+)\\)\\s\\[(\\d+)\\]'+'\\s+[dX.][Nnp.][Hhs.][0-9a-f.]'+'\\s+(\\d+\\.\\d+):\\s+(\\S+):\\s(.*)$');const lineParserWithTGID=function(line){const groups=lineREWithTGID.exec(line);if(!groups)return groups;let tgid=groups[3];if(tgid[0]==='-')tgid=undefined;return{threadName:groups[1],pid:groups[2],tgid,cpuNumber:groups[4],timestamp:groups[5],eventName:groups[6],details:groups[7]};};TestExports.lineParserWithTGID=lineParserWithTGID;const lineREWithIRQInfo=new RegExp('^\\s*(.+)-(\\d+)\\s+\\[(\\d+)\\]'+'\\s+[dX.][Nnp.][Hhs.][0-9a-f.]'+'\\s+(\\d+\\.\\d+):\\s+(\\S+):\\s(.*)$');const lineParserWithIRQInfo=function(line){const groups=lineREWithIRQInfo.exec(line);if(!groups)return groups;return{threadName:groups[1],pid:groups[2],cpuNumber:groups[3],timestamp:groups[4],eventName:groups[5],details:groups[6]};};TestExports.lineParserWithIRQInfo=lineParserWithIRQInfo;const lineREWithLegacyFmt=/^\s*(.+)-(\d+)\s+\[(\d+)\]\s*(\d+\.\d+):\s+(\S+):\s(.*)$/;const lineParserWithLegacyFmt=function(line){const groups=lineREWithLegacyFmt.exec(line);if(!groups){return groups;}
@@ -6623,20 +6401,22 @@
 if(fiCandidate===undefined){if(reachedFCIQuiescence_(searchEnd,quietWindowBegin,searchBegin)){fiCandidate=quietWindowBegin;}else{return undefined;}}
 return Math.max(fiCandidate,domContentLoadedEnd);}
 return{findInteractiveTime,findFirstCpuIdleTime,requiredFCIWindowSizeMs,findFCITaskClusters,};});'use strict';tr.exportTo('tr.model.um',function(){const LOAD_SUBTYPE_NAMES={SUCCESSFUL:'Successful',FAILED:'Failed',};const DOES_LOAD_SUBTYPE_NAME_EXIST={};for(const key in LOAD_SUBTYPE_NAMES){DOES_LOAD_SUBTYPE_NAME_EXIST[LOAD_SUBTYPE_NAMES[key]]=true;}
-function LoadExpectation(parentModel,initiatorTitle,start,duration,renderer,navigationStart,fmpEvent,dclEndEvent,cpuIdleTime,timeToInteractive,url,frameId){if(!DOES_LOAD_SUBTYPE_NAME_EXIST[initiatorTitle]){throw new Error(initiatorTitle+' is not in LOAD_SUBTYPE_NAMES');}
-tr.model.um.UserExpectation.call(this,parentModel,initiatorTitle,start,duration);this.renderProcess=renderer;this.renderMainThread=undefined;this.routingId=undefined;this.parentRoutingId=undefined;this.loadFinishedEvent=undefined;this.navigationStart=navigationStart;this.fmpEvent=fmpEvent;this.domContentLoadedEndEvent=dclEndEvent;this.firstCpuIdleTime=cpuIdleTime;this.timeToInteractive=timeToInteractive;this.url=url;this.frameId=frameId;}
+function LoadExpectation(parentModel,initiatorTitle,start,duration,renderer,navigationStart,fmpEvent,fcpEvent,dclEndEvent,cpuIdleTime,timeToInteractive,totalBlockingTime,url,frameId){if(!DOES_LOAD_SUBTYPE_NAME_EXIST[initiatorTitle]){throw new Error(initiatorTitle+' is not in LOAD_SUBTYPE_NAMES');}
+tr.model.um.UserExpectation.call(this,parentModel,initiatorTitle,start,duration);this.renderProcess=renderer;this.renderMainThread=undefined;this.routingId=undefined;this.parentRoutingId=undefined;this.loadFinishedEvent=undefined;this.navigationStart=navigationStart;this.fmpEvent=fmpEvent;this.fcpEvent=fcpEvent;this.domContentLoadedEndEvent=dclEndEvent;this.firstCpuIdleTime=cpuIdleTime;this.timeToInteractive=timeToInteractive;this.totalBlockingTime=totalBlockingTime;this.url=url;this.frameId=frameId;}
 LoadExpectation.prototype={__proto__:tr.model.um.UserExpectation.prototype,constructor:LoadExpectation};tr.model.um.UserExpectation.subTypes.register(LoadExpectation,{stageTitle:'Load',colorId:tr.b.ColorScheme.getColorIdForReservedName('rail_load')});return{LOAD_SUBTYPE_NAMES,LoadExpectation,};});'use strict';tr.exportTo('tr.importer',function(){const LONG_TASK_THRESHOLD_MS=50;const IGNORE_URLS=['','about:blank',];function findFrameLoaderSnapshotAt(rendererHelper,frameIdRef,ts){const objects=rendererHelper.process.objects;const frameLoaderInstances=objects.instancesByTypeName_.FrameLoader;if(frameLoaderInstances===undefined)return undefined;let snapshot;for(const instance of frameLoaderInstances){if(!instance.isAliveAt(ts))continue;const maybeSnapshot=instance.getSnapshotAt(ts);if(frameIdRef!==maybeSnapshot.args.frame.id_ref)continue;snapshot=maybeSnapshot;}
 return snapshot;}
 function findFirstMeaningfulPaintCandidates(rendererHelper){const candidatesForFrameId={};for(const ev of rendererHelper.process.getDescendantEvents()){if(!tr.e.chrome.EventFinderUtils.hasCategoryAndName(ev,'loading','firstMeaningfulPaintCandidate')){continue;}
 if(rendererHelper.isTelemetryInternalEvent(ev))continue;const frameIdRef=ev.args.frame;if(frameIdRef===undefined)continue;let list=candidatesForFrameId[frameIdRef];if(list===undefined){candidatesForFrameId[frameIdRef]=list=[];}
 list.push(ev);}
 return candidatesForFrameId;}
-function computeInteractivityMetricSample_(rendererHelper,navigationStart,fmpEvent,domContentLoadedEndEvent,searchWindowEnd){if(domContentLoadedEndEvent===undefined||fmpEvent===undefined){return{interactiveTime:undefined,firstCpuIdleTime:undefined};}
-const firstMeaningfulPaintTime=fmpEvent.start;const mainThreadTasks=tr.e.chrome.EventFinderUtils.findToplevelSchedulerTasks(rendererHelper.mainThread);const longTasks=mainThreadTasks.filter(task=>task.duration>=LONG_TASK_THRESHOLD_MS);const longTasksInWindow=longTasks.filter(task=>task.range.intersectsExplicitRangeInclusive(firstMeaningfulPaintTime,searchWindowEnd));const resourceLoadEvents=tr.e.chrome.EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,tr.b.math.Range.fromExplicitRange(navigationStart.start,searchWindowEnd));const firstCpuIdleTime=tr.e.chrome.findFirstCpuIdleTime(firstMeaningfulPaintTime,searchWindowEnd,domContentLoadedEndEvent.start,longTasksInWindow);const interactiveTime=resourceLoadEvents.length>0?tr.e.chrome.findInteractiveTime(firstMeaningfulPaintTime,searchWindowEnd,domContentLoadedEndEvent.start,longTasksInWindow,resourceLoadEvents):undefined;return{interactiveTime,firstCpuIdleTime};}
-function constructLoadingExpectation_(rendererHelper,frameToDomContentLoadedEndEvents,navigationStart,fmpEvent,searchWindowEnd,url,frameId){const dclTimesForFrame=frameToDomContentLoadedEndEvents.get(frameId)||[];const dclSearchRange=tr.b.math.Range.fromExplicitRange(navigationStart.start,searchWindowEnd);const dclTimesInWindow=dclSearchRange.filterArray(dclTimesForFrame,event=>event.start);let domContentLoadedEndEvent=undefined;if(dclTimesInWindow.length!==0){domContentLoadedEndEvent=dclTimesInWindow[dclTimesInWindow.length-1];}
-const{interactiveTime,firstCpuIdleTime}=computeInteractivityMetricSample_(rendererHelper,navigationStart,fmpEvent,domContentLoadedEndEvent,searchWindowEnd);const duration=(interactiveTime===undefined)?searchWindowEnd-navigationStart.start:interactiveTime-navigationStart.start;return new tr.model.um.LoadExpectation(rendererHelper.modelHelper.model,tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL,navigationStart.start,duration,rendererHelper.process,navigationStart,fmpEvent,domContentLoadedEndEvent,firstCpuIdleTime,interactiveTime,url,frameId);}
-function collectLoadExpectationsForRenderer(rendererHelper){const samples=[];const frameToNavStartEvents=tr.e.chrome.EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'navigationStart','blink.user_timing');const frameToDomContentLoadedEndEvents=tr.e.chrome.EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'domContentLoadedEventEnd','blink.user_timing');function addSamples(frameIdRef,navigationStart,fmpCandidateEvents,searchWindowEnd,url){let fmpMarkerEvent=tr.e.chrome.EventFinderUtils.findLastEventStartingOnOrBeforeTimestamp(fmpCandidateEvents,searchWindowEnd);if(fmpMarkerEvent!==undefined&&navigationStart.start>fmpMarkerEvent.start){fmpMarkerEvent=undefined;}
-samples.push(constructLoadingExpectation_(rendererHelper,frameToDomContentLoadedEndEvents,navigationStart,fmpMarkerEvent,searchWindowEnd,url,frameIdRef));}
+function computeTotalBlockingTime_(fcpTime,interactiveTime,topLevelTasks){let sumBlockingTime=0;for(const event of topLevelTasks){if(event.duration<LONG_TASK_THRESHOLD_MS)continue;if(event.end<fcpTime)continue;if(event.start>interactiveTime)continue;const clippedStart=Math.max(event.start,fcpTime);const clippedEnd=Math.min(event.end,interactiveTime);const clippedDuration=clippedEnd-clippedStart;if(clippedDuration<LONG_TASK_THRESHOLD_MS)continue;sumBlockingTime+=(clippedDuration-LONG_TASK_THRESHOLD_MS);}
+return sumBlockingTime;}
+function computeInteractivityMetricSample_(rendererHelper,navigationStart,fcpEvent,domContentLoadedEndEvent,searchWindowEnd){if(domContentLoadedEndEvent===undefined||fcpEvent===undefined){return{interactiveTime:undefined,firstCpuIdleTime:undefined,totalBlockingTime:undefined};}
+const firstContentfulPaintTime=fcpEvent.start;const mainThreadTasks=tr.e.chrome.EventFinderUtils.findToplevelSchedulerTasks(rendererHelper.mainThread);const longTasks=mainThreadTasks.filter(task=>task.duration>=LONG_TASK_THRESHOLD_MS);const longTasksInWindow=longTasks.filter(task=>task.range.intersectsExplicitRangeInclusive(firstContentfulPaintTime,searchWindowEnd));const resourceLoadEvents=tr.e.chrome.EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,tr.b.math.Range.fromExplicitRange(navigationStart.start,searchWindowEnd));const firstCpuIdleTime=tr.e.chrome.findFirstCpuIdleTime(firstContentfulPaintTime,searchWindowEnd,domContentLoadedEndEvent.start,longTasksInWindow);const interactiveTime=resourceLoadEvents.length>0?tr.e.chrome.findInteractiveTime(firstContentfulPaintTime,searchWindowEnd,domContentLoadedEndEvent.start,longTasksInWindow,resourceLoadEvents):undefined;const totalBlockingTime=interactiveTime?computeTotalBlockingTime_(fcpEvent.start,interactiveTime,longTasks):undefined;return{interactiveTime,firstCpuIdleTime,totalBlockingTime};}
+function constructLoadingExpectation_(rendererHelper,frameToDomContentLoadedEndEvents,frameToFcpEvents,navigationStart,fmpEvent,searchWindowEnd,url,frameId){const searchRange=tr.b.math.Range.fromExplicitRange(navigationStart.start,searchWindowEnd);const dclTimesForFrame=frameToDomContentLoadedEndEvents.get(frameId)||[];const dclTimesInWindow=searchRange.filterArray(dclTimesForFrame,event=>event.start);let domContentLoadedEndEvent=undefined;if(dclTimesInWindow.length!==0){domContentLoadedEndEvent=dclTimesInWindow[dclTimesInWindow.length-1];}
+const fcpForFrame=frameToFcpEvents.get(frameId)||[];const fcpInWindow=searchRange.filterArray(fcpForFrame,event=>event.start);const fcpEvent=fcpInWindow[0];const{interactiveTime,firstCpuIdleTime,totalBlockingTime}=computeInteractivityMetricSample_(rendererHelper,navigationStart,fcpEvent,domContentLoadedEndEvent,searchWindowEnd);const duration=(interactiveTime===undefined)?searchWindowEnd-navigationStart.start:interactiveTime-navigationStart.start;return new tr.model.um.LoadExpectation(rendererHelper.modelHelper.model,tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL,navigationStart.start,duration,rendererHelper.process,navigationStart,fmpEvent,fcpEvent,domContentLoadedEndEvent,firstCpuIdleTime,interactiveTime,totalBlockingTime,url,frameId);}
+function collectLoadExpectationsForRenderer(rendererHelper){const samples=[];const frameToNavStartEvents=tr.e.chrome.EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'navigationStart','blink.user_timing');const frameToDomContentLoadedEndEvents=tr.e.chrome.EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'domContentLoadedEventEnd','blink.user_timing');const frameToFcpEvents=tr.e.chrome.EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'firstContentfulPaint','loading');function addSamples(frameIdRef,navigationStart,fmpCandidateEvents,searchWindowEnd,url){let fmpMarkerEvent=tr.e.chrome.EventFinderUtils.findLastEventStartingOnOrBeforeTimestamp(fmpCandidateEvents,searchWindowEnd);if(fmpMarkerEvent!==undefined&&navigationStart.start>fmpMarkerEvent.start){fmpMarkerEvent=undefined;}
+samples.push(constructLoadingExpectation_(rendererHelper,frameToDomContentLoadedEndEvents,frameToFcpEvents,navigationStart,fmpMarkerEvent,searchWindowEnd,url,frameIdRef));}
 const candidatesForFrameId=findFirstMeaningfulPaintCandidates(rendererHelper);for(const[frameIdRef,navStartEvents]of frameToNavStartEvents){const fmpCandidateEvents=candidatesForFrameId[frameIdRef]||[];let prevNavigation={navigationEvent:undefined,url:undefined};for(let index=0;index<navStartEvents.length;index++){const currNavigation=navStartEvents[index];let url;let isLoadingMainFrame=false;if(currNavigation.args.data){url=currNavigation.args.data.documentLoaderURL;isLoadingMainFrame=currNavigation.args.data.isLoadingMainFrame;}else{const snapshot=findFrameLoaderSnapshotAt(rendererHelper,frameIdRef,currNavigation.start);if(snapshot){url=snapshot.args.documentLoaderURL;isLoadingMainFrame=snapshot.args.isLoadingMainFrame;}}
 if(!isLoadingMainFrame)continue;if(url===undefined||IGNORE_URLS.includes(url))continue;if(prevNavigation.navigationEvent!==undefined){addSamples(frameIdRef,prevNavigation.navigationEvent,fmpCandidateEvents,currNavigation.start,prevNavigation.url);}
 prevNavigation={navigationEvent:currNavigation,url};}
@@ -6918,7 +6698,8 @@
 if(opt_dictionary.color){spanEl.style.color=opt_dictionary.color;}}
 return spanEl;}
 function createLink(opt_args){let ownerDocument=document;if(opt_args&&opt_args.ownerDocument){ownerDocument=opt_args.ownerDocument;}
-const linkEl=ownerDocument.createElement('a');if(opt_args){if(opt_args.href)linkEl.href=opt_args.href;if(opt_args.tooltip)linkEl.title=opt_args.tooltip;if(opt_args.color)linkEl.style.color=opt_args.color;if(opt_args.bold)linkEl.style.fontWeight='bold';if(opt_args.italic)linkEl.style.fontStyle='italic';if(opt_args.className)linkEl.className=opt_args.className;if(opt_args.parent)Polymer.dom(opt_args.parent).appendChild(linkEl);if(opt_args.marginLeft)linkEl.style.marginLeft=opt_args.marginLeft;if(opt_args.marginRight)linkEl.style.marginRight=opt_args.marginRight;if(opt_args.backgroundColor){linkEl.style.backgroundColor=opt_args.backgroundColor;}
+const linkEl=ownerDocument.createElement('a');if(opt_args){if(opt_args.href){linkEl.href=opt_args.href;linkEl.target='_blank';}
+if(opt_args.tooltip)linkEl.title=opt_args.tooltip;if(opt_args.color)linkEl.style.color=opt_args.color;if(opt_args.bold)linkEl.style.fontWeight='bold';if(opt_args.italic)linkEl.style.fontStyle='italic';if(opt_args.className)linkEl.className=opt_args.className;if(opt_args.parent)Polymer.dom(opt_args.parent).appendChild(linkEl);if(opt_args.marginLeft)linkEl.style.marginLeft=opt_args.marginLeft;if(opt_args.marginRight)linkEl.style.marginRight=opt_args.marginRight;if(opt_args.backgroundColor){linkEl.style.backgroundColor=opt_args.backgroundColor;}
 if(opt_args.textContent){Polymer.dom(linkEl).textContent=opt_args.textContent;}}
 return linkEl;}
 function createDiv(opt_dictionary){const divEl=document.createElement('div');if(opt_dictionary){if(opt_dictionary.className){divEl.className=opt_dictionary.className;}
@@ -7319,7 +7100,7 @@
 static deserialize(data,deserializer){return new UnmergeableDiagnosticSet(d.map(i=>deserializer.getDiagnostic(i).diagnostic));}
 serialize(serializer){return this._diagnostics.map(d=>serializer.getOrAllocateDiagnosticId('',d));}
 static fromDict(d){return new UnmergeableDiagnosticSet(d.diagnostics.map(d=>((typeof d==='string')?new tr.v.d.DiagnosticRef(d):tr.v.d.Diagnostic.fromDict(d))));}}
-tr.v.d.Diagnostic.register(UnmergeableDiagnosticSet,{elementName:'tr-v-ui-unmergeable-diagnostic-set-span'});return{UnmergeableDiagnosticSet,};});'use strict';tr.exportTo('tr.v.d',function(){const RESERVED_INFOS={ANGLE_REVISIONS:{name:'angleRevisions',type:tr.v.d.GenericSet},ARCHITECTURES:{name:'architectures',type:tr.v.d.GenericSet},BENCHMARKS:{name:'benchmarks',type:tr.v.d.GenericSet},BENCHMARK_START:{name:'benchmarkStart',type:tr.v.d.DateRange},BENCHMARK_DESCRIPTIONS:{name:'benchmarkDescriptions',type:tr.v.d.GenericSet},BOTS:{name:'bots',type:tr.v.d.GenericSet},BUG_COMPONENTS:{name:'bugComponents',type:tr.v.d.GenericSet},BUILDS:{name:'builds',type:tr.v.d.GenericSet},CATAPULT_REVISIONS:{name:'catapultRevisions',type:tr.v.d.GenericSet},CHROMIUM_COMMIT_POSITIONS:{name:'chromiumCommitPositions',type:tr.v.d.GenericSet},CHROMIUM_REVISIONS:{name:'chromiumRevisions',type:tr.v.d.GenericSet},DESCRIPTION:{name:'description',type:tr.v.d.GenericSet},DEVICE_IDS:{name:'deviceIds',type:tr.v.d.GenericSet},DOCUMENTATION_URLS:{name:'documentationUrls',type:tr.v.d.GenericSet},FUCHSIA_GARNET_REVISIONS:{name:'fuchsiaGarnetRevisions',type:tr.v.d.GenericSet},FUCHSIA_PERIDOT_REVISIONS:{name:'fuchsiaPeridotRevisions',type:tr.v.d.GenericSet},FUCHSIA_TOPAZ_REVISIONS:{name:'fuchsiaTopazRevisions',type:tr.v.d.GenericSet},FUCHSIA_ZIRCON_REVISIONS:{name:'fuchsiaZirconRevisions',type:tr.v.d.GenericSet},GPUS:{name:'gpus',type:tr.v.d.GenericSet},IS_REFERENCE_BUILD:{name:'isReferenceBuild',type:tr.v.d.GenericSet},LABELS:{name:'labels',type:tr.v.d.GenericSet},LOG_URLS:{name:'logUrls',type:tr.v.d.GenericSet},MASTERS:{name:'masters',type:tr.v.d.GenericSet},MEMORY_AMOUNTS:{name:'memoryAmounts',type:tr.v.d.GenericSet},OS_NAMES:{name:'osNames',type:tr.v.d.GenericSet},OS_VERSIONS:{name:'osVersions',type:tr.v.d.GenericSet},OWNERS:{name:'owners',type:tr.v.d.GenericSet},POINT_ID:{name:'pointId',type:tr.v.d.GenericSet},PRODUCT_VERSIONS:{name:'productVersions',type:tr.v.d.GenericSet},REVISION_TIMESTAMPS:{name:'revisionTimestamps',type:tr.v.d.DateRange},SKIA_REVISIONS:{name:'skiaRevisions',type:tr.v.d.GenericSet},STATISTICS_NAMES:{name:'statisticsNames',type:tr.v.d.GenericSet},STORIES:{name:'stories',type:tr.v.d.GenericSet},STORYSET_REPEATS:{name:'storysetRepeats',type:tr.v.d.GenericSet},STORY_TAGS:{name:'storyTags',type:tr.v.d.GenericSet},SUMMARY_KEYS:{name:'summaryKeys',type:tr.v.d.GenericSet},TEST_PATH:{name:'testPath',type:tr.v.d.GenericSet},TRACE_START:{name:'traceStart',type:tr.v.d.DateRange},TRACE_URLS:{name:'traceUrls',type:tr.v.d.GenericSet},V8_COMMIT_POSITIONS:{name:'v8CommitPositions',type:tr.v.d.DateRange},V8_REVISIONS:{name:'v8Revisions',type:tr.v.d.GenericSet},WEBRTC_REVISIONS:{name:'webrtcRevisions',type:tr.v.d.GenericSet},WEBRTC_INTERNAL_REVISIONS:{name:'webrtcInternalRevisions',type:tr.v.d.GenericSet},};const RESERVED_NAMES={};const RESERVED_NAMES_TO_TYPES=new Map();for(const[codename,info]of Object.entries(RESERVED_INFOS)){RESERVED_NAMES[codename]=info.name;if(RESERVED_NAMES_TO_TYPES.has(info.name)){throw new Error(`Duplicate reserved name "${info.name}"`);}
+tr.v.d.Diagnostic.register(UnmergeableDiagnosticSet,{elementName:'tr-v-ui-unmergeable-diagnostic-set-span'});return{UnmergeableDiagnosticSet,};});'use strict';tr.exportTo('tr.v.d',function(){const RESERVED_INFOS={ALERT_GROUPING:{name:'alertGrouping',type:tr.v.d.GenericSet},ANGLE_REVISIONS:{name:'angleRevisions',type:tr.v.d.GenericSet},ARCHITECTURES:{name:'architectures',type:tr.v.d.GenericSet},BENCHMARKS:{name:'benchmarks',type:tr.v.d.GenericSet},BENCHMARK_START:{name:'benchmarkStart',type:tr.v.d.DateRange},BENCHMARK_DESCRIPTIONS:{name:'benchmarkDescriptions',type:tr.v.d.GenericSet},BOTS:{name:'bots',type:tr.v.d.GenericSet},BUG_COMPONENTS:{name:'bugComponents',type:tr.v.d.GenericSet},BUILDS:{name:'builds',type:tr.v.d.GenericSet},CATAPULT_REVISIONS:{name:'catapultRevisions',type:tr.v.d.GenericSet},CHROMIUM_COMMIT_POSITIONS:{name:'chromiumCommitPositions',type:tr.v.d.GenericSet},CHROMIUM_REVISIONS:{name:'chromiumRevisions',type:tr.v.d.GenericSet},DESCRIPTION:{name:'description',type:tr.v.d.GenericSet},DEVICE_IDS:{name:'deviceIds',type:tr.v.d.GenericSet},DOCUMENTATION_URLS:{name:'documentationUrls',type:tr.v.d.GenericSet},INFO_BLURB:{name:'infoBlurb',type:tr.v.d.GenericSet},FUCHSIA_GARNET_REVISIONS:{name:'fuchsiaGarnetRevisions',type:tr.v.d.GenericSet},FUCHSIA_PERIDOT_REVISIONS:{name:'fuchsiaPeridotRevisions',type:tr.v.d.GenericSet},FUCHSIA_TOPAZ_REVISIONS:{name:'fuchsiaTopazRevisions',type:tr.v.d.GenericSet},FUCHSIA_ZIRCON_REVISIONS:{name:'fuchsiaZirconRevisions',type:tr.v.d.GenericSet},GPUS:{name:'gpus',type:tr.v.d.GenericSet},IS_REFERENCE_BUILD:{name:'isReferenceBuild',type:tr.v.d.GenericSet},LABELS:{name:'labels',type:tr.v.d.GenericSet},LOG_URLS:{name:'logUrls',type:tr.v.d.GenericSet},MASTERS:{name:'masters',type:tr.v.d.GenericSet},MEMORY_AMOUNTS:{name:'memoryAmounts',type:tr.v.d.GenericSet},OS_NAMES:{name:'osNames',type:tr.v.d.GenericSet},OS_VERSIONS:{name:'osVersions',type:tr.v.d.GenericSet},OWNERS:{name:'owners',type:tr.v.d.GenericSet},POINT_ID:{name:'pointId',type:tr.v.d.GenericSet},PRODUCT_VERSIONS:{name:'productVersions',type:tr.v.d.GenericSet},REVISION_TIMESTAMPS:{name:'revisionTimestamps',type:tr.v.d.DateRange},SKIA_REVISIONS:{name:'skiaRevisions',type:tr.v.d.GenericSet},STATISTICS_NAMES:{name:'statisticsNames',type:tr.v.d.GenericSet},STORIES:{name:'stories',type:tr.v.d.GenericSet},STORYSET_REPEATS:{name:'storysetRepeats',type:tr.v.d.GenericSet},STORY_TAGS:{name:'storyTags',type:tr.v.d.GenericSet},SUMMARY_KEYS:{name:'summaryKeys',type:tr.v.d.GenericSet},TEST_PATH:{name:'testPath',type:tr.v.d.GenericSet},TRACE_START:{name:'traceStart',type:tr.v.d.DateRange},TRACE_URLS:{name:'traceUrls',type:tr.v.d.GenericSet},V8_COMMIT_POSITIONS:{name:'v8CommitPositions',type:tr.v.d.DateRange},V8_REVISIONS:{name:'v8Revisions',type:tr.v.d.GenericSet},WEBRTC_REVISIONS:{name:'webrtcRevisions',type:tr.v.d.GenericSet},WEBRTC_INTERNAL_REVISIONS:{name:'webrtcInternalRevisions',type:tr.v.d.GenericSet},};const RESERVED_NAMES={};const RESERVED_NAMES_TO_TYPES=new Map();for(const[codename,info]of Object.entries(RESERVED_INFOS)){RESERVED_NAMES[codename]=info.name;if(RESERVED_NAMES_TO_TYPES.has(info.name)){throw new Error(`Duplicate reserved name "${info.name}"`);}
 RESERVED_NAMES_TO_TYPES.set(info.name,info.type);}
 const RESERVED_NAMES_SET=new Set(Object.values(RESERVED_NAMES));return{RESERVED_INFOS,RESERVED_NAMES,RESERVED_NAMES_SET,RESERVED_NAMES_TO_TYPES,};});'use strict';tr.exportTo('tr.v.d',function(){class DiagnosticMap extends Map{constructor(opt_allowReservedNames){super();if(opt_allowReservedNames===undefined){opt_allowReservedNames=true;}
 this.allowReservedNames_=opt_allowReservedNames;}
@@ -7363,13 +7144,17 @@
 const DEFAULT_SUMMARY_OPTIONS=new Map([['avg',true],['count',true],['geometricMean',false],['max',true],['min',true],['nans',false],['std',true],['sum',true],]);class Histogram{constructor(name,unit,opt_binBoundaries){if(!(unit instanceof tr.b.Unit)){throw new Error('unit must be a Unit: '+unit);}
 let binBoundaries=opt_binBoundaries;if(!binBoundaries){const baseUnit=unit.baseUnit?unit.baseUnit:unit;binBoundaries=DEFAULT_BOUNDARIES_FOR_UNIT.get(baseUnit.unitName);}
 this.binBoundariesDict_=binBoundaries.asDict();this.allBins=binBoundaries.bins.slice();this.description='';const allowReservedNames=false;this.diagnostics_=new tr.v.d.DiagnosticMap(allowReservedNames);this.maxNumSampleValues_=this.defaultMaxNumSampleValues_;this.name_=name;this.nanDiagnosticMaps=[];this.numNans=0;this.running_=undefined;this.sampleValues_=[];this.sampleMeans_=[];this.summaryOptions=new Map(DEFAULT_SUMMARY_OPTIONS);this.summaryOptions.set('percentile',[]);this.summaryOptions.set('iprs',[]);this.summaryOptions.set('ci',[]);this.unit=unit;}
-static create(name,unit,samples,opt_options){const options=opt_options||{};const hist=new Histogram(name,unit,options.binBoundaries);if(options.description)hist.description=options.description;if(options.summaryOptions){let summaryOptions=options.summaryOptions;if(!(summaryOptions instanceof Map)){summaryOptions=Object.entries(summaryOptions);}
+static create(name,unit,samples,opt_options){const options=opt_options||{};const hist=new Histogram(name,unit,options.binBoundaries);if(options.alertGrouping!==undefined){hist.setAlertGrouping(options.alertGrouping);}
+if(options.description)hist.description=options.description;if(options.summaryOptions){let summaryOptions=options.summaryOptions;if(!(summaryOptions instanceof Map)){summaryOptions=Object.entries(summaryOptions);}
 for(const[name,value]of summaryOptions){hist.summaryOptions.set(name,value);}}
 if(options.diagnostics!==undefined){let diagnostics=options.diagnostics;if(!(diagnostics instanceof Map)){diagnostics=Object.entries(diagnostics);}
 for(const[name,diagnostic]of diagnostics){if(!diagnostic)continue;hist.diagnostics.set(name,diagnostic);}}
 if(!(samples instanceof Array))samples=[samples];for(const sample of samples){if(typeof sample==='object'){hist.addSample(sample.value,sample.diagnostics);}else{hist.addSample(sample);}}
 return hist;}
 get diagnostics(){return this.diagnostics_;}
+setAlertGrouping(alertGrouping){if(alertGrouping===undefined||alertGrouping===null||alertGrouping.length===undefined){throw Error('alertGrouping must be an array');}
+for(const alertGroup of alertGrouping){if(!Object.values(tr.v.d.ALERT_GROUPS).includes(alertGroup)){throw Error(`Alert group ${alertGroup} must be added to `+'/tracing/value/diagnostics/alert_groups.html');}}
+this.diagnostics.set(tr.v.d.RESERVED_NAMES.ALERT_GROUPING,new tr.v.d.GenericSet(alertGrouping));}
 get running(){return this.running_;}
 get maxNumSampleValues(){return this.maxNumSampleValues_;}
 set maxNumSampleValues(n){this.maxNumSampleValues_=n;tr.b.math.Statistics.uniformlySampleArray(this.sampleValues_,this.maxNumSampleValues_);}
@@ -7591,7 +7376,7 @@
 Polymer({is:'tr-ui-a-generic-object-view',ready(){this.object_=undefined;},get object(){return this.object_;},set object(object){this.object_=object;this.updateContents_();},updateContents_(){Polymer.dom(this.$.content).textContent='';this.appendElementsForType_('',this.object_,0,0,5,'');},appendElementsForType_(label,object,indent,depth,maxDepth,suffix){if(depth>maxDepth){this.appendSimpleText_(label,indent,'<recursion limit reached>',suffix);return;}
 if(object===undefined){this.appendSimpleText_(label,indent,'undefined',suffix);return;}
 if(object===null){this.appendSimpleText_(label,indent,'null',suffix);return;}
-if(!(object instanceof Object)){const type=typeof object;if(type!=='string'){return this.appendSimpleText_(label,indent,object,suffix);}
+if(!(object instanceof Object)){const type=typeof object;if(type!=='string'){return this.appendSimpleText_(label,indent,String(object),suffix);}
 let objectReplaced=false;if((object[0]==='{'&&object[object.length-1]==='}')||(object[0]==='['&&object[object.length-1]===']')){try{object=JSON.parse(object);objectReplaced=true;}catch(e){}}
 if(!objectReplaced){if(object.includes('\n')){const lines=object.split('\n');lines.forEach(function(line,i){let text;let ioff;let ll;let ss;if(i===0){text='"'+line;ioff=0;ll=label;ss='';}else if(i<lines.length-1){text=line;ioff=1;ll='';ss='';}else{text=line+'"';ioff=1;ll='';ss=suffix;}
 const el=this.appendSimpleText_(ll,indent+ioff*label.length+ioff,text,ss);el.style.whiteSpace='pre';return el;},this);return;}
@@ -7929,7 +7714,8 @@
 if(event.category){rows.push({name:'Category',value:event.category});}
 if(event.model!==undefined){const ufc=event.model.getUserFriendlyCategoryFromEvent(event);if(ufc!==undefined){rows.push({name:'User Friendly Category',value:ufc});}}
 if(event.name){rows.push({name:'Name',value:event.name});}
-rows.push({name:'Start',value:tr.v.ui.createScalarSpan(event.start,{unit:tr.b.Unit.byName.timeStampInMs})});if(event.duration){rows.push({name:'Wall Duration',value:tr.v.ui.createScalarSpan(event.duration,{unit:tr.b.Unit.byName.timeDurationInMs})});}
+rows.push({name:'Start',value:tr.v.ui.createScalarSpan(event.start,{unit:tr.b.Unit.byName.timeStampInMs})});if(event.category==='android'&&event.model!==undefined){rows.push({name:'Start (Absolute time)',value:tr.v.ui.createScalarSpan(event.model.convertTimestampFromModelTime('traceEventClock',event.start),{unit:tr.b.Unit.byName.timeStampInMs})});}
+if(event.duration){rows.push({name:'Wall Duration',value:tr.v.ui.createScalarSpan(event.duration,{unit:tr.b.Unit.byName.timeDurationInMs})});}
 if(event.cpuDuration){rows.push({name:'CPU Duration',value:tr.v.ui.createScalarSpan(event.cpuDuration,{unit:tr.b.Unit.byName.timeDurationInMs})});}
 if(event.subSlices!==undefined&&event.subSlices.length!==0){if(event.selfTime){rows.push({name:'Self Time',value:tr.v.ui.createScalarSpan(event.selfTime,{unit:tr.b.Unit.byName.timeDurationInMs})});}
 if(event.cpuSelfTime){const cpuSelfTimeEl=tr.v.ui.createScalarSpan(event.cpuSelfTime,{unit:tr.b.Unit.byName.timeDurationInMs});if(event.cpuSelfTime>event.selfTime){cpuSelfTimeEl.warning=' Note that CPU Self Time is larger than Self Time. '+'This is a known limitation of this system, which occurs '+'due to several subslices, rounding issues, and imprecise '+'time at which we get cpu- and real-time.';}
@@ -8293,21 +8079,21 @@
 if(slice.title==='RenderAccessibilityImpl::SendLocationChanges'){renderAccessibilityLocationsHist.addSample(slice.duration,{event:new tr.v.d.RelatedEventSet(slice)});}}}
 for(const browserHelper of Object.values(chromeHelper.browserHelpers)){const mainThread=browserHelper.mainThread;if(mainThread===undefined)continue;for(const slice of mainThread.getDescendantEvents()){if(slice.title==='BrowserAccessibilityManager::OnAccessibilityEvents'){browserAccessibilityEventsHist.addSample(slice.duration,{event:new tr.v.d.RelatedEventSet(slice)});}}}
 histograms.addHistogram(browserAccessibilityEventsHist);histograms.addHistogram(renderAccessibilityEventsHist);histograms.addHistogram(renderAccessibilityLocationsHist);}
-tr.metrics.MetricRegistry.register(accessibilityMetric);return{accessibilityMetric,};});'use strict';tr.exportTo('tr.metrics.sh',function(){const MESSAGE_LOOP_EVENT_NAME='Startup.BrowserMessageLoopStartTime';const CONTENT_START_EVENT_NAME='content::Start';const NAVIGATION_EVENT_NAME='Navigation StartToCommit';const FIRST_CONTENTFUL_PAINT_EVENT_NAME='firstContentfulPaint';function androidStartupMetric(histograms,model){let messageLoopStartEvents=[];let navigationEvents=[];const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper)return;for(const helper of chromeHelper.browserHelpers){for(const ev of helper.mainThread.asyncSliceGroup.childEvents()){if(ev.title===MESSAGE_LOOP_EVENT_NAME){messageLoopStartEvents.push(ev);}else if(ev.title===NAVIGATION_EVENT_NAME){navigationEvents.push(ev);}}}
+tr.metrics.MetricRegistry.register(accessibilityMetric);return{accessibilityMetric,};});'use strict';tr.exportTo('tr.metrics.sh',function(){const MESSAGE_LOOP_EVENT_NAME='Startup.BrowserMessageLoopStartTime';const CONTENT_START_EVENT_NAME='content::Start';const NAVIGATION_EVENT_NAME='Navigation StartToCommit';const FIRST_CONTENTFUL_PAINT_EVENT_NAME='firstContentfulPaint';const APPLICATION_START_EVENT_NAME='Startup.LoadTime.ProcessCreateToApplicationStart';function androidStartupMetric(histograms,model){let messageLoopStartEvents=[];let applicationStartEvents=[];let navigationEvents=[];const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper)return;for(const helper of chromeHelper.browserHelpers){for(const ev of helper.mainThread.asyncSliceGroup.childEvents()){if(ev.title===MESSAGE_LOOP_EVENT_NAME){messageLoopStartEvents.push(ev);}else if(ev.title===APPLICATION_START_EVENT_NAME){applicationStartEvents.push(ev);}else if(ev.title===NAVIGATION_EVENT_NAME){navigationEvents.push(ev);}}}
 let contentStartEvents=[];let firstContentfulPaintEvents=[];const rendererHelpers=chromeHelper.rendererHelpers;const pids=Object.keys(rendererHelpers);for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(!rendererHelper.mainThread)continue;for(const ev of rendererHelper.mainThread.sliceGroup.childEvents()){if(ev.title===FIRST_CONTENTFUL_PAINT_EVENT_NAME){firstContentfulPaintEvents.push(ev);break;}else if(ev.title===CONTENT_START_EVENT_NAME){contentStartEvents.push(ev);}}}
-let totalBrowserStarts=messageLoopStartEvents.length;let totalContentStartEvents=contentStartEvents.length;let totalFcpEvents=firstContentfulPaintEvents.length;let totalNavigations=navigationEvents.length;if(totalFcpEvents!==totalBrowserStarts||totalNavigations!==totalBrowserStarts||totalContentStartEvents!==totalBrowserStarts||totalBrowserStarts===0){messageLoopStartEvents=[];contentStartEvents=[];navigationEvents=[];firstContentfulPaintEvents=[];for(const proc of Object.values(model.processes)){for(const ev of proc.getDescendantEvents()){if(ev.title===MESSAGE_LOOP_EVENT_NAME){messageLoopStartEvents.push(ev);}else if(ev.title===NAVIGATION_EVENT_NAME){navigationEvents.push(ev);}else if(ev.title===CONTENT_START_EVENT_NAME){contentStartEvents.push(ev);}}
+let totalBrowserStarts=messageLoopStartEvents.length;let totalContentStartEvents=contentStartEvents.length;let totalFcpEvents=firstContentfulPaintEvents.length;let totalNavigations=navigationEvents.length;let totalApplicationStartEvents=applicationStartEvents.length;if(totalFcpEvents!==totalBrowserStarts||totalNavigations!==totalBrowserStarts||totalContentStartEvents!==totalBrowserStarts||totalApplicationStartEvents!==totalBrowserStarts||totalBrowserStarts===0){messageLoopStartEvents=[];contentStartEvents=[];navigationEvents=[];firstContentfulPaintEvents=[];applicationStartEvents=[];for(const proc of Object.values(model.processes)){for(const ev of proc.getDescendantEvents()){if(ev.title===MESSAGE_LOOP_EVENT_NAME){messageLoopStartEvents.push(ev);}else if(ev.title===APPLICATION_START_EVENT_NAME){applicationStartEvents.push(ev);}else if(ev.title===NAVIGATION_EVENT_NAME){navigationEvents.push(ev);}else if(ev.title===CONTENT_START_EVENT_NAME){contentStartEvents.push(ev);}}
 for(const ev of proc.getDescendantEvents()){if(ev.title===FIRST_CONTENTFUL_PAINT_EVENT_NAME){firstContentfulPaintEvents.push(ev);break;}}}
-totalBrowserStarts=messageLoopStartEvents.length;totalContentStartEvents=contentStartEvents.length;totalNavigations=navigationEvents.length;totalFcpEvents=firstContentfulPaintEvents.length;}
+totalBrowserStarts=messageLoopStartEvents.length;totalContentStartEvents=contentStartEvents.length;totalNavigations=navigationEvents.length;totalFcpEvents=firstContentfulPaintEvents.length;totalApplicationStartEvents=applicationStartEvents.length;}
 function orderEvents(event1,event2){return event1.start-event2.start;}
-messageLoopStartEvents.sort(orderEvents);contentStartEvents.sort(orderEvents);navigationEvents.sort(orderEvents);firstContentfulPaintEvents.sort(orderEvents);if(totalFcpEvents<totalBrowserStarts){throw new Error('Found fewer FCP events ('+totalFcpEvents+') than browser starts ('+totalBrowserStarts+')');}
-const messageLoopStartHistogram=histograms.createHistogram('messageloop_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const contentStartHistogram=histograms.createHistogram('experimental_content_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const navigationStartHistogram=histograms.createHistogram('experimental_navigation_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const navigationCommitHistogram=histograms.createHistogram('navigation_commit_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const firstContentfulPaintHistogram=histograms.createHistogram('first_contentful_paint_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);let contentIndex=0;let navIndex=0;let fcpIndex=0;for(let loopStartIndex=0;loopStartIndex<totalBrowserStarts;){const startEvent=messageLoopStartEvents[loopStartIndex];if(fcpIndex===totalFcpEvents){break;}
-const contentStartEvent=contentIndex<contentStartEvents.length?contentStartEvents[contentIndex]:null;if(contentStartEvent&&contentStartEvent.start<startEvent.start){contentIndex++;continue;}
-const navEvent=navIndex<navigationEvents.length?navigationEvents[navIndex]:null;if(navEvent&&navEvent.start<startEvent.start){navIndex++;continue;}
-const fcpEvent=firstContentfulPaintEvents[fcpIndex];if(fcpEvent.start<startEvent.start){fcpIndex++;continue;}
+messageLoopStartEvents.sort(orderEvents);applicationStartEvents.sort(orderEvents);contentStartEvents.sort(orderEvents);navigationEvents.sort(orderEvents);firstContentfulPaintEvents.sort(orderEvents);if(totalFcpEvents<totalBrowserStarts){throw new Error('Found fewer FCP events ('+totalFcpEvents+') than browser starts ('+totalBrowserStarts+')');}
+const messageLoopStartHistogram=histograms.createHistogram('messageloop_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const contentStartHistogram=histograms.createHistogram('experimental_content_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const navigationStartHistogram=histograms.createHistogram('experimental_navigation_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const navigationCommitHistogram=histograms.createHistogram('navigation_commit_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const firstContentfulPaintHistogram=histograms.createHistogram('first_contentful_paint_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const applicationStartHistogram=histograms.createHistogram('process_create_to_app_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);let contentIndex=0;let navIndex=0;let fcpIndex=0;for(let loopStartIndex=0;loopStartIndex<totalBrowserStarts;){const loopStartEvent=messageLoopStartEvents[loopStartIndex];const applicationStartEvent=applicationStartEvents[loopStartIndex];if(fcpIndex===totalFcpEvents){break;}
+const contentStartEvent=contentIndex<contentStartEvents.length?contentStartEvents[contentIndex]:null;if(contentStartEvent&&contentStartEvent.start<loopStartEvent.start){contentIndex++;continue;}
+const navEvent=navIndex<navigationEvents.length?navigationEvents[navIndex]:null;if(navEvent&&navEvent.start<loopStartEvent.start){navIndex++;continue;}
+const fcpEvent=firstContentfulPaintEvents[fcpIndex];if(fcpEvent.start<loopStartEvent.start){fcpIndex++;continue;}
 loopStartIndex++;if(fcpIndex<2){continue;}
-messageLoopStartHistogram.addSample(startEvent.duration,{events:new tr.v.d.RelatedEventSet([startEvent])});if(contentStartEvent){contentStartHistogram.addSample(contentStartEvent.start-startEvent.start,{events:new tr.v.d.RelatedEventSet([startEvent,contentStartEvent])});}
-if(navEvent){navigationStartHistogram.addSample(navEvent.start-startEvent.start,{events:new tr.v.d.RelatedEventSet([startEvent,navEvent])});navigationCommitHistogram.addSample(navEvent.end-startEvent.start,{events:new tr.v.d.RelatedEventSet([startEvent,navEvent])});}
-firstContentfulPaintHistogram.addSample(fcpEvent.end-startEvent.start,{events:new tr.v.d.RelatedEventSet([startEvent,fcpEvent])});}}
+messageLoopStartHistogram.addSample(loopStartEvent.duration,{events:new tr.v.d.RelatedEventSet([loopStartEvent])});if(contentStartEvent){contentStartHistogram.addSample(contentStartEvent.start-loopStartEvent.start,{events:new tr.v.d.RelatedEventSet([loopStartEvent,contentStartEvent])});}
+if(navEvent){navigationStartHistogram.addSample(navEvent.start-loopStartEvent.start,{events:new tr.v.d.RelatedEventSet([loopStartEvent,navEvent])});navigationCommitHistogram.addSample(navEvent.end-loopStartEvent.start,{events:new tr.v.d.RelatedEventSet([loopStartEvent,navEvent])});}
+firstContentfulPaintHistogram.addSample(fcpEvent.end-loopStartEvent.start,{events:new tr.v.d.RelatedEventSet([loopStartEvent,fcpEvent])});if(applicationStartEvent){applicationStartHistogram.addSample(applicationStartEvent.duration,{events:new tr.v.d.RelatedEventSet([applicationStartEvent])});}}}
 tr.metrics.MetricRegistry.register(androidStartupMetric);return{androidStartupMetric,};});'use strict';tr.exportTo('tr.metrics.sh',function(){const MAX_INPUT_EVENT_TO_STARTUP_DELAY_IN_MS=2000;const MIN_DRAW_DELAY_IN_MS=80;const MAX_DRAW_DELAY_IN_MS=2000;function findProcess(processName,model){for(const pid in model.processes){const process=model.processes[pid];if(process.name===processName){return process;}}
 return undefined;}
 function findThreads(process,threadPrefix){if(process===undefined)return undefined;const threads=[];for(const tid in process.threads){const thread=process.threads[tid];if(thread.name.startsWith(threadPrefix)){threads.push(thread);}}
@@ -8351,6 +8137,7 @@
 function isFullMarkCompactorEvent(event){return event.title==='V8.GCCompactor';}
 function isMarkCompactorSummaryEvent(event){return event.title==='V8.GCMarkCompactorSummary';}
 function isMarkCompactorMarkingSummaryEvent(event){return event.title==='V8.GCMarkCompactorMarkingSummary';}
+function isScavengerStackScanningEvent(event){return event.title==='V8.GCScavengerStackScanning';}
 function isIncrementalMarkingEvent(event){return event.title.startsWith('V8.GCIncrementalMarking');}
 function isLatencyMarkCompactorEvent(event){return event.title==='V8.GCFinalizeMC';}
 function isMemoryMarkCompactorEvent(event){return event.title==='V8.GCFinalizeMCReduceMemory';}
@@ -8367,7 +8154,7 @@
 return TOP_GC_EVENTS[event.title];}
 function topGarbageCollectionEventNames(){return Object.values(TOP_GC_EVENTS);}
 function subGarbageCollectionEventName(event){const topEvent=findParent(event,isTopGarbageCollectionEvent);const prefix=topEvent?topGarbageCollectionEventName(topEvent):'unknown';const name=event.title.replace('V8.GC_MC_','').replace('V8.GC_SCAVENGER_','').replace('V8.GC_','').replace(/_/g,'-').toLowerCase();return prefix+'-'+name;}
-function jsExecutionThreads(model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);let threads=[];for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(rendererHelper.isChromeTracingUI)continue;threads.push(rendererHelper.mainThread);threads=threads.concat(rendererHelper.dedicatedWorkerThreads);threads=threads.concat(rendererHelper.foregroundWorkerThreads);}
+function jsExecutionThreads(model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);let threads=[];for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(rendererHelper.isChromeTracingUI)continue;threads.push(rendererHelper.mainThread);threads=threads.concat(rendererHelper.dedicatedWorkerThreads);threads=threads.concat(rendererHelper.serviceWorkerThreads);threads=threads.concat(rendererHelper.foregroundWorkerThreads);}
 return threads;}
 function groupAndProcessEvents(model,filterCallback,groupCallback,processCallback,groups){const groupToEvents={};if(groups){for(const group of groups){groupToEvents[group]=[];}}
 const threads=jsExecutionThreads(model);for(const thread of threads){for(const event of thread.sliceGroup.childEvents()){if(!filterCallback(event))continue;const group=groupCallback(event);if(groups&&!(group in groupToEvents)){continue;}
@@ -8375,6 +8162,8 @@
 for(const[group,events]of Object.entries(groupToEvents)){processCallback(group,events);}}
 function filterEvents(model,filterCallback){const threads=jsExecutionThreads(model);const events=[];for(const thread of threads){for(const event of thread.sliceGroup.childEvents()){if(!filterCallback(event))continue;events.push(event);}}
 return events;}
+function filterAndOrderEvents(model,filterCallback,keyCallback){const threads=jsExecutionThreads(model);const events={};for(const thread of threads){for(const event of thread.sliceGroup.childEvents()){if(!filterCallback(event))continue;const key=keyCallback(event);if(events[key]){events[key].push(event);}else{events[key]=[event];}}}
+return events;}
 function unionOfIntervals(intervals){if(intervals.length===0)return[];return tr.b.math.mergeRanges(intervals.map(x=>{return{min:x.start,max:x.end};}),1e-6,function(ranges){return{start:ranges.reduce((acc,x)=>Math.min(acc,x.min),ranges[0].min),end:ranges.reduce((acc,x)=>Math.max(acc,x.max),ranges[0].max)};});}
 function hasV8Stats(globalMemoryDump){let v8stats=undefined;globalMemoryDump.iterateContainerDumps(function(dump){v8stats=v8stats||dump.getMemoryAllocatorDumpByFullName('v8');});return!!v8stats;}
 function rangeForMemoryDumps(model){const startOfFirstDumpWithV8=model.globalMemoryDumps.filter(hasV8Stats).reduce((start,dump)=>Math.min(start,dump.start),Infinity);if(startOfFirstDumpWithV8===Infinity)return new tr.b.math.Range();return tr.b.math.Range.fromExplicitRange(startOfFirstDumpWithV8,Infinity);}
@@ -8389,8 +8178,10 @@
 function addMutatorUtilization(metricName,eventFilter,timeWindows,rendererHelpers,histograms){const histogramMap=new Map();for(const timeWindow of timeWindows){const summaryOptions={avg:false,count:false,max:false,min:true,std:false,sum:false};const description=`The minimum mutator utilization in ${timeWindow}ms time window`;const histogram=histograms.createHistogram(`${metricName}-${timeWindow}ms_window`,tr.b.Unit.byName.normalizedPercentage_biggerIsBetter,[],{summaryOptions,description});histogramMap.set(timeWindow,histogram);}
 for(const rendererHelper of rendererHelpers){if(rendererHelper.isChromeTracingUI)continue;if(rendererHelper.mainThread===undefined)continue;const pauses=[];for(const event of rendererHelper.mainThread.sliceGroup.childEvents()){if(eventFilter(event)&&event.end>event.start){pauses.push({start:event.start,end:event.end});}}
 pauses.sort((a,b)=>a.start-b.start);const start=rendererHelper.mainThread.bounds.min;const end=rendererHelper.mainThread.bounds.max;for(const timeWindow of timeWindows){const mu=mutatorUtilization(start,end,timeWindow,pauses);histogramMap.get(timeWindow).addSample(mu.min);}}}
-return{addMutatorUtilization,findParent,forcedGCEventName,filterEvents,groupAndProcessEvents,isForcedGarbageCollectionEvent,isFullMarkCompactorEvent,isGarbageCollectionEvent,isIdleTask,isIncrementalMarkingEvent,isLatencyMarkCompactorEvent,isLowMemoryEvent,isMarkCompactorSummaryEvent,isMarkCompactorMarkingSummaryEvent,isMemoryMarkCompactorEvent,isNotForcedMarkCompactorEvent,isNotForcedTopGarbageCollectionEvent,isNotForcedSubGarbageCollectionEvent,isScavengerEvent,isSubGarbageCollectionEvent,isTopGarbageCollectionEvent,isTopV8ExecuteEvent,isV8Event,isV8ExecuteEvent,isV8RCSEvent,isCompileRCSCategory,isCompileOptimizeRCSCategory,isCompileUnoptimizeRCSCategory,isCompileParseRCSCategory,mutatorUtilization,rangeForMemoryDumps,subGarbageCollectionEventName,topGarbageCollectionEventName,topGarbageCollectionEventNames,unionOfIntervals,};});'use strict';tr.exportTo('tr.metrics.blink',function(){const BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP={'BlinkGC.AtomicPauseMarkEpilogue':'blink-gc-atomic-pause-mark-epilogue','BlinkGC.AtomicPauseMarkPrologue':'blink-gc-atomic-pause-mark-prologue','BlinkGC.AtomicPauseMarkRoots':'blink-gc-atomic-pause-mark-roots','BlinkGC.IncrementalMarkingStartMarking':'blink-gc-incremental-start','BlinkGC.IncrementalMarkingStep':'blink-gc-incremental-step','BlinkGC.UnifiedMarkingStep':'blink-gc-unified-marking-by-v8','BlinkGC.CompleteSweep':'blink-gc-complete-sweep','BlinkGC.LazySweepInIdle':'blink-gc-sweep-task-foreground','BlinkGC.LazySweepOnAllocation':'blink-gc-sweep-allocation','BlinkGC.AtomicPauseSweepAndCompact':'blink-gc-atomic-pause-sweep-and-compact'};const BLINK_TOP_GC_ROOTS_MARKING_EVENTS=['BlinkGC.VisitRoots'];const BLINK_GC_ATOMIC_PAUSE_TRANSITIVE_CLOSURE_EVENTS=['BlinkGC.AtomicPauseMarkTransitiveClosure'];const BLINK_GC_FOREGROUND_MARKING_TRANSITIVE_CLOSURE_EVENTS=['BlinkGC.AtomicPauseMarkTransitiveClosure','BlinkGC.IncrementalMarkingStep','BlinkGC.UnifiedMarkingStep'];const BLINK_TOP_GC_FOREGROUND_MARKING_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.IncrementalMarkingStartMarking',].concat(BLINK_GC_FOREGROUND_MARKING_TRANSITIVE_CLOSURE_EVENTS);const BLINK_TOP_GC_BACKGROUND_MARKING_EVENTS=['BlinkGC.ConcurrentMarkingStep'];const BLINK_TOP_GC_FOREGROUND_SWEEPING_EVENTS=['BlinkGC.CompleteSweep','BlinkGC.LazySweepInIdle','BlinkGC.LazySweepOnAllocation'];const BLINK_TOP_GC_BACKGROUND_SWEEPING_EVENTS=['BlinkGC.ConcurrentSweepingStep'];const BLINK_TOP_GC_EVENTS=Object.keys(BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP).concat(BLINK_GC_ATOMIC_PAUSE_TRANSITIVE_CLOSURE_EVENTS);const ATOMIC_PAUSE_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.AtomicPauseMarkTransitiveClosure','BlinkGC.AtomicPauseSweepAndCompact'];function blinkGarbageCollectionEventName(event){return BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP[event.title];}
+return{addMutatorUtilization,findParent,forcedGCEventName,filterEvents,filterAndOrderEvents,groupAndProcessEvents,isForcedGarbageCollectionEvent,isFullMarkCompactorEvent,isGarbageCollectionEvent,isIdleTask,isIncrementalMarkingEvent,isLatencyMarkCompactorEvent,isLowMemoryEvent,isMarkCompactorSummaryEvent,isMarkCompactorMarkingSummaryEvent,isMemoryMarkCompactorEvent,isNotForcedMarkCompactorEvent,isNotForcedTopGarbageCollectionEvent,isNotForcedSubGarbageCollectionEvent,isScavengerEvent,isScavengerStackScanningEvent,isSubGarbageCollectionEvent,isTopGarbageCollectionEvent,isTopV8ExecuteEvent,isV8Event,isV8ExecuteEvent,isV8RCSEvent,isCompileRCSCategory,isCompileOptimizeRCSCategory,isCompileUnoptimizeRCSCategory,isCompileParseRCSCategory,mutatorUtilization,rangeForMemoryDumps,subGarbageCollectionEventName,topGarbageCollectionEventName,topGarbageCollectionEventNames,unionOfIntervals,};});'use strict';tr.exportTo('tr.metrics.blink',function(){const BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP={'BlinkGC.AtomicPauseMarkEpilogue':'blink-gc-atomic-pause-mark-epilogue','BlinkGC.AtomicPauseMarkPrologue':'blink-gc-atomic-pause-mark-prologue','BlinkGC.AtomicPauseMarkRoots':'blink-gc-atomic-pause-mark-roots','BlinkGC.IncrementalMarkingStartMarking':'blink-gc-incremental-start','BlinkGC.IncrementalMarkingStep':'blink-gc-incremental-step','BlinkGC.UnifiedMarkingStep':'blink-gc-unified-marking-by-v8','BlinkGC.CompleteSweep':'blink-gc-complete-sweep','BlinkGC.LazySweepInIdle':'blink-gc-sweep-task-foreground','BlinkGC.LazySweepOnAllocation':'blink-gc-sweep-allocation','BlinkGC.AtomicPauseSweepAndCompact':'blink-gc-atomic-pause-sweep-and-compact'};const BLINK_NON_AGGREGATED_GC_EVENTS_NEW_NAMES_MAP={'BlinkGC.AtomicPauseMarkEpilogue':'blink:gc:main_thread:cycle:full:atomic:mark:epilogue','BlinkGC.AtomicPauseMarkPrologue':'blink:gc:main_thread:cycle:full:atomic:mark:prologue','BlinkGC.AtomicPauseMarkRoots':'blink:gc:main_thread:cycle:full:atomic:mark:roots','BlinkGC.IncrementalMarkingStartMarking':'blink:gc:main_thread:cycle:full:incremental:mark:start','BlinkGC.IncrementalMarkingStep':'blink:gc:main_thread:cycle:full:incremental:mark:step','BlinkGC.UnifiedMarkingStep':'unified:gc:main_thread:cycle:full:mark:step','BlinkGC.CompleteSweep':'blink:gc:main_thread:cycle:full:sweep:complete','BlinkGC.LazySweepInIdle':'blink:gc:main_thread:cycle:full:sweep:idle','BlinkGC.LazySweepOnAllocation':'blink:gc:main_thread:cycle:full:sweep:on_allocation','BlinkGC.AtomicPauseSweepAndCompact':'blink:gc:main_thread:cycle:full:atomic:sweep:compact'};const BLINK_TOP_GC_ROOTS_MARKING_EVENTS=['BlinkGC.VisitRoots'];const BLINK_GC_ATOMIC_PAUSE_TRANSITIVE_CLOSURE_EVENTS=['BlinkGC.AtomicPauseMarkTransitiveClosure'];const BLINK_GC_FOREGROUND_MARKING_TRANSITIVE_CLOSURE_EVENTS=['BlinkGC.AtomicPauseMarkTransitiveClosure','BlinkGC.IncrementalMarkingStep','BlinkGC.UnifiedMarkingStep'];const BLINK_TOP_GC_FOREGROUND_MARKING_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.IncrementalMarkingStartMarking',].concat(BLINK_GC_FOREGROUND_MARKING_TRANSITIVE_CLOSURE_EVENTS);const BLINK_GC_FORCED_FOREGROUND_MARKING_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.IncrementalMarkingStartMarking','BlinkGC.MarkBailOutObjects','BlinkGC.MarkFlushV8References','BlinkGC.MarkFlushEphemeronPairs',];const BLINK_TOP_GC_BACKGROUND_MARKING_EVENTS=['BlinkGC.ConcurrentMarkingStep'];const BLINK_TOP_GC_FOREGROUND_SWEEPING_EVENTS=['BlinkGC.CompleteSweep','BlinkGC.LazySweepInIdle','BlinkGC.LazySweepOnAllocation'];const BLINK_TOP_GC_BACKGROUND_SWEEPING_EVENTS=['BlinkGC.ConcurrentSweepingStep'];const BLINK_TOP_GC_EVENTS=Object.keys(BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP).concat(BLINK_GC_ATOMIC_PAUSE_TRANSITIVE_CLOSURE_EVENTS);const ATOMIC_PAUSE_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.AtomicPauseMarkTransitiveClosure','BlinkGC.AtomicPauseSweepAndCompact'];function blinkGarbageCollectionEventName(event){return BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP[event.title];}
 function blinkGarbageCollectionEventNames(){return Object.values(BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP);}
+function blinkGarbageCollectionEventNewName(event){return BLINK_NON_AGGREGATED_GC_EVENTS_NEW_NAMES_MAP[event.title];}
+function blinkGarbageCollectionEventNewNames(){return Object.values(BLINK_NON_AGGREGATED_GC_EVENTS_NEW_NAMES_MAP);}
 function isNonForcedEvent(event){return(!event.args||!event.args.forced)&&!tr.metrics.v8.utils.isForcedGarbageCollectionEvent(event);}
 function isNonForcedBlinkGarbageCollectionEvent(event){return BLINK_TOP_GC_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonForcedNonAggregatedBlinkGarbageCollectionEvent(event){return event.title in BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP&&isNonForcedEvent(event);}
@@ -8401,35 +8192,33 @@
 function
 isNonForcedBlinkGarbageCollectionAtomicPauseTransitiveColsureEvent(event){return BLINK_GC_ATOMIC_PAUSE_TRANSITIVE_CLOSURE_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonForcedBlinkGarbageCollectionForegroundMarkingEvent(event){return BLINK_TOP_GC_FOREGROUND_MARKING_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
+function isNonForcedBlinkGarbageCollectionForcedForegroundMarkEvent(event){return BLINK_GC_FORCED_FOREGROUND_MARKING_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonForcedBlinkGarbageCollectionBackgroundMarkingEvent(event){return BLINK_TOP_GC_BACKGROUND_MARKING_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonForcedBlinkGarbageCollectionForegroundSweepingEvent(event){return BLINK_TOP_GC_FOREGROUND_SWEEPING_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonForcedBlinkGarbageCollectionBackgroundSweepingEvent(event){return BLINK_TOP_GC_BACKGROUND_SWEEPING_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonNestedNonForcedBlinkGarbageCollectionEvent(event){return isNonForcedBlinkGarbageCollectionEvent(event)&&!tr.metrics.v8.utils.findParent(event,tr.metrics.v8.utils.isGarbageCollectionEvent);}
-function blinkGcMetric(histograms,model){addDurationOfTopEvents(histograms,model);addDurationOfAtomicPause(histograms,model);addDurationOfAtomicPauseTransitiveClosure(histograms,model);addTotalDurationOfTopEvents(histograms,model);addTotalDurationOfBlinkAndV8TopEvents(histograms,model);addTotalDurationOfRootsMarking(histograms,model);addTotalDurationOfMarkingTransitiveClosure(histograms,model);addTotalDurationOfForegroundMarking(histograms,model);addTotalDurationOfBackgroundMarking(histograms,model);addTotalDurationOfForegroundSweeping(histograms,model);addTotalDurationOfBackgroundSweeping(histograms,model);}
-tr.metrics.MetricRegistry.register(blinkGcMetric);const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,20,200).addExponentialBins(200,100);function createNumericForTopEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:true,max:true,min:false,std:true,sum:true,percentile:[0.90]});return n;}
-function createNumericForTotalEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:false,count:true,max:false,min:false,std:false,sum:true,percentile:[0.90]});return n;}
-function createNumericForUnifiedEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:false,count:true,max:true,min:false,std:false,sum:true,percentile:[0.90]});return n;}
-function addDurationOfTopEvents(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedNonAggregatedBlinkGarbageCollectionEvent,blinkGarbageCollectionEventName,function(name,events){const cpuDuration=createNumericForTopEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},blinkGarbageCollectionEventNames());}
-function addDurationOfAtomicPause(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionAtomicPauseEvent,event=>event.args.epoch,function(group,events){const cpuDuration=createNumericForTopEventTime('blink-gc-atomic-pause');cpuDuration.addSample(events.reduce((acc,current)=>acc+current.cpuDuration,0));histograms.addHistogram(cpuDuration);});}
-function addDurationOfAtomicPauseTransitiveClosure(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionAtomicPauseTransitiveColsureEvent,event=>event.args.epoch,function(group,events){const cpuDuration=createNumericForTopEventTime('blink-gc-atomic-pause-mark-transitive-closure');cpuDuration.addSample(events.reduce((acc,current)=>acc+current.cpuDuration,0));histograms.addHistogram(cpuDuration);});}
-function addTotalDurationOfTopEvents(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionEvent,event=>'blink-gc-total',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-total']);}
-function addTotalDurationOfRootsMarking(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionRootsMarkingEvent,event=>'blink-gc-mark-roots',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-mark-roots']);}
-function addTotalDurationOfMarkingTransitiveClosure(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionMarkingTransitiveColsureEvent,event=>'blink-gc-mark-transitive-closure',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-mark-transitive-closure']);}
-function addTotalDurationOfForegroundMarking(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionForegroundMarkingEvent,event=>'blink-gc-mark-foreground',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-mark-foreground']);}
-function addTotalDurationOfBackgroundMarking(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionBackgroundMarkingEvent,event=>'blink-gc-mark-background',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-mark-background']);}
-function addTotalDurationOfForegroundSweeping(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionForegroundSweepingEvent,event=>'blink-gc-sweep-foreground',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-sweep-foreground']);}
-function addTotalDurationOfBackgroundSweeping(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionBackgroundSweepingEvent,event=>'blink-gc-sweep-background',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-sweep-background']);}
+function blinkGcMetric(histograms,model){addDurationOfTopEvents(histograms,model);addDurationOfAtomicPause(histograms,model);addDurationOfAtomicPauseTransitiveClosure(histograms,model);addTotalDurationOfTopEvents(histograms,model);addTotalDurationOfBlinkAndV8TopEvents(histograms,model);addTotalDurationOfRootsMarking(histograms,model);addTotalDurationOfMarkingTransitiveClosure(histograms,model);addTotalDurationOfForegroundMarking(histograms,model);addTotalDurationOfForcedForegroundMarking(histograms,model);addTotalDurationOfBackgroundMarking(histograms,model);addTotalDurationOfForegroundSweeping(histograms,model);addTotalDurationOfBackgroundSweeping(histograms,model);}
+function getEventEpochUniqueId(event){return event.parentContainer.parent.stableId+':'+event.args.epoch;}
+tr.metrics.MetricRegistry.register(blinkGcMetric);const CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,20,200).addExponentialBins(200,100);function createNumericForEventTime(name){const n=new tr.v.Histogram(name,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:true,max:true,min:true,std:true,sum:true,percentile:[0.90]});return n;}
+function addDurationOfTopEvents(histograms,model){const nameToNumeric={};const nameToEpochNumeric={};for(const name of blinkGarbageCollectionEventNames()){nameToNumeric[name]=createNumericForEventTime(name);}
+for(const name of blinkGarbageCollectionEventNewNames()){nameToEpochNumeric[name]=createNumericForEventTime(name);}
+tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedNonAggregatedBlinkGarbageCollectionEvent,getEventEpochUniqueId,function(epoch,events){const namesToPerEpochDurations={};for(const event of events){nameToNumeric[blinkGarbageCollectionEventName(event)].addSample(event.cpuDuration);const name=blinkGarbageCollectionEventNewName(event);namesToPerEpochDurations[name]=(namesToPerEpochDurations[name]||0)+event.cpuDuration;}
+for(const name in namesToPerEpochDurations){nameToEpochNumeric[name].addSample(namesToPerEpochDurations[name]);}});for(const name of blinkGarbageCollectionEventNames()){histograms.addHistogram(nameToNumeric[name]);}
+for(const name of blinkGarbageCollectionEventNewNames()){histograms.addHistogram(nameToEpochNumeric[name]);}}
+function addIndividualDurationsOfEvents(histograms,model,name,filter){const cpuDuration=createNumericForEventTime(name);tr.metrics.v8.utils.groupAndProcessEvents(model,filter,event=>name,function(group,events){for(const event of events){cpuDuration.addSample(event.cpuDuration);}},[name]);histograms.addHistogram(cpuDuration);}
+function addPerEpochDurationsOfEvents(histograms,model,name,filter){const cpuDuration=createNumericForEventTime(name);tr.metrics.v8.utils.groupAndProcessEvents(model,filter,getEventEpochUniqueId,function(epoch,events){cpuDuration.addSample(events.reduce((acc,current)=>acc+current.cpuDuration,0));});histograms.addHistogram(cpuDuration);}
+function addDurationOfAtomicPause(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-atomic-pause',isNonForcedBlinkGarbageCollectionAtomicPauseEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:atomic',isNonForcedBlinkGarbageCollectionAtomicPauseEvent);}
+function addDurationOfAtomicPauseTransitiveClosure(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-atomic-pause-mark-transitive-closure',isNonForcedBlinkGarbageCollectionAtomicPauseTransitiveColsureEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:atomic:mark:transitive_closure',isNonForcedBlinkGarbageCollectionAtomicPauseTransitiveColsureEvent);}
+function addTotalDurationOfTopEvents(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-total',isNonForcedBlinkGarbageCollectionEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full',isNonForcedBlinkGarbageCollectionEvent);}
+function addTotalDurationOfRootsMarking(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-mark-roots',isNonForcedBlinkGarbageCollectionRootsMarkingEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:mark:roots',isNonForcedBlinkGarbageCollectionRootsMarkingEvent);}
+function addTotalDurationOfMarkingTransitiveClosure(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-mark-transitive-closure',isNonForcedBlinkGarbageCollectionMarkingTransitiveColsureEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:mark:transitive_closure',isNonForcedBlinkGarbageCollectionMarkingTransitiveColsureEvent);}
+function addTotalDurationOfForegroundMarking(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-mark-foreground',isNonForcedBlinkGarbageCollectionForegroundMarkingEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:mark',isNonForcedBlinkGarbageCollectionForegroundMarkingEvent);}
+function addTotalDurationOfForcedForegroundMarking(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-mark-foreground-forced',isNonForcedBlinkGarbageCollectionForcedForegroundMarkEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:mark:forced',isNonForcedBlinkGarbageCollectionForcedForegroundMarkEvent);}
+function addTotalDurationOfBackgroundMarking(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-mark-background',isNonForcedBlinkGarbageCollectionBackgroundMarkingEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:concurrent_thread:cycle:full:mark',isNonForcedBlinkGarbageCollectionBackgroundMarkingEvent);}
+function addTotalDurationOfForegroundSweeping(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-sweep-foreground',isNonForcedBlinkGarbageCollectionForegroundSweepingEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:sweep',isNonForcedBlinkGarbageCollectionForegroundSweepingEvent);}
+function addTotalDurationOfBackgroundSweeping(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-sweep-background',isNonForcedBlinkGarbageCollectionBackgroundSweepingEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:concurrent_thread:cycle:full:sweep',isNonForcedBlinkGarbageCollectionBackgroundSweepingEvent);}
 function isV8OrBlinkTopLevelGarbageCollectionEvent(event){return tr.metrics.v8.utils.isNotForcedTopGarbageCollectionEvent(event)||isNonNestedNonForcedBlinkGarbageCollectionEvent(event);}
-function addTotalDurationOfBlinkAndV8TopEvents(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isV8OrBlinkTopLevelGarbageCollectionEvent,event=>'unified-gc-total',function(name,events){const cpuDuration=createNumericForUnifiedEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['unified-gc-total']);}
+function addTotalDurationOfBlinkAndV8TopEvents(histograms,model){addIndividualDurationsOfEvents(histograms,model,'unified-gc-total',isV8OrBlinkTopLevelGarbageCollectionEvent);}
 return{blinkGcMetric,};});'use strict';tr.exportTo('tr.metrics.blink',function(){function leakDetectionMetric(histograms,model){const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(modelHelper===undefined){throw new Error('Chrome is not present.');}
 const rendererHelpers=modelHelper.rendererHelpers;if(Object.keys(rendererHelpers).length===0){throw new Error('Renderer process is not present.');}
 const pids=Object.keys(rendererHelpers);const chromeDumps=tr.metrics.sh.splitGlobalDumpsByBrowserName(model,undefined).get('chrome');const sumCounter=new Map();for(const pid of pids){for(const[key,count]of countLeakedBlinkObjects(chromeDumps,pid)){sumCounter.set(key,(sumCounter.get(key)||0)+count);}}
@@ -8440,10 +8229,11 @@
 return diffCounter;}
 function countBlinkObjects(dump,pid){const counter=new Map();const processesMemoryDumps=dump.processMemoryDumps;if(processesMemoryDumps[pid]===undefined)return counter;const blinkObjectsDump=processesMemoryDumps[pid].memoryAllocatorDumps.find(dump=>dump.fullName==='blink_objects');for(const v of blinkObjectsDump.children){counter.set(v.name,v.numerics.object_count.value);}
 return counter;}
-return{leakDetectionMetric,};});'use strict';tr.exportTo('tr.metrics.console',function(){const COUNT_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1e4,30);const SUMMARY_OPTIONS=tr.v.Histogram.AVERAGE_ONLY_SUMMARY_OPTIONS;const SOURCES=['all','js','network'];function consoleErrorMetric(histograms,model){const counts={};for(const source of SOURCES){counts[source]=0;}
-for(const slice of model.getDescendantEvents()){if(slice.category==='blink.console'&&slice.title==='ConsoleMessage::Error'){const source=slice.args.source.toLowerCase();counts.all++;if(source in counts){counts[source]++;}}
-if(slice.category==='v8.console'&&(slice.title==='V8ConsoleMessage::Exception'||slice.title==='V8ConsoleMessage::Error'||slice.title==='V8ConsoleMessage::Assert')){counts.all++;counts.js++;}}
-for(const source of SOURCES){histograms.createHistogram(`console:error:${source}`,tr.b.Unit.byName.count_smallerIsBetter,counts[source],{description:`Number of ${source} console error messages`,summaryOptions:SUMMARY_OPTIONS});}}
+return{leakDetectionMetric,};});'use strict';tr.exportTo('tr.metrics.console',function(){const COUNT_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1e4,30);const SUMMARY_OPTIONS=tr.v.Histogram.AVERAGE_ONLY_SUMMARY_OPTIONS;const SOURCES=['all','js','network'];function consoleErrorMetric(histograms,model){const counts={};for(const source of SOURCES){counts[source]={count:0,details:[]};}
+for(const slice of model.getDescendantEvents()){if(slice.category==='blink.console'&&slice.title==='ConsoleMessage::Error'){const source=slice.args.source.toLowerCase();counts.all.count++;if(slice.args.message){counts.all.details.push({pid:slice.getProcess().pid,...slice.args.message});}
+if(source in counts){counts[source].count++;if(slice.args.message){counts[source].details.push({pid:slice.getProcess().pid,...slice.args.message});}}}
+if(slice.category==='v8.console'&&(slice.title==='V8ConsoleMessage::Exception'||slice.title==='V8ConsoleMessage::Error'||slice.title==='V8ConsoleMessage::Assert')){counts.all.count++;counts.js.count++;}}
+for(const source of SOURCES){const hist=histograms.createHistogram(`console:error:${source}`,tr.b.Unit.byName.count_smallerIsBetter,{value:counts[source].count,diagnostics:{details:new tr.v.d.GenericSet(counts[source].details)}},{description:`Number of ${source} console error messages`,summaryOptions:SUMMARY_OPTIONS,});}}
 tr.metrics.MetricRegistry.register(consoleErrorMetric);return{consoleErrorMetric,};});'use strict';tr.exportTo('tr.metrics.sh',function(){function getCpuSnapshotsFromModel(model){const snapshots=[];for(const pid in model.processes){const snapshotInstances=model.processes[pid].objects.getAllInstancesNamed('CPUSnapshots');if(!snapshotInstances)continue;for(const object of snapshotInstances[0].snapshots){snapshots.push(object.args.processes);}}
 return snapshots;}
 function getProcessSumsFromSnapshot(snapshot){const processSums=new Map();for(const processData of snapshot){const processName=processData.name;if(!(processSums.has(processName))){processSums.set(processName,{sum:0.0,paths:new Set()});}
@@ -8458,7 +8248,7 @@
 tr.metrics.MetricRegistry.register(cpuProcessMetric);return{cpuProcessMetric,};});'use strict';tr.exportTo('tr.metrics',function(){function mediaMetric(histograms,model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(chromeHelper===undefined)return;for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){const mainThread=rendererHelper.mainThread;if(mainThread===undefined)continue;const videoThreads=rendererHelper.process.findAllThreadsMatching(thread=>(thread.name?thread.name.startsWith('ThreadPoolSingleThreadSharedForegroundBlocking'):false));const compositorThread=rendererHelper.compositorThread;if(compositorThread!==undefined){videoThreads.push(compositorThread);}
 const audioThreads=rendererHelper.process.findAllThreadsNamed('AudioOutputDevice');if(audioThreads.length===0&&videoThreads.length===0)continue;const processData=new PerProcessData();processData.recordPlayStarts(mainThread);if(!processData.hasPlaybacks)continue;if(videoThreads.length!==0){processData.calculateTimeToVideoPlays(videoThreads);processData.calculateDroppedFrameCounts(videoThreads);}
 if(audioThreads.length!==0){processData.calculateTimeToAudioPlays(audioThreads);}
-processData.calculateSeekTimes(mainThread);processData.calculateBufferingTimes(mainThread);processData.addMetricToHistograms(histograms);}}
+processData.calculateSeekTimes(mainThread);processData.calculateBufferingTimes(mainThread);const allThreads=rendererHelper.process.findAllThreadsMatching(function(){return true;});processData.calculateVideoPlaybackQuality(allThreads);processData.addMetricToHistograms(histograms);}}
 class PerProcessData{constructor(){this.playbackIdToDataMap_=new Map();}
 recordPlayStarts(mainThread){for(const event of mainThread.sliceGroup.getDescendantEvents()){if(event.title==='WebMediaPlayerImpl::DoLoad'){const id=event.args.id;if(this.playbackIdToDataMap_.has(id)){throw new Error('Unexpected multiple initialization of a media playback');}
 this.playbackIdToDataMap_.set(id,new PerPlaybackData(event.start));}}}
@@ -8468,15 +8258,18 @@
 calculateSeekTimes(mainThread){for(const event of mainThread.sliceGroup.getDescendantEvents()){if(event.title==='WebMediaPlayerImpl::DoSeek'){this.getPerPlaybackObject_(event.args.id).processDoSeek(event.args.target,event.start);}else if(event.title==='WebMediaPlayerImpl::OnPipelineSeeked'){this.getPerPlaybackObject_(event.args.id).processOnPipelineSeeked(event.args.target,event.start);}else if(event.title==='WebMediaPlayerImpl::BufferingHaveEnough'){this.getPerPlaybackObject_(event.args.id).processBufferingHaveEnough(event.start);}}}
 calculateBufferingTimes(mainThread){for(const event of mainThread.sliceGroup.getDescendantEvents()){if(event.title==='WebMediaPlayerImpl::OnEnded'){this.getPerPlaybackObject_(event.args.id).processOnEnded(event.start,event.args.duration);}}}
 calculateDroppedFrameCounts(videoThreads){for(const thread of videoThreads){for(const event of thread.sliceGroup.getDescendantEvents()){if(event.title==='VideoFramesDropped'){this.getPerPlaybackObject_(event.args.id).processVideoFramesDropped(event.args.count);}}}}
+calculateVideoPlaybackQuality(threads){for(const thread of threads){for(const event of thread.sliceGroup.getDescendantEvents()){if(event.title==='VideoPlaybackRoughness'){this.getPerPlaybackObject_(event.args.id).processVideoRoughness(event.args.roughness);}else if(event.title==='VideoPlaybackFreezing'){this.getPerPlaybackObject_(event.args.id).processVideoFreezing(event.args.freezing);}}}}
 addMetricToHistograms(histograms){for(const[id,playbackData]of this.playbackIdToDataMap_){playbackData.addMetricToHistograms(histograms);}}
 getPerPlaybackObject_(playbackId){let perPlaybackObject=this.playbackIdToDataMap_.get(playbackId);if(perPlaybackObject===undefined){perPlaybackObject=new PerPlaybackData(undefined);this.playbackIdToDataMap_.set(playbackId,perPlaybackObject);}
 return perPlaybackObject;}}
-class PerPlaybackData{constructor(playStartTime){this.playStart_=playStartTime;this.timeToVideoPlay_=undefined;this.timeToAudioPlay_=undefined;this.bufferingTime_=undefined;this.droppedFrameCount_=0;this.seekError_=false;this.seekTimes_=new Map();this.currentSeek_=undefined;}
+class PerPlaybackData{constructor(playStartTime){this.playStart_=playStartTime;this.timeToVideoPlay_=undefined;this.timeToAudioPlay_=undefined;this.bufferingTime_=undefined;this.droppedFrameCount_=0;this.seekError_=false;this.seekTimes_=new Map();this.currentSeek_=undefined;this.roughness_=undefined;this.freezing_=undefined;}
 get timeToVideoPlay(){return this.timeToVideoPlay_;}
 get timeToAudioPlay(){return this.timeToAudioPlay_;}
 get bufferingTime(){return this.bufferingTime_;}
 get droppedFrameCount(){return(this.timeToVideoPlay_!==undefined)?this.droppedFrameCount_:undefined;}
 get seekTimes(){if(this.seekError_||this.currentSeek_!==undefined)return new Map();return this.seekTimes_;}
+get roughness(){return this.roughness_;}
+get freezing(){return this.freezing_;}
 processVideoRenderTime(videoRenderTime){if(this.playStart_!==undefined&&this.timeToVideoPlay_===undefined){this.timeToVideoPlay_=videoRenderTime-this.playStart_;}}
 processAudioRenderTime(audioRenderTime){if(this.playStart_!==undefined&&this.timeToAudioPlay_===undefined){this.timeToAudioPlay_=audioRenderTime-this.playStart_;}}
 processVideoFramesDropped(count){this.droppedFrameCount_+=count;}
@@ -8490,22 +8283,26 @@
 if(currentSeek.pipelineSeekTime===undefined){return;}
 currentSeek.seekTime=time-currentSeek.startTime;this.currentSeek_=undefined;}
 processOnEnded(playEndTime,duration){if(this.playStart_===undefined)return;if(this.seekTimes_.size!==0||this.seekError_)return;if(this.bufferingTime_!==undefined)return;duration=tr.b.convertUnit(duration,tr.b.UnitPrefixScale.METRIC.NONE,tr.b.UnitPrefixScale.METRIC.MILLI);const playTime=playEndTime-this.playStart_;if(this.timeToVideoPlay_!==undefined){this.bufferingTime_=playTime-duration-this.timeToVideoPlay_;}else if(this.timeToAudioPlay!==undefined){this.bufferingTime_=playTime-duration-this.timeToAudioPlay_;}}
+processVideoRoughness(roughness){if(this.roughness_===undefined||this.roughness_>roughness){this.roughness_=roughness;}}
+processVideoFreezing(freezing){if(this.freezing_===undefined||this.freezing_>freezing){this.freezing_=freezing;}}
 addMetricToHistograms(histograms){this.addSample_(histograms,'time_to_video_play',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,this.timeToVideoPlay);this.addSample_(histograms,'time_to_audio_play',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,this.timeToAudioPlay);this.addSample_(histograms,'dropped_frame_count',tr.b.Unit.byName.count_smallerIsBetter,this.droppedFrameCount);for(const[key,value]of this.seekTimes.entries()){const keyString=key.toString().replace('.','_');this.addSample_(histograms,'pipeline_seek_time_'+keyString,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,value.pipelineSeekTime);this.addSample_(histograms,'seek_time_'+keyString,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,value.seekTime);}
-this.addSample_(histograms,'buffering_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,this.bufferingTime);}
+this.addSample_(histograms,'buffering_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,this.bufferingTime);this.addSample_(histograms,'roughness',tr.b.Unit.byName.count_smallerIsBetter,this.roughness);this.addSample_(histograms,'freezing',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,this.freezing);}
 addSample_(histograms,name,unit,sample){if(sample===undefined)return;const histogram=histograms.getHistogramNamed(name);if(histogram===undefined){histograms.createHistogram(name,unit,sample);}else{histogram.addSample(sample);}}}
-tr.metrics.MetricRegistry.register(mediaMetric);return{mediaMetric,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const UNKNOWN_THREAD_NAME='Unknown';const CATEGORY_THREAD_MAP=new Map();CATEGORY_THREAD_MAP.set('total_all',[/.*/]);CATEGORY_THREAD_MAP.set('browser',[/^Browser Compositor$/,/^CrBrowserMain$/]);CATEGORY_THREAD_MAP.set('display_compositor',[/^VizCompositorThread$/]);CATEGORY_THREAD_MAP.set('GPU',[/^Chrome_InProcGpuThread$/,/^CrGpuMain$/]);CATEGORY_THREAD_MAP.set('IO',[/IOThread/]);CATEGORY_THREAD_MAP.set('raster',[/CompositorTileWorker/]);CATEGORY_THREAD_MAP.set('renderer_compositor',[/^Compositor$/]);CATEGORY_THREAD_MAP.set('renderer_main',[/^CrRendererMain$/]);CATEGORY_THREAD_MAP.set('total_rendering',[/^Browser Compositor$/,/^Chrome_InProcGpuThread$/,/^Compositor$/,/CompositorTileWorker/,/^CrBrowserMain$/,/^CrGpuMain$/,/^CrRendererMain$/,/IOThread/,/^VizCompositorThread$/]);const ALL_CATEGORIES=[...CATEGORY_THREAD_MAP.keys(),'other'];function addValueToMap_(map,key,value){const oldValue=map.get(key)||0;map.set(key,oldValue+value);}
-function categoryShouldHaveBreakdown(category){return category==='total_all'||category==='total_rendering';}
+tr.metrics.MetricRegistry.register(mediaMetric);return{mediaMetric,};});'use strict';tr.exportTo('tr.metrics',function(){function memoryAblationMetric(histograms,model){const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!modelHelper.gpuHelper)return;const gpuProcess=modelHelper.gpuHelper.process;const events=[...gpuProcess.findTopmostSlicesNamed('Memory.GPU.PeakMemoryUsage.AblationTimes')];const allocHistogram=histograms.createHistogram('Ablation Alloc',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{binBoundaries:tr.v.HistogramBinBoundaries.createLinear(0,10000,20),description:'The amount of time spent allocating the ablation '+'memory',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const deallocHistogram=histograms.createHistogram('Ablation Dealloc',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{binBoundaries:tr.v.HistogramBinBoundaries.createLinear(0,10000,20),description:'The amount of time spent deallocating the ablation '+'memory',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});for(let i=0;i<events.length;i++){allocHistogram.addSample(events[i].args.alloc);deallocHistogram.addSample(events[i].args.dealloc);}}
+tr.metrics.MetricRegistry.register(memoryAblationMetric,{requiredCategories:['gpu.memory'],});return{memoryAblationMetric,};});'use strict';tr.exportTo('tr.metrics.pa',function(){function pcscanMetric(histograms,model){function createNumericForProcess(name,processName,desc){function createNumericForEventTime(name,desc){const n=new tr.v.Histogram(name,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);n.description=desc;n.customizeSummaryOptions({avg:true,count:true,max:true,min:true,std:true,sum:true});return n;}
+const scheme=['pa','pcscan',processName];if(name)scheme.push(name);return createNumericForEventTime(scheme.join(':'),desc);}
+function createHistsForProcess(processName){return{scan:createNumericForProcess('scan',processName,'Time for scanning heap for quarantine pointers'),sweep:createNumericForProcess('sweep',processName,'Time for sweeping quarantine'),clear:createNumericForProcess('clear',processName,'Time for clearing quarantine entries'),total:createNumericForProcess('',processName,'Total time for PCScan execution')};}
+function addSample(hists,slice){if(!(slice instanceof tr.model.ThreadSlice))return;if(slice.category!=='partition_alloc')return;if(slice.title==='PCScan.Scan'){hists.scan.addSample(slice.duration);}else if(slice.title==='PCScan.Sweep'){hists.sweep.addSample(slice.duration);}else if(slice.title==='PCScan.Clear'){hists.clear.addSample(slice.duration);}else if(slice.title==='PCScan'){hists.total.addSample(slice.duration);}}
+function addHistsForProcess(processHists,processHelpers){for(const helper of Object.values(processHelpers)){const processName=tr.e.chrome.chrome_processes.canonicalizeProcessName(helper.process.name);if(!processHists.has(processName)){processHists.set(processName,createHistsForProcess(processName));}
+for(const slice of helper.process.getDescendantEvents()){addSample(processHists.get(processName),slice);}}}
+const helper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const processHists=new Map();addHistsForProcess(processHists,helper.browserHelpers);addHistsForProcess(processHists,helper.rendererHelpers);for(const hists of processHists.values()){for(const hist of Object.values(hists)){histograms.addHistogram(hist);}}}
+tr.metrics.MetricRegistry.register(pcscanMetric);return{pcscanMetric,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const UNKNOWN_THREAD_NAME='Unknown';const CATEGORY_THREAD_MAP=new Map();CATEGORY_THREAD_MAP.set('total_all',[/.*/]);CATEGORY_THREAD_MAP.set('browser',[/^Browser Compositor$/,/^CrBrowserMain$/]);CATEGORY_THREAD_MAP.set('display_compositor',[/^VizCompositorThread$/]);CATEGORY_THREAD_MAP.set('GPU',[/^Chrome_InProcGpuThread$/,/^CrGpuMain$/]);CATEGORY_THREAD_MAP.set('IO',[/IOThread/]);CATEGORY_THREAD_MAP.set('raster',[/CompositorTileWorker/]);CATEGORY_THREAD_MAP.set('renderer_compositor',[/^Compositor$/]);CATEGORY_THREAD_MAP.set('renderer_main',[/^CrRendererMain$/]);CATEGORY_THREAD_MAP.set('total_rendering',[/^Browser Compositor$/,/^Chrome_InProcGpuThread$/,/^Compositor$/,/CompositorTileWorker/,/^CrBrowserMain$/,/^CrGpuMain$/,/^CrRendererMain$/,/IOThread/,/^VizCompositorThread$/]);const ALL_CATEGORIES=[...CATEGORY_THREAD_MAP.keys(),'other'];function addValueToMap_(map,key,value){const oldValue=map.get(key)||0;map.set(key,oldValue+value);}
+function addToArrayInMap_(map,key,value){const arr=map.get(key)||[];arr.push(value);map.set(key,arr);}
 function*getCategories_(threadName){let isOther=true;for(const[category,regexps]of CATEGORY_THREAD_MAP){for(const regexp of regexps){if(regexp.test(threadName)){if(category!=='total_all')isOther=false;yield category;break;}}}
 if(isOther)yield'other';}
-function isSubset_(regexps1,regexps2){for(const r1 of regexps1){if(regexps2.find(r2=>r2.toString()===r1.toString())===undefined){return false;}}
-return true;}
-function addCpuUtilizationHistograms(histograms,model,segments,segmentCostFunc,histogramNameFunc,description,unit){if(!unit)unit=tr.b.Unit.byName.unitlessNumber;const histogramMap=new Map();for(const category of ALL_CATEGORIES){const histogram=histograms.createHistogram(histogramNameFunc(category),unit,[],{binBoundaries:tr.v.HistogramBinBoundaries.createExponential(1,50,20),description,summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});histogramMap.set(category,histogram);}
-for(const[category,regexps]of CATEGORY_THREAD_MAP){const relatedCategories=new tr.v.d.RelatedNameMap();const histogram=histogramMap.get(category);for(const[otherCategory,otherRegexps]of CATEGORY_THREAD_MAP){if(otherCategory===category)continue;if(category!=='all'&&!isSubset_(otherRegexps,regexps))continue;const otherHistogram=histogramMap.get(otherCategory);relatedCategories.set(otherCategory,otherHistogram.name);}
-if([...relatedCategories.values()].length>0){histogram.diagnostics.set('breakdown',relatedCategories);}}
-for(const segment of segments){const threadValues=new Map();for(const thread of model.getAllThreads()){addValueToMap_(threadValues,thread.name||UNKNOWN_THREAD_NAME,segmentCostFunc(thread,segment));}
-const categoryValues=new Map();const breakdowns=new Map();for(const[threadName,coresPerSec]of threadValues){for(const category of getCategories_(threadName)){addValueToMap_(categoryValues,category,coresPerSec);if(!categoryShouldHaveBreakdown(category))continue;if(!breakdowns.has(category)){breakdowns.set(category,new tr.v.d.Breakdown());}
-breakdowns.get(category).set(threadName,coresPerSec);}}
-for(const category of ALL_CATEGORIES){const value=categoryValues.get(category)||0;const diagnostics=new tr.v.d.DiagnosticMap();const breakdown=breakdowns.get(category);if(breakdown)diagnostics.set('breakdown',breakdown);const histogram=histogramMap.get(category);histogram.addSample(value,diagnostics);}}}
+function addCpuUtilizationHistograms(histograms,model,segments,segmentCostFunc,histogramNameFunc,description){const categoryValues=new Map();for(const segment of segments){const threadValues=new Map();for(const thread of model.getAllThreads()){addValueToMap_(threadValues,thread.name||UNKNOWN_THREAD_NAME,segmentCostFunc(thread,segment));}
+for(const[threadName,coresPerSec]of threadValues){for(const category of getCategories_(threadName)){addToArrayInMap_(categoryValues,category,coresPerSec);}}}
+const unit=tr.b.Unit.byName.unitlessNumber_smallerIsBetter;for(const category of ALL_CATEGORIES){const values=categoryValues.get(category)||0;if(!values)continue;const avg=values.reduce((sum,e)=>sum+e,0)/segments.length;histograms.createHistogram(histogramNameFunc(category),unit,avg,{description,summaryOptions:{},});}}
 const SUMMARY_OPTIONS={percentile:[0.90,0.95],ci:[0.95],};return{addCpuUtilizationHistograms,SUMMARY_OPTIONS,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const PRESENT_EVENT='Display::FrameDisplayed';const DISPLAY_EVENT='BenchmarkInstrumentation::DisplayRenderingStats';const DRM_EVENT='DrmEventFlipComplete';const SURFACE_FLINGER_EVENT='vsync_before';const COMPOSITOR_FRAME_PRESENTED_EVENT='FramePresented';const MIN_FRAME_LENGTH=0.5;const MIN_FRAME_COUNT=10;const PAUSE_THRESHOLD=20;const ASH_ENVIRONMENT='ash';const BROWSER_ENVIRONMENT='browser';class FrameEvent{constructor(event){this.event_=event;}
 get eventStart(){return this.event_.start;}
 get frameStart(){if(this.event_.title!==DRM_EVENT)return this.event_.start;const data=this.event_.args.data;const TIME=tr.b.UnitScale.TIME;return tr.b.convertUnit(data['vblank.tv_sec'],TIME.SEC,TIME.MILLI_SEC)+
@@ -8531,11 +8328,11 @@
 return legacyEvents;}
 function computeFrameSegments_(events,segments,opt_minFrameCount){const minFrameCount=opt_minFrameCount||MIN_FRAME_COUNT;const frameEvents=events.map(e=>new FrameEvent(e));const frameSegments=[];for(const segment of segments){const filtered=segment.boundsRange.filterArray(frameEvents,x=>x.eventStart);if(filtered.length<minFrameCount)continue;for(let i=1;i<filtered.length;i++){const duration=filtered[i].frameStart-filtered[i-1].frameStart;frameSegments.push(new FrameSegment(filtered[i-1],duration));}}
 return frameSegments;}
-function addBasicFrameTimeHistograms_(histograms,frameSegments,prefix){const frameTimes=(frameSegments.length===0)?[0]:frameSegments.map(x=>x.duration);histograms.createHistogram(`${prefix}frame_times`,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,frameTimes,{binBoundaries:tr.v.HistogramBinBoundaries.createLinear(0,50,20),description:'Raw frame times.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});histograms.createHistogram(`${prefix}percentage_smooth`,tr.b.Unit.byName.unitlessNumber_biggerIsBetter,100*tr.b.math.Statistics.sum(frameTimes,(x=>(x<17?1:0)))/frameTimes.length,{description:'Percentage of frames that were hitting 60 FPS.',summaryOptions:{},});}
+function addBasicFrameTimeHistograms_(histograms,frameSegments,prefix){const frameTimes=(frameSegments.length===0)?[0]:frameSegments.map(x=>x.duration);histograms.createHistogram(`${prefix}frame_times`,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,frameTimes,{binBoundaries:tr.v.HistogramBinBoundaries.createLinear(0,50,20),description:'Raw frame times.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});}
 function addFrameTimeHistograms(histograms,model,segments,opt_minFrameCount){const minFrameCount=opt_minFrameCount||MIN_FRAME_COUNT;const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const events=getDisplayCompositorPresentationEvents_(modelHelper);if(!events)return;addFrameTimeHistogramsHelper(histograms,model,segments,events,'',true,minFrameCount);const eventsExp=getDisplayCompositorPresentationEventsExp_(modelHelper);if(eventsExp&&eventsExp.length>0){addFrameTimeHistogramsHelper(histograms,model,segments,eventsExp,'exp_',false,minFrameCount);}}
-function addFrameTimeHistogramsHelper(histograms,model,segments,events,prefix,addCpuMetrics,minFrameCount){const frameSegments=computeFrameSegments_(events,segments,minFrameCount);addBasicFrameTimeHistograms_(histograms,frameSegments,prefix+'');if(addCpuMetrics){tr.metrics.rendering.addCpuUtilizationHistograms(histograms,model,frameSegments,(thread,segment)=>thread.getCpuTimeForRange(segment.boundsRange),category=>`thread_${category}_cpu_time_per_frame`,'CPU cores of a thread group per frame',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);tr.metrics.rendering.addCpuUtilizationHistograms(histograms,model,frameSegments,(thread,segment)=>thread.getNumToplevelSlicesForRange(segment.boundsRange),category=>`tasks_per_frame_${category}`,'Number of tasks of a thread group per frame',tr.b.Unit.byName.unitlessNumber_smallerIsBetter);let totalWallTime=0;let totalCpuTime=0;for(const segment of frameSegments){for(const thread of model.getAllThreads()){totalCpuTime+=thread.getCpuTimeForRange(segment.boundsRange);totalWallTime+=thread.getWallTimeForRange(segment.boundsRange);}}
+function addFrameTimeHistogramsHelper(histograms,model,segments,events,prefix,addCpuMetrics,minFrameCount){const frameSegments=computeFrameSegments_(events,segments,minFrameCount);addBasicFrameTimeHistograms_(histograms,frameSegments,prefix+'');if(addCpuMetrics){tr.metrics.rendering.addCpuUtilizationHistograms(histograms,model,frameSegments,(thread,segment)=>thread.getCpuTimeForRange(segment.boundsRange),category=>`thread_${category}_cpu_time_per_frame`,'CPU cores of a thread group per frame');tr.metrics.rendering.addCpuUtilizationHistograms(histograms,model,frameSegments,(thread,segment)=>thread.getNumToplevelSlicesForRange(segment.boundsRange),category=>`tasks_per_frame_${category}`,'Number of tasks of a thread group per frame');let totalWallTime=0;let totalCpuTime=0;for(const segment of frameSegments){for(const thread of model.getAllThreads()){totalCpuTime+=thread.getCpuTimeForRange(segment.boundsRange);totalWallTime+=thread.getWallTimeForRange(segment.boundsRange);}}
 histograms.createHistogram('cpu_wall_time_ratio',tr.b.Unit.byName.unitlessNumber_biggerIsBetter,totalCpuTime/totalWallTime,{description:'Ratio of total cpu-time vs. wall-time.',summaryOptions:{},});}
-const refreshPeriod=getRefreshPeriod(model,frameSegments.map(fs=>fs.boundsRange));frameSegments.forEach(fs=>fs.updateLength(refreshPeriod));const validFrames=frameSegments.filter(fs=>fs.length>=MIN_FRAME_LENGTH);const totalFrameDuration=tr.b.math.Statistics.sum(frameSegments,fs=>fs.duration);addJankCountHistograms(histograms,validFrames,prefix);const frameLengths=validFrames.map(frame=>frame.length);histograms.createHistogram(prefix+'frame_lengths',tr.b.Unit.byName.unitlessNumber_smallerIsBetter,frameLengths,{binBoundaries:tr.v.HistogramBinBoundaries.createLinear(0,5,20),summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,description:'Frame times in vsyncs.'});histograms.createHistogram(prefix+'avg_surface_fps',tr.b.Unit.byName.unitlessNumber_biggerIsBetter,frameLengths.length/tr.b.convertUnit(totalFrameDuration,tr.b.UnitScale.TIME.MILLI_SEC,tr.b.UnitScale.TIME.SEC),{description:'Average frames per second.',summaryOptions:{},});}
+const refreshPeriod=getRefreshPeriod(model,frameSegments.map(fs=>fs.boundsRange));frameSegments.forEach(fs=>fs.updateLength(refreshPeriod));const validFrames=frameSegments.filter(fs=>fs.length>=MIN_FRAME_LENGTH);const totalFrameDuration=tr.b.math.Statistics.sum(frameSegments,fs=>fs.duration);addJankCountHistograms(histograms,validFrames,prefix);const frameLengths=validFrames.map(frame=>frame.length);histograms.createHistogram(prefix+'avg_surface_fps',tr.b.Unit.byName.unitlessNumber_biggerIsBetter,frameLengths.length/tr.b.convertUnit(totalFrameDuration,tr.b.UnitScale.TIME.MILLI_SEC,tr.b.UnitScale.TIME.SEC),{description:'Average frames per second.',summaryOptions:{},});}
 function addUIFrameTimeHistograms(histograms,model,segments,opt_minFrameCount){const minFrameCount=opt_minFrameCount||MIN_FRAME_COUNT;const events=getUIPresentationEvents_(model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper));if(events.length===0)return;const frameSegments=computeFrameSegments_(events,segments,minFrameCount);addBasicFrameTimeHistograms_(histograms,frameSegments,'ui_');}
 function addJankCountHistograms(histograms,validFrames,prefix){const jankEvents=[];for(let i=1;i<validFrames.length;i++){const change=Math.round((validFrames[i].length-validFrames[i-1].length));if(change>0&&change<PAUSE_THRESHOLD){jankEvents.push(validFrames[i].event);}}
 const jankCount=jankEvents.length;const diagnostics=new tr.v.d.DiagnosticMap();diagnostics.set('events',new tr.v.d.RelatedEventSet(jankEvents));diagnostics.set('timestamps',new tr.v.d.GenericSet(jankEvents.map(e=>e.start)));const histogram=histograms.createHistogram(prefix+'jank_count',tr.b.Unit.byName.count_smallerIsBetter,{value:jankCount,diagnostics},{description:'Number of changes in frame rate.',summaryOptions:{},});}
@@ -8546,30 +8343,7 @@
 return{addFrameTimeHistograms,addUIFrameTimeHistograms,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const RGB_DECODE_EVENT='ImageFrameGenerator::decode';const YUV_DECODE_EVENT='ImageFrameGenerator::decodeToYUV';const BLINK_GPU_RASTER_DECODE_EVENT='GpuImageDecodeCache::DecodeImage';const BLINK_SOFTWARE_RASTER_DECODE_EVENT='SoftwareImageDecodeCache::'+'DecodeImageInTask';function getImageDecodingEvents_(modelHelper,ranges){if(!modelHelper||!modelHelper.rendererHelpers)return[];const events=[];for(const renderer of Object.values(modelHelper.rendererHelpers)){for(const thread of renderer.rasterWorkerThreads){const slices=thread.sliceGroup;for(const slice of slices.getDescendantEventsInSortedRanges(ranges)){if(slice.title===RGB_DECODE_EVENT||slice.title===YUV_DECODE_EVENT||slice.title===BLINK_GPU_RASTER_DECODE_EVENT||slice.title===BLINK_SOFTWARE_RASTER_DECODE_EVENT){events.push(slice);}}}}
 return events;}
 function addImageDecodeTimeHistograms(histograms,model,segments){const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const decodeEvents=getImageDecodingEvents_(modelHelper,segments.map(s=>s.boundsRange));if(!decodeEvents)return;histograms.createHistogram('rgb_decode_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,decodeEvents.filter(slice=>slice.title===RGB_DECODE_EVENT).map(slice=>slice.cpuDuration),{description:'Duration of the Blink RGB decoding path for a chunk '+'of image data (possibly the whole image).',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});histograms.createHistogram('yuv_decode_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,decodeEvents.filter(slice=>slice.title===YUV_DECODE_EVENT).map(slice=>slice.cpuDuration),{description:'Duration of the Blink YUV decoding path for a '+'chunk of image data (possibly the whole image).',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});histograms.createHistogram('blink_decode_time_gpu_rasterization',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,decodeEvents.filter(slice=>slice.title===BLINK_GPU_RASTER_DECODE_EVENT).map(slice=>slice.cpuDuration),{description:'Duration of decoding and scaling within the '+'GpuImageDecodeCache for a chunk of image data '+'(possibly the whole image)',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});histograms.createHistogram('blink_decode_time_software_rasterization',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,decodeEvents.filter(slice=>slice.title===BLINK_SOFTWARE_RASTER_DECODE_EVENT).map(slice=>slice.cpuDuration),{description:'Duration of decoding and scaling within the '+'SoftwareImageDecodeCache for a chunk of image data '+'(possibly the whole image)',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});}
-return{addImageDecodeTimeHistograms};});'use strict';tr.exportTo('tr.metrics.rendering',function(){function eventIsValidGraphicsEvent_(event,eventMap){if(event.title!=='Graphics.Pipeline'||!event.bindId||!event.args||!event.args.step){return false;}
-const bindId=event.bindId;if(eventMap.has(bindId)&&event.args.step in eventMap.get(bindId)){if(event.args.step==='IssueBeginFrame'||event.args.step==='ReceiveBeginFrame'){throw new Error('Unexpected duplicate step: '+event.args.step);}
-return false;}
-return true;}
-function generateBreakdownForCompositorPipelineInClient_(flow){const breakdown=new tr.v.d.Breakdown();breakdown.set('time before GenerateRenderPass',flow.GenerateRenderPass.start-flow.ReceiveBeginFrame.start);breakdown.set('GenerateRenderPass duration',flow.GenerateRenderPass.duration);breakdown.set('GenerateCompositorFrame duration',flow.GenerateCompositorFrame.duration);breakdown.set('SubmitCompositorFrame duration',flow.SubmitCompositorFrame.duration);return breakdown;}
-function generateBreakdownForCompositorPipelineInService_(flow){const breakdown=new tr.v.d.Breakdown();breakdown.set('Processing CompositorFrame on reception',flow.ReceiveCompositorFrame.duration);breakdown.set('Delay before SurfaceAggregation',flow.SurfaceAggregation.start-flow.ReceiveCompositorFrame.end);breakdown.set('SurfaceAggregation duration',flow.SurfaceAggregation.duration);return breakdown;}
-function generateBreakdownForDraw_(drawEvent){const breakdown=new tr.v.d.Breakdown();for(const slice of drawEvent.subSlices){breakdown.set(slice.title,slice.duration);}
-return breakdown;}
-function getDisplayCompositorThread_(model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const gpuHelper=chromeHelper.gpuHelper;if(gpuHelper){const thread=gpuHelper.process.findAtMostOneThreadNamed('VizCompositorThread');if(thread){return thread;}}
-if(!chromeHelper.browserProcess)return null;return chromeHelper.browserProcess.findAtMostOneThreadNamed('CrBrowserMain');}
-function getRasterTaskTimes(sourceFrameNumber,model){const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const renderers=modelHelper.telemetryHelper.renderersWithIR;if(renderers.length===0)return;const rasterThreads=renderers[0].rasterWorkerThreads;let earliestStart=undefined;let lastEnd=undefined;for(const rasterThread of rasterThreads){for(const slice of[...rasterThread.findTopmostSlicesNamed('TaskGraphRunner::RunTask')]){if(slice.args&&slice.args.source_frame_number_&&slice.args.source_frame_number_===sourceFrameNumber){if(earliestStart===undefined||slice.start<earliestStart){earliestStart=slice.start;}
-if(lastEnd===undefined||slice.end>lastEnd){lastEnd=slice.end;}}}}
-return{start:earliestStart,end:lastEnd};}
-function addPipelineHistograms(histograms,model,segments){const ranges=segments.map(s=>s.boundsRange);const bindEvents=new Map();for(const thread of model.getAllThreads()){for(const event of thread.sliceGroup.childEvents()){if(!eventIsValidGraphicsEvent_(event,bindEvents))continue;for(const range of ranges){if(range.containsExplicitRangeInclusive(event.start,event.end)){if(!bindEvents.has(event.bindId))bindEvents.set(event.bindId,{});break;}}
-if(bindEvents.has(event.bindId)){bindEvents.get(event.bindId)[event.args.step]=event;}}}
-const dcThread=getDisplayCompositorThread_(model);const drawEvents={};if(dcThread){const events=[...dcThread.findTopmostSlicesNamed('Graphics.Pipeline.DrawAndSwap')];for(const segment of segments){const filteredEvents=segment.boundsRange.filterArray(events,evt=>evt.start);for(const event of filteredEvents){if((event.args&&event.args.status==='canceled')||!event.id.startsWith(':ptr:')){continue;}
-const id=parseInt(event.id.substring(5),16);if(id in drawEvents){throw new Error('Duplicate draw events: '+id);}
-drawEvents[id]=event;}}}
-const issueToReceipt=histograms.createHistogram('pipeline:begin_frame_transport',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'Latency of begin-frame message from the display '+'compositor to the client, including the IPC latency and task-'+'queue time in the client.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const issueToRasterStart=histograms.createHistogram('pipeline:begin_frame_to_raster_start',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'Latency between begin-frame message and '+'the beginning of the first CompositorTask run in the compositor.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const issueToRasterEnd=histograms.createHistogram('pipeline:begin_frame_to_raster_end',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'Latency between begin-frame message and '+'the end of the last CompositorTask run in the compositor.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const receiptToSubmit=histograms.createHistogram('pipeline:begin_frame_to_frame_submission',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'Latency between begin-frame reception and '+'CompositorFrame submission in the renderer.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const submitToAggregate=histograms.createHistogram('pipeline:frame_submission_to_display',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'Latency between CompositorFrame submission in the '+'renderer to display in the display-compositor, including IPC '+'latency, task-queue time in the display-compositor, and '+'additional processing (e.g. surface-sync etc.)',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const aggregateToDraw=histograms.createHistogram('pipeline:draw',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'How long it takes for the gpu-swap step.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});for(const flow of bindEvents.values()){if(!flow.IssueBeginFrame||!flow.ReceiveBeginFrame||!flow.SubmitCompositorFrame||!flow.SurfaceAggregation){continue;}
-issueToReceipt.addSample(flow.ReceiveBeginFrame.start-
-flow.IssueBeginFrame.start);receiptToSubmit.addSample(flow.SubmitCompositorFrame.end-flow.ReceiveBeginFrame.start,{breakdown:generateBreakdownForCompositorPipelineInClient_(flow)});submitToAggregate.addSample(flow.SurfaceAggregation.end-flow.SubmitCompositorFrame.end,{breakdown:generateBreakdownForCompositorPipelineInService_(flow)});if(flow.SubmitCompositorFrame.parentSlice){const sourceFrameNumber=flow.SubmitCompositorFrame.parentSlice.args.source_frame_number_;const rasterDuration=getRasterTaskTimes(sourceFrameNumber,model);if(rasterDuration&&rasterDuration.start&&rasterDuration.end){const receiveToStart=rasterDuration.start-
-flow.ReceiveBeginFrame.start;const receiveToEnd=rasterDuration.end-flow.ReceiveBeginFrame.end;if(receiveToEnd>0){issueToRasterStart.addSample(receiveToStart>0?receiveToStart:0);issueToRasterEnd.addSample(receiveToEnd);}}}
-if(flow.SurfaceAggregation.args&&flow.SurfaceAggregation.args.display_trace){const displayTrace=flow.SurfaceAggregation.args.display_trace;if(!(displayTrace in drawEvents))continue;const drawEvent=drawEvents[displayTrace];aggregateToDraw.addSample(drawEvent.duration,{breakdown:generateBreakdownForDraw_(drawEvent)});}}}
-return{addPipelineHistograms,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const IMPL_THREAD_RENDERING_STATS_EVENT='BenchmarkInstrumentation::ImplThreadRenderingStats';const VISIBLE_CONTENT_DATA='visible_content_area';const APPROXIMATED_VISIBLE_CONTENT_DATA='approximated_visible_content_area';const CHECKERBOARDED_VISIBLE_CONTENT_DATA='checkerboarded_visible_content_area';function addPixelsHistograms(histograms,model,segments){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper)return;const approximatedPixelPercentages=[];const checkerboardedPixelPercentages=[];const ranges=segments.map(s=>s.boundsRange);for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(rendererHelper.compositorThread===undefined)continue;const slices=rendererHelper.compositorThread.sliceGroup;for(const slice of slices.getDescendantEventsInSortedRanges(ranges)){if(slice.title!==IMPL_THREAD_RENDERING_STATS_EVENT)continue;const data=slice.args.data;if(!(VISIBLE_CONTENT_DATA in data)){throw new Error(`${VISIBLE_CONTENT_DATA} is missing`);}
+return{addImageDecodeTimeHistograms};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const IMPL_THREAD_RENDERING_STATS_EVENT='BenchmarkInstrumentation::ImplThreadRenderingStats';const VISIBLE_CONTENT_DATA='visible_content_area';const APPROXIMATED_VISIBLE_CONTENT_DATA='approximated_visible_content_area';const CHECKERBOARDED_VISIBLE_CONTENT_DATA='checkerboarded_visible_content_area';function addPixelsHistograms(histograms,model,segments){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper)return;const approximatedPixelPercentages=[];const checkerboardedPixelPercentages=[];const ranges=segments.map(s=>s.boundsRange);for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(rendererHelper.compositorThread===undefined)continue;const slices=rendererHelper.compositorThread.sliceGroup;for(const slice of slices.getDescendantEventsInSortedRanges(ranges)){if(slice.title!==IMPL_THREAD_RENDERING_STATS_EVENT)continue;const data=slice.args.data;if(!(VISIBLE_CONTENT_DATA in data)){throw new Error(`${VISIBLE_CONTENT_DATA} is missing`);}
 const visibleContentArea=data[VISIBLE_CONTENT_DATA];if(visibleContentArea===0){continue;}
 if(APPROXIMATED_VISIBLE_CONTENT_DATA in data){approximatedPixelPercentages.push(data[APPROXIMATED_VISIBLE_CONTENT_DATA]/visibleContentArea);}
 if(CHECKERBOARDED_VISIBLE_CONTENT_DATA in data){checkerboardedPixelPercentages.push(data[CHECKERBOARDED_VISIBLE_CONTENT_DATA]/visibleContentArea);}}}
@@ -8580,7 +8354,7 @@
 const queueingDurations=[];const ranges=segments.map(s=>s.boundsRange);for(const rendererHelper of targetRenderers){const mainThread=rendererHelper.mainThread;const compositorThread=rendererHelper.compositorThread;if(mainThread===undefined||compositorThread===undefined)continue;const beginMainFrameTimes=getEventTimesByBeginFrameId_(mainThread,BEGIN_MAIN_FRAME_EVENT,ranges);const sendBeginFrameTimes=getEventTimesByBeginFrameId_(compositorThread,SEND_BEGIN_FRAME_EVENT,ranges);for(const[id,time]of sendBeginFrameTimes){queueingDurations.push(beginMainFrameTimes.get(id)-time);}}
 histograms.createHistogram('queueing_durations',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,queueingDurations,{binBoundaries:tr.v.HistogramBinBoundaries.createExponential(0.01,2,20),summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,description:'Time between ScheduledActionSendBeginMainFrame in '+'the compositor thread and the corresponding '+'BeginMainFrame in the main thread.'});}
 return{addQueueingDurationHistograms,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const GESTURE_EVENT='SyntheticGestureController::running';function renderingMetric(histograms,model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper)return;let segments=chromeHelper.telemetryHelper.irSegments;if(segments.length===0){segments=chromeHelper.telemetryHelper.animationSegments;}
-if(segments.length>0){tr.metrics.rendering.addFrameTimeHistograms(histograms,model,segments);tr.metrics.rendering.addImageDecodeTimeHistograms(histograms,model,segments);tr.metrics.rendering.addPipelineHistograms(histograms,model,segments);tr.metrics.rendering.addPixelsHistograms(histograms,model,segments);tr.metrics.rendering.addQueueingDurationHistograms(histograms,model,segments);}
+if(segments.length>0){tr.metrics.rendering.addFrameTimeHistograms(histograms,model,segments);tr.metrics.rendering.addImageDecodeTimeHistograms(histograms,model,segments);tr.metrics.rendering.addPixelsHistograms(histograms,model,segments);tr.metrics.rendering.addQueueingDurationHistograms(histograms,model,segments);}
 const uiSegments=chromeHelper.telemetryHelper.uiSegments;if(uiSegments.length>0){tr.metrics.rendering.addUIFrameTimeHistograms(histograms,model,chromeHelper.telemetryHelper.uiSegments);}}
 tr.metrics.MetricRegistry.register(renderingMetric,{requiredCategories:['benchmark','toplevel'],});return{renderingMetric,};});'use strict';tr.exportTo('tr.metrics',function(){const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const unitlessNumber_smallerIsBetter=tr.b.Unit.byName.unitlessNumber_smallerIsBetter;const EventFinderUtils=tr.e.chrome.EventFinderUtils;const METRIC_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,1e3,20).addLinearBins(3e3,20).addExponentialBins(80e3,30);const SUMMARY_OPTIONS={avg:true,count:false,max:true,min:true,std:true,sum:false,};function reportedByPageMetric(histograms,model){const timeToViewable=histograms.createHistogram('reported_by_page:time_to_viewable',timeDurationInMs_smallerIsBetter,[],{binBoundaries:METRIC_BOUNDARIES,description:'Time from navigation start'+'to telemetry:reported_by_page:viewable',summaryOptions:SUMMARY_OPTIONS,});const timeToInteractive=histograms.createHistogram('reported_by_page:time_to_interactive',timeDurationInMs_smallerIsBetter,[],{binBoundaries:METRIC_BOUNDARIES,description:'Time from navigation start '+'to telemetry:reported_by_page:interactive',summaryOptions:SUMMARY_OPTIONS,});const benchmarkTime=histograms.createHistogram('reported_by_page:benchmark_time',timeDurationInMs_smallerIsBetter,[],{binBoundaries:METRIC_BOUNDARIES,description:'Time from telemetry:reported_by_page:benchmark_begin '+'to telemetry:reported_by_page:benchmark_end',summaryOptions:SUMMARY_OPTIONS,});const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);for(const pid in chromeHelper.rendererHelpers){const rendererHelper=chromeHelper.rendererHelpers[pid];if(rendererHelper.isChromeTracingUI)continue;if(rendererHelper.mainThread===undefined)continue;measureUserTime(rendererHelper,'navigationStart','telemetry:reported_by_page:viewable',timeToViewable);measureUserTime(rendererHelper,'navigationStart','telemetry:reported_by_page:interactive',timeToInteractive);measureUserTime(rendererHelper,'telemetry:reported_by_page:benchmark_begin','telemetry:reported_by_page:benchmark_end',benchmarkTime);}}
 function measureUserTime(rendererHelper,startName,endName,histogram){const startEventByNavId=new Map();for(const event of rendererHelper.mainThread.sliceGroup.childEvents()){const navId=getNavigationId(event);if(!navId)continue;if(EventFinderUtils.hasCategoryAndName(event,'blink.user_timing',startName)){startEventByNavId.set(navId,event);}
@@ -8682,7 +8456,7 @@
 const rendererHelper=chromeHelper.rendererHelpers[expectation.renderProcess.pid];addRectsBasedSpeedIndexSample(rectsBasedSpeedIndexSamples,rendererHelper,expectation.navigationStart.start,expectation.duration,expectation.navigationStart.args.frame);}
 return rectsBasedSpeedIndexSamples;}
 function rectsBasedSpeedIndexMetric(histograms,model){const rectsBasedSpeedIndexHistogram=histograms.createHistogram('rectsBasedSpeedIndex',timeDurationInMs_smallerIsBetter,[],{binBoundaries:BIN_BOUNDARIES,description:' the average time at which visible parts of the'+' page are displayed (in ms).',summaryOptions:SUMMARY_OPTIONS,});const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const samples=collectRectsBasedSpeedIndexSamplesFromLoadExpectations(model,chromeHelper);for(const sample of samples){rectsBasedSpeedIndexHistogram.addSample(sample.value);}}
-tr.metrics.MetricRegistry.register(rectsBasedSpeedIndexMetric);return{rectsBasedSpeedIndexMetric};});'use strict';tr.exportTo('tr.metrics.sh',function(){const LONG_TASK_THRESHOLD_MS=50;const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const unitlessNumber_smallerIsBetter=tr.b.Unit.byName.unitlessNumber_smallerIsBetter;const RelatedEventSet=tr.v.d.RelatedEventSet;const hasCategoryAndName=tr.metrics.sh.hasCategoryAndName;const EventFinderUtils=tr.e.chrome.EventFinderUtils;function createBreakdownDiagnostic(breakdownTree){const breakdownDiagnostic=new tr.v.d.Breakdown();breakdownDiagnostic.colorScheme=tr.v.d.COLOR_SCHEME_CHROME_USER_FRIENDLY_CATEGORY_DRIVER;for(const label in breakdownTree){breakdownDiagnostic.set(label,breakdownTree[label].total);}
+tr.metrics.MetricRegistry.register(rectsBasedSpeedIndexMetric);return{rectsBasedSpeedIndexMetric};});'use strict';tr.exportTo('tr.v.d',function(){const ALERT_GROUPS={CPU_USAGE:'cpu_usage',LOADING_PAINT:'loading_paint',LOADING_INTERACTIVITY:'loading_interactivity',LOADING_LAYOUT:'loading_layout',};return{ALERT_GROUPS,};});'use strict';tr.exportTo('tr.metrics.sh',function(){const LONG_TASK_THRESHOLD_MS=50;const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const unitlessNumber_smallerIsBetter=tr.b.Unit.byName.unitlessNumber_smallerIsBetter;const RelatedEventSet=tr.v.d.RelatedEventSet;const hasCategoryAndName=tr.metrics.sh.hasCategoryAndName;const EventFinderUtils=tr.e.chrome.EventFinderUtils;function createBreakdownDiagnostic(breakdownTree){const breakdownDiagnostic=new tr.v.d.Breakdown();breakdownDiagnostic.colorScheme=tr.v.d.COLOR_SCHEME_CHROME_USER_FRIENDLY_CATEGORY_DRIVER;for(const label in breakdownTree){breakdownDiagnostic.set(label,breakdownTree[label].total);}
 return breakdownDiagnostic;}
 const LOADING_METRIC_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,1e3,20).addLinearBins(3e3,20).addExponentialBins(20e3,20);const TIME_TO_INTERACTIVE_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,40e3,35).addExponentialBins(80e3,15);const LAYOUT_SHIFT_SCORE_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,50,25);const SUMMARY_OPTIONS={avg:true,count:false,max:true,min:true,std:true,sum:false,};function findFrameLoaderSnapshotAt(rendererHelper,frameIdRef,ts){const objects=rendererHelper.process.objects;const frameLoaderInstances=objects.instancesByTypeName_.FrameLoader;if(frameLoaderInstances===undefined)return undefined;let snapshot;for(const instance of frameLoaderInstances){if(!instance.isAliveAt(ts))continue;const maybeSnapshot=instance.getSnapshotAt(ts);if(frameIdRef!==maybeSnapshot.args.frame.id_ref)continue;snapshot=maybeSnapshot;}
 return snapshot;}
@@ -8703,7 +8477,7 @@
 function findLayoutShiftSamples(rendererHelper){let sample;EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'LayoutShift','loading').forEach((events)=>{const evData=events.pop().args.data;if(evData.is_main_frame){sample={value:evData.cumulative_score};}});return sample?[sample]:[];}
 function addFirstMeaningfulPaintSample(samples,rendererHelper,navigationStart,fmpMarkerEvent,url){const navStartToFMPRange=tr.b.math.Range.fromExplicitRange(navigationStart.start,fmpMarkerEvent.start);const networkEvents=EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,navStartToFMPRange);const timeToFirstMeaningfulPaint=navStartToFMPRange.duration;const breakdownTree=tr.metrics.sh.generateWallClockTimeBreakdownTree(rendererHelper.mainThread,networkEvents,navStartToFMPRange);samples.push({value:timeToFirstMeaningfulPaint,breakdownTree,diagnostics:{breakdown:createBreakdownDiagnostic(breakdownTree),start:new RelatedEventSet(navigationStart),end:new RelatedEventSet(fmpMarkerEvent),infos:new tr.v.d.GenericSet([{url,pid:rendererHelper.pid,start:navigationStart.start,fmp:fmpMarkerEvent.start,}]),}});}
 function addFirstMeaningfulPaintCpuTimeSample(samples,rendererHelper,navigationStart,fmpMarkerEvent,url){const navStartToFMPRange=tr.b.math.Range.fromExplicitRange(navigationStart.start,fmpMarkerEvent.start);const mainThreadCpuTime=rendererHelper.mainThread.getCpuTimeForRange(navStartToFMPRange);const breakdownTree=tr.metrics.sh.generateCpuTimeBreakdownTree(rendererHelper.mainThread,navStartToFMPRange);samples.push({value:mainThreadCpuTime,breakdownTree,diagnostics:{breakdown:createBreakdownDiagnostic(breakdownTree),start:new RelatedEventSet(navigationStart),end:new RelatedEventSet(fmpMarkerEvent),infos:new tr.v.d.GenericSet([{url,pid:rendererHelper.pid,start:navigationStart.start,fmp:fmpMarkerEvent.start,}]),}});}
-function decorateInteractivitySampleWithDiagnostics_(rendererHelper,eventTimestamp,navigationStartEvent,firstMeaningfulPaintTime,domContentLoadedEndTime,url){if(eventTimestamp===undefined)return undefined;const navigationStartTime=navigationStartEvent.start;const navStartToEventTimeRange=tr.b.math.Range.fromExplicitRange(navigationStartTime,eventTimestamp);const networkEvents=EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,navStartToEventTimeRange);const breakdownTree=tr.metrics.sh.generateWallClockTimeBreakdownTree(rendererHelper.mainThread,networkEvents,navStartToEventTimeRange);const breakdownDiagnostic=createBreakdownDiagnostic(breakdownTree);return{value:navStartToEventTimeRange.duration,diagnostics:tr.v.d.DiagnosticMap.fromObject({'Start':new RelatedEventSet(navigationStartEvent),'Navigation infos':new tr.v.d.GenericSet([{url,pid:rendererHelper.pid,navigationStartTime,firstMeaningfulPaintTime,domContentLoadedEndTime,eventTimestamp,}]),'Breakdown of [navStart, eventTimestamp]':breakdownDiagnostic,}),};}
+function decorateInteractivitySampleWithDiagnostics_(rendererHelper,eventTimestamp,navigationStartEvent,firstContentfulPaintTime,domContentLoadedEndTime,url){if(eventTimestamp===undefined)return undefined;const navigationStartTime=navigationStartEvent.start;const navStartToEventTimeRange=tr.b.math.Range.fromExplicitRange(navigationStartTime,eventTimestamp);const networkEvents=EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,navStartToEventTimeRange);const breakdownTree=tr.metrics.sh.generateWallClockTimeBreakdownTree(rendererHelper.mainThread,networkEvents,navStartToEventTimeRange);const breakdownDiagnostic=createBreakdownDiagnostic(breakdownTree);return{value:navStartToEventTimeRange.duration,diagnostics:tr.v.d.DiagnosticMap.fromObject({'Start':new RelatedEventSet(navigationStartEvent),'Navigation infos':new tr.v.d.GenericSet([{url,pid:rendererHelper.pid,navigationStartTime,firstContentfulPaintTime,domContentLoadedEndTime,eventTimestamp,}]),'Breakdown of [navStart, eventTimestamp]':breakdownDiagnostic,}),};}
 function getCandidateIndex(entry){return entry.targetEvent.args.data.candidateIndex;}
 function findLastCandidateForEachNavigation(timeToXEntries){const entryMap=new Map();for(const e of timeToXEntries){const navStartEvent=e.navigationStartEvent;if(!entryMap.has(navStartEvent)){entryMap.set(navStartEvent,[]);}
 entryMap.get(navStartEvent).push(e);}
@@ -8714,16 +8488,17 @@
 function findLargestImagePaintSamples(rendererHelper,frameToNavStartEvents,navIdToNavStartEvents){const timeToPaintEntries=findTimeToXEntries('loading','LargestImagePaint::Candidate',rendererHelper,frameToNavStartEvents,navIdToNavStartEvents);const timeToPaintBlockingEntries=findTimeToXEntries('loading','LargestImagePaint::NoCandidate',rendererHelper,frameToNavStartEvents,navIdToNavStartEvents);const lastCandidateEvents=findLastCandidateForEachNavigation(timeToPaintEntries.concat(timeToPaintBlockingEntries)).filter(event=>event.targetEvent.title!=='LargestImagePaint::NoCandidate');return collectTimeToEvent(rendererHelper,lastCandidateEvents);}
 function findLargestContentfulPaintHistogramSamples(allBrowserEvents){const lcp=new tr.e.chrome.LargestContentfulPaint(allBrowserEvents);const lcpSamples=lcp.findCandidates().map(candidate=>{const{durationInMilliseconds,size,type,inMainFrame,mainFrameTreeNodeId}=candidate;return{value:durationInMilliseconds,diagnostics:{size:new tr.v.d.GenericSet([size]),type:new tr.v.d.GenericSet([type]),inMainFrame:new tr.v.d.GenericSet([inMainFrame]),mainFrameTreeNodeId:new tr.v.d.GenericSet([mainFrameTreeNodeId]),},};});return lcpSamples;}
 function collectLoadingMetricsForRenderer(rendererHelper){const frameToNavStartEvents=EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'navigationStart','blink.user_timing');const navIdToNavStartEvents=EventFinderUtils.getSortedMainThreadEventsByNavId(rendererHelper,'navigationStart','blink.user_timing');const firstPaintSamples=collectTimeToEvent(rendererHelper,findTimeToXEntries('loading','firstPaint',rendererHelper,frameToNavStartEvents,navIdToNavStartEvents));const timeToFCPEntries=findTimeToXEntries('loading','firstContentfulPaint',rendererHelper,frameToNavStartEvents,navIdToNavStartEvents);const firstContentfulPaintSamples=collectTimeToEvent(rendererHelper,timeToFCPEntries);const firstContentfulPaintCpuTimeSamples=collectTimeToEventInCpuTime(rendererHelper,timeToFCPEntries);const onLoadSamples=collectTimeToEvent(rendererHelper,findTimeToXEntries('blink.user_timing','loadEventStart',rendererHelper,frameToNavStartEvents,navIdToNavStartEvents));const aboveTheFoldLoadedToVisibleSamples=getAboveTheFoldLoadedToVisibleSamples(rendererHelper);const firstViewportReadySamples=getFirstViewportReadySamples(rendererHelper,navIdToNavStartEvents);const largestImagePaintSamples=findLargestImagePaintSamples(rendererHelper,frameToNavStartEvents,navIdToNavStartEvents);const largestTextPaintSamples=findLargestTextPaintSamples(rendererHelper,frameToNavStartEvents,navIdToNavStartEvents);const layoutShiftSamples=findLayoutShiftSamples(rendererHelper);const navigationStartSamples=timeToFCPEntries.map(entry=>{return{value:entry.navigationStartEvent.start};});return{frameToNavStartEvents,firstPaintSamples,firstContentfulPaintSamples,firstContentfulPaintCpuTimeSamples,onLoadSamples,aboveTheFoldLoadedToVisibleSamples,firstViewportReadySamples,largestImagePaintSamples,largestTextPaintSamples,layoutShiftSamples,navigationStartSamples,};}
-function collectMetricsFromLoadExpectations(model,chromeHelper){const interactiveSamples=[];const firstCpuIdleSamples=[];const firstMeaningfulPaintSamples=[];const firstMeaningfulPaintCpuTimeSamples=[];for(const expectation of model.userModel.expectations){if(!(expectation instanceof tr.model.um.LoadExpectation))continue;if(tr.e.chrome.CHROME_INTERNAL_URLS.includes(expectation.url)){continue;}
+function collectMetricsFromLoadExpectations(model,chromeHelper){const interactiveSamples=[];const firstCpuIdleSamples=[];const firstMeaningfulPaintSamples=[];const firstMeaningfulPaintCpuTimeSamples=[];const totalBlockingTimeSamples=[];for(const expectation of model.userModel.expectations){if(!(expectation instanceof tr.model.um.LoadExpectation))continue;if(tr.e.chrome.CHROME_INTERNAL_URLS.includes(expectation.url)){continue;}
 const rendererHelper=chromeHelper.rendererHelpers[expectation.renderProcess.pid];if(expectation.fmpEvent!==undefined){addFirstMeaningfulPaintSample(firstMeaningfulPaintSamples,rendererHelper,expectation.navigationStart,expectation.fmpEvent,expectation.url);addFirstMeaningfulPaintCpuTimeSample(firstMeaningfulPaintCpuTimeSamples,rendererHelper,expectation.navigationStart,expectation.fmpEvent,expectation.url);}
-if(expectation.firstCpuIdleTime!==undefined){firstCpuIdleSamples.push(decorateInteractivitySampleWithDiagnostics_(rendererHelper,expectation.firstCpuIdleTime,expectation.navigationStart,expectation.fmpEvent.start,expectation.domContentLoadedEndEvent.start,expectation.url));}
-if(expectation.timeToInteractive!==undefined){interactiveSamples.push(decorateInteractivitySampleWithDiagnostics_(rendererHelper,expectation.timeToInteractive,expectation.navigationStart,expectation.fmpEvent.start,expectation.domContentLoadedEndEvent.start,expectation.url));}}
-return{firstMeaningfulPaintSamples,firstMeaningfulPaintCpuTimeSamples,firstCpuIdleSamples,interactiveSamples,};}
+if(expectation.firstCpuIdleTime!==undefined){firstCpuIdleSamples.push(decorateInteractivitySampleWithDiagnostics_(rendererHelper,expectation.firstCpuIdleTime,expectation.navigationStart,expectation.fcpEvent.start,expectation.domContentLoadedEndEvent.start,expectation.url));}
+if(expectation.timeToInteractive!==undefined){interactiveSamples.push(decorateInteractivitySampleWithDiagnostics_(rendererHelper,expectation.timeToInteractive,expectation.navigationStart,expectation.fcpEvent.start,expectation.domContentLoadedEndEvent.start,expectation.url));}
+if(expectation.totalBlockingTime!==undefined){totalBlockingTimeSamples.push({value:expectation.totalBlockingTime,diagnostics:{url:new tr.v.d.GenericSet([expectation.url]),navigationStart:new RelatedEventSet(expectation.navigationStart),firstContentfulPaint:new RelatedEventSet(expectation.fcpEvent),interactiveTime:new tr.v.d.GenericSet([expectation.timeToInteractive]),}});}}
+return{firstMeaningfulPaintSamples,firstMeaningfulPaintCpuTimeSamples,firstCpuIdleSamples,interactiveSamples,totalBlockingTimeSamples,};}
 function addSamplesToHistogram(samples,histogram,histograms){for(const sample of samples){histogram.addSample(sample.value,sample.diagnostics);if(histogram.name!=='timeToFirstContentfulPaint')continue;if(!sample.breakdownTree)continue;for(const[category,breakdown]of Object.entries(sample.breakdownTree)){const relatedName=`${histogram.name}:${category}`;let relatedHist=histograms.getHistogramsNamed(relatedName)[0];if(!relatedHist){relatedHist=histograms.createHistogram(relatedName,histogram.unit,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,summaryOptions:{count:false,max:false,min:false,sum:false,},});let relatedNames=histogram.diagnostics.get('breakdown');if(!relatedNames){relatedNames=new tr.v.d.RelatedNameMap();histogram.diagnostics.set('breakdown',relatedNames);}
 relatedNames.set(category,relatedName);}
 relatedHist.addSample(breakdown.total,{breakdown:tr.v.d.Breakdown.fromEntries(Object.entries(breakdown.events)),});}}}
-function loadingMetric(histograms,model){const firstPaintHistogram=histograms.createHistogram('timeToFirstPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first paint',summaryOptions:SUMMARY_OPTIONS,});const firstContentfulPaintHistogram=histograms.createHistogram('timeToFirstContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first contentful paint',summaryOptions:SUMMARY_OPTIONS,});const firstContentfulPaintCpuTimeHistogram=histograms.createHistogram('cpuTimeToFirstContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'CPU time to first contentful paint',summaryOptions:SUMMARY_OPTIONS,});const onLoadHistogram=histograms.createHistogram('timeToOnload',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to onload. '+'This is temporary metric used for PCv1/v2 sanity checking',summaryOptions:SUMMARY_OPTIONS,});const firstMeaningfulPaintHistogram=histograms.createHistogram('timeToFirstMeaningfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first meaningful paint',summaryOptions:SUMMARY_OPTIONS,});const firstMeaningfulPaintCpuTimeHistogram=histograms.createHistogram('cpuTimeToFirstMeaningfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'CPU time to first meaningful paint',summaryOptions:SUMMARY_OPTIONS,});const timeToInteractiveHistogram=histograms.createHistogram('timeToInteractive',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time to Interactive',summaryOptions:SUMMARY_OPTIONS,});const timeToFirstCpuIdleHistogram=histograms.createHistogram('timeToFirstCpuIdle',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time to First CPU Idle',summaryOptions:SUMMARY_OPTIONS,});const aboveTheFoldLoadedToVisibleHistogram=histograms.createHistogram('aboveTheFoldLoadedToVisible',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time from first visible to load for AMP pages only.',summaryOptions:SUMMARY_OPTIONS,});const firstViewportReadyHistogram=histograms.createHistogram('timeToFirstViewportReady',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time from navigation to load for AMP pages only. ',summaryOptions:SUMMARY_OPTIONS,});const largestImagePaintHistogram=histograms.createHistogram('largestImagePaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Image Paint',summaryOptions:SUMMARY_OPTIONS,});const largestTextPaintHistogram=histograms.createHistogram('largestTextPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Text Paint',summaryOptions:SUMMARY_OPTIONS,});const largestContentfulPaintHistogram=histograms.createHistogram('largestContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Contentful Paint',summaryOptions:SUMMARY_OPTIONS,});const layoutShiftHistogram=histograms.createHistogram('mainFrameCumulativeLayoutShift',unitlessNumber_smallerIsBetter,[],{binBoundaries:LAYOUT_SHIFT_SCORE_BOUNDARIES,description:'Main Frame Document Cumulative Layout Shift Score',summaryOptions:SUMMARY_OPTIONS,});const navigationStartHistogram=histograms.createHistogram('navigationStart',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'navigationStart',summaryOptions:SUMMARY_OPTIONS,});tr.metrics.sh.rectsBasedSpeedIndexMetric(histograms,model);const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);for(const pid in chromeHelper.rendererHelpers){const rendererHelper=chromeHelper.rendererHelpers[pid];if(rendererHelper.isChromeTracingUI)continue;const samplesSet=collectLoadingMetricsForRenderer(rendererHelper);const lcpSamples=findLargestContentfulPaintHistogramSamples(chromeHelper.browserHelper.mainThread.sliceGroup.slices);addSamplesToHistogram(lcpSamples,largestContentfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstPaintSamples,firstPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstContentfulPaintSamples,firstContentfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstContentfulPaintCpuTimeSamples,firstContentfulPaintCpuTimeHistogram,histograms);addSamplesToHistogram(samplesSet.onLoadSamples,onLoadHistogram,histograms);addSamplesToHistogram(samplesSet.aboveTheFoldLoadedToVisibleSamples,aboveTheFoldLoadedToVisibleHistogram,histograms);addSamplesToHistogram(samplesSet.firstViewportReadySamples,firstViewportReadyHistogram,histograms);addSamplesToHistogram(samplesSet.largestImagePaintSamples,largestImagePaintHistogram,histograms);addSamplesToHistogram(samplesSet.largestTextPaintSamples,largestTextPaintHistogram,histograms);addSamplesToHistogram(samplesSet.layoutShiftSamples,layoutShiftHistogram,histograms);addSamplesToHistogram(samplesSet.navigationStartSamples,navigationStartHistogram,histograms);}
-const samplesSet=collectMetricsFromLoadExpectations(model,chromeHelper);addSamplesToHistogram(samplesSet.firstMeaningfulPaintSamples,firstMeaningfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstMeaningfulPaintCpuTimeSamples,firstMeaningfulPaintCpuTimeHistogram,histograms);addSamplesToHistogram(samplesSet.interactiveSamples,timeToInteractiveHistogram,histograms);addSamplesToHistogram(samplesSet.firstCpuIdleSamples,timeToFirstCpuIdleHistogram,histograms);}
+function loadingMetric(histograms,model){const firstPaintHistogram=histograms.createHistogram('timeToFirstPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const firstContentfulPaintHistogram=histograms.createHistogram('timeToFirstContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first contentful paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const firstContentfulPaintCpuTimeHistogram=histograms.createHistogram('cpuTimeToFirstContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'CPU time to first contentful paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const onLoadHistogram=histograms.createHistogram('timeToOnload',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to onload. '+'This is temporary metric used for PCv1/v2 sanity checking',summaryOptions:SUMMARY_OPTIONS,});const firstMeaningfulPaintHistogram=histograms.createHistogram('timeToFirstMeaningfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first meaningful paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const firstMeaningfulPaintCpuTimeHistogram=histograms.createHistogram('cpuTimeToFirstMeaningfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'CPU time to first meaningful paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const timeToInteractiveHistogram=histograms.createHistogram('timeToInteractive',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time to Interactive',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_INTERACTIVITY],});const totalBlockingTimeHistogram=histograms.createHistogram('totalBlockingTime',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Total Blocking Time',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_INTERACTIVITY],});const timeToFirstCpuIdleHistogram=histograms.createHistogram('timeToFirstCpuIdle',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time to First CPU Idle',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_INTERACTIVITY],});const aboveTheFoldLoadedToVisibleHistogram=histograms.createHistogram('aboveTheFoldLoadedToVisible',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time from first visible to load for AMP pages only.',summaryOptions:SUMMARY_OPTIONS,});const firstViewportReadyHistogram=histograms.createHistogram('timeToFirstViewportReady',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time from navigation to load for AMP pages only. ',summaryOptions:SUMMARY_OPTIONS,});const largestImagePaintHistogram=histograms.createHistogram('largestImagePaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Image Paint',summaryOptions:SUMMARY_OPTIONS,});const largestTextPaintHistogram=histograms.createHistogram('largestTextPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Text Paint',summaryOptions:SUMMARY_OPTIONS,});const largestContentfulPaintHistogram=histograms.createHistogram('largestContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Contentful Paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const layoutShiftHistogram=histograms.createHistogram('mainFrameCumulativeLayoutShift',unitlessNumber_smallerIsBetter,[],{binBoundaries:LAYOUT_SHIFT_SCORE_BOUNDARIES,description:'Main Frame Document Cumulative Layout Shift Score',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_LAYOUT],});const navigationStartHistogram=histograms.createHistogram('navigationStart',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'navigationStart',summaryOptions:SUMMARY_OPTIONS,});tr.metrics.sh.rectsBasedSpeedIndexMetric(histograms,model);const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);for(const pid in chromeHelper.rendererHelpers){const rendererHelper=chromeHelper.rendererHelpers[pid];if(rendererHelper.isChromeTracingUI)continue;const samplesSet=collectLoadingMetricsForRenderer(rendererHelper);const lcpSamples=findLargestContentfulPaintHistogramSamples(chromeHelper.browserHelper.mainThread.sliceGroup.slices);addSamplesToHistogram(lcpSamples,largestContentfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstPaintSamples,firstPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstContentfulPaintSamples,firstContentfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstContentfulPaintCpuTimeSamples,firstContentfulPaintCpuTimeHistogram,histograms);addSamplesToHistogram(samplesSet.onLoadSamples,onLoadHistogram,histograms);addSamplesToHistogram(samplesSet.aboveTheFoldLoadedToVisibleSamples,aboveTheFoldLoadedToVisibleHistogram,histograms);addSamplesToHistogram(samplesSet.firstViewportReadySamples,firstViewportReadyHistogram,histograms);addSamplesToHistogram(samplesSet.largestImagePaintSamples,largestImagePaintHistogram,histograms);addSamplesToHistogram(samplesSet.largestTextPaintSamples,largestTextPaintHistogram,histograms);addSamplesToHistogram(samplesSet.layoutShiftSamples,layoutShiftHistogram,histograms);addSamplesToHistogram(samplesSet.navigationStartSamples,navigationStartHistogram,histograms);}
+const samplesSet=collectMetricsFromLoadExpectations(model,chromeHelper);addSamplesToHistogram(samplesSet.firstMeaningfulPaintSamples,firstMeaningfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstMeaningfulPaintCpuTimeSamples,firstMeaningfulPaintCpuTimeHistogram,histograms);addSamplesToHistogram(samplesSet.interactiveSamples,timeToInteractiveHistogram,histograms);addSamplesToHistogram(samplesSet.firstCpuIdleSamples,timeToFirstCpuIdleHistogram,histograms);addSamplesToHistogram(samplesSet.totalBlockingTimeSamples,totalBlockingTimeHistogram,histograms);}
 tr.metrics.MetricRegistry.register(loadingMetric);return{loadingMetric,createBreakdownDiagnostic};});'use strict';tr.exportTo('tr.metrics',function(){const SPA_NAVIGATION_START_TO_FIRST_PAINT_DURATION_BIN_BOUNDARY=tr.v.HistogramBinBoundaries.createExponential(1,1000,50);function spaNavigationMetric(histograms,model){const histogram=new tr.v.Histogram('spaNavigationStartToFpDuration',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,SPA_NAVIGATION_START_TO_FIRST_PAINT_DURATION_BIN_BOUNDARY);histogram.description='Latency between the input event causing'+' a SPA navigation and the first paint event after it';histogram.customizeSummaryOptions({count:false,sum:false,});const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!modelHelper){return;}
 const rendererHelpers=modelHelper.rendererHelpers;if(!rendererHelpers){return;}
 const browserHelper=modelHelper.browserHelper;for(const rendererHelper of Object.values(rendererHelpers)){const spaNavigations=tr.metrics.findSpaNavigationsOnRenderer(rendererHelper,browserHelper);for(const spaNav of spaNavigations){let beginTs=0;if(spaNav.navStartCandidates.inputLatencyAsyncSlice){const beginData=spaNav.navStartCandidates.inputLatencyAsyncSlice.args.data;beginTs=model.convertTimestampToModelTime('traceEventClock',beginData.INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT.time);}else{beginTs=spaNav.navStartCandidates.goToIndexSlice.start;}
@@ -8737,7 +8512,7 @@
 let processCpuTime=0;for(const tid in process.threads){const thread=process.threads[tid];processCpuTime+=thread.getCpuTimeForRange(rangeOfInterest);}
 allProcessCpuTime+=processCpuTime;}
 let normalizedAllProcessCpuTime=0;if(rangeOfInterest.duration>0){normalizedAllProcessCpuTime=allProcessCpuTime/rangeOfInterest.duration;}
-const unit=tr.b.Unit.byName.normalizedPercentage_smallerIsBetter;const cpuTimeHist=new tr.v.Histogram('cpu_time_percentage',unit,CPU_TIME_PERCENTAGE_BOUNDARIES);cpuTimeHist.description='Percent CPU utilization, normalized against a single core. Can be '+'greater than 100% if machine has multiple cores.';cpuTimeHist.customizeSummaryOptions({avg:true,count:false,max:false,min:false,std:false,sum:false});cpuTimeHist.addSample(normalizedAllProcessCpuTime);histograms.addHistogram(cpuTimeHist);}
+const unit=tr.b.Unit.byName.normalizedPercentage_smallerIsBetter;const cpuTimeHist=new tr.v.Histogram('cpu_time_percentage',unit,CPU_TIME_PERCENTAGE_BOUNDARIES);cpuTimeHist.description='Percent CPU utilization, normalized against a single core. Can be '+'greater than 100% if machine has multiple cores.';cpuTimeHist.setAlertGrouping([tr.v.d.ALERT_GROUPS.CPU_USAGE]);cpuTimeHist.customizeSummaryOptions({avg:true,count:false,max:false,min:false,std:false,sum:false});cpuTimeHist.addSample(normalizedAllProcessCpuTime);histograms.addHistogram(cpuTimeHist);}
 tr.metrics.MetricRegistry.register(cpuTimeMetric,{supportsRangeOfInterest:true});return{cpuTimeMetric,};});'use strict';tr.exportTo('tr.v',function(){class HistogramDeserializer{static deserialize(data){const deserializer=new HistogramDeserializer(data[0],data[1]);return data.slice(2).map(datum=>tr.v.Histogram.deserialize(datum,deserializer));}
 constructor(objects,diagnostics){this.objects_=objects;this.diagnostics_=[];for(const[type,diagnosticsByName]of Object.entries(diagnostics||{})){for(const[name,diagnosticsById]of Object.entries(diagnosticsByName)){for(const[id,data]of Object.entries(diagnosticsById)){const diagnostic=tr.v.d.Diagnostic.deserialize(type,data,this);this.diagnostics_[parseInt(id)]={name,diagnostic};}}}}
 getObject(id){return this.objects_[id];}
@@ -9173,13 +8948,16 @@
 const rendererHelper=chromeHelper.rendererHelpers[expectation.renderProcess.pid];addSpeedIndexScreenshotsBasedSample(speedIndexScreenshotsBasedSamples,expectation.navigationStart,expectation.duration,chromeHelper.browserHelper);}
 return speedIndexScreenshotsBasedSamples;}
 function screenshotsBasedSpeedIndexMetric(histograms,model){const speedIndexScreenshotsBasedHistogram=histograms.createHistogram('speedIndexScreenshotsBased',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'The average time at which visible parts of the'+' page are displayed.',summaryOptions:SUMMARY_OPTIONS,});const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const samples=collectSpeedIndexSamplesFromLoadExpectations(model,chromeHelper);for(const sample of samples){speedIndexScreenshotsBasedHistogram.addSample(sample.value);}}
-tr.metrics.MetricRegistry.register(screenshotsBasedSpeedIndexMetric);return{screenshotsBasedSpeedIndexMetric};});'use strict';tr.exportTo('tr.metrics.sh',function(){function webviewStartupMetric(histograms,model){const startupWallHist=new tr.v.Histogram('webview_startup_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);startupWallHist.description='WebView startup wall time';const startupCPUHist=new tr.v.Histogram('webview_startup_cpu_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);startupCPUHist.description='WebView startup CPU time';const loadWallHist=new tr.v.Histogram('webview_url_load_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);loadWallHist.description='WebView blank URL load wall time';const loadCPUHist=new tr.v.Histogram('webview_url_load_cpu_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);loadCPUHist.description='WebView blank URL load CPU time';for(const slice of model.getDescendantEvents()){if(!(slice instanceof tr.model.ThreadSlice))continue;if(slice.title==='WebViewStartupInterval'){startupWallHist.addSample(slice.duration);startupCPUHist.addSample(slice.cpuDuration);}
+tr.metrics.MetricRegistry.register(screenshotsBasedSpeedIndexMetric);return{screenshotsBasedSpeedIndexMetric};});'use strict';tr.exportTo('tr.metrics.sh',function(){function weblayerStartupMetric(histograms,model){const startupWallHist=new tr.v.Histogram('weblayer_startup_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);startupWallHist.description='WebLayer startup wall time';const loadWallHist=new tr.v.Histogram('weblayer_url_load_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);loadWallHist.description='WebLayer blank URL load wall time';for(const slice of model.getDescendantEvents()){if(!(slice instanceof tr.model.ThreadSlice))continue;if(slice.title==='WebLayerStartupInterval'){startupWallHist.addSample(slice.duration);}
+if(slice.title==='WebLayerBlankUrlLoadInterval'){loadWallHist.addSample(slice.duration);}}
+histograms.addHistogram(startupWallHist);histograms.addHistogram(loadWallHist);}
+tr.metrics.MetricRegistry.register(weblayerStartupMetric);return{weblayerStartupMetric,};});'use strict';tr.exportTo('tr.metrics.sh',function(){function webviewStartupMetric(histograms,model){const startupWallHist=new tr.v.Histogram('webview_startup_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);startupWallHist.description='WebView startup wall time';const startupCPUHist=new tr.v.Histogram('webview_startup_cpu_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);startupCPUHist.description='WebView startup CPU time';const loadWallHist=new tr.v.Histogram('webview_url_load_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);loadWallHist.description='WebView blank URL load wall time';const loadCPUHist=new tr.v.Histogram('webview_url_load_cpu_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);loadCPUHist.description='WebView blank URL load CPU time';for(const slice of model.getDescendantEvents()){if(!(slice instanceof tr.model.ThreadSlice))continue;if(slice.title==='WebViewStartupInterval'){startupWallHist.addSample(slice.duration);startupCPUHist.addSample(slice.cpuDuration);}
 if(slice.title==='WebViewBlankUrlLoadInterval'){loadWallHist.addSample(slice.duration);loadCPUHist.addSample(slice.cpuDuration);}}
 histograms.addHistogram(startupWallHist);histograms.addHistogram(startupCPUHist);histograms.addHistogram(loadWallHist);histograms.addHistogram(loadCPUHist);}
 tr.metrics.MetricRegistry.register(webviewStartupMetric);return{webviewStartupMetric,};});'use strict';tr.exportTo('tr.metrics.tabs',function(){function tabsMetric(histograms,model,opt_options){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper){return;}
 const tabSwitchRequestDelays=[];const TAB_SWITCHING_REQUEST_TITLE='TabSwitchVisibilityRequest';let startTabSwitchVisibilityRequest=Number.MAX_SAFE_INTEGER;for(const helper of chromeHelper.browserHelpers){if(!helper.mainThread)continue;for(const slice of helper.mainThread.asyncSliceGroup.slices){if(slice.title===TAB_SWITCHING_REQUEST_TITLE&&!slice.error){tabSwitchRequestDelays.push(slice.duration);if(slice.start<startTabSwitchVisibilityRequest){startTabSwitchVisibilityRequest=slice.start;}}}}
 histograms.createHistogram('tab_switching_request_delay',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,tabSwitchRequestDelays,{description:'Delay before tab-request is made',summaryOptions:{sum:false}});const tabSwitchLatencies=[];const TAB_SWITCHING_SLICE_TITLE='TabSwitching::Latency';function extractLatencyFromHelpers(helpers,legacy){for(const helper of helpers){if(!helper.mainThread){continue;}
-const thread=helper.mainThread;for(const slice of thread.asyncSliceGroup.slices){if(slice.title===TAB_SWITCHING_SLICE_TITLE&&(legacy||slice.args.latency)&&slice.start>startTabSwitchVisibilityRequest){tabSwitchLatencies.push(legacy?slice.duration:slice.args.latency);}}}}
+const thread=helper.mainThread;for(const slice of thread.asyncSliceGroup.slices){if(slice.title===TAB_SWITCHING_SLICE_TITLE&&(legacy||slice.args.latency)&&slice.start>startTabSwitchVisibilityRequest-1){tabSwitchLatencies.push(legacy?slice.duration:slice.args.latency);}}}}
 extractLatencyFromHelpers(chromeHelper.browserHelpers);extractLatencyFromHelpers(Object.values(chromeHelper.rendererHelpers));if(tabSwitchLatencies.length===0){extractLatencyFromHelpers(chromeHelper.browserHelpers,true);}
 histograms.createHistogram('tab_switching_latency',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,tabSwitchLatencies,{description:'Tab switching time in ms',summaryOptions:{sum:false}});}
 tr.metrics.MetricRegistry.register(tabsMetric,{supportsRangeOfInterest:false,});return{tabsMetric,};});'use strict';tr.exportTo('tr.metrics',function(){const MEMORY_INFRA_TRACING_CATEGORY='disabled-by-default-memory-infra';const TIME_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1e-3,1e5,30);const BYTE_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1e9,30);const COUNT_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1e5,30);const SUMMARY_OPTIONS=tr.v.Histogram.AVERAGE_ONLY_SUMMARY_OPTIONS;function addMemoryInfraHistograms(histograms,model,categoryNamesToTotalEventSizes){const memoryDumpCount=model.globalMemoryDumps.length;if(memoryDumpCount===0)return;let totalOverhead=0;let nonMemoryInfraThreadOverhead=0;const overheadByProvider={};for(const process of Object.values(model.processes)){for(const thread of Object.values(process.threads)){for(const slice of Object.values(thread.sliceGroup.slices)){if(slice.category!==MEMORY_INFRA_TRACING_CATEGORY)continue;totalOverhead+=slice.duration;if(thread.name!=='MemoryInfra'){nonMemoryInfraThreadOverhead+=slice.duration;}
@@ -9197,20 +8975,17 @@
 function mergeBins_(x,y){x.sum+=y.sum;const allBins=[...x.bins,...y.bins];allBins.sort((a,b)=>a.min-b.min);x.bins=[];let last=undefined;for(const bin of allBins){if(last!==undefined&&bin.min===last.min){if(last.max!==bin.max)throw new Error('Incompatible bins');if(bin.count===0)continue;last.count+=bin.count;for(const event of bin.events){last.events.add(event);}
 last.processes.addDiagnostic(bin.processes);}else{if(last!==undefined&&bin.min<last.max){throw new Error('Incompatible bins');}
 x.bins.push(bin);last=bin;}}}
-function subtractBins_(x,y){x.sum-=y.sum;let p1=0;let p2=0;while(p2<y.bins.length){while(p1<x.bins.length&&x.bins[p1].min!==y.bins[p2].min){p1++;}
-if(p1===x.bins.length)throw new Error('Cannot subtract');if(x.bins[p1].max!==y.bins[p2].max){throw new Error('Incompatible bins');}
-if(x.bins[p1].count<y.bins[p2].count){throw new Error('Cannot subtract');}
-x.bins[p1].count-=y.bins[p2].count;for(const event of y.bins[p2].events){x.bins[p1].events.add(event);}
-const processName=tr.b.getOnlyElement(x.bins[p1].processes)[0];x.bins[p1].processes.set(processName,x.bins[p1].count);p2++;}}
 function getHistogramUnit_(name){return tr.b.Unit.byName.unitlessNumber_smallerIsBetter;}
+function getIsHistogramBinsLinear_(histogramName){return histogramName.startsWith('Graphics.Smoothness.Throughput')||histogramName.startsWith('Memory.Memory.GPU.PeakMemoryUsage');}
 function getHistogramBoundaries_(name){if(name.startsWith('Event.Latency.Scroll')){return tr.v.HistogramBinBoundaries.createExponential(1e3,1e5,50);}
 if(name.startsWith('Graphics.Smoothness.Throughput')){return tr.v.HistogramBinBoundaries.createLinear(0,100,101);}
 if(name.startsWith('Memory.Memory.GPU.PeakMemoryUsage')){return tr.v.HistogramBinBoundaries.createLinear(0,1e6,100);}
 return tr.v.HistogramBinBoundaries.createExponential(1e-3,1e3,50);}
 function umaMetric(histograms,model){const histogramValues=new Map();const nameCounts=new Map();for(const process of model.getAllProcesses()){const histogramEvents=new Map();for(const event of process.instantEvents){if(event.title!=='UMAHistogramSamples')continue;const name=event.args.name;const events=histogramEvents.get(name)||[];if(!histogramEvents.has(name))histogramEvents.set(name,events);events.push(event);}
-let processName=tr.e.chrome.chrome_processes.canonicalizeProcessName(process.name);nameCounts.set(processName,(nameCounts.get(processName)||0)+1);processName=`${processName}_${nameCounts.get(processName)}`;for(const[name,events]of histogramEvents){const values=histogramValues.get(name)||{sum:0,bins:[]};if(!histogramValues.has(name))histogramValues.set(name,values);const endValues=parseBuckets_(events[events.length-1],processName);if(events.length===1){mergeBins_(values,endValues);}else if(events.length===2){subtractBins_(endValues,parseBuckets_(events[0],processName));mergeBins_(values,endValues);}else{throw new Error('There should be at most two snapshots of an UMA '+'histogram in each process');}}}
-for(const[name,values]of histogramValues){const histogram=new tr.v.Histogram(name,getHistogramUnit_(name),getHistogramBoundaries_(name));let sumOfMiddles=0;let sumOfBinLengths=0;for(const bin of values.bins){sumOfMiddles+=bin.count*(bin.min+bin.max)/2;sumOfBinLengths+=bin.count*(bin.max-bin.min);}
-const shift=(values.sum-sumOfMiddles)/sumOfBinLengths;if(Math.abs(shift)>0.5)throw new Error('Samples sum is wrong');for(const bin of values.bins){if(bin.count===0)continue;const shiftedValue=(bin.min+bin.max)/2+shift*(bin.max-bin.min);for(const[processName,count]of bin.processes){bin.processes.set(processName,shiftedValue*count/bin.count);}
+let processName=tr.e.chrome.chrome_processes.canonicalizeProcessName(process.name);nameCounts.set(processName,(nameCounts.get(processName)||0)+1);processName=`${processName}_${nameCounts.get(processName)}`;for(const[name,events]of histogramEvents){const values=histogramValues.get(name)||{sum:0,bins:[]};if(!histogramValues.has(name))histogramValues.set(name,values);const endValues=parseBuckets_(events[events.length-1],processName);if(events.length===1){mergeBins_(values,endValues,name);}else{throw new Error('There should be at most one snapshot of UMA '+`histogram for ${name} in each process.`);}}}
+for(const[name,values]of histogramValues){const histogram=new tr.v.Histogram(name,getHistogramUnit_(name),getHistogramBoundaries_(name));const isLinear=getIsHistogramBinsLinear_(name);let sumOfMiddles=0;let sumOfBinLengths=0;for(const bin of values.bins){sumOfMiddles+=bin.count*(bin.min+bin.max)/2;sumOfBinLengths+=bin.count*(bin.max-bin.min);}
+const shift=(values.sum-sumOfMiddles)/sumOfBinLengths;if(isLinear&&Math.abs(shift)>0.5){throw new Error(`Samples sum is wrong for ${name}.`);}
+for(const bin of values.bins){if(bin.count===0)continue;const shiftedValue=(bin.min+bin.max)/2+shift*(bin.max-bin.min);for(const[processName,count]of bin.processes){bin.processes.set(processName,shiftedValue*count/bin.count);}
 for(let i=0;i<bin.count;i++){histogram.addSample(shiftedValue,{processes:bin.processes,events:bin.events});}}
 histograms.addHistogram(histogram);}}
 tr.metrics.MetricRegistry.register(umaMetric,{requiredCategories:['benchmark'],});return{umaMetric,};});'use strict';tr.exportTo('tr.metrics.v8',function(){const CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(4,200,100);function computeExecuteMetrics(histograms,model){const cpuTotalExecution=new tr.v.Histogram('v8_execution_cpu_total',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);cpuTotalExecution.description='cpu total time spent in script execution';const wallTotalExecution=new tr.v.Histogram('v8_execution_wall_total',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);wallTotalExecution.description='wall total time spent in script execution';const cpuSelfExecution=new tr.v.Histogram('v8_execution_cpu_self',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);cpuSelfExecution.description='cpu self time spent in script execution';const wallSelfExecution=new tr.v.Histogram('v8_execution_wall_self',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);wallSelfExecution.description='wall self time spent in script execution';for(const e of model.findTopmostSlicesNamed('V8.Execute')){cpuTotalExecution.addSample(e.cpuDuration);wallTotalExecution.addSample(e.duration);cpuSelfExecution.addSample(e.cpuSelfTime);wallSelfExecution.addSample(e.selfTime);}
@@ -9230,9 +9005,54 @@
 function computeDeoptimizeCodeMetrics(histograms,model){const cpuTotalDeoptimizeCode=new tr.v.Histogram('v8_deoptimize_code_cpu_total',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);cpuTotalDeoptimizeCode.description='cpu total time spent in code deoptimization';const wallTotalDeoptimizeCode=new tr.v.Histogram('v8_deoptimize_code_wall_total',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);wallTotalDeoptimizeCode.description='wall total time spent in code deoptimization';for(const e of model.findTopmostSlicesNamed('V8.DeoptimizeCode')){cpuTotalDeoptimizeCode.addSample(e.cpuDuration);wallTotalDeoptimizeCode.addSample(e.duration);}
 histograms.addHistogram(cpuTotalDeoptimizeCode);histograms.addHistogram(wallTotalDeoptimizeCode);}
 function executionMetric(histograms,model){computeExecuteMetrics(histograms,model);computeParseLazyMetrics(histograms,model);computeCompileIgnitionMetrics(histograms,model);computeCompileFullCodeMetrics(histograms,model);computeRecompileMetrics(histograms,model);computeOptimizeCodeMetrics(histograms,model);computeDeoptimizeCodeMetrics(histograms,model);}
-tr.metrics.MetricRegistry.register(executionMetric);return{executionMetric,};});'use strict';tr.exportTo('tr.metrics.v8',function(){const TARGET_FPS=60;const MS_PER_SECOND=1000;const WINDOW_SIZE_MS=MS_PER_SECOND/TARGET_FPS;function gcMetric(histograms,model,options){options=options||{};addDurationOfTopEvents(histograms,model);addTotalDurationOfTopEvents(histograms,model);if(options.include_sub_events){addDurationOfSubEvents(histograms,model);}
-addPercentageInV8ExecuteOfTopEvents(histograms,model);addTotalPercentageInV8Execute(histograms,model);addMarkCompactorMutatorUtilization(histograms,model);addTotalMarkCompactorTime(histograms,model);addTotalMarkCompactorMarkingTime(histograms,model);}
-tr.metrics.MetricRegistry.register(gcMetric);const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const percentage_biggerIsBetter=tr.b.Unit.byName.normalizedPercentage_biggerIsBetter;const percentage_smallerIsBetter=tr.b.Unit.byName.normalizedPercentage_smallerIsBetter;const CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,20,200).addExponentialBins(200,100);function createNumericForTopEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:true,max:true,min:false,std:true,sum:true,percentile:[0.90]});return n;}
+tr.metrics.MetricRegistry.register(executionMetric);return{executionMetric,};});'use strict';tr.exportTo('tr.metrics.v8',function(){const TARGET_FPS=60;const MS_PER_SECOND=1000;const WINDOW_SIZE_MS=MS_PER_SECOND/TARGET_FPS;const EPSILON=1e-6;const METRICS=['v8:gc:cycle:full','v8:gc:cycle:full:cpp','v8:gc:cycle:full:mark','v8:gc:cycle:full:mark:cpp','v8:gc:cycle:full:weak','v8:gc:cycle:full:weak:cpp','v8:gc:cycle:full:sweep','v8:gc:cycle:full:sweep:cpp','v8:gc:cycle:full:compact','v8:gc:cycle:full:compact:cpp','v8:gc:cycle:main_thread:full','v8:gc:cycle:main_thread:full:cpp','v8:gc:cycle:main_thread:full:mark','v8:gc:cycle:main_thread:full:mark:cpp','v8:gc:cycle:main_thread:full:weak','v8:gc:cycle:main_thread:full:weak:cpp','v8:gc:cycle:main_thread:full:sweep','v8:gc:cycle:main_thread:full:sweep:cpp','v8:gc:cycle:main_thread:full:compact','v8:gc:cycle:main_thread:full:compact:cpp','v8:gc:event:main_thread:full:atomic','v8:gc:event:main_thread:full:atomic:cpp','v8:gc:event:main_thread:full:atomic:mark','v8:gc:event:main_thread:full:atomic:mark:cpp','v8:gc:event:main_thread:full:atomic:weak','v8:gc:event:main_thread:full:atomic:weak:cpp','v8:gc:event:main_thread:full:atomic:sweep','v8:gc:event:main_thread:full:atomic:sweep:cpp','v8:gc:event:main_thread:full:atomic:compact','v8:gc:event:main_thread:full:atomic:compact:cpp','v8:gc:event:main_thread:full:incremental','v8:gc:event:main_thread:full:incremental:cpp','v8:gc:event:main_thread:full:incremental:mark','v8:gc:event:main_thread:full:incremental:mark:cpp','v8:gc:event:main_thread:full:incremental:sweep','v8:gc:event:main_thread:full:incremental:sweep:cpp','v8:gc:cycle:young','v8:gc:cycle:main_thread:young',];const V8_FULL_ATOMIC_EVENTS=['V8.GCCompactor','V8.GCFinalizeMC','V8.GCFinalizeMCReduceMemory',];const V8_FULL_MARK_EVENTS=['V8.GC_MC_BACKGROUND_MARKING','V8.GC_MC_MARK','V8.GCIncrementalMarking','V8.GCIncrementalMarkingFinalize','V8.GCIncrementalMarkingStart',];const V8_FULL_COMPACT_EVENTS=['V8.GC_MC_BACKGROUND_EVACUATE_COPY','V8.GC_MC_BACKGROUND_EVACUATE_UPDATE_POINTERS','V8.GC_MC_EVACUATE',];const V8_FULL_SWEEP_EVENTS=['V8.GC_MC_BACKGROUND_SWEEPING','V8.GC_MC_SWEEP',];const V8_FULL_WEAK_EVENTS=['V8.GC_MC_CLEAR',];const V8_YOUNG_EVENTS=['V8.GC_SCAVENGER_BACKGROUND_SCAVENGE_PARALLEL','V8.GCScavenger',];const CPP_GC_FULL_MARK_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.AtomicPauseMarkTransitiveClosure','BlinkGC.ConcurrentMarkingStep','BlinkGC.IncrementalMarkingStartMarking','BlinkGC.IncrementalMarkingStep','BlinkGC.MarkBailOutObjects','BlinkGC.MarkFlushEphemeronPairs','BlinkGC.MarkFlushV8References','BlinkGC.UnifiedMarkingStep',];const CPP_GC_FULL_COMPACT_EVENTS=['BlinkGC.AtomicPauseSweepAndCompact',];const CPP_GC_FULL_SWEEP_EVENTS=['BlinkGC.CompleteSweep','BlinkGC.ConcurrentSweepingStep','BlinkGC.LazySweepInIdle','BlinkGC.LazySweepOnAllocation',];const RULES=[{events:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic',},{events:V8_FULL_MARK_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:mark',},{events:CPP_GC_FULL_MARK_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:mark:cpp',},{events:V8_FULL_MARK_EVENTS,outside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:incremental:mark',},{events:CPP_GC_FULL_MARK_EVENTS,outside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:incremental:mark:cpp',},{events:V8_FULL_COMPACT_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:compact',},{events:CPP_GC_FULL_COMPACT_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:compact:cpp',},{events:V8_FULL_SWEEP_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:sweep',},{events:CPP_GC_FULL_SWEEP_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:sweep:cpp',},{events:V8_FULL_WEAK_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:weak',},{events:V8_FULL_SWEEP_EVENTS,outside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:incremental:sweep',},{events:CPP_GC_FULL_SWEEP_EVENTS,outside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:incremental:sweep:cpp',},{events:V8_YOUNG_EVENTS,contribute_to:'young:atomic',},];const Granularity={CYCLE:'cycle',EVENT:'event',};const ThreadType={MAIN:'main',BACKGROUND:'background',ALL_THREADS:'all_threads',};class Metric{constructor(name){const parts=name.split(':');this.granularity_=parts[2];assert(this.granularity_===Granularity.CYCLE||this.granularity_===Granularity.EVENT);this.thread_=ThreadType.ALL_THREADS;let phasesIndex=3;if(parts[3]==='main_thread'){this.thread_=ThreadType.MAIN;phasesIndex=4;}
+if(parts[3]==='background_threads'){this.thread_=ThreadType.BACKGROUND;phasesIndex=4;}
+this.phases_=parts.slice(phasesIndex);const maxValue=this.isPerCycleMetric()?10000:1000;const boundaries=tr.v.HistogramBinBoundaries.createExponential(0.1,maxValue,100);this.histogram=new tr.v.Histogram(name,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,boundaries);this.histogram.customizeSummaryOptions({avg:true,count:true,max:true,min:false,std:false,sum:this.isPerCycleMetric(),});}
+isPerCycleMetric(){return this.granularity_===Granularity.CYCLE;}
+isMoreGeneralThanOrEqualTo(phases){const phasesSet=new Set(phases.split(':'));return this.phases_.every(phase=>phasesSet.has(phase));}
+contributingEvents(rules,events){const eventsByName=groupBy(events,e=>e.title);function matches(rule,event){function isEnclosing(name){if(!eventsByName.has(name))return false;return eventsByName.get(name).some(e=>encloses(e,event));}
+if(!rule.events.includes(event.title)){return false;}
+if(rule.inside&&!rule.inside.some(isEnclosing)){return false;}
+if(rule.outside&&rule.outside.some(isEnclosing)){return false;}
+return true;}
+const result=[];for(const event of events){const matching=rules.filter(r=>matches(r,event));if(matching.length===0){continue;}
+assert(matching.length===1,`${event.userFriendlyName} matches more than one rule: `+
+JSON.stringify(matching));if(this.isMoreGeneralThanOrEqualTo(matching[0].contribute_to)){result.push(event);}}
+return result;}
+apply(rules,events,threadTypes){const filtered=this.contributingEvents(rules,events);const eventsByThread=groupBy(filtered,e=>e.parentContainer.tid);let flattened=[];for(const[tid,threadEvents]of eventsByThread){if(this.thread_===ThreadType.ALL_THREADS||this.thread_===threadTypes.get(tid)){flattened=flattened.concat(flatten(threadEvents));}}
+if(this.isPerCycleMetric()){let sum=0;for(const event of flattened){sum+=event.cpuDuration;}
+if(flattened.length>0){this.histogram.addSample(sum);}}else{for(const event of flattened){this.histogram.addSample(event.cpuDuration);}}}}
+function assert(condition,message){if(!condition){throw new Error(message);}}
+function groupBy(objects,keyCallback){const result=new Map();for(const object of objects){const group=keyCallback(object);if(result.has(group)){result.get(group).push(object);}else{result.set(group,[object]);}}
+return result;}
+function eventsMentionedIn(rules){let result=[];for(const rule of rules){result=result.concat(rule.events);if(rule.inside){result=result.concat(rule.inside);}
+if(rule.outside){result=result.concat(rule.outside);}}
+return result;}
+function encloses(event1,event2){return(event1.start-EPSILON<=event2.start&&event2.end<=event1.end+EPSILON);}
+function jsExecutionThreadsWithTypes(rendererHelper){const mainThreads=([rendererHelper.mainThread].concat(rendererHelper.dedicatedWorkerThreads).concat(rendererHelper.serviceWorkerThreads));const backgroundThreads=rendererHelper.foregroundWorkerThreads;const threadTypes=new Map();for(const thread of mainThreads){threadTypes.set(thread.tid,ThreadType.MAIN);}
+for(const thread of backgroundThreads){threadTypes.set(thread.tid,ThreadType.BACKGROUND);}
+return[mainThreads.concat(backgroundThreads),threadTypes];}
+function flatten(events){function compareWithEpsilon(a,b){if(a.start<b.start-EPSILON)return-1;if(a.start>b.start+EPSILON)return 1;return b.end-a.end;}
+events.sort(compareWithEpsilon);let last=events[0];const result=[last];for(const e of events){if(e.end>last.end+EPSILON){assert(e.start>=last.end-EPSILON,'Overlapping events: '+
+e.userFriendlyName+' '+
+last.userFriendlyName);result.push(e);last=e;}}
+return result;}
+function groupByEpoch(events){function isV8Event(event){return event.category&&event.category.includes('v8');}
+function getEpoch(event){function checkEpochConsistency(epoch,event){if(epoch===null)return;assert(epoch===event.args.epoch,`${event.userFriendlyName} has epoch ${event.args.epoch} `+`which contradicts the epoch of nested events ${epoch}`);}
+const result={v8:null,cpp:null};while(event){if('epoch'in event.args){if(isV8Event(event)){checkEpochConsistency(result.v8,event);result.v8=event.args.epoch;}else{checkEpochConsistency(result.cpp,event);result.cpp=event.args.epoch;}}
+event=event.parentSlice;}
+return result;}
+const cppToV8=new Map();for(const event of events){const epoch=getEpoch(event);if(epoch.cpp!==null&&epoch.v8!==null){assert(!cppToV8.has(epoch.cpp)||cppToV8.get(epoch.cpp)===epoch.v8,`CppGC epoch ${epoch.cpp} corresponds to two v8 epochs `+`${cppToV8.get(epoch.cpp)} and ${epoch.v8}. `+`Detected at ${event.userFriendlyName}.`);cppToV8.set(epoch.cpp,epoch.v8);}}
+const result=new Map();for(const event of events){const epoch=getEpoch(event);if(epoch.cpp===null&&epoch.v8===null){continue;}
+assert(epoch.cpp===null||cppToV8.has(epoch.cpp),`CppGC epoch ${epoch.cpp} doesn't have the corresponding V8 epoch. `+`Detected at ${event.userFriendlyName}`);const key=epoch.v8===null?cppToV8.get(epoch.cpp):epoch.v8;if(result.has(key)){result.get(key).push(event);}else{result.set(key,[event]);}}
+return result;}
+function addGarbageCollectionMetrics(metricNames,histograms,model){const metrics=metricNames.map(name=>new Metric(name));const gcEventNames=new Set(eventsMentionedIn(RULES));const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(rendererHelper.isChromeTracingUI)continue;const[threads,threadTypes]=jsExecutionThreadsWithTypes(rendererHelper);const events=[];for(const thread of threads){for(const event of thread.sliceGroup.childEvents()){if(gcEventNames.has(event.title)){events.push(event);}}}
+for(const cycleEvents of groupByEpoch(events).values()){if(cycleEvents.some(tr.metrics.v8.utils.isForcedGarbageCollectionEvent)){continue;}
+for(const metric of metrics){metric.apply(RULES,cycleEvents,threadTypes);}}}
+for(const metric of metrics){histograms.addHistogram(metric.histogram);}}
+function gcMetric(histograms,model,options){options=options||{};addDurationOfTopEvents(histograms,model);addTotalDurationOfTopEvents(histograms,model);if(options.include_sub_events){addDurationOfSubEvents(histograms,model);}
+addPercentageInV8ExecuteOfTopEvents(histograms,model);addTotalPercentageInV8Execute(histograms,model);addMarkCompactorMutatorUtilization(histograms,model);addTotalMarkCompactorTime(histograms,model);addTotalMarkCompactorMarkingTime(histograms,model);addScavengerSurvivedFromStackEvents(histograms,model);}
+tr.metrics.MetricRegistry.register(gcMetric);const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const percentage_biggerIsBetter=tr.b.Unit.byName.normalizedPercentage_biggerIsBetter;const percentage_smallerIsBetter=tr.b.Unit.byName.normalizedPercentage_smallerIsBetter;const bytes_smallerIsBetter=tr.b.Unit.byName.sizeInBytes_smallerIsBetter;const CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,20,200).addExponentialBins(200,100);function createNumericForTopEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:true,max:true,min:false,std:true,sum:true,percentile:[0.90]});return n;}
 function createNumericForSubEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:false,max:true,min:false,std:false,sum:false,percentile:[0.90]});return n;}
 function createNumericForIdleTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:false,max:true,min:false,std:false,sum:true,percentile:[]});return n;}
 function createPercentage(name,numerator,denominator,unit){const hist=new tr.v.Histogram(name,unit);if(denominator===0){hist.addSample(0);}else{hist.addSample(numerator/denominator);}
@@ -9245,13 +9065,16 @@
 histograms.addHistogram(foregroundDuration);histograms.addHistogram(backgroundDuration);histograms.addHistogram(totalDuration,{breakdown:relatedNames});}
 function addTotalMarkCompactorTime(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isV8MarkCompactorSummary,event=>'v8-gc-mark-compactor',(name,events)=>createHistogramFromSummary(histograms,name,events),['v8-gc-mark-compactor']);}
 function addTotalMarkCompactorMarkingTime(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isV8MarkCompactorMarkingSummary,event=>'v8-gc-mark-compactor-marking',(name,events)=>createHistogramFromSummary(histograms,name,events),['v8-gc-mark-compactor-marking']);}
+function createNumericForTotalBytes(name){const n=new tr.v.Histogram(name,bytes_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:false,count:false,max:false,min:false,std:false,sum:true,percentile:[]});return n;}
+function createNumericForSampledPercent(name){const n=new tr.v.Histogram(name,percentage_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:false,max:true,min:true,std:true,sum:false,percentile:[]});return n;}
+function addScavengerSurvivedFromStackEvents(histograms,model){const baseName='v8-gc-scavenger-survived';tr.metrics.v8.utils.groupAndProcessEvents(model,tr.metrics.v8.utils.isScavengerStackScanningEvent,event=>baseName,function(name,events){const sampledPercentage=createNumericForSampledPercent(baseName+'-percentage-from-stack');let survivedWithoutStack=0;let survivedWithStack=0;events.forEach(function(event){const bytesBefore=event.args.survived_bytes_before;const bytesAfter=event.args.survived_bytes_after;sampledPercentage.addSample((bytesAfter>0)?(bytesAfter-bytesBefore)/bytesAfter:0);survivedWithoutStack+=bytesBefore;survivedWithStack+=bytesAfter;});histograms.addHistogram(sampledPercentage);const totalBytesSurvivedWithoutStack=createNumericForTotalBytes(baseName+'-total-bytes-without-stack');totalBytesSurvivedWithoutStack.addSample(survivedWithoutStack);histograms.addHistogram(totalBytesSurvivedWithoutStack);const totalBytesSurvivedWithStack=createNumericForTotalBytes(baseName+'-total-bytes-with-stack');totalBytesSurvivedWithStack.addSample(survivedWithStack);histograms.addHistogram(totalBytesSurvivedWithStack);const overallPercentage=createPercentage(baseName+'-total-percentage-from-stack',survivedWithStack-survivedWithoutStack,survivedWithStack,percentage_smallerIsBetter);histograms.addHistogram(overallPercentage);},[baseName]);}
 function addDurationOfSubEvents(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,tr.metrics.v8.utils.isNotForcedSubGarbageCollectionEvent,tr.metrics.v8.utils.subGarbageCollectionEventName,function(name,events){const cpuDuration=createNumericForSubEventTime(name);events.forEach(function(event){cpuDuration.addSample(event.cpuDuration);});histograms.addHistogram(cpuDuration);});}
 function addPercentageInV8ExecuteOfTopEvents(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,tr.metrics.v8.utils.isNotForcedTopGarbageCollectionEvent,tr.metrics.v8.utils.topGarbageCollectionEventName,function(name,events){addPercentageInV8Execute(histograms,model,name,events);},tr.metrics.v8.utils.topGarbageCollectionEventNames());}
 function addTotalPercentageInV8Execute(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,tr.metrics.v8.utils.isNotForcedTopGarbageCollectionEvent,event=>'v8-gc-total',function(name,events){addPercentageInV8Execute(histograms,model,name,events);},['v8-gc-total']);}
 function addPercentageInV8Execute(histograms,model,name,events){let cpuDurationInV8Execute=0;let cpuDurationTotal=0;events.forEach(function(event){const v8Execute=tr.metrics.v8.utils.findParent(event,tr.metrics.v8.utils.isV8ExecuteEvent);if(v8Execute){cpuDurationInV8Execute+=event.cpuDuration;}
 cpuDurationTotal+=event.cpuDuration;});const percentage=createPercentage(name+'_percentage_in_v8_execute',cpuDurationInV8Execute,cpuDurationTotal,percentage_smallerIsBetter);histograms.addHistogram(percentage);}
 function addMarkCompactorMutatorUtilization(histograms,model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const rendererHelpers=Object.values(chromeHelper.rendererHelpers);tr.metrics.v8.utils.addMutatorUtilization('v8-gc-mark-compactor-mmu',tr.metrics.v8.utils.isNotForcedMarkCompactorEvent,[100],rendererHelpers,histograms);}
-return{gcMetric,WINDOW_SIZE_MS,};});'use strict';tr.exportTo('tr.metrics.v8',function(){const COUNT_CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1000000,50);const DURATION_CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(0.1,10000,50);const SUMMARY_OPTIONS={std:false,count:false,sum:false,min:false,max:false,};function convertMicroToMilli_(time){return tr.b.convertUnit(time,tr.b.UnitPrefixScale.METRIC.MICRO,tr.b.UnitPrefixScale.METRIC.MILLI);}
+return{gcMetric,WINDOW_SIZE_MS,addGarbageCollectionMetrics,};});'use strict';tr.exportTo('tr.metrics.v8',function(){const COUNT_CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1000000,50);const DURATION_CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(0.1,10000,50);const SUMMARY_OPTIONS={std:false,count:false,sum:false,min:false,max:false,};function convertMicroToMilli_(time){return tr.b.convertUnit(time,tr.b.UnitPrefixScale.METRIC.MICRO,tr.b.UnitPrefixScale.METRIC.MILLI);}
 function addDurationHistogram(histogramName,time,histograms){const value=convertMicroToMilli_(time);histograms.createHistogram(`${histogramName}:duration`,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,{value},{binBoundaries:DURATION_CUSTOM_BOUNDARIES,summaryOptions:SUMMARY_OPTIONS,});}
 function addCountHistogram(histogramName,value,histograms){histograms.createHistogram(`${histogramName}:count`,tr.b.Unit.byName.count_smallerIsBetter,{value},{binBoundaries:COUNT_CUSTOM_BOUNDARIES,summaryOptions:SUMMARY_OPTIONS});}
 function runtimeStatsTotalMetric(histograms,model){const v8Slices=tr.metrics.v8.utils.filterEvents(model,ev=>ev instanceof tr.e.v8.V8ThreadSlice);const runtimeGroupCollection=new tr.e.v8.RuntimeStatsGroupCollection();runtimeGroupCollection.addSlices(v8Slices);let overallV8Time=runtimeGroupCollection.totalTime;let overallV8Count=runtimeGroupCollection.totalCount;let mainThreadTime=runtimeGroupCollection.totalTime;let mainThreadCount=runtimeGroupCollection.totalCount;let mainThreadV8Time=runtimeGroupCollection.totalTime;let mainThreadV8Count=runtimeGroupCollection.totalCount;for(const runtimeGroup of runtimeGroupCollection.runtimeGroups){addDurationHistogram(runtimeGroup.name,runtimeGroup.time,histograms);if(runtimeGroup.name==='Blink C++'){overallV8Time-=runtimeGroup.time;mainThreadV8Time-=runtimeGroup.time;}else if(runtimeGroup.name.includes('Background')){mainThreadTime-=runtimeGroup.time;mainThreadV8Time-=runtimeGroup.time;}
@@ -9259,7 +9082,15 @@
 if(runtimeGroupCollection.blinkRCSGroupCollection.totalTime>0){const blinkRCSGroupCollection=runtimeGroupCollection.blinkRCSGroupCollection;for(const group of blinkRCSGroupCollection.runtimeGroups){addDurationHistogram(group.name,group.time,histograms);addCountHistogram(group.name,group.count,histograms);}}
 addDurationHistogram('V8-Only',overallV8Time,histograms);addCountHistogram('V8-Only',overallV8Count,histograms);addDurationHistogram('Total-Main-Thread',mainThreadTime,histograms);addCountHistogram('Total-Main-Thread',mainThreadCount,histograms);addDurationHistogram('V8-Only-Main-Thread',mainThreadV8Time,histograms);addCountHistogram('V8-Only-Main-Thread',mainThreadV8Count,histograms);}
 tr.metrics.MetricRegistry.register(runtimeStatsTotalMetric);return{runtimeStatsTotalMetric,};});'use strict';tr.exportTo('tr.metrics.v8',function(){function v8AndMemoryMetrics(histograms,model){tr.metrics.v8.executionMetric(histograms,model);tr.metrics.v8.gcMetric(histograms,model);tr.metrics.sh.memoryMetric(histograms,model,{rangeOfInterest:tr.metrics.v8.utils.rangeForMemoryDumps(model)});}
-tr.metrics.MetricRegistry.register(v8AndMemoryMetrics);return{v8AndMemoryMetrics,};});'use strict';tr.exportTo('tr.metrics.vr',function(){const VR_GL_THREAD_NAME='VrShellGL';function createHistograms(histograms,name,options,hasCpuTime){const createdHistograms={wall:histograms.createHistogram(name+'_wall',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],options)};if(hasCpuTime){createdHistograms.cpu=histograms.createHistogram(name+'_cpu',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],options);}
+tr.metrics.MetricRegistry.register(v8AndMemoryMetrics);return{v8AndMemoryMetrics,};});'use strict';tr.exportTo('tr.metrics.v8',function(){function computeSyncInstantiationTimeMetric(histograms,wasmEvents){if(!wasmEvents.hasOwnProperty('wasm.SyncInstantiate'))return;const wasmSyncInstantiationTimeCPU=new tr.v.Histogram('v8:wasm:sync_instantiate:cpu_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);wasmSyncInstantiationTimeCPU.description='cpu time spent instantiating a WebAssembly module';const wasmSyncInstantiationTimeWall=new tr.v.Histogram('v8:wasm:sync_instantiate:wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);wasmSyncInstantiationTimeWall.description='wall time spent instantiating a WebAssembly module';for(const e of wasmEvents['wasm.SyncInstantiate']){wasmSyncInstantiationTimeCPU.addSample(e.cpuDuration);wasmSyncInstantiationTimeWall.addSample(e.duration);}
+histograms.addHistogram(wasmSyncInstantiationTimeCPU);histograms.addHistogram(wasmSyncInstantiationTimeWall);}
+function computeStreamingBaselineCompileTimeMetric(histograms,wasmEvents){if(!wasmEvents.hasOwnProperty('wasm.StartStreamingCompilation')||!wasmEvents.hasOwnProperty('wasm.BaselineFinished')){return;}
+const histogram=new tr.v.Histogram('v8:wasm:streaming_baseline_compilation:wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);const compilationStart=wasmEvents['wasm.StartStreamingCompilation'][0].start;const compilationEnd=wasmEvents['wasm.BaselineFinished'][0].end;histogram.addSample(compilationEnd-compilationStart);histograms.addHistogram(histogram);}
+function computeCompilationTierupWallTimeMetric(histograms,wasmEvents){if(!wasmEvents.hasOwnProperty('wasm.BaselineFinished')||!wasmEvents.hasOwnProperty('wasm.TopTierFinished')){return;}
+const histogram=new tr.v.Histogram('v8:wasm:compilation_tierup:wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);const tierupStart=wasmEvents['wasm.BaselineFinished'][0].start;const tierupEnd=wasmEvents['wasm.TopTierFinished'][0].end;histogram.addSample(tierupEnd-tierupStart);histograms.addHistogram(histogram);}
+function collectWasmEvents(model){const wasmEvents=tr.metrics.v8.utils.filterAndOrderEvents(model,event=>event.title.startsWith('wasm.'),event=>event.title);return wasmEvents;}
+function wasmMetric(histograms,model){const wasmEvents=collectWasmEvents(model);computeSyncInstantiationTimeMetric(histograms,wasmEvents);computeStreamingBaselineCompileTimeMetric(histograms,wasmEvents);computeCompilationTierupWallTimeMetric(histograms,wasmEvents);}
+tr.metrics.MetricRegistry.register(wasmMetric);return{wasmMetric,};});'use strict';tr.exportTo('tr.metrics.vr',function(){const VR_GL_THREAD_NAME='VrShellGL';function createHistograms(histograms,name,options,hasCpuTime){const createdHistograms={wall:histograms.createHistogram(name+'_wall',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],options)};if(hasCpuTime){createdHistograms.cpu=histograms.createHistogram(name+'_cpu',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],options);}
 return createdHistograms;}
 function frameCycleDurationMetric(histograms,model,opt_options){const histogramsByEventTitle=new Map();const expectationEvents=tr.importer.VR_EXPECTATION_EVENTS;for(const eventName in expectationEvents){const extraInfo=expectationEvents[eventName];histogramsByEventTitle.set(eventName,createHistograms(histograms,extraInfo.histogramName,{description:extraInfo.description},extraInfo.hasCpuTime));}
 histogramsByEventTitle.set('UiScene::OnBeginFrame.UpdateAnimationsAndOpacity',createHistograms(histograms,'update_animations_and_opacity',{description:'Duration to apply animation and opacity changes'},true));histogramsByEventTitle.set('UiScene::OnBeginFrame.UpdateBindings',createHistograms(histograms,'update_bindings',{description:'Duration to push binding values'},true));histogramsByEventTitle.set('UiScene::OnBeginFrame.UpdateLayout',createHistograms(histograms,'update_layout',{description:'Duration to compute element sizes, layout and textures'},true));histogramsByEventTitle.set('UiScene::OnBeginFrame.UpdateWorldSpaceTransform',createHistograms(histograms,'update_world_space_transforms',{description:'Duration to calculate element transforms in world space'},true));histogramsByEventTitle.set('UiRenderer::DrawUiView',createHistograms(histograms,'draw_ui',{description:'Duration to draw the UI'},true));histogramsByEventTitle.set('UiElementRenderer::DrawTexturedQuad',createHistograms(histograms,'draw_textured_quad',{description:'Duration to draw a textured element'},true));histogramsByEventTitle.set('UiElementRenderer::DrawGradientQuad',createHistograms(histograms,'draw_gradient_quad',{description:'Duration to draw a gradient element'},true));histogramsByEventTitle.set('UiElementRenderer::DrawGradientGridQuad',createHistograms(histograms,'draw_gradient_grid_quad',{description:'Duration to draw a gradient grid element'},true));histogramsByEventTitle.set('UiElementRenderer::DrawController',createHistograms(histograms,'draw_controller',{description:'Duration to draw the controller'},true));histogramsByEventTitle.set('UiElementRenderer::DrawLaser',createHistograms(histograms,'draw_laser',{description:'Duration to draw the laser'},true));histogramsByEventTitle.set('UiElementRenderer::DrawReticle',createHistograms(histograms,'draw_reticle',{description:'Duration to draw the reticle'},true));histogramsByEventTitle.set('UiElementRenderer::DrawShadow',createHistograms(histograms,'draw_shadow',{description:'Duration to draw a shadow element'},true));histogramsByEventTitle.set('UiElementRenderer::DrawStars',createHistograms(histograms,'draw_stars',{description:'Duration to draw the stars'},true));histogramsByEventTitle.set('UiElementRenderer::DrawBackground',createHistograms(histograms,'draw_background',{description:'Duration to draw the textured background'},true));histogramsByEventTitle.set('UiElementRenderer::DrawKeyboard',createHistograms(histograms,'draw_keyboard',{description:'Duration to draw the keyboard'},true));const drawUiSubSlicesMap=new Map();const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);let rangeOfInterest=model.bounds;const userExpectationsOfInterest=[tr.model.um.AnimationExpectation];if(opt_options&&opt_options.rangeOfInterest){rangeOfInterest=opt_options.rangeOfInterest;userExpectationsOfInterest.push(tr.model.um.ResponseExpectation);}
@@ -9315,7 +9146,18 @@
 function getSmoothnessStats(driftTimes){const meanDriftTime=tr.b.math.Statistics.mean(driftTimes);const normDriftTimes=driftTimes.map(driftTime=>Math.abs(driftTime-meanDriftTime));const framesSeverelyOutOfSync=normDriftTimes.filter(driftTime=>driftTime>2*VSYNC_DURATION_US).length;const framesOutOfSync=normDriftTimes.filter(driftTime=>driftTime>VSYNC_DURATION_US).length;const percentBadlyOutOfSync=framesSeverelyOutOfSync/driftTimes.length;const percentOutOfSync=framesOutOfSync/driftTimes.length;const framesOutOfSyncOnlyOnce=framesOutOfSync-framesSeverelyOutOfSync;let smoothnessScore=1-(framesOutOfSyncOnlyOnce+
 SEVERITY*framesSeverelyOutOfSync)/driftTimes.length;if(smoothnessScore<0){smoothnessScore=0;}
 return{framesOutOfSync,framesSeverelyOutOfSync,percentBadlyOutOfSync,percentOutOfSync,smoothnessScore};}
-return{webrtcRenderingMetric,};});'use strict';Polymer({is:'tr-ui-a-alert-sub-view',behaviors:[tr.ui.analysis.AnalysisSubView],ready(){this.currentSelection_=undefined;this.$.table.tableColumns=[{title:'Label',value(row){return row.name;},width:'150px'},{title:'Value',width:'100%',value(row){return row.value;}}];this.$.table.showHeader=false;},get selection(){return this.currentSelection_;},set selection(selection){this.currentSelection_=selection;this.updateContents_();},getRowsForSingleAlert_(alert){const rows=[];for(const argName in alert.args){const argView=document.createElement('tr-ui-a-generic-object-view');argView.object=alert.args[argName];rows.push({name:argName,value:argView});}
+return{webrtcRenderingMetric,};});'use strict';tr.exportTo('tr.metrics.webui',function(){function webuiMetric(histograms,model,opt_options){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper){return;}
+const WEBUI_TITLE_PREFIX='webui_metric:';const traces=new Map();const benchmarkValues=new Map();for(const helper of chromeHelper.browserHelpers){if(!helper.mainThread)continue;for(const slice of helper.mainThread.sliceGroup.slices.concat(helper.mainThread.asyncSliceGroup.slices)){if(!slice.error&&slice.title.startsWith(WEBUI_TITLE_PREFIX)){if(!traces.has(slice.title)){traces.set(slice.title,[]);}
+traces.get(slice.title).push(slice.duration);}}}
+const BENCHMARK_BEGIN='benchmark_begin';const BENCHMARK_END='benchmark_end';const BENCHMARK_VALUE='benchmark_value';const marks=new Map();for(const helper of Object.values(chromeHelper.rendererHelpers)){for(const event of helper.mainThread.sliceGroup.childEvents()){const navId=getNavigationId(event);if(!navId||!event.category.includes('blink.user_timing'))continue;const{title}=event;const index=title.lastIndexOf(':');if(index===-1){continue;}
+const name=title.substring(0,index);const lastPart=title.substring(index+1);if(lastPart===BENCHMARK_BEGIN){marks.set(name,event);}else if(lastPart===BENCHMARK_END){if(!marks.has(name)){continue;}
+const range=tr.b.math.Range.fromExplicitRange(marks.get(name).start,event.start);if(!traces.has(name)){traces.set(name,[]);}
+traces.get(name).push(range.duration);marks.delete(name);}else if(lastPart===BENCHMARK_VALUE){const index2=name.lastIndexOf(':');if(index2===-1){continue;}
+const key=name.substring(0,index2);const value=Number(name.substring(index2+1));if(key&&!isNaN(value)){if(!benchmarkValues.has(key)){benchmarkValues.set(key,[]);}
+benchmarkValues.get(key).push(value);}}}}
+traces.forEach((value,key)=>{histograms.createHistogram(key,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,value);});benchmarkValues.forEach((value,key)=>{histograms.createHistogram(key,tr.b.Unit.byName.unitlessNumber_smallerIsBetter,value);});}
+function getNavigationId(event){return event.args.data&&event.args.data.navigationId;}
+tr.metrics.MetricRegistry.register(webuiMetric,{supportsRangeOfInterest:false,});return{webuiMetric,};});'use strict';Polymer({is:'tr-ui-a-alert-sub-view',behaviors:[tr.ui.analysis.AnalysisSubView],ready(){this.currentSelection_=undefined;this.$.table.tableColumns=[{title:'Label',value(row){return row.name;},width:'150px'},{title:'Value',width:'100%',value(row){return row.value;}}];this.$.table.showHeader=false;},get selection(){return this.currentSelection_;},set selection(selection){this.currentSelection_=selection;this.updateContents_();},getRowsForSingleAlert_(alert){const rows=[];for(const argName in alert.args){const argView=document.createElement('tr-ui-a-generic-object-view');argView.object=alert.args[argName];rows.push({name:argName,value:argView});}
 if(alert.associatedEvents.length){alert.associatedEvents.forEach(function(event,i){const linkEl=document.createElement('tr-ui-a-analysis-link');linkEl.setSelectionAndContent(new tr.model.EventSet(event),event.title);let valueString='';if(event instanceof tr.model.TimedEvent){valueString='took '+event.duration.toFixed(2)+'ms';}
 rows.push({name:linkEl,value:valueString});});}
 const descriptionEl=tr.ui.b.createDiv({textContent:alert.info.description,maxWidth:'300px'});rows.push({name:'Description',value:descriptionEl});if(alert.info.docLinks){alert.info.docLinks.forEach(function(linkObject){const linkEl=document.createElement('a');linkEl.target='_blank';linkEl.href=linkObject.href;Polymer.dom(linkEl).textContent=Polymer.dom(linkObject).textContent;rows.push({name:linkObject.label,value:linkEl});});}
@@ -9968,7 +9810,8 @@
 for(let i=0;i<subGroupRows.length;i++){rowsWithHeadings.push({row:subGroupRows[i],heading:(i===0?subGroup.title:'')});}}
 this.setPrebuiltSubRows(this.group_,rowsWithHeadings);}};function stripSlice_(slice){if(slice.subSlices!==undefined&&slice.subSlices.length===1){const subSlice=slice.subSlices[0];if(tr.b.math.approximately(subSlice.start,slice.start,1)&&tr.b.math.approximately(subSlice.duration,slice.duration,1)){return subSlice;}}
 return slice;}
-function makeLevelSubRows_(slices){const rows=[];const putSlice=(slice,level)=>{while(rows.length<=level){rows.push([]);}
+function makeLevelSubRows_(slices){const rows=[];const putSlice=(slice,level)=>{if(slice.hidden){return;}
+while(rows.length<=level){rows.push([]);}
 rows[level].push(slice);};const putSliceRecursively=(slice,level)=>{putSlice(slice,level);if(slice.subSlices!==undefined){for(const subSlice of slice.subSlices){putSliceRecursively(subSlice,level+1);}}};for(const slice of slices){putSliceRecursively(stripSlice_(slice),0);}
 return rows;}
 function groupAsyncSlicesIntoSubRows(slices,opt_skipSort){if(!opt_skipSort){slices.sort((x,y)=>x.start-y.start);}
@@ -10111,9 +9954,9 @@
 for(const labelEl of unsupportedLabelEls){Polymer.dom(this.tabStrip_).appendChild(labelEl);}
 if(previouslyActivePanelType&&supportedPanelTypes.includes(previouslyActivePanelType)){this.activePanelType=previouslyActivePanelType;Polymer.dom(this).setAttribute('expanded',true);}else{if(this.activePanel){Polymer.dom(this.activePanelContainer_).removeChild(this.activePanel);}
 Polymer.dom(this).removeAttribute('expanded');}},get rangeOfInterest(){return this.rangeOfInterest_;},set rangeOfInterest(range){if(range===undefined){throw new Error('Must not be undefined');}
-this.rangeOfInterest_=range;if(this.activePanel){this.activePanel.rangeOfInterest=range;}}});'use strict';Polymer({is:'tr-ui-timeline-view-help-overlay',ready(){const mod=tr.isMac?'cmd ':'ctrl';const spans=Polymer.dom(this.root).querySelectorAll('span.mod');for(let i=0;i<spans.length;i++){Polymer.dom(spans[i]).textContent=mod;}}});'use strict';Polymer({is:'tr-ui-timeline-view-metadata-overlay',created(){this.metadata_=undefined;},ready(){this.$.table.tableColumns=[{title:'name',value:d=>d.name,},{title:'value',value:d=>{const gov=document.createElement('tr-ui-a-generic-object-view');gov.object=d.value;return gov;},}];},get metadata(){return this.metadata_;},set metadata(metadata){this.metadata_=metadata;this.$.table.tableRows=this.metadata_;this.$.table.rebuild();}});'use strict';Polymer({is:'tr-v-ui-preferred-display-unit',ready(){this.preferredTimeDisplayMode_=undefined;},attached(){tr.b.Unit.didPreferredTimeDisplayUnitChange();},detached(){tr.b.Unit.didPreferredTimeDisplayUnitChange();},get preferredTimeDisplayMode(){return this.preferredTimeDisplayMode_;},set preferredTimeDisplayMode(v){if(this.preferredTimeDisplayMode_===v)return;this.preferredTimeDisplayMode_=v;tr.b.Unit.didPreferredTimeDisplayUnitChange();}});'use strict';const POLYFILL_WARNING_MESSAGE='Trace Viewer is running with WebComponentsV0 polyfill, and some '+'features may be broken. As a workaround, you may try running chrome '+'with "--enable-blink-features=ShadowDOMV0,CustomElementsV0,HTMLImports" '+'flag. See crbug.com/1036492.';Polymer({is:'tr-ui-timeline-view',created(){this.trackViewContainer_=undefined;this.queuedModel_=undefined;this.builtPromise_=undefined;this.doneBuilding_=undefined;},attached(){this.async(function(){this.trackViewContainer_=Polymer.dom(this).querySelector('#track_view_container');if(!this.trackViewContainer_){throw new Error('missing trackviewContainer');}
+this.rangeOfInterest_=range;if(this.activePanel){this.activePanel.rangeOfInterest=range;}}});'use strict';Polymer({is:'tr-ui-timeline-view-help-overlay',ready(){const mod=tr.isMac?'cmd ':'ctrl';const spans=Polymer.dom(this.root).querySelectorAll('span.mod');for(let i=0;i<spans.length;i++){Polymer.dom(spans[i]).textContent=mod;}}});'use strict';Polymer({is:'tr-ui-timeline-view-metadata-overlay',created(){this.metadata_=undefined;},ready(){this.$.table.tableColumns=[{title:'name',value:d=>d.name,},{title:'value',value:d=>{const gov=document.createElement('tr-ui-a-generic-object-view');gov.object=d.value;return gov;},}];},get metadata(){return this.metadata_;},set metadata(metadata){this.metadata_=metadata;this.$.table.tableRows=this.metadata_;this.$.table.rebuild();}});'use strict';Polymer({is:'tr-v-ui-preferred-display-unit',ready(){this.preferredTimeDisplayMode_=undefined;},attached(){tr.b.Unit.didPreferredTimeDisplayUnitChange();},detached(){tr.b.Unit.didPreferredTimeDisplayUnitChange();},get preferredTimeDisplayMode(){return this.preferredTimeDisplayMode_;},set preferredTimeDisplayMode(v){if(this.preferredTimeDisplayMode_===v)return;this.preferredTimeDisplayMode_=v;tr.b.Unit.didPreferredTimeDisplayUnitChange();}});'use strict';const POLYFILL_WARNING_MESSAGE='Trace Viewer is running with WebComponentsV0 polyfill, and some '+'features may be broken. See crbug.com/1036492.';Polymer({is:'tr-ui-timeline-view',created(){this.trackViewContainer_=undefined;this.queuedModel_=undefined;this.builtPromise_=undefined;this.doneBuilding_=undefined;},attached(){this.async(function(){this.trackViewContainer_=Polymer.dom(this).querySelector('#track_view_container');if(!this.trackViewContainer_){throw new Error('missing trackviewContainer');}
 if(this.queuedModel_)this.updateContents_();});},ready(){this.tabIndex=0;this.polyfillWarnedOnce_=false;this.titleEl_=this.$.title;this.leftControlsEl_=this.$.left_controls;this.rightControlsEl_=this.$.right_controls;this.collapsingControlsEl_=this.$.collapsing_controls;this.sidePanelContainer_=this.$.side_panel_container;this.brushingStateController_=new tr.c.BrushingStateController(this);this.findCtl_=this.$.view_find_control;this.findCtl_.controller=new tr.ui.FindController(this.brushingStateController_);this.scriptingCtl_=document.createElement('tr-ui-scripting-control');this.scriptingCtl_.controller=new tr.c.ScriptingController(this.brushingStateController_);this.sidePanelContainer_.brushingStateController=this.brushingStateController_;if(window.tr.metrics&&window.tr.metrics.sh&&window.tr.metrics.sh.SystemHealthMetric){this.railScoreSpan_=document.createElement('tr-metrics-ui-sh-system-health-span');Polymer.dom(this.rightControls).appendChild(this.railScoreSpan_);}else{this.railScoreSpan_=undefined;}
-this.flowEventFilter_=this.$.flow_event_filter_dropdown;this.processFilter_=this.$.process_filter_dropdown;this.optionsDropdown_=this.$.view_options_dropdown;this.selectedFlowEvents_=new Set();this.highlightVSync_=false;this.highlightVSyncCheckbox_=tr.ui.b.createCheckBox(this,'highlightVSync','tr.ui.TimelineView.highlightVSync',false,'Highlight VSync');Polymer.dom(this.optionsDropdown_).appendChild(this.highlightVSyncCheckbox_);this.initMetadataButton_();this.initConsoleButton_();this.initHelpButton_();Polymer.dom(this.collapsingControls).appendChild(this.scriptingCtl_);this.dragEl_=this.$.drag_handle;this.analysisEl_=this.$.analysis;this.analysisEl_.brushingStateController=this.brushingStateController_;this.addEventListener('requestSelectionChange',function(e){const sc=this.brushingStateController_;sc.changeSelectionFromRequestSelectionChangeEvent(e.selection);}.bind(this));this.onViewportChanged_=this.onViewportChanged_.bind(this);this.bindKeyListeners_();this.dragEl_.target=this.analysisEl_;},get globalMode(){return this.hotkeyController.globalMode;},set globalMode(globalMode){globalMode=!!globalMode;this.brushingStateController_.historyEnabled=globalMode;this.hotkeyController.globalMode=globalMode;},get hotkeyController(){return this.$.hkc;},warnPolyfill(){if(this.polyfillWarnedOnce_)return;console.warn(POLYFILL_WARNING_MESSAGE);this.polyfillWarnedOnce_=true;if(!window.__hideTraceViewerPolyfillWarning){const polyfillWarningsEl=Polymer.dom(this.root).querySelector('#polyfill-warning');polyfillWarningsEl.addMessage(POLYFILL_WARNING_MESSAGE,[{buttonText:'Hide',onClick:()=>polyfillWarningsEl.clearMessages()}]);}},updateDocumentFavicon(){let hue;if(!this.model){hue='blue';}else{hue=this.model.faviconHue;}
+this.flowEventFilter_=this.$.flow_event_filter_dropdown;this.processFilter_=this.$.process_filter_dropdown;this.optionsDropdown_=this.$.view_options_dropdown;this.selectedFlowEvents_=new Set();this.highlightVSync_=false;this.highlightVSyncCheckbox_=tr.ui.b.createCheckBox(this,'highlightVSync','tr.ui.TimelineView.highlightVSync',false,'Highlight VSync');Polymer.dom(this.optionsDropdown_).appendChild(this.highlightVSyncCheckbox_);this.initMetadataButton_();this.initConsoleButton_();this.initHelpButton_();Polymer.dom(this.collapsingControls).appendChild(this.scriptingCtl_);this.dragEl_=this.$.drag_handle;this.analysisEl_=this.$.analysis;this.analysisEl_.brushingStateController=this.brushingStateController_;this.addEventListener('requestSelectionChange',function(e){const sc=this.brushingStateController_;sc.changeSelectionFromRequestSelectionChangeEvent(e.selection);}.bind(this));this.onViewportChanged_=this.onViewportChanged_.bind(this);this.bindKeyListeners_();this.dragEl_.target=this.analysisEl_;},get globalMode(){return this.hotkeyController.globalMode;},set globalMode(globalMode){globalMode=!!globalMode;this.brushingStateController_.historyEnabled=globalMode;this.hotkeyController.globalMode=globalMode;},get hotkeyController(){return this.$.hkc;},warnPolyfill(){if(this.polyfillWarnedOnce_)return;console.warn(POLYFILL_WARNING_MESSAGE);this.polyfillWarnedOnce_=true;},updateDocumentFavicon(){let hue;if(!this.model){hue='blue';}else{hue=this.model.faviconHue;}
 let faviconData=tr.ui.b.FaviconsByHue[hue];if(faviconData===undefined){faviconData=tr.ui.b.FaviconsByHue.blue;}
 let link=Polymer.dom(document.head).querySelector('link[rel="shortcut icon"]');if(!link){link=document.createElement('link');link.rel='shortcut icon';Polymer.dom(document.head).appendChild(link);}
 link.href=faviconData;},get selectedFlowEvents(){return this.selectedFlowEvents_;},set selectedFlowEvents(selectedFlowEvents){this.selectedFlowEvents_=selectedFlowEvents;},get highlightVSync(){return this.highlightVSync_;},set highlightVSync(highlightVSync){this.highlightVSync_=highlightVSync;if(!this.trackView_)return;this.trackView_.viewport.highlightVSync=highlightVSync;},initHelpButton_(){const helpButtonEl=this.$.view_help_button;const dlg=new tr.ui.b.Overlay();dlg.title='Chrome Tracing Help';dlg.visible=false;dlg.appendChild(document.createElement('tr-ui-timeline-view-help-overlay'));function onClick(e){dlg.visible=!dlg.visible;e.stopPropagation();}
@@ -10192,7 +10035,8 @@
 if(config){return{excluded:config.excluded_categories||[],included:config.included_categories||[],};}}}
 function validateTraceCategories(requiredCategories,categories){if(!requiredCategories)return;if(!categories)throw new Error('Missing trace config metadata');for(const cat of requiredCategories){const isDisabledByDefault=(cat.indexOf('disabled-by-default')===0);let missing=false;if(isDisabledByDefault){if(!categories.included.includes(cat)){missing=true;}}else if(categories.excluded.includes(cat)){missing=true;}
 if(missing){throw new Error(`Trace is missing required category "${cat}"`);}}}
-function validateDiagnosticNames(histograms){for(const hist of histograms){for(const name of hist.diagnostics.keys()){if(tr.v.d.RESERVED_NAMES_SET.has(name)){throw new Error(`Illegal diagnostic name "${name}" on Histogram "${hist.name}"`);}}}}
+function validateDiagnosticNames(histograms){for(const hist of histograms){for(const name of hist.diagnostics.keys()){if(name===tr.v.d.RESERVED_NAMES.ALERT_GROUPING){continue;}
+if(tr.v.d.RESERVED_NAMES_SET.has(name)){throw new Error(`Illegal diagnostic name "${name}" on Histogram "${hist.name}"`);}}}}
 function addTelemetryInfo(histograms,model){for(const metadata of model.metadata){if(!metadata.value||!metadata.value.telemetry)continue;for(const[name,value]of Object.entries(metadata.value.telemetry)){const type=tr.v.d.RESERVED_NAMES_TO_TYPES.get(name);if(type===undefined){throw new Error(`Unexpected telemetry.${name}`);}
 histograms.addSharedDiagnosticToAllHistograms(name,new type(value));}}}
 function metricMapFunction(result,model,options){const histograms=runMetrics(model,options,result.addFailure.bind(result));addTelemetryInfo(histograms,model);if(model.canonicalUrl!==undefined){const info=tr.v.d.RESERVED_INFOS.TRACE_URLS;histograms.addSharedDiagnosticToAllHistograms(info.name,new info.type([model.canonicalUrl]));}
@@ -10291,7 +10135,7 @@
 if(names.includes(this.viewState.displayStatisticName)){this.displayStatisticName=this.viewState.displayStatisticName;this.$.statistic.value=this.displayStatisticName;}else{this.viewState.displayStatisticName=names[0]||'';}},get anyOverviewCharts_(){for(const row of tr.v.ui.HistogramSetTableRowState.walkAll(this.viewState.tableRowStates.values())){if(row.isOverviewed)return true;}
 return false;},async toggleOverviewLineCharts_(){const showOverviews=!this.anyOverviewCharts_;const mark=tr.b.Timing.mark('histogram-set-controls',(showOverviews?'show':'hide')+'OverviewCharts');for(const row of tr.v.ui.HistogramSetTableRowState.walkAll(this.viewState.tableRowStates.values())){await row.update({isOverviewed:showOverviews});}
 this.$.hide_overview.style.display=showOverviews?'inline':'none';this.$.show_overview.style.display=showOverviews?'none':'inline';await tr.b.animationFrame();mark.end();},set helpHref(href){this.$.help.href=href;this.$.help.style.display='inline';},set feedbackHref(href){this.$.feedback.href=href;this.$.feedback.style.display='inline';},clearSearch_(){this.set('searchQuery','');this.$.search.focus();},getAlphaString_(alphaIndex){return(''+ALPHA_OPTIONS[alphaIndex]).substr(0,5);},openAlphaSlider_(){const alphaButtonRect=this.$.alpha.getBoundingClientRect();this.$.alpha_slider_container.style.display='flex';this.$.alpha_slider_container.style.top=alphaButtonRect.bottom+'px';this.$.alpha_slider_container.style.left=alphaButtonRect.left+'px';this.$.alpha_slider.focus();},closeAlphaSlider_(){this.$.alpha_slider_container.style.display='';},updateAlpha_(){this.alphaIndex=this.$.alpha_slider.value;},getAlphaIndexFromViewState_(){for(let i=0;i<ALPHA_OPTIONS.length;++i){if(ALPHA_OPTIONS[i]>=this.viewState.alpha)return i;}
-return ALPHA_OPTIONS.length-1;},set enableVisualization(enable){this.$.show_visualization.style.display=enable?'inline':'none';},loadVisualization_(){tr.b.dispatchSimpleEvent(this,'loadVisualization',true,true,{});},});return{};});'use strict';tr.exportTo('tr.v',function(){class HistogramSetHierarchy{constructor(name){this.name=name;this.description='';this.depth=0;this.subRows=[];this.columns=new Map();}*walk(){yield this;for(const row of this.subRows)yield*row.walk();}
+return ALPHA_OPTIONS.length-1;},});return{};});'use strict';tr.exportTo('tr.v',function(){class HistogramSetHierarchy{constructor(name){this.name=name;this.description='';this.depth=0;this.subRows=[];this.columns=new Map();}*walk(){yield this;for(const row of this.subRows)yield*row.walk();}
 static*walkAll(rootRows){for(const rootRow of rootRows)yield*rootRow.walk();}
 static build(histogramArrayMap){const rootRows=[];HistogramSetHierarchy.buildInternal_(histogramArrayMap,[],rootRows);const histograms=new tr.v.HistogramSet();for(const row of HistogramSetHierarchy.walkAll(rootRows)){for(const hist of row.columns.values()){if(!(hist instanceof tr.v.Histogram))continue;histograms.addHistogram(hist);}}
 histograms.deduplicateDiagnostics();for(const row of HistogramSetHierarchy.walkAll(rootRows)){row.maybeRebin_();}
@@ -10387,48 +10231,11 @@
 return;}
 await this.updateContents_();},onSortColumnChanged_(event){tr.b.Timing.instant('histogram-set-table','sortColumn');this.viewState.update({sortColumnIndex:event.sortColumnIndex,sortDescending:event.sortDescending,});},onRequestSelectionChange_(event){if(event.selection instanceof tr.model.EventSet)return;event.stopPropagation();tr.b.Timing.instant('histogram-set-table','selectHistogramNames');let histogramNames=event.selection;histogramNames.sort();histogramNames=histogramNames.map(escapeRegExp).join('|');this.viewState.update({showAll:true,searchQuery:`^(${histogramNames})$`,});},get leafHistograms(){const histograms=new tr.v.HistogramSet();for(const row of
 tr.v.ui.HistogramSetTableRow.walkAll(this.$.table.tableRows)){if(row.subRows.length)continue;for(const hist of row.columns.values()){if(!(hist instanceof tr.v.Histogram))continue;histograms.addHistogram(hist);}}
-return histograms;}});return{MIDLINE_HORIZONTAL_ELLIPSIS,};});'use strict';tr.exportTo('tr.v.ui',function(){const PAGE_BREAKDOWN_KEY='pageBreakdown';Polymer({is:'tr-v-ui-metrics-visualization',created(){this.charts_=new Map();},ready(){this.$.start.addEventListener('keydown',(e)=>{if(e.key==='Enter')this.filterByPercentile_();});this.$.end.addEventListener('keydown',(e)=>{if(e.key==='Enter')this.filterByPercentile_();});this.$.search_page.addEventListener('keydown',(e)=>{if(e.key==='Enter')this.searchByPage_();});},build(chartData){this.title_=chartData.title;this.aggregateData_=chartData.aggregate;this.data_=chartData.page;this.submetricsData_=chartData.submetrics;this.benchmarkCount_=chartData.aggregate.length;const aggregateChart=this.initializeColumnChart(this.title_);Polymer.dom(this.$.aggregateContainer).appendChild(aggregateChart);this.charts_.set(tr.v.ui.AGGREGATE_KEY,aggregateChart);this.setChartColors_(tr.v.ui.AGGREGATE_KEY);aggregateChart.data=chartData.aggregate;this.setChartSize_(tr.v.ui.AGGREGATE_KEY);const newChart=this.initializeColumnChart(this.title_+' Breakdown');newChart.enableToolTip=true;newChart.toolTipCallBack=(rect)=>this.openChildChart_(rect);Polymer.dom(this.$.pageByPageContainer).appendChild(newChart);this.charts_.set(PAGE_BREAKDOWN_KEY,newChart);this.setChartColors_(PAGE_BREAKDOWN_KEY);newChart.data=this.data_;this.setChartSize_(PAGE_BREAKDOWN_KEY);},setChartSize_(page){const chart=this.charts_.get(page);const pageCount=chart.data.length;chart.graphHeight=tr.b.math.clamp(pageCount*20,400,600);chart.graphWidth=tr.b.math.clamp(pageCount*30,200,1000);},setChartColors_(page){const chart=this.charts_.get(page);const metrics=tr.v.ui.METRICS.get(this.title_);for(let i=0;i<this.benchmarkCount_;++i){for(let j=0;j<metrics.length;++j){const mainColorIndex=j%tr.v.ui.COLORS.length;const subColorIndex=i%tr.v.ui.COLORS[mainColorIndex].length;const color=tr.v.ui.COLORS[mainColorIndex][subColorIndex];const series=metrics[j]+'-'+this.aggregateData_[i].x;chart.getDataSeries(series).color=color;if(i===0){chart.getDataSeries(series).title=metrics[j];}else{chart.getDataSeries(series).title='';}}}},initializeColumnChart(title){const newChart=new tr.ui.b.NameColumnChart();newChart.hideLegend=false;newChart.isStacked=true;newChart.yAxisLabel='ms';newChart.hideXAxis=true;newChart.displayXInHover=true;newChart.isGrouped=true;newChart.showTitleInLegend=true;newChart.chartTitle=title;newChart.titleHeight='14pt';return newChart;},initializeChildChart_(title,height,width){const div=document.createElement('div');div.classList.add('container');Polymer.dom(this.$.submetricsContainer).insertBefore(div,this.$.submetricsContainer.firstChild);const childChart=new tr.ui.b.NameBarChart();childChart.xAxisLabel='ms';childChart.chartTitle=title;childChart.graphHeight=height;childChart.graphWidth=width;childChart.titleHeight='14pt';childChart.isStacked=true;childChart.hideLegend=true;childChart.isGrouped=true;childChart.isWaterfall=true;div.appendChild(childChart);const button=this.initializeCloseButton_(div,this.$.submetricsContainer);div.appendChild(button);return childChart;},initializeCloseButton_(div,parent){const button=this.$.close.cloneNode(true);button.style.display='inline-block';button.addEventListener('click',()=>{Polymer.dom(parent).removeChild(div);});return button;},openChildChart_(rect){const metrics=tr.v.ui.METRICS.get(this.title_);let metric;let metricIndex;for(let i=0;i<metrics.length;++i){if(rect.key.startsWith(metrics[i])){metric=metrics[i];metricIndex=i;break;}}
-const page=rect.datum.group;const title=this.title_+' '+metric+': '+page;const submetrics=this.submetricsData_.get(page).get(metric);const width=tr.b.math.clamp(submetrics.size*150,300,700);const height=tr.b.math.clamp(submetrics.size*this.benchmarkCount_*50,300,700);const childChart=this.initializeChildChart_(title,height,width);childChart.data=this.processSubmetrics_(childChart,submetrics,0,metricIndex).data;},processSubmetrics_(chart,submetrics,hideValue,metricIndex){const finalData=[];let submetricIndex=0;for(const submetric of submetrics.values()){let benchmarkIndex=0;for(const benchmark of submetric.values()){benchmark.hide=!hideValue?0:hideValue;const series=benchmark.x+'-'+benchmark.group;const mainColorIndex=metricIndex%tr.v.ui.COLORS.length;const subColorIndex=benchmarkIndex%tr.v.ui.COLORS[mainColorIndex].length;chart.getDataSeries(series).color=tr.v.ui.COLORS[mainColorIndex][subColorIndex];if(benchmarkIndex===(this.benchmarkCount_-1)){hideValue+=benchmark[series];}
-finalData.push(benchmark);benchmarkIndex++;}
-submetricIndex++;}
-return{data:finalData,hide:hideValue};},filterByPercentile_(){const startPercentile=this.$.start.value;const endPercentile=this.$.end.value;if(startPercentile===''||endPercentile==='')return;const length=this.data_.length/(this.benchmarkCount_+1);const startIndex=this.getPercentileIndex_(startPercentile,length);const endIndex=this.getPercentileIndex_(endPercentile,length);this.charts_.get(PAGE_BREAKDOWN_KEY).data=this.data_.slice(startIndex,endIndex);},getPercentileIndex_(percentile,arrayLength){const index=Math.ceil(arrayLength*(percentile/100.0));if(index===-1)return 0;if(index>=arrayLength)return arrayLength;return index*this.benchmarkCount_;},searchByPage_(){const criteria=this.$.search_page.value;if(criteria==='')return;const query=new RegExp(criteria);const filteredData=[...this.data_].filter(group=>{if(group.group)return group.group.match(query);return false;});if(filteredData.length<1){this.$.search_error.style.display='block';return;}
-const page=filteredData[0].group;const title=this.title_+' Breakdown: '+page;const metricToSubmetricMap=this.submetricsData_.get(page);let totalSubmetrics=0;for(const submetrics of metricToSubmetricMap.values()){for(const benchmark of submetrics.values()){totalSubmetrics+=benchmark.length;}}
-const width=tr.b.math.clamp(totalSubmetrics*150,300,700);const height=tr.b.math.clamp(totalSubmetrics*this.benchmarkCount_*30,300,700);const childChart=this.initializeChildChart_(title,height,width);const childData=[];let hide=0;let metricIndex=0;for(const submetrics of metricToSubmetricMap.values()){const submetricsData=this.processSubmetrics_(childChart,submetrics,hide,metricIndex);childData.push(...submetricsData.data);hide=submetricsData.hide;metricIndex++;}
-childChart.data=childData;},});});'use strict';Polymer({is:'tr-v-ui-raster-visualization',ready(){this.$.pageSelector.addEventListener('click',()=>{this.selectPage_();});this.$.search_page.addEventListener('keydown',(e)=>{if(e.key==='Enter')this.searchByPage_();});this.$.search_button.addEventListener('click',()=>{this.searchByPage_();});},build(chartData){this.data_=chartData;const aggregateChart=this.createChart_('Aggregate Data by Run');Polymer.dom(this.$.aggregateContainer).appendChild(aggregateChart);aggregateChart.enableToolTip=true;aggregateChart.toolTipCallBack=(rect)=>this.openBenchmarkChart_(rect);this.setChartColors_(aggregateChart,this.data_.get(tr.v.ui.AGGREGATE_KEY));aggregateChart.data=this.data_.get(tr.v.ui.AGGREGATE_KEY);this.setChartSize_(aggregateChart,this.data_.get(tr.v.ui.AGGREGATE_KEY).length);for(const page of this.data_.keys()){if(page===tr.v.ui.AGGREGATE_KEY)continue;const option=document.createElement('option');option.textContent=page;option.value=page;this.$.pageSelector.appendChild(option);}},setChartSize_(chart,pageCount,dataLength){chart.graphHeight=tr.b.math.clamp(pageCount*25,175,1000);chart.graphWidth=tr.b.math.clamp(pageCount*25,500,1000);},setChartColors_(chart,data){const metrics=new Map();let count=0;for(const thread of tr.v.ui.FRAME.values()){for(const metric of thread.keys()){metrics.set(metric,count);count++;}}
-for(let i=0;i<Math.floor(data.length/tr.v.ui.FRAME.length);++i){let j=0;for(const[threadName,thread]of tr.v.ui.FRAME.entries()){for(const metric of thread.keys()){let color='transparent';if(thread.get(metric)){const mainColorIndex=metrics.get(metric)%tr.v.ui.COLORS.length;const subColorIndex=i%tr.v.ui.COLORS[mainColorIndex].length;color=tr.v.ui.COLORS[mainColorIndex][subColorIndex];}
-const series=metric+'-'+data[i*2+j].x+'-'+threadName;chart.getDataSeries(series).color=color;chart.getDataSeries(series).title=!i?metric:'';}
-j++;}}},createChart_(title){const newChart=new tr.ui.b.NameBarChart();newChart.chartTitle=title;newChart.xAxisLabel='ms';newChart.hideLegend=false;newChart.showTitleInLegend=true;newChart.hideYAxis=true;newChart.isStacked=true;newChart.displayXInHover=true;newChart.isGrouped=true;return newChart;},openBenchmarkChart_(rect){const benchmarkIndex=Math.floor(rect.index/tr.v.ui.FRAME.length);const title=rect.datum.x;const div=document.createElement('div');Polymer.dom(this.$.pageContainer).insertBefore(div,this.$.pageContainer.firstChild);const chart=this.createChart_(title);div.appendChild(chart);const button=this.initializeCloseButton_(div,this.$.pageContainer);div.appendChild(button);const newDataSet=[];for(const page of this.data_.keys()){if(page===tr.v.ui.AGGREGATE_KEY)continue;for(let i=0;i<tr.v.ui.FRAME.length;i++){newDataSet.push(this.data_.get(page)[benchmarkIndex*tr.v.ui.FRAME.length+i]);}}
-this.setChartColors_(chart,newDataSet);chart.data=newDataSet;this.setChartSize_(chart,newDataSet.length);},selectPage_(){const div=document.createElement('div');const page=this.$.pageSelector.value;if(page==='')return;Polymer.dom(this.$.pageContainer).insertBefore(div,this.$.pageContainer.firstChild);const pageChart=this.createChart_(page);div.appendChild(pageChart);const button=this.initializeCloseButton_(div,this.$.pageContainer);div.appendChild(button);const pageData=this.data_.get(page);this.setChartColors_(pageChart,pageData);pageChart.data=pageData;this.setChartSize_(pageChart,pageData.length);},searchByPage_(){const criteria=this.$.search_page.value;if(criteria==='')return;const query=new RegExp(criteria);const filteredData=[...this.data_.keys()].filter(page=>page.match(query));if(filteredData.length<1){this.$.search_error.style.display='block';return;}
-const page=filteredData[0];const div=document.createElement('div');Polymer.dom(this.$.pageContainer).insertBefore(div,this.$.pageContainer.firstChild);const pageChart=this.createChart_(page);div.appendChild(pageChart);const button=this.initializeCloseButton_(div,this.$.pageContainer);div.appendChild(button);const pageData=this.data_.get(page);this.setChartColors_(pageChart,pageData);pageChart.data=pageData;this.setChartSize_(pageChart,pageData.length);},initializeCloseButton_(div,parent){const button=this.$.close.cloneNode(true);button.style.display='inline-block';button.addEventListener('click',()=>{Polymer.dom(parent).removeChild(div);});return button;},});'use strict';tr.exportTo('tr.v.ui',function(){const STATISTICS_KEY='statistics';const SUBMETRICS_KEY='submetrics';const AGGREGATE_KEY='aggregate';const RASTER_START_METRIC_KEY='pipeline:begin_frame_to_raster_start';const COLORS=[['#FFD740','#FFC400','#FFAB00','#E29800'],['#FF6E40','#FF3D00','#DD2C00','#A32000'],['#40C4FF','#00B0FF','#0091EA','#006DAF'],['#89C641','#54B503','#4AA510','#377A0D'],['#B388FF','#7C4DFF','#651FFF','#6200EA'],['#FF80AB','#FF4081','#F50057','#C51162'],['#FFAB40','#FF9100','#FF6D00','#D65C02'],['#8C9EFF','#536DFE','#3D5AFE','#304FFE']];const FRAME=[new Map([['pipeline:begin_frame_to_raster_start',false],['pipeline:begin_frame_to_raster_end',true]]),new Map([['pipeline:begin_frame_transport',true],['pipeline:begin_frame_to_frame_submission',true],['pipeline:frame_submission_to_display',true],['pipeline:draw',true]])];const METRICS=new Map([['Pipeline',['pipeline:begin_frame_transport','pipeline:begin_frame_to_frame_submission','pipeline:frame_submission_to_display','pipeline:draw']],['Thread',['thread_browser_cpu_time_per_frame','thread_display_compositor_cpu_time_per_frame','thread_GPU_cpu_time_per_frame','thread_IO_cpu_time_per_frame','thread_other_cpu_time_per_frame','thread_raster_cpu_time_per_frame','thread_renderer_compositor_cpu_time_per_frame','thread_renderer_main_cpu_time_per_frame']]]);function getValueFromMap(key,map){let retrievedValue=map.get(key);if(!retrievedValue){retrievedValue=new Map();map.set(key,retrievedValue);}
-return retrievedValue;}
-Polymer({is:'tr-v-ui-visualizations-data-container',created(){this.orderedBenchmarks_=[];this.groupedData_=new Map();},build(leafHistograms,histograms){if(!leafHistograms||leafHistograms.length<1||!histograms||histograms.length<1){this.$.data_error.style.display='block';return;}
-this.processHistograms_(this.groupHistograms_(histograms),this.groupHistograms_(leafHistograms));this.buildCharts_();},processHistograms_(histograms,leafHistograms){const benchmarkStartGrouping=tr.v.HistogramGrouping.BY_KEY.get(tr.v.d.RESERVED_NAMES.BENCHMARK_START);const benchmarkToStartTime=new Map();for(const[metric,benchmarks]of histograms.entries()){for(const[benchmark,pages]of leafHistograms.get(metric).entries()){for(const[page,histograms]of pages.entries()){for(const histogram of histograms){const aggregateToBenchmarkMap=getValueFromMap(AGGREGATE_KEY,this.groupedData_);const benchmarkToMetricMap=getValueFromMap(benchmark,aggregateToBenchmarkMap);benchmarkToMetricMap.set(metric,new Map([[STATISTICS_KEY,histogram.running]]));}}}
-for(const[benchmark,pages]of benchmarks.entries()){for(const[page,histograms]of pages.entries()){for(const histogram of histograms){if(!benchmarkToStartTime.get(benchmark)){benchmarkToStartTime.set(benchmark,benchmarkStartGrouping.callback(histogram));}
-const pageToBenchmarkMap=getValueFromMap(page,this.groupedData_);const benchmarkToMetricMap=getValueFromMap(benchmark,pageToBenchmarkMap);const mergedSubmetrics=new tr.v.d.DiagnosticMap();for(const bin of histogram.allBins){for(const map of bin.diagnosticMaps){mergedSubmetrics.addDiagnostics(map);}}
-if(benchmarkToMetricMap.get(metric))continue;benchmarkToMetricMap.set(metric,new Map([[STATISTICS_KEY,histogram.running],[SUBMETRICS_KEY,mergedSubmetrics.get('breakdown')]]));}}}}
-this.orderedBenchmarks_=this.sortBenchmarks_(benchmarkToStartTime);},groupHistograms_(histograms){const groupings=[tr.v.HistogramGrouping.HISTOGRAM_NAME,tr.v.HistogramGrouping.DISPLAY_LABEL,tr.v.HistogramGrouping.BY_KEY.get(tr.v.d.RESERVED_NAMES.STORIES)];return histograms.groupHistogramsRecursively(groupings);},sortBenchmarks_(benchmarks){return Array.from(benchmarks.keys()).sort((a,b)=>{Date.parse(benchmarks.get(a))-Date.parse(benchmarks.get(b));});},getSeriesKey_(metric,benchmark){return metric+'-'+benchmark;},buildCharts_(){const rasterDataToBePassed=this.buildRasterChart_();this.$.rasterVisualization.build(rasterDataToBePassed);for(const chartName of METRICS.keys()){const metricsDataToBePassed=this.buildMetricsData_(chartName);const newChart=this.$.metricsVisualization.cloneNode(true);newChart.style.display='block';Polymer.dom(this.$.metrics_container).appendChild(newChart);newChart.build(metricsDataToBePassed);}},buildRasterChart_(){const orderedPages=[...this.groupedData_.keys()].filter((page)=>this.filterPagesWithoutRasterMetric_(page)).sort((a,b)=>this.sortByRasterStart_(a,b));const allChartData=new Map();for(const page of orderedPages){const pageMap=this.groupedData_.get(page);let chartData=[];for(const benchmark of this.orderedBenchmarks_){if(!pageMap.has(benchmark))continue;const benchmarkMap=pageMap.get(benchmark);const benchmarkData=[];if(benchmarkMap.get(RASTER_START_METRIC_KEY)===undefined){continue;}
-for(const[threadName,thread]of FRAME.entries()){const data={x:benchmark,hide:0};if(page!==AGGREGATE_KEY)data.group=page;let rasterBegin=0;for(const metric of thread.keys()){const metricMap=benchmarkMap.get(metric);const key=this.getSeriesKey_(metric,data.x+'-'+threadName);const stats=metricMap.get(STATISTICS_KEY);const mean=stats?stats.mean:0;let roundedMean=Math.round(mean*100)/100;if(metric===RASTER_START_METRIC_KEY){rasterBegin=roundedMean;}else if(metric==='pipeline:begin_frame_to_raster_end'){roundedMean-=rasterBegin;}
-data[key]=roundedMean;}
-benchmarkData.push(data);}
-chartData=chartData.concat(benchmarkData);}
-allChartData.set(page,chartData);}
-return allChartData;},buildMetricsData_(chartName){const orderedPages=[...this.groupedData_.keys()].sort((a,b)=>this.sortByTotal_(a,b,chartName));const chartData=[];const aggregateChart=[];for(const page of orderedPages){const pageMap=this.groupedData_.get(page);for(const benchmark of this.orderedBenchmarks_){if(!pageMap.has(benchmark))continue;const data={x:benchmark,group:page};const benchmarkMap=pageMap.get(benchmark);for(const metric of METRICS.get(chartName)){const metricMap=benchmarkMap.get(metric);const key=this.getSeriesKey_(metric,benchmark);const stats=metricMap.get(STATISTICS_KEY);const mean=stats?stats.mean:0;data[key]=Math.round(mean*100)/100;}
-if(page===AGGREGATE_KEY){aggregateChart.push(data);}else{chartData.push(data);}}
-chartData.push({});}
-chartData.shift();return{title:chartName,aggregate:aggregateChart,page:chartData,submetrics:this.processSubmetricsData_(chartName)};},submetricsHelper_(submetric,value,benchmark,metricToSubmetricMap){let submetricToBenchmarkMap=metricToSubmetricMap.get(submetric);if(!submetricToBenchmarkMap){submetricToBenchmarkMap=[];metricToSubmetricMap.set(submetric,submetricToBenchmarkMap);}
-const data={x:submetric,hide:0,group:benchmark};const mean=value;const roundedMean=Math.round(mean*100)/100;if(!roundedMean)return;data[this.getSeriesKey_(submetric,benchmark)]=roundedMean;submetricToBenchmarkMap.push(data);},processSubmetricsData_(chartName){const submetrics=new Map();for(const[page,pageMap]of this.groupedData_.entries()){if(page===AGGREGATE_KEY)continue;const pageToMetricMap=getValueFromMap(page,submetrics);for(const benchmark of this.orderedBenchmarks_){const benchmarkMap=pageMap.get(benchmark);if(!benchmarkMap)continue;for(const metric of METRICS.get(chartName)){const metricMap=benchmarkMap.get(metric);const metricToSubmetricMap=getValueFromMap(metric,pageToMetricMap);const submetrics=metricMap.get(SUBMETRICS_KEY);if(!submetrics){this.submetricsHelper_(metric,metricMap.get(STATISTICS_KEY),benchmark,metricToSubmetricMap);continue;}
-for(const[submetric,value]of[...submetrics]){this.submetricsHelper_(submetric,value,benchmark,metricToSubmetricMap);}}}}
-return submetrics;},sortByTotal_(a,b,chartName){if(a===AGGREGATE_KEY)return-1;if(b===AGGREGATE_KEY)return 1;let aValue=0;const aMap=this.groupedData_.get(a);if(aMap.get(this.orderedBenchmarks_[0])!==undefined){for(const metric of METRICS.get(chartName)){const aMetricMap=aMap.get(this.orderedBenchmarks_[0]).get(metric);const aStats=aMetricMap.get(STATISTICS_KEY);aValue+=aStats?aStats.mean:0;}}
-let bValue=0;const bMap=this.groupedData_.get(b);if(bMap.get(this.orderedBenchmarks_[0])!==undefined){for(const metric of METRICS.get(chartName)){const bMetricMap=bMap.get(this.orderedBenchmarks_[0]).get(metric);const bStats=bMetricMap.get(STATISTICS_KEY);bValue+=bStats?bStats.mean:0;}}
-return aValue-bValue;},filterPagesWithoutRasterMetric_(page){const pageMap=this.groupedData_.get(page);for(const benchmark of this.orderedBenchmarks_){const pageMetricMap=pageMap.get(benchmark);if(!pageMetricMap)continue;const wantedMetric=pageMetricMap.get(RASTER_START_METRIC_KEY);if(wantedMetric!==undefined)return true;}
-return false;},sortByRasterStart_(a,b){if(a===AGGREGATE_KEY)return 1;if(b===AGGREGATE_KEY)return-1;let aValue=0;const aMap=this.groupedData_.get(a);if(aMap.get(this.orderedBenchmarks_[0])!==undefined){const aMetricMap=aMap.get(this.orderedBenchmarks_[0]).get(RASTER_START_METRIC_KEY);const aStats=aMetricMap.get(STATISTICS_KEY);aValue=aStats?aStats.mean:0;}
-let bValue=0;const bMap=this.groupedData_.get(b);if(bMap.get(this.orderedBenchmarks_[0])!==undefined){const bMetricMap=bMap.get(this.orderedBenchmarks_[0]).get(RASTER_START_METRIC_KEY);const bStats=bMetricMap.get(STATISTICS_KEY);bValue=bStats?bStats.mean:0;}
-return bValue-aValue;},});return{STATISTICS_KEY,SUBMETRICS_KEY,AGGREGATE_KEY,COLORS,FRAME,METRICS,getValueFromMap,};});'use strict';tr.exportTo('tr.v.ui',function(){Polymer({is:'tr-v-ui-histogram-set-view',listeners:{export:'onExport_',loadVisualization:'onLoadVisualization_'},created(){this.brushingStateController_=new tr.ui.NullBrushingStateController();this.viewState_=new tr.v.ui.HistogramSetViewState();this.visualizationLoaded_=false;},ready(){this.$.table.viewState=this.viewState;this.$.controls.viewState=this.viewState;},attached(){this.brushingStateController.parentController=tr.c.BrushingStateController.getControllerForElement(this.parentNode);},get brushingStateController(){return this.brushingStateController_;},get viewState(){return this.viewState_;},get histograms(){return this.$.table.histograms;},async build(histograms,opt_options){const options=opt_options||{};const progress=options.progress||(()=>Promise.resolve());if(options.helpHref)this.$.controls.helpHref=options.helpHref;if(options.feedbackHref){this.$.controls.feedbackHref=options.feedbackHref;}
+return histograms;}});return{MIDLINE_HORIZONTAL_ELLIPSIS,};});'use strict';tr.exportTo('tr.v.ui',function(){Polymer({is:'tr-v-ui-histogram-set-view',listeners:{export:'onExport_',},created(){this.brushingStateController_=new tr.ui.NullBrushingStateController();this.viewState_=new tr.v.ui.HistogramSetViewState();},ready(){this.$.table.viewState=this.viewState;this.$.controls.viewState=this.viewState;},attached(){this.brushingStateController.parentController=tr.c.BrushingStateController.getControllerForElement(this.parentNode);},get brushingStateController(){return this.brushingStateController_;},get viewState(){return this.viewState_;},get histograms(){return this.$.table.histograms;},async build(histograms,opt_options){const options=opt_options||{};const progress=options.progress||(()=>Promise.resolve());if(options.helpHref)this.$.controls.helpHref=options.helpHref;if(options.feedbackHref){this.$.controls.feedbackHref=options.feedbackHref;}
 if(histograms===undefined||histograms.length===0){this.$.container.style.display='none';this.$.zero.style.display='block';this.style.display='block';return;}
-this.$.zero.style.display='none';this.$.container.style.display='block';this.$.container.style.maxHeight=(window.innerHeight-16)+'px';const buildMark=tr.b.Timing.mark('histogram-set-view','build');await progress('Finding important Histograms...');const sourceHistogramsMark=tr.b.Timing.mark('histogram-set-view','sourceHistograms');const sourceHistograms=histograms.sourceHistograms;sourceHistogramsMark.end();this.$.controls.showAllEnabled=(sourceHistograms.length!==histograms.length);await progress('Collecting parameters...');const collectParametersMark=tr.b.Timing.mark('histogram-set-view','collectParameters');const parameterCollector=new tr.v.HistogramParameterCollector();parameterCollector.process(histograms);this.$.controls.baseStatisticNames=parameterCollector.statisticNames;this.$.controls.possibleGroupings=parameterCollector.possibleGroupings;const displayLabels=parameterCollector.labels;this.$.controls.displayLabels=displayLabels;collectParametersMark.end();const hist=[...histograms][0];const benchmarks=hist.diagnostics.get(tr.v.d.RESERVED_NAMES.BENCHMARKS);let enable=false;if(benchmarks!==undefined&&benchmarks.length>0){for(const benchmark of benchmarks){if(benchmark.includes('rendering')){enable=true;break;}}}
-this.$.controls.enableVisualization=enable;await this.$.table.build(histograms,sourceHistograms,displayLabels,progress);buildMark.end();},onExport_(event){const mark=tr.b.Timing.mark('histogram-set-view','export'+
+this.$.zero.style.display='none';this.$.container.style.display='block';this.$.container.style.maxHeight=(window.innerHeight-16)+'px';const buildMark=tr.b.Timing.mark('histogram-set-view','build');await progress('Finding important Histograms...');const sourceHistogramsMark=tr.b.Timing.mark('histogram-set-view','sourceHistograms');const sourceHistograms=histograms.sourceHistograms;sourceHistogramsMark.end();this.$.controls.showAllEnabled=(sourceHistograms.length!==histograms.length);await progress('Collecting parameters...');const collectParametersMark=tr.b.Timing.mark('histogram-set-view','collectParameters');const parameterCollector=new tr.v.HistogramParameterCollector();parameterCollector.process(histograms);this.$.controls.baseStatisticNames=parameterCollector.statisticNames;this.$.controls.possibleGroupings=parameterCollector.possibleGroupings;const displayLabels=parameterCollector.labels;this.$.controls.displayLabels=displayLabels;collectParametersMark.end();await this.$.table.build(histograms,sourceHistograms,displayLabels,progress);buildMark.end();},onExport_(event){const mark=tr.b.Timing.mark('histogram-set-view','export'+
 (event.merged?'Merged':'Raw')+event.format.toUpperCase());const histograms=event.merged?this.$.table.leafHistograms:this.histograms;let blob;if(event.format==='csv'){const csv=new tr.v.CSVBuilder(histograms);csv.build();blob=new window.Blob([csv.toString()],{type:'text/csv'});}else if(event.format==='json'){blob=new window.Blob([JSON.stringify(histograms.asDicts())],{type:'text/json'});}else{throw new Error(`Unable to export format "${event.format}"`);}
-const path=window.location.pathname.split('/');const basename=path[path.length-1].split('.')[0]||'histograms';const anchor=document.createElement('a');anchor.download=`${basename}.${event.format}`;anchor.href=window.URL.createObjectURL(blob);anchor.click();mark.end();},onLoadVisualization_(event){if(!this.visualizationLoaded_){this.$.visualizations.style.display='block';this.$.visualizations.build(this.$.table.leafHistograms,this.histograms);this.visualizationLoaded_=true;}else if(this.$.visualizations.style.display==='none'){this.$.visualizations.style.display='block';}else{this.$.visualizations.style.display='none';}},});return{};});'use strict';tr.exportTo('tr.ui',function(){Polymer({is:'tr-ui-sp-metrics-side-panel',behaviors:[tr.ui.behaviors.SidePanel],ready(){this.model_=undefined;this.rangeOfInterest_=undefined;this.metricLatenciesMs_=[];this.metrics_=[];tr.metrics.MetricRegistry.getAllRegisteredTypeInfos().forEach(function(m){if(m.constructor.name==='sampleMetric')return;this.metrics_.push({label:m.constructor.name,value:m.constructor.name});},this);this.metrics_.sort((x,y)=>x.label.localeCompare(y.label));this.settingsKey_='metrics-side-panel-metric-name';this.currentMetricName_='responsivenessMetric';const metricSelector=tr.ui.b.createSelector(this,'currentMetricName_',this.settingsKey_,this.currentMetricName_,this.metrics_);Polymer.dom(this.$.top_left_controls).appendChild(metricSelector);metricSelector.addEventListener('change',this.onMetricChange_.bind(this));this.currentMetricTypeInfo_=tr.metrics.MetricRegistry.findTypeInfoWithName(this.currentMetricName_);this.recomputeButton_=tr.ui.b.createButton('Recompute',this.onRecompute_,this);Polymer.dom(this.$.top_left_controls).appendChild(this.recomputeButton_);this.$.results.addEventListener('display-ready',()=>{this.$.results.style.display='';});},async build(model){this.model_=model;await this.updateContents_();},get metricLatencyMs(){return tr.b.math.Statistics.mean(this.metricLatenciesMs_);},onMetricChange_(){this.currentMetricTypeInfo_=tr.metrics.MetricRegistry.findTypeInfoWithName(this.currentMetricName_);this.metricLatenciesMs_=[];this.updateContents_();},onRecompute_(){this.updateContents_();},get textLabel(){return'Metrics';},supportsModel(m){if(!m){return{supported:false,reason:'No model available'};}
+const path=window.location.pathname.split('/');const basename=path[path.length-1].split('.')[0]||'histograms';const anchor=document.createElement('a');anchor.download=`${basename}.${event.format}`;anchor.href=window.URL.createObjectURL(blob);anchor.click();mark.end();},});return{};});'use strict';tr.exportTo('tr.ui',function(){Polymer({is:'tr-ui-sp-metrics-side-panel',behaviors:[tr.ui.behaviors.SidePanel],ready(){this.model_=undefined;this.rangeOfInterest_=undefined;this.metricLatenciesMs_=[];this.metrics_=[];tr.metrics.MetricRegistry.getAllRegisteredTypeInfos().forEach(function(m){if(m.constructor.name==='sampleMetric')return;this.metrics_.push({label:m.constructor.name,value:m.constructor.name});},this);this.metrics_.sort((x,y)=>x.label.localeCompare(y.label));this.settingsKey_='metrics-side-panel-metric-name';this.currentMetricName_='responsivenessMetric';const metricSelector=tr.ui.b.createSelector(this,'currentMetricName_',this.settingsKey_,this.currentMetricName_,this.metrics_);Polymer.dom(this.$.top_left_controls).appendChild(metricSelector);metricSelector.addEventListener('change',this.onMetricChange_.bind(this));this.currentMetricTypeInfo_=tr.metrics.MetricRegistry.findTypeInfoWithName(this.currentMetricName_);this.recomputeButton_=tr.ui.b.createButton('Recompute',this.onRecompute_,this);Polymer.dom(this.$.top_left_controls).appendChild(this.recomputeButton_);this.$.results.addEventListener('display-ready',()=>{this.$.results.style.display='';});},async build(model){this.model_=model;await this.updateContents_();},get metricLatencyMs(){return tr.b.math.Statistics.mean(this.metricLatenciesMs_);},onMetricChange_(){this.currentMetricTypeInfo_=tr.metrics.MetricRegistry.findTypeInfoWithName(this.currentMetricName_);this.metricLatenciesMs_=[];this.updateContents_();},onRecompute_(){this.updateContents_();},get textLabel(){return'Metrics';},supportsModel(m){if(!m){return{supported:false,reason:'No model available'};}
 return{supported:true};},get model(){return this.model_;},set model(model){this.build(model);},get selection(){},set selection(_){},get rangeOfInterest(){return this.rangeOfInterest_;},set rangeOfInterest(range){this.rangeOfInterest_=range;if(this.currentMetricTypeInfo_&&this.currentMetricTypeInfo_.metadata.supportsRangeOfInterest){if((this.metricLatencyMs===undefined)||(this.metricLatencyMs<100)){this.updateContents_();}else{this.recomputeButton_.style.background='red';}}},async updateContents_(){Polymer.dom(this.$.error).textContent='';this.$.results.style.display='none';if(!this.model_){Polymer.dom(this.$.error).textContent='Missing model';return;}
 const options={metrics:[this.currentMetricName_]};if(this.currentMetricTypeInfo_&&this.currentMetricTypeInfo_.metadata.supportsRangeOfInterest&&this.rangeOfInterest&&!this.rangeOfInterest.isEmpty){options.rangeOfInterest=this.rangeOfInterest;}
 const startDate=new Date();const addFailureCb=failure=>{Polymer.dom(this.$.error).textContent=failure.description;};const histograms=tr.metrics.runMetrics(this.model_,options,addFailureCb);this.metricLatenciesMs_.push(new Date()-startDate);while(this.metricLatenciesMs_.length>20){this.metricLatenciesMs_.shift();}
diff --git a/runtime/observatory_2/lib/app.dart b/runtime/observatory_2/lib/app.dart
index 86de2ed..1c9849c 100644
--- a/runtime/observatory_2/lib/app.dart
+++ b/runtime/observatory_2/lib/app.dart
@@ -18,7 +18,6 @@
 import 'package:observatory_2/tracer.dart';
 import 'package:observatory_2/utils.dart';
 import 'package:stack_trace/stack_trace.dart';
-import 'package:usage/usage_html.dart';
 
 export 'package:observatory_2/utils.dart';
 
diff --git a/runtime/observatory_2/web/third_party/trace_viewer_full.html b/runtime/observatory_2/web/third_party/trace_viewer_full.html
index d815ec5..49c4e55 100644
--- a/runtime/observatory_2/web/third_party/trace_viewer_full.html
+++ b/runtime/observatory_2/web/third_party/trace_viewer_full.html
@@ -2908,8 +2908,6 @@
       <div id="collapsing_controls"></div>
       <tr-ui-b-info-bar-group id="import-warnings">
       </tr-ui-b-info-bar-group>
-      <tr-ui-b-info-bar-group id="polyfill-warning">
-      </tr-ui-b-info-bar-group>
     </div>
     <middle-container>
       <slot></slot>
@@ -3120,10 +3118,6 @@
       margin-right: 20px;
     }
 
-    #show_visualization {
-      margin-right: 20px;
-    }
-
     #export {
       margin-right: 20px;
     }
@@ -3169,8 +3163,6 @@
       <select id="statistic" value="{{displayStatisticName::change}}">
       </select>
 
-      <button id="show_visualization" on-tap="loadVisualization_">Visualize</button>
-
       <tr-ui-b-dropdown label="Export">
         <tr-v-ui-histogram-set-controls-export>
         </tr-v-ui-histogram-set-controls-export>
@@ -3396,221 +3388,6 @@
 
     <tr-ui-b-table id="table">
   </tr-ui-b-table></template>
-</dom-module><dom-module id="tr-v-ui-metrics-visualization">
-  <template>
-    <style>
-      button {
-        padding: 5px;
-        font-size: 14px;
-      }
-
-      .text_input {
-        width: 50px;
-        padding: 4px;
-        font-size: 14px;
-      }
-
-      .error {
-        color: red;
-        display: none;
-      }
-
-      .container {
-        position: relative;
-        display: inline-block;
-        margin-left: 15px;
-      }
-
-      #title {
-        font-size: 20px;
-        font-weight: bold;
-        padding-bottom: 5px;
-      }
-
-      #selectors {
-        display: block;
-        padding-bottom: 10px;
-      }
-
-      #search_page {
-        width: 200px;
-        margin-left: 30px;
-      }
-
-      #close {
-        display: none;
-        vertical-align: top;
-      }
-
-      #close svg{
-        height: 1em;
-      }
-
-      #close svg line {
-        stroke-width: 18;
-        stroke: black;
-      }
-
-      #close:hover svg {
-        background: black;
-      }
-
-      #close:hover svg line {
-        stroke: white;
-      }
-    </style>
-      <span class="container" id="aggregateContainer">
-      </span>
-      <span class="container" id="pageByPageContainer">
-        <span id="selectors">
-          <span id="percentile_label">Percentile Range:</span>
-          <input class="text_input" id="start" placeholder="0"/>
-          <input class="text_input" id="end" placeholder="100"/>
-          <button id="filter" on-tap="filterByPercentile_">Filter</button>
-          <input class="text_input" id="search_page" placeholder="Page Name"/>
-          <button id="search" on-tap="searchByPage_">Search</button>
-          <span class="error" id="search_error">Sorry, could not find that page!</span>
-        </span>
-      </span>
-      <div display="block" id="submetricsContainer">
-        <span id="close">
-          <svg viewBox="0 0 128 128">
-            <line x1="28" x2="100" y1="28" y2="100"></line>
-            <line x1="28" x2="100" y1="100" y2="28"></line>
-          </svg>
-        </span>
-      </div>
-  </template>
-</dom-module><dom-module id="tr-v-ui-raster-visualization">
-  <template>
-    <style>
-      button {
-        padding: 5px;
-        font-size: 14px;
-      }
-      .error {
-        color: red;
-        display: none;
-      }
-
-      .text_input {
-        width: 200px;
-        padding: 4px;
-        font-size: 14px;
-      }
-
-      .selector_container{
-        padding: 5px;
-      }
-
-      #search {
-        display: inline-block;
-        padding-bottom: 10px;
-      }
-
-      #search_page {
-        width: 200px;
-      }
-
-      #pageSelector {
-        display: inline-block;
-        font-size: 12pt;
-      }
-
-      #close {
-        display: none;
-        vertical-align: top;
-      }
-
-      #close svg{
-        height: 1em;
-      }
-
-      #close svg line {
-        stroke-width: 18;
-        stroke: black;
-      }
-
-      #close:hover svg {
-        background: black;
-      }
-
-      #close:hover svg line {
-        stroke: white;
-      }
-    </style>
-    <span id="aggregateContainer">
-      <div>
-        <div class="selector_container">
-          <span id="select_page_label">Individual Page Results:</span>
-          <select id="pageSelector">
-            <option id="select_page" value="">Select a page</option>
-          </select>
-        </div>
-        <div class="selector_container">
-          <div id="search_page_label">Search for a page:</div>
-          <input class="text_input" id="search_page" placeholder="Page Name"/>
-          <button id="search_button">Search</button>
-          <div class="error" id="search_error">Sorry, could not find that page!</div>
-        </div>
-      </div>
-    </span>
-    <span id="pageContainer">
-      <span id="close">
-          <svg viewBox="0 0 128 128">
-            <line x1="28" x2="100" y1="28" y2="100"></line>
-            <line x1="28" x2="100" y1="100" y2="28"></line>
-          </svg>
-        </span>
-      </span>
-  </template>
-</dom-module><meta charset="utf-8"/><dom-module id="tr-v-ui-visualizations-data-container">
-  <template>
-    <style>
-      .error {
-        color: red;
-        display: none;
-      }
-
-      .sample{
-        display: none;
-      }
-
-      .subtitle{
-        font-size: 20px;
-        font-weight: bold;
-        padding-bottom: 5px;
-      }
-
-      .description{
-        font-size: 15px;
-        padding-bottom: 5px;
-      }
-
-      #title {
-        font-size: 30px;
-        font-weight: bold;
-        padding-bottom: 5px;
-      }
-    </style>
-    <div id="title">Visualizations</div>
-    <div class="error" id="data_error">Invalid data provided.</div>
-    <div id="pipeline_per_frame_container">
-      <div class="subtitle">Graphics Pipeline and Raster Tasks</div>
-      <div class="description">
-        When raster tasks are completed in comparison to the rest of the graphics pipeline.<br/>
-        Only pages where raster tasks are completed after beginFrame is issued are included.
-      </div>
-      <tr-v-ui-raster-visualization id="rasterVisualization">
-      </tr-v-ui-raster-visualization>
-    </div>
-    <div id="metrics_container">
-      <div class="subtitle">Metrics</div>
-      <div class="description">Total amount of time taken for the indicated metrics.</div>
-      <tr-v-ui-metrics-visualization class="sample" id="metricsVisualization">
-      </tr-v-ui-metrics-visualization>
-    </div>
-  </template>
 </dom-module><dom-module id="tr-v-ui-histogram-set-view">
   <template>
     <style>
@@ -3632,9 +3409,6 @@
       display: none;
     }
 
-    #visualizations{
-      display: none;
-    }
     </style>
 
     <div id="zero">zero Histograms</div>
@@ -3643,9 +3417,6 @@
       <tr-v-ui-histogram-set-controls id="controls">
       </tr-v-ui-histogram-set-controls>
 
-      <tr-v-ui-visualizations-data-container id="visualizations">
-      </tr-v-ui-visualizations-data-container>
-
       <tr-v-ui-histogram-set-table id="table"></tr-v-ui-histogram-set-table>
     </div>
   </template>
@@ -3702,7 +3473,22 @@
  * Do not edit directly.
  */
 
-'use strict';if(!window.CustomElements||window.CustomElements.hasNative){if(window.Polymer){throw new Error('Cannot proceed. Polymer already present.');}
+'use strict';const global=this.window||this.global;this.tr=(function(){if(global.tr)return global.tr;function exportPath(name){const parts=name.split('.');let cur=global;for(let part;parts.length&&(part=parts.shift());){if(part in cur){cur=cur[part];}else{cur=cur[part]={};}}
+return cur;}
+function isExported(name){const parts=name.split('.');let cur=global;for(let part;parts.length&&(part=parts.shift());){if(part in cur){cur=cur[part];}else{return false;}}
+return true;}
+function isDefined(name){const parts=name.split('.');let curObject=global;for(let i=0;i<parts.length;i++){const partName=parts[i];const nextObject=curObject[partName];if(nextObject===undefined)return false;curObject=nextObject;}
+return true;}
+let panicElement=undefined;const rawPanicMessages=[];function showPanicElementIfNeeded(){if(panicElement)return;const panicOverlay=document.createElement('div');panicOverlay.style.backgroundColor='white';panicOverlay.style.border='3px solid red';panicOverlay.style.boxSizing='border-box';panicOverlay.style.color='black';panicOverlay.style.display='flex';panicOverlay.style.height='100%';panicOverlay.style.left=0;panicOverlay.style.padding='8px';panicOverlay.style.position='fixed';panicOverlay.style.top=0;panicOverlay.style.webkitFlexDirection='column';panicOverlay.style.width='100%';panicElement=document.createElement('div');panicElement.style.webkitFlex='1 1 auto';panicElement.style.overflow='auto';panicOverlay.appendChild(panicElement);if(!document.body){setTimeout(function(){document.body.appendChild(panicOverlay);},150);}else{document.body.appendChild(panicOverlay);}}
+function showPanic(panicTitle,panicDetails){if(tr.isHeadless){if(panicDetails instanceof Error)throw panicDetails;throw new Error('Panic: '+panicTitle+':\n'+panicDetails);}
+if(panicDetails instanceof Error){panicDetails=panicDetails.stack;}
+showPanicElementIfNeeded();const panicMessageEl=document.createElement('div');panicMessageEl.innerHTML='<h2 id="message"></h2>'+'<pre id="details"></pre>';panicMessageEl.querySelector('#message').textContent=panicTitle;panicMessageEl.querySelector('#details').textContent=panicDetails;panicElement.appendChild(panicMessageEl);rawPanicMessages.push({title:panicTitle,details:panicDetails});}
+function hasPanic(){return rawPanicMessages.length!==0;}
+function getPanicText(){return rawPanicMessages.map(function(msg){return msg.title;}).join(', ');}
+function exportTo(namespace,fn){const obj=exportPath(namespace);const exports=fn();for(const propertyName in exports){const propertyDescriptor=Object.getOwnPropertyDescriptor(exports,propertyName);if(propertyDescriptor){Object.defineProperty(obj,propertyName,propertyDescriptor);}}}
+function initialize(){if(global.isVinn){tr.isVinn=true;}else if(global.process&&global.process.versions.node){tr.isNode=true;}else{tr.isVinn=false;tr.isNode=false;tr.doc=document;tr.isMac=/Mac/.test(navigator.platform);tr.isWindows=/Win/.test(navigator.platform);tr.isChromeOS=/CrOS/.test(navigator.userAgent);tr.isLinux=/Linux/.test(navigator.userAgent);}
+tr.isHeadless=tr.isVinn||tr.isNode;}
+return{initialize,exportTo,isExported,isDefined,showPanic,hasPanic,getPanicText,};})();tr.initialize();'use strict';if(!window.CustomElements||window.CustomElements.hasNative){if(window.Polymer){throw new Error('Cannot proceed. Polymer already present.');}
 window.Polymer={};window.Polymer.dom='shadow';}
 (function(){function resolve(){document.body.removeAttribute('unresolved');}
 if(window.WebComponents){addEventListener('WebComponentsReady',resolve);}else{if(document.readyState==='interactive'||document.readyState==='complete'){resolve();}else{addEventListener('DOMContentLoaded',resolve);}}}());window.Polymer={Settings:function(){var settings=window.Polymer||{};if(!settings.noUrlSettings){var parts=location.search.slice(1).split('&');for(var i=0,o;i<parts.length&&(o=parts[i]);i++){o=o.split('=');o[0]&&(settings[o[0]]=o[1]||true);}}
@@ -4296,22 +4082,7 @@
 this._instance=null;}},_showHideChildren:function(){var hidden=this.__hideTemplateChildren__||!this.if;if(this._instance){this._instance._showHideChildren(hidden);}},_forwardParentProp:function(prop,value){if(this._instance){this._instance.__setProperty(prop,value,true);}},_forwardParentPath:function(path,value){if(this._instance){this._instance._notifyPath(path,value,true);}}});Polymer({is:'dom-bind',properties:{notifyDomChange:{type:Boolean}},extends:'template',_template:null,created:function(){var self=this;Polymer.RenderStatus.whenReady(function(){if(document.readyState=='loading'){document.addEventListener('DOMContentLoaded',function(){self._markImportsReady();});}else{self._markImportsReady();}});},_ensureReady:function(){if(!this._readied){this._readySelf();}},_markImportsReady:function(){this._importsReady=true;this._ensureReady();},_registerFeatures:function(){this._prepConstructor();},_insertChildren:function(){var refNode;var parentNode=Polymer.dom(this).parentNode;if(parentNode.localName==this.is){refNode=parentNode;parentNode=Polymer.dom(parentNode).parentNode;}else{refNode=this;}
 Polymer.dom(parentNode).insertBefore(this.root,refNode);},_removeChildren:function(){if(this._children){for(var i=0;i<this._children.length;i++){this.root.appendChild(this._children[i]);}}},_initFeatures:function(){},_scopeElementClass:function(element,selector){if(this.dataHost){return this.dataHost._scopeElementClass(element,selector);}else{return selector;}},_configureInstanceProperties:function(){},_prepConfigure:function(){var config={};for(var prop in this._propertyEffects){config[prop]=this[prop];}
 var setupConfigure=this._setupConfigure;this._setupConfigure=function(){setupConfigure.call(this,config);};},attached:function(){if(this._importsReady){this.render();}},detached:function(){this._removeChildren();},render:function(){this._ensureReady();if(!this._children){this._template=this;this._prepAnnotations();this._prepEffects();this._prepBehaviors();this._prepConfigure();this._prepBindings();this._prepPropertyInfo();Polymer.Base._initFeatures.call(this);this._children=Polymer.TreeApi.arrayCopyChildNodes(this.root);}
-this._insertChildren();if(!Polymer.Settings.suppressTemplateNotifications||this.notifyDomChange){this.fire('dom-change');}}});'use strict';if(!window.CustomElements||window.CustomElements.hasNative){if(!Polymer.Settings.useNativeShadow){tr.showPanic('Polymer error','base should use native shadow when possible.');}}'use strict';const global=this.window||this.global;this.tr=(function(){if(global.tr)return global.tr;function exportPath(name){const parts=name.split('.');let cur=global;for(let part;parts.length&&(part=parts.shift());){if(part in cur){cur=cur[part];}else{cur=cur[part]={};}}
-return cur;}
-function isExported(name){const parts=name.split('.');let cur=global;for(let part;parts.length&&(part=parts.shift());){if(part in cur){cur=cur[part];}else{return false;}}
-return true;}
-function isDefined(name){const parts=name.split('.');let curObject=global;for(let i=0;i<parts.length;i++){const partName=parts[i];const nextObject=curObject[partName];if(nextObject===undefined)return false;curObject=nextObject;}
-return true;}
-let panicElement=undefined;const rawPanicMessages=[];function showPanicElementIfNeeded(){if(panicElement)return;const panicOverlay=document.createElement('div');panicOverlay.style.backgroundColor='white';panicOverlay.style.border='3px solid red';panicOverlay.style.boxSizing='border-box';panicOverlay.style.color='black';panicOverlay.style.display='flex';panicOverlay.style.height='100%';panicOverlay.style.left=0;panicOverlay.style.padding='8px';panicOverlay.style.position='fixed';panicOverlay.style.top=0;panicOverlay.style.webkitFlexDirection='column';panicOverlay.style.width='100%';panicElement=document.createElement('div');panicElement.style.webkitFlex='1 1 auto';panicElement.style.overflow='auto';panicOverlay.appendChild(panicElement);if(!document.body){setTimeout(function(){document.body.appendChild(panicOverlay);},150);}else{document.body.appendChild(panicOverlay);}}
-function showPanic(panicTitle,panicDetails){if(tr.isHeadless){if(panicDetails instanceof Error)throw panicDetails;throw new Error('Panic: '+panicTitle+':\n'+panicDetails);}
-if(panicDetails instanceof Error){panicDetails=panicDetails.stack;}
-showPanicElementIfNeeded();const panicMessageEl=document.createElement('div');panicMessageEl.innerHTML='<h2 id="message"></h2>'+'<pre id="details"></pre>';panicMessageEl.querySelector('#message').textContent=panicTitle;panicMessageEl.querySelector('#details').textContent=panicDetails;panicElement.appendChild(panicMessageEl);rawPanicMessages.push({title:panicTitle,details:panicDetails});}
-function hasPanic(){return rawPanicMessages.length!==0;}
-function getPanicText(){return rawPanicMessages.map(function(msg){return msg.title;}).join(', ');}
-function exportTo(namespace,fn){const obj=exportPath(namespace);const exports=fn();for(const propertyName in exports){const propertyDescriptor=Object.getOwnPropertyDescriptor(exports,propertyName);if(propertyDescriptor){Object.defineProperty(obj,propertyName,propertyDescriptor);}}}
-function initialize(){if(global.isVinn){tr.isVinn=true;}else if(global.process&&global.process.versions.node){tr.isNode=true;}else{tr.isVinn=false;tr.isNode=false;tr.doc=document;tr.isMac=/Mac/.test(navigator.platform);tr.isWindows=/Win/.test(navigator.platform);tr.isChromeOS=/CrOS/.test(navigator.userAgent);tr.isLinux=/Linux/.test(navigator.userAgent);}
-tr.isHeadless=tr.isVinn||tr.isNode;}
-return{initialize,exportTo,isExported,isDefined,showPanic,hasPanic,getPanicText,};})();tr.initialize();'use strict';tr.exportTo('tr.b',function(){function EventTarget(){}
+this._insertChildren();if(!Polymer.Settings.suppressTemplateNotifications||this.notifyDomChange){this.fire('dom-change');}}});'use strict';if(!window.CustomElements||window.CustomElements.hasNative){if(!Polymer.Settings.useNativeShadow){tr.showPanic('Polymer error','base should use native shadow when possible.');}}'use strict';tr.exportTo('tr.b',function(){function EventTarget(){}
 EventTarget.decorate=function(target){for(const k in EventTarget.prototype){if(k==='decorate')continue;const v=EventTarget.prototype[k];if(typeof v!=='function')continue;target[k]=v;}};EventTarget.prototype={addEventListener(type,handler){if(!this.listeners_){this.listeners_=Object.create(null);}
 if(!(type in this.listeners_)){this.listeners_[type]=[handler];}else{const handlers=this.listeners_[type];if(handlers.indexOf(handler)<0){handlers.push(handler);}}},removeEventListener(type,handler){if(!this.listeners_)return;if(type in this.listeners_){const handlers=this.listeners_[type];const index=handlers.indexOf(handler);if(index>=0){if(handlers.length===1){delete this.listeners_[type];}else{handlers.splice(index,1);}}}},dispatchEvent(event){if(!this.listeners_)return true;event.__defineGetter__('target',()=>this);const realPreventDefault=event.preventDefault;event.preventDefault=function(){realPreventDefault.call(this);this.rawReturnValue=false;};const type=event.type;let prevented=0;if(type in this.listeners_){const handlers=this.listeners_[type].concat();for(let i=0,handler;handler=handlers[i];i++){if(handler.handleEvent){prevented|=handler.handleEvent.call(handler,event)===false;}else{prevented|=handler.call(this,event)===false;}}}
 return!prevented&&event.rawReturnValue;},async dispatchAsync(event){if(!this.listeners_)return true;const listeners=this.listeners_[event.type];if(listeners===undefined)return;await Promise.all(listeners.slice().map(listener=>{if(listener.handleEvent){return listener.handleEvent.call(listener,event);}
@@ -4573,7 +4344,7 @@
 const baseUnit=Unit.byName[params.baseUnitName];definedUnits.forEach(u=>u.baseUnit=baseUnit);};Unit.nameSuffixForImprovementDirection=function(improvementDirection){switch(improvementDirection){case ImprovementDirection.DONT_CARE:return'';case ImprovementDirection.BIGGER_IS_BETTER:return'_biggerIsBetter';case ImprovementDirection.SMALLER_IS_BETTER:return'_smallerIsBetter';default:throw new Error('Unknown improvement direction: '+improvementDirection);}};Unit.defineUnitVariant_=function(params,isDelta,improvementDirection){let nameSuffix=isDelta?'Delta':'';nameSuffix+=Unit.nameSuffixForImprovementDirection(improvementDirection);const unitName=params.baseUnitName+nameSuffix;const jsonName=params.baseJsonName+nameSuffix;if(Unit.byName[unitName]!==undefined){throw new Error('Unit \''+unitName+'\' already exists');}
 if(Unit.byJSONName[jsonName]!==undefined){throw new Error('JSON unit \''+jsonName+'\' alread exists');}
 let scaleBaseUnit=params.scaleBaseUnit;if(!scaleBaseUnit){let formatSpec=params.formatSpec;if(typeof formatSpec==='function')formatSpec=formatSpec();const baseSymbol=formatSpec.unitScale?formatSpec.unitScale[0].baseSymbol:(formatSpec.baseSymbol||'');scaleBaseUnit={value:1,symbol:baseSymbol,baseSymbol};}
-const unit=new Unit(unitName,jsonName,scaleBaseUnit,isDelta,improvementDirection,params.formatSpec);Unit.byName[unitName]=unit;Unit.byJSONName[jsonName]=unit;return unit;};tr.b.EventTarget.decorate(Unit);Unit.reset();Unit.define({baseUnitName:'timeInMsAutoFormat',baseJsonName:'msBestFitFormat',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec:{unitScale:tr.b.UnitScale.TIME.AUTO,minimumFractionDigits:0,maximumFractionDigits:3}});Unit.define({baseUnitName:'timeDurationInMs',baseJsonName:'ms',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec(){return Unit.currentTimeDisplayMode_.formatSpec;}});Unit.define({baseUnitName:'timeStampInMs',baseJsonName:'tsMs',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec(){return Unit.currentTimeDisplayMode_.formatSpec;}});Unit.define({baseUnitName:'normalizedPercentage',baseJsonName:'n%',formatSpec:{unitScale:[{value:0.01,symbol:'%'}],avoidSpacePrecedingUnit:true,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'sizeInBytes',baseJsonName:'sizeInBytes',formatSpec:{unitScale:tr.b.UnitScale.MEMORY.AUTO,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'bandwidthInBytesPerSecond',baseJsonName:'bytesPerSecond',formatSpec:{unitScale:tr.b.UnitScale.BANDWIDTH_BYTES.AUTO,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'energyInJoules',baseJsonName:'J',formatSpec:{unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('J','JOULE',tr.b.UnitPrefixScale.METRIC,'JOULE').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'powerInWatts',baseJsonName:'W',formatSpec:{unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('W','WATT',tr.b.UnitPrefixScale.METRIC,'WATT').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'electricCurrentInAmperes',baseJsonName:'A',formatSpec:{baseSymbol:'A',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('A','AMPERE',tr.b.UnitPrefixScale.METRIC,'AMPERE').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'electricPotentialInVolts',baseJsonName:'V',formatSpec:{baseSymbol:'V',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('V','VOLT',tr.b.UnitPrefixScale.METRIC,'VOLT').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'frequencyInHertz',baseJsonName:'Hz',formatSpec:{baseSymbol:'Hz',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('Hz','HERTZ',tr.b.UnitPrefixScale.METRIC,'HERTZ').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'unitlessNumber',baseJsonName:'unitless',formatSpec:{minimumFractionDigits:3,maximumFractionDigits:3}});Unit.define({baseUnitName:'count',baseJsonName:'count',formatSpec:{minimumFractionDigits:0,maximumFractionDigits:0}});Unit.define({baseUnitName:'sigma',baseJsonName:'sigma',formatSpec:{baseSymbol:String.fromCharCode(963),minimumFractionDigits:1,maximumFractionDigits:1}});return{ImprovementDirection,Unit,};});'use strict';tr.exportTo('tr.b',function(){class Scalar{constructor(unit,value){if(!(unit instanceof tr.b.Unit)){throw new Error('Expected Unit');}
+const unit=new Unit(unitName,jsonName,scaleBaseUnit,isDelta,improvementDirection,params.formatSpec);Unit.byName[unitName]=unit;Unit.byJSONName[jsonName]=unit;return unit;};tr.b.EventTarget.decorate(Unit);Unit.reset();Unit.define({baseUnitName:'timeInMsAutoFormat',baseJsonName:'msBestFitFormat',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec:{unitScale:tr.b.UnitScale.TIME.AUTO,minimumFractionDigits:0,maximumFractionDigits:3}});Unit.define({baseUnitName:'timeDurationInMs',baseJsonName:'ms',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec(){return Unit.currentTimeDisplayMode_.formatSpec;}});Unit.define({baseUnitName:'timeStampInMs',baseJsonName:'tsMs',scaleBaseUnit:tr.b.UnitScale.TIME.MILLI_SEC,formatSpec(){return Unit.currentTimeDisplayMode_.formatSpec;}});Unit.define({baseUnitName:'normalizedPercentage',baseJsonName:'n%',formatSpec:{unitScale:[{value:0.01,symbol:'%'}],avoidSpacePrecedingUnit:true,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'sizeInBytes',baseJsonName:'sizeInBytes',formatSpec:{unitScale:tr.b.UnitScale.MEMORY.AUTO,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'bandwidthInBytesPerSecond',baseJsonName:'bytesPerSecond',formatSpec:{unitScale:tr.b.UnitScale.BANDWIDTH_BYTES.AUTO,minimumFractionDigits:1,maximumFractionDigits:1}});Unit.define({baseUnitName:'energyInJoules',baseJsonName:'J',formatSpec:{unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('J','JOULE',tr.b.UnitPrefixScale.METRIC,'JOULE').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'powerInWatts',baseJsonName:'W',formatSpec:{unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('W','WATT',tr.b.UnitPrefixScale.METRIC,'WATT').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'electricCurrentInAmperes',baseJsonName:'A',formatSpec:{baseSymbol:'A',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('A','AMPERE',tr.b.UnitPrefixScale.METRIC,'AMPERE').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'batteryChargeInAmpereHours',baseJsonName:'Ah',formatSpec:{baseSymbol:'Ah',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('Ah','AMPEREHOUR',tr.b.UnitPrefixScale.METRIC,'AMPEREHOUR').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'electricPotentialInVolts',baseJsonName:'V',formatSpec:{baseSymbol:'V',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('V','VOLT',tr.b.UnitPrefixScale.METRIC,'VOLT').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'frequencyInHertz',baseJsonName:'Hz',formatSpec:{baseSymbol:'Hz',unitScale:tr.b.UnitScale.defineUnitScaleFromPrefixScale('Hz','HERTZ',tr.b.UnitPrefixScale.METRIC,'HERTZ').AUTO,minimumFractionDigits:3}});Unit.define({baseUnitName:'unitlessNumber',baseJsonName:'unitless',formatSpec:{minimumFractionDigits:3,maximumFractionDigits:3}});Unit.define({baseUnitName:'count',baseJsonName:'count',formatSpec:{minimumFractionDigits:0,maximumFractionDigits:0}});Unit.define({baseUnitName:'sigma',baseJsonName:'sigma',formatSpec:{baseSymbol:String.fromCharCode(963),minimumFractionDigits:1,maximumFractionDigits:1}});return{ImprovementDirection,Unit,};});'use strict';tr.exportTo('tr.b',function(){class Scalar{constructor(unit,value){if(!(unit instanceof tr.b.Unit)){throw new Error('Expected Unit');}
 if(!(typeof(value)==='number')){throw new Error('Expected value to be number');}
 this.unit=unit;this.value=value;}
 asDict(){return{unit:this.unit.asJSON(),value:tr.b.numberToJson(this.value),};}
@@ -4808,8 +4579,8 @@
 return process.findAllThreadsNamed('CrGpuMain').length>0;};ChromeGpuHelper.prototype={__proto__:tr.model.helpers.ChromeProcessHelper.prototype};return{ChromeGpuHelper,};});'use strict';tr.exportTo('tr.model.helpers',function(){const NET_CATEGORIES=new Set(['net','netlog','disabled-by-default-netlog','disabled-by-default-network']);class ChromeThreadHelper{constructor(thread){this.thread=thread;}
 getNetworkEvents(){const networkEvents=[];for(const slice of this.thread.asyncSliceGroup.slices){const categories=tr.b.getCategoryParts(slice.category);const isNetEvent=category=>NET_CATEGORIES.has(category);if(categories.filter(isNetEvent).length===0)continue;networkEvents.push(slice);}
 return networkEvents;}}
-return{ChromeThreadHelper,};});'use strict';tr.exportTo('tr.model.helpers',function(){const ChromeThreadHelper=tr.model.helpers.ChromeThreadHelper;function ChromeRendererHelper(modelHelper,process){tr.model.helpers.ChromeProcessHelper.call(this,modelHelper,process);this.mainThread_=process.findAtMostOneThreadNamed('CrRendererMain')||process.findAtMostOneThreadNamed('Chrome_InProcRendererThread');this.compositorThread_=process.findAtMostOneThreadNamed('Compositor');this.rasterWorkerThreads_=process.findAllThreadsMatching(function(t){if(t.name===undefined)return false;if(t.name.startsWith('CompositorTileWorker'))return true;if(t.name.startsWith('CompositorRasterWorker'))return true;return false;});this.dedicatedWorkerThreads_=process.findAllThreadsMatching(function(t){return t.name&&t.name.startsWith('DedicatedWorker');});this.foregroundWorkerThreads_=process.findAllThreadsMatching(function(t){return t.name&&t.name.startsWith('ThreadPoolForegroundWorker');});if(!process.name){process.name=ChromeRendererHelper.PROCESS_NAME;}}
-ChromeRendererHelper.PROCESS_NAME='Renderer';ChromeRendererHelper.isRenderProcess=function(process){if(process.findAtMostOneThreadNamed('CrRendererMain'))return true;if(process.findAtMostOneThreadNamed('Compositor'))return true;return false;};ChromeRendererHelper.isTracingProcess=function(process){return process.labels!==undefined&&process.labels.length===1&&process.labels[0]==='chrome://tracing';};ChromeRendererHelper.prototype={__proto__:tr.model.helpers.ChromeProcessHelper.prototype,get mainThread(){return this.mainThread_;},get compositorThread(){return this.compositorThread_;},get rasterWorkerThreads(){return this.rasterWorkerThreads_;},get dedicatedWorkerThreads(){return this.dedicatedWorkerThreads_;},get foregroundWorkerThreads(){return this.foregroundWorkerThreads_;},get isChromeTracingUI(){return ChromeRendererHelper.isTracingProcess(this.process);},};return{ChromeRendererHelper,};});'use strict';tr.exportTo('tr.model.um',function(){class Segment extends tr.model.TimedEvent{constructor(start,duration){super(start);this.duration=duration;this.expectations_=[];}
+return{ChromeThreadHelper,};});'use strict';tr.exportTo('tr.model.helpers',function(){const ChromeThreadHelper=tr.model.helpers.ChromeThreadHelper;function ChromeRendererHelper(modelHelper,process){tr.model.helpers.ChromeProcessHelper.call(this,modelHelper,process);this.mainThread_=process.findAtMostOneThreadNamed('CrRendererMain')||process.findAtMostOneThreadNamed('Chrome_InProcRendererThread');this.compositorThread_=process.findAtMostOneThreadNamed('Compositor');this.rasterWorkerThreads_=process.findAllThreadsMatching(function(t){if(t.name===undefined)return false;if(t.name.startsWith('CompositorTileWorker'))return true;if(t.name.startsWith('CompositorRasterWorker'))return true;return false;});this.dedicatedWorkerThreads_=process.findAllThreadsMatching(function(t){return t.name&&t.name.startsWith('DedicatedWorker');});this.serviceWorkerThreads_=process.findAllThreadsMatching(function(t){return t.name&&t.name.startsWith('ServiceWorker');});this.foregroundWorkerThreads_=process.findAllThreadsMatching(function(t){return t.name&&t.name.startsWith('ThreadPoolForegroundWorker');});if(!process.name){process.name=ChromeRendererHelper.PROCESS_NAME;}}
+ChromeRendererHelper.PROCESS_NAME='Renderer';ChromeRendererHelper.isRenderProcess=function(process){if(process.findAtMostOneThreadNamed('CrRendererMain'))return true;if(process.findAtMostOneThreadNamed('Compositor'))return true;return false;};ChromeRendererHelper.isTracingProcess=function(process){return process.labels!==undefined&&process.labels.length===1&&process.labels[0]==='chrome://tracing';};ChromeRendererHelper.prototype={__proto__:tr.model.helpers.ChromeProcessHelper.prototype,get mainThread(){return this.mainThread_;},get compositorThread(){return this.compositorThread_;},get rasterWorkerThreads(){return this.rasterWorkerThreads_;},get dedicatedWorkerThreads(){return this.dedicatedWorkerThreads_;},get serviceWorkerThreads(){return this.serviceWorkerThreads_;},get foregroundWorkerThreads(){return this.foregroundWorkerThreads_;},get isChromeTracingUI(){return ChromeRendererHelper.isTracingProcess(this.process);},};return{ChromeRendererHelper,};});'use strict';tr.exportTo('tr.model.um',function(){class Segment extends tr.model.TimedEvent{constructor(start,duration){super(start);this.duration=duration;this.expectations_=[];}
 get expectations(){return this.expectations_;}
 clone(){const clone=new Segment(this.start,this.duration);clone.expectations.push(...this.expectations);return clone;}
 addSegment(other){this.duration+=other.duration;this.expectations.push(...other.expectations);}}
@@ -4869,7 +4640,7 @@
 for(const category of Object.values(USER_FRIENDLY_CATEGORY_FOR_EVENT_CATEGORY)){ChromeUserFriendlyCategoryDriver.ALL_TITLES.push(category);}
 ChromeUserFriendlyCategoryDriver.ALL_TITLES.sort();for(const category of ChromeUserFriendlyCategoryDriver.ALL_TITLES){ChromeUserFriendlyCategoryDriver.getColor(category);}
 return{ChromeUserFriendlyCategoryDriver,};});'use strict';tr.exportTo('tr.model',function(){return{BROWSER_PROCESS_PID_REF:-1,OBJECT_DEFAULT_SCOPE:'ptr',LOCAL_ID_PHASES:new Set(['N','D','O','(',')'])};});'use strict';tr.exportTo('tr.e.audits',function(){const Auditor=tr.c.Auditor;const Alert=tr.model.Alert;const EventInfo=tr.model.EventInfo;function ChromeAuditor(model){Auditor.call(this,model);const modelHelper=this.model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(modelHelper&&modelHelper.browserHelper){this.modelHelper=modelHelper;}else{this.modelHelper=undefined;}}
-function getMissedFrameAlerts(rendererHelpers){const alerts=[];for(const rendererHelper of rendererHelpers){if(!rendererHelper.compositorThread)continue;const thread=rendererHelper.compositorThread;const asyncSlices=Object.values(thread.asyncSliceGroup.slices);for(const slice of asyncSlices){if(slice.title!=='PipelineReporter'||!slice.args.termination_status||slice.args.termination_status!=='missed_frame')continue;const alertSlices=[slice].concat(slice.subSlices);alerts.push(new Alert(new EventInfo('Missed Frame','Frame was not submitted before deadline.'),slice.start,alertSlices));}}
+function getMissedFrameAlerts(rendererHelpers){const alerts=[];for(const rendererHelper of rendererHelpers){if(!rendererHelper.compositorThread)continue;const thread=rendererHelper.compositorThread;const asyncSlices=Object.values(thread.asyncSliceGroup.slices);for(const slice of asyncSlices){if(slice.title==='PipelineReporter'&&slice.args.chrome_frame_reporter&&slice.args.chrome_frame_reporter.state==='STATE_DROPPED'){const alertSlices=[slice].concat(slice.subSlices);alerts.push(new Alert(new EventInfo('Dropped Frame','Frame was dropped (i.e. not produced/presented).'),slice.start,alertSlices));}}}
 return alerts;}
 ChromeAuditor.prototype={__proto__:Auditor.prototype,runAnnotate(){if(!this.modelHelper)return;for(const pid in this.modelHelper.rendererHelpers){const rendererHelper=this.modelHelper.rendererHelpers[pid];if(rendererHelper.isChromeTracingUI){rendererHelper.process.important=false;}}},installUserFriendlyCategoryDriverIfNeeded(){this.model.addUserFriendlyCategoryDriver(tr.e.chrome.ChromeUserFriendlyCategoryDriver);},runAudit(){if(!this.modelHelper)return;this.model.replacePIDRefsInPatchups(tr.model.BROWSER_PROCESS_PID_REF,this.modelHelper.browserProcess.pid);this.model.applyObjectRefPatchups();const alerts=getMissedFrameAlerts(Object.values(this.modelHelper.rendererHelpers));this.model.alerts=this.model.alerts.concat(alerts);}};Auditor.register(ChromeAuditor);return{ChromeAuditor,};});'use strict';tr.exportTo('tr.e.chrome',function(){const KNOWN_PROPERTIES={absX:1,absY:1,address:1,anonymous:1,childNeeds:1,children:1,classNames:1,col:1,colSpan:1,float:1,height:1,htmlId:1,name:1,posChildNeeds:1,positioned:1,positionedMovement:1,relX:1,relY:1,relativePositioned:1,row:1,rowSpan:1,selfNeeds:1,stickyPositioned:1,tag:1,width:1};function LayoutObject(snapshot,args){this.snapshot_=snapshot;this.id_=args.address;this.name_=args.name;this.childLayoutObjects_=[];this.otherProperties_={};this.tag_=args.tag;this.relativeRect_=tr.b.math.Rect.fromXYWH(args.relX,args.relY,args.width,args.height);this.absoluteRect_=tr.b.math.Rect.fromXYWH(args.absX,args.absY,args.width,args.height);this.isFloat_=args.float;this.isStickyPositioned_=args.stickyPositioned;this.isPositioned_=args.positioned;this.isRelativePositioned_=args.relativePositioned;this.isAnonymous_=args.anonymous;this.htmlId_=args.htmlId;this.classNames_=args.classNames;this.needsLayoutReasons_=[];if(args.selfNeeds){this.needsLayoutReasons_.push('self');}
 if(args.childNeeds){this.needsLayoutReasons_.push('child');}
@@ -5033,7 +4804,8 @@
 if(markers[0].domainId===domainId){throw new Error('A clock domain cannot sync with itself.');}
 markers.push(marker);this.onSyncCompleted_(markers[0],marker);},get completeSyncIds(){const completeSyncIds=[];for(const[syncId,markers]of this.markersBySyncId){if(markers.length===2)completeSyncIds.push(syncId);}
 return completeSyncIds;},get markersBySyncId(){return this.markersBySyncId_;},get domainsSeen(){return this.domainsSeen_;},getModelTimeTransformer(domainId){this.onDomainSeen_(domainId);if(!this.modelDomainId_){this.selectModelDomainId_();}
-return this.getTimeTransformerRaw_(domainId,this.modelDomainId_).fn;},getTimeTransformerError(fromDomainId,toDomainId){this.onDomainSeen_(fromDomainId);this.onDomainSeen_(toDomainId);return this.getTimeTransformerRaw_(fromDomainId,toDomainId).error;},getTimeTransformerRaw_(fromDomainId,toDomainId){const transformer=this.getTransformerBetween_(fromDomainId,toDomainId);if(!transformer){throw new Error('No clock sync markers exist pairing clock domain "'+
+return this.getTimeTransformerRaw_(domainId,this.modelDomainId_).fn;},getModelTimeTransformerInverse(domainId){this.onDomainSeen_(domainId);if(!this.modelDomainId_){this.selectModelDomainId_();}
+return this.getTimeTransformerRaw_(this.modelDomainId_,domainId).fn;},getTimeTransformerError(fromDomainId,toDomainId){this.onDomainSeen_(fromDomainId);this.onDomainSeen_(toDomainId);return this.getTimeTransformerRaw_(fromDomainId,toDomainId).error;},getTimeTransformerRaw_(fromDomainId,toDomainId){const transformer=this.getTransformerBetween_(fromDomainId,toDomainId);if(!transformer){throw new Error('No clock sync markers exist pairing clock domain "'+
 fromDomainId+'" '+'with target clock domain "'+
 toDomainId+'".');}
 return transformer;},getTransformerBetween_(fromDomainId,toDomainId){const visitedDomainIds=new Set();const queue=[{domainId:fromDomainId,transformer:Transformer.IDENTITY}];while(queue.length>0){queue.sort((domain1,domain2)=>domain1.transformer.error-domain2.transformer.error);const current=queue.shift();if(current.domainId===toDomainId){return current.transformer;}
@@ -5388,7 +5160,8 @@
 for(const event of this.childEvents()){event.start+=shiftAmount;}
 this.updateBounds();},convertTimestampToModelTime(sourceClockDomainName,ts){if(sourceClockDomainName!=='traceEventClock'){throw new Error('Only traceEventClock is supported.');}
 return tr.b.Unit.timestampFromUs(ts)+
-this.timestampShiftToZeroAmount_;},get numProcesses(){let n=0;for(const p in this.processes){n++;}
+this.timestampShiftToZeroAmount_;},convertTimestampFromModelTime(targetClockDomainName,ts){if(targetClockDomainName!=='traceEventClock'){throw new Error('Only traceEventClock is supported.');}
+const convertFn=this.clockSyncManager.getModelTimeTransformerInverse(tr.model.ClockDomainId.LINUX_FTRACE_GLOBAL);return convertFn(ts)-this.timestampShiftToZeroAmount_;},get numProcesses(){let n=0;for(const p in this.processes){n++;}
 return n;},getProcess(pid){return this.processes[pid];},getOrCreateProcess(pid){if(!this.processes[pid]){this.processes[pid]=new Process(this,pid);}
 return this.processes[pid];},addStackFrame(stackFrame){if(this.stackFrames[stackFrame.id]){throw new Error('Stack frame already exists');}
 this.stackFrames[stackFrame.id]=stackFrame;return stackFrame;},updateCategories_(){const categoriesDict={};this.userModel.addCategoriesToDict(categoriesDict);this.device.addCategoriesToDict(categoriesDict);this.kernel.addCategoriesToDict(categoriesDict);for(const pid in this.processes){this.processes[pid].addCategoriesToDict(categoriesDict);}
@@ -5878,7 +5651,7 @@
 XMarkerAnnotationView.prototype={__proto__:tr.ui.annotations.AnnotationView.prototype,draw(ctx){const dt=this.viewport_.currentDisplayTransform;const viewX=dt.xWorldToView(this.annotation_.timestamp);ctx.beginPath();tr.ui.b.drawLine(ctx,viewX,0,viewX,ctx.canvas.height);ctx.strokeStyle=this.annotation_.strokeStyle;ctx.stroke();}};return{XMarkerAnnotationView,};});'use strict';tr.exportTo('tr.model',function(){function XMarkerAnnotation(timestamp){tr.model.Annotation.apply(this,arguments);this.timestamp=timestamp;this.strokeStyle='rgba(0, 0, 255, 0.5)';}
 XMarkerAnnotation.fromDict=function(dict){return new XMarkerAnnotation(dict.args.timestamp);};XMarkerAnnotation.prototype={__proto__:tr.model.Annotation.prototype,toDict(){return{typeName:'xmarker',args:{timestamp:this.timestamp}};},createView_(viewport){return new tr.ui.annotations.XMarkerAnnotationView(viewport,this);}};tr.model.Annotation.register(XMarkerAnnotation,{typeName:'xmarker'});return{XMarkerAnnotation,};});'use strict';tr.exportTo('tr.e.importer',function(){const Base64=tr.b.Base64;const deepCopy=tr.b.deepCopy;const ColorScheme=tr.b.ColorScheme;const HeapDumpTraceEventImporter=tr.e.importer.HeapDumpTraceEventImporter;const LegacyHeapDumpTraceEventImporter=tr.e.importer.LegacyHeapDumpTraceEventImporter;const StreamingEventExpander=tr.e.importer.StreamingEventExpander;const ProfilingDictionaryReader=tr.e.importer.ProfilingDictionaryReader;const MEASURE_NAME_REGEX=tr.e.measure.MEASURE_NAME_REGEX;function getEventColor(event,opt_customName){if(event.cname){return ColorScheme.getColorIdForReservedName(event.cname);}else if(opt_customName||event.name){return ColorScheme.getColorIdForGeneralPurposeString(opt_customName||event.name);}}
 function isLegacyChromeClockSyncEvent(event){return event.name!==undefined&&event.name.startsWith(LEGACY_CHROME_CLOCK_SYNC_EVENT_NAME_PREFIX)&&((event.ph==='S')||(event.ph==='F'));}
-const PRODUCER='producer';const CONSUMER='consumer';const STEP='step';const BACKGROUND=tr.model.ContainerMemoryDump.LevelOfDetail.BACKGROUND;const LIGHT=tr.model.ContainerMemoryDump.LevelOfDetail.LIGHT;const DETAILED=tr.model.ContainerMemoryDump.LevelOfDetail.DETAILED;const MEMORY_DUMP_LEVEL_OF_DETAIL_ORDER=[undefined,BACKGROUND,LIGHT,DETAILED];const GLOBAL_MEMORY_ALLOCATOR_DUMP_PREFIX='global/';const LEGACY_CHROME_CLOCK_SYNC_EVENT_NAME_PREFIX='ClockSyncEvent.';const BYTE_STAT_NAME_MAP={'pc':'privateCleanResident','pd':'privateDirtyResident','sc':'sharedCleanResident','sd':'sharedDirtyResident','pss':'proportionalResident','sw':'swapped'};const WEAK_MEMORY_ALLOCATOR_DUMP_FLAG=1<<0;const OBJECT_TYPE_NAME_PATTERNS=[{prefix:'const char *WTF::getStringWithTypeName() [T = ',suffix:']'},{prefix:'const char* WTF::getStringWithTypeName() [with T = ',suffix:']'},{prefix:'const char *__cdecl WTF::getStringWithTypeName<',suffix:'>(void)'}];const SUBTRACE_FIELDS=new Set(['powerTraceAsString','systemTraceEvents','androidProcessDump',]);const NON_METADATA_FIELDS=new Set(['displayTimeUnit','samples','stackFrames','traceAnnotations','traceEvents',...SUBTRACE_FIELDS]);function TraceEventImporter(model,eventData){this.hasEvents_=undefined;this.importPriority=1;this.model_=model;this.events_=undefined;this.sampleEvents_=undefined;this.stackFrameEvents_=undefined;this.stackFrameTree_=new tr.model.ProfileTree();this.subtraces_=[];this.eventsWereFromString_=false;this.softwareMeasuredCpuCount_=undefined;this.allAsyncEvents_=[];this.allFlowEvents_=[];this.allObjectEvents_=[];this.contextProcessorPerThread={};this.traceEventSampleStackFramesByName_={};this.v8ProcessCodeMaps_={};this.v8ProcessRootStackFrame_={};this.v8SamplingData_=[];this.profileTrees_=new Map();this.profileInfo_=new Map();this.legacyChromeClockSyncStartEvent_=undefined;this.legacyChromeClockSyncFinishEvent_=undefined;this.allMemoryDumpEvents_={};this.heapProfileExpander=new ProfilingDictionaryReader();this.objectTypeNameMap_={};this.clockDomainId_=tr.model.ClockDomainId.UNKNOWN_CHROME_LEGACY;this.toModelTime_=undefined;if(typeof(eventData)==='string'||eventData instanceof String){eventData=eventData.trim();if(eventData[0]==='['){eventData=eventData.replace(/\s*,\s*$/,'');if(eventData[eventData.length-1]!==']'){eventData=eventData+']';}}
+const PRODUCER='producer';const CONSUMER='consumer';const STEP='step';const BACKGROUND=tr.model.ContainerMemoryDump.LevelOfDetail.BACKGROUND;const LIGHT=tr.model.ContainerMemoryDump.LevelOfDetail.LIGHT;const DETAILED=tr.model.ContainerMemoryDump.LevelOfDetail.DETAILED;const MEMORY_DUMP_LEVEL_OF_DETAIL_ORDER=[undefined,BACKGROUND,LIGHT,DETAILED];const GLOBAL_MEMORY_ALLOCATOR_DUMP_PREFIX='global/';const LEGACY_CHROME_CLOCK_SYNC_EVENT_NAME_PREFIX='ClockSyncEvent.';const BYTE_STAT_NAME_MAP={'pc':'privateCleanResident','pd':'privateDirtyResident','sc':'sharedCleanResident','sd':'sharedDirtyResident','pss':'proportionalResident','sw':'swapped'};const WEAK_MEMORY_ALLOCATOR_DUMP_FLAG=1<<0;const OBJECT_TYPE_NAME_PATTERNS=[{prefix:'const char *WTF::getStringWithTypeName() [T = ',suffix:']'},{prefix:'const char* WTF::getStringWithTypeName() [with T = ',suffix:']'},{prefix:'const char *__cdecl WTF::getStringWithTypeName<',suffix:'>(void)'}];const SUBTRACE_FIELDS=new Set(['powerTraceAsString','systemTraceEvents','androidProcessDump','cgroupDump',]);const NON_METADATA_FIELDS=new Set(['displayTimeUnit','samples','stackFrames','traceAnnotations','traceEvents',...SUBTRACE_FIELDS]);function TraceEventImporter(model,eventData){this.hasEvents_=undefined;this.importPriority=1;this.model_=model;this.events_=undefined;this.sampleEvents_=undefined;this.stackFrameEvents_=undefined;this.stackFrameTree_=new tr.model.ProfileTree();this.subtraces_=[];this.eventsWereFromString_=false;this.softwareMeasuredCpuCount_=undefined;this.allAsyncEvents_=[];this.allFlowEvents_=[];this.allObjectEvents_=[];this.contextProcessorPerThread={};this.traceEventSampleStackFramesByName_={};this.v8ProcessCodeMaps_={};this.v8ProcessRootStackFrame_={};this.v8SamplingData_=[];this.profileTrees_=new Map();this.profileInfo_=new Map();this.legacyChromeClockSyncStartEvent_=undefined;this.legacyChromeClockSyncFinishEvent_=undefined;this.allMemoryDumpEvents_={};this.heapProfileExpander=new ProfilingDictionaryReader();this.objectTypeNameMap_={};this.clockDomainId_=tr.model.ClockDomainId.UNKNOWN_CHROME_LEGACY;this.toModelTime_=undefined;if(typeof(eventData)==='string'||eventData instanceof String){eventData=eventData.trim();if(eventData[0]==='['){eventData=eventData.replace(/\s*,\s*$/,'');if(eventData[eventData.length-1]!==']'){eventData=eventData+']';}}
 this.events_=JSON.parse(eventData);this.eventsWereFromString_=true;}else{this.events_=eventData;}
 if(this.events_.traceEvents){const container=this.events_;this.events_=this.events_.traceEvents;for(const subtraceField of SUBTRACE_FIELDS){if(container[subtraceField]){this.storeSubtrace_(container[subtraceField]);}}
 this.storeSamples_(container.samples);this.storeStackFrames_(container.stackFrames);this.storeDisplayTimeUnit_(container.displayTimeUnit);this.storeTraceAnnotations_(container.traceAnnotations);this.storeMetadata_(container);}else if(this.events_ instanceof tr.b.TraceStream){const parser=oboe().node('{cat ph}',function(e){return oboe.drop;}).node('!.powerTraceAsString',this.storeSubtrace_.bind(this)).node('!.systemTraceEvents',this.storeSubtrace_.bind(this)).node('!.samples',this.storeSamples_.bind(this)).node('!.stackFrames',this.storeStackFrames_.bind(this)).node('!.displayTimeUnit',this.storeDisplayTimeUnit_.bind(this)).node('!.traceAnnotations',this.storeTraceAnnotations_.bind(this)).done(this.storeMetadata_.bind(this));this.events_.rewind();while(this.events_.hasData){parser.write(this.events_.readNumBytes());}
@@ -5917,10 +5690,10 @@
 const profileTree=new tr.model.ProfileTree();profileTreeMap.set(id,profileTree);const info=this.profileInfo_.get(id);if(info!==undefined){profileTree.startTime=info.startTime;profileTree.pid=info.pid;profileTree.tid=info.tid;}
 return profileTree;},processSample(event){if(event.args===undefined||event.args.data===undefined){return;}
 if(event.id===undefined){throw new Error('No event ID in sample');}
-const data=event.args.data;if(data.startTime!==undefined){this.profileInfo_.set(event.id,{startTime:data.startTime,pid:event.pid,tid:event.tid});}
+const data=event.args.data;if(data.startTime!==undefined){this.profileInfo_.set(`${event.pid} ${event.id}`,{startTime:data.startTime,pid:event.pid,tid:event.tid});}
 const timeDeltas=data.timeDeltas;for(const sampleType in data){if(sampleType==='timeDeltas'||sampleType==='startTime'){continue;}
 if(data[sampleType].samples&&timeDeltas&&data[sampleType].samples.length!==timeDeltas.length){throw new Error('samples and timeDeltas array should have same length');}
-const profileTree=this.getOrCreateProfileTree_(sampleType,event.id);const nodes=data[sampleType].nodes;const samples=data[sampleType].samples;if(nodes!==undefined){for(const node of nodes){const ProfileNodeType=tr.model.ProfileNode.subTypes.getConstructor(undefined,sampleType);const profileNode=ProfileNodeType.constructFromObject(profileTree,node);if(profileNode===undefined){continue;}
+const profileTree=this.getOrCreateProfileTree_(sampleType,`${event.pid} ${event.id}`);const nodes=data[sampleType].nodes;const samples=data[sampleType].samples;if(nodes!==undefined){for(const node of nodes){const ProfileNodeType=tr.model.ProfileNode.subTypes.getConstructor(undefined,sampleType);const profileNode=ProfileNodeType.constructFromObject(profileTree,node);if(profileNode===undefined){continue;}
 profileTree.add(profileNode);}}
 if(samples!==undefined){const thread=this.model_.getOrCreateProcess(profileTree.pid).getOrCreateThread(profileTree.tid);for(let i=0,len=samples.length;i<len;++i){const node=profileTree.getNode(samples[i]);profileTree.endTime+=timeDeltas[i];if(node===undefined)continue;const start=this.toModelTimeFromUs_(profileTree.endTime);this.model_.samples.push(new tr.model.Sample(start,node.sampleTitle,node,thread));}}}},processLegacyV8Sample(event){const data=event.args.data;const sampleType='legacySample';const ProfileNodeType=tr.model.ProfileNode.subTypes.getConstructor(undefined,sampleType);if(data.vm_state==='js'&&!data.stack.length)return;const profileTree=this.getOrCreateProfileTree_(sampleType,event.pid);if(profileTree.getNode(-1)===undefined){profileTree.add(new ProfileNodeType(-1,{url:'',scriptId:-1,functionName:'unknown'},undefined));}
 let node=undefined;if(data.stack.length>0&&this.v8ProcessCodeMaps_[event.pid]){const map=this.v8ProcessCodeMaps_[event.pid];data.stack.reverse();let parentNode=undefined;for(let i=0;i<data.stack.length;i++){const entry=map.lookupEntry(data.stack[i]);if(entry===undefined){node=profileTree.getNode(-1);}else{node=profileTree.getNode(entry.id);if(node===undefined){const sourceInfo=entry.sourceInfo;node=new ProfileNodeType(entry.id,{functionName:entry.name,url:entry.sourceInfo.file,lineNumber:sourceInfo.line!==-1?sourceInfo.line:undefined,columnNumber:sourceInfo.column!==-1?sourceInfo.column:undefined,scriptid:entry.sourceInfo.scriptId},parentNode);profileTree.add(node);}}
@@ -6298,9 +6071,12 @@
 this.importer.registerEventHandler(hwcEventName,handler.bind(this));},addL2Cycles(hwcEventName,hwcTitle){function handler(eventName,cpuNumber,pid,ts,eventBase){return this.l2Sample(hwcTitle,'cycles',ts,eventBase);}
 this.importer.registerEventHandler(hwcEventName,handler.bind(this));}};Parser.register(MaliParser);return{MaliParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const Parser=tr.e.importer.linux_perf.Parser;function MemReclaimParser(importer){Parser.call(this,importer);importer.registerEventHandler('mm_vmscan_kswapd_wake',MemReclaimParser.prototype.kswapdWake.bind(this));importer.registerEventHandler('mm_vmscan_kswapd_sleep',MemReclaimParser.prototype.kswapdSleep.bind(this));importer.registerEventHandler('mm_vmscan_direct_reclaim_begin',MemReclaimParser.prototype.reclaimBegin.bind(this));importer.registerEventHandler('mm_vmscan_direct_reclaim_end',MemReclaimParser.prototype.reclaimEnd.bind(this));importer.registerEventHandler('lowmemory_kill',MemReclaimParser.prototype.lowmemoryKill.bind(this));}
 const kswapdWakeRE=/nid=(\d+) order=(\d+)/;const kswapdSleepRE=/nid=(\d+)/;const reclaimBeginRE=/order=(\d+) may_writepage=\d+ gfp_flags=(.+)/;const reclaimEndRE=/nr_reclaimed=(\d+)/;const lowmemoryRE=/([^ ]+) \((\d+)\), page cache (\d+)kB \(limit (\d+)kB\), free (-?\d+)Kb/;MemReclaimParser.prototype={__proto__:Parser.prototype,kswapdWake(eventName,cpuNumber,pid,ts,eventBase){const event=kswapdWakeRE.exec(eventBase.details);if(!event)return false;const tgid=parseInt(eventBase.tgid);const nid=parseInt(event[1]);const order=parseInt(event[2]);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);if(kthread.openSliceTS){if(order>kthread.order){kthread.order=order;}}else{kthread.openSliceTS=ts;kthread.order=order;}
-return true;},kswapdSleep(eventName,cpuNumber,pid,ts,eventBase){const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);if(kthread.openSliceTS){kthread.thread.sliceGroup.pushCompleteSlice('memreclaim',eventBase.threadName,kthread.openSliceTS,ts-kthread.openSliceTS,0,0,{order:kthread.order});}
-kthread.openSliceTS=undefined;kthread.order=undefined;return true;},reclaimBegin(eventName,cpuNumber,pid,ts,eventBase){const event=reclaimBeginRE.exec(eventBase.details);if(!event)return false;const order=parseInt(event[1]);const gfp=event[2];const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);kthread.openSliceTS=ts;kthread.order=order;kthread.gfp=gfp;return true;},reclaimEnd(eventName,cpuNumber,pid,ts,eventBase){const event=reclaimEndRE.exec(eventBase.details);if(!event)return false;const nrReclaimed=parseInt(event[1]);const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);if(kthread.openSliceTS!==undefined){kthread.thread.sliceGroup.pushCompleteSlice('memreclaim','direct reclaim',kthread.openSliceTS,ts-kthread.openSliceTS,0,0,{order:kthread.order,gfp:kthread.gfp,nr_reclaimed:nrReclaimed});}
-kthread.openSliceTS=undefined;kthread.order=undefined;kthread.gfp=undefined;return true;},lowmemoryKill(eventName,cpuNumber,pid,ts,eventBase){const event=lowmemoryRE.exec(eventBase.details);if(!event)return false;const tgid=parseInt(eventBase.tgid);const killedName=event[1];const killedPid=parseInt(event[2]);const cache=parseInt(event[3]);const free=parseInt(event[5]);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);kthread.thread.sliceGroup.pushCompleteSlice('lowmemory','low memory kill',ts,0,0,0,{killed_name:killedName,killed_pid:killedPid,cache,free});return true;}};Parser.register(MemReclaimParser);return{MemReclaimParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function PowerParser(importer){Parser.call(this,importer);importer.registerEventHandler('power_start',PowerParser.prototype.powerStartEvent.bind(this));importer.registerEventHandler('power_frequency',PowerParser.prototype.powerFrequencyEvent.bind(this));importer.registerEventHandler('cpu_frequency',PowerParser.prototype.cpuFrequencyEvent.bind(this));importer.registerEventHandler('cpu_frequency_limits',PowerParser.prototype.cpuFrequencyLimitsEvent.bind(this));importer.registerEventHandler('cpu_idle',PowerParser.prototype.cpuIdleEvent.bind(this));}
+kthread.waitingFor='kswapSleep';return true;},kswapdSleep(eventName,cpuNumber,pid,ts,eventBase){const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);if(kthread.waitingFor!=='kswapSleep')return false;kthread.waitingFor=undefined;if(kthread.openSliceTS){kthread.thread.sliceGroup.pushCompleteSlice('memreclaim',eventBase.threadName,kthread.openSliceTS,ts-kthread.openSliceTS,0,0,{order:kthread.order});}
+kthread.openSliceTS=undefined;kthread.order=undefined;return true;},reclaimBegin(eventName,cpuNumber,pid,ts,eventBase){const event=reclaimBeginRE.exec(eventBase.details);if(!event)return false;const order=parseInt(event[1]);const gfp=event[2];const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);kthread.openMemReclaimSliceTS=ts;kthread.order=order;kthread.gfp=gfp;kthread.waitingFor='reclaimEnd';return true;},reclaimEnd(eventName,cpuNumber,pid,ts,eventBase){const event=reclaimEndRE.exec(eventBase.details);if(!event)return false;const nrReclaimed=parseInt(event[1]);const tgid=parseInt(eventBase.tgid);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);if(kthread.waitingFor!=='reclaimEnd')return false;kthread.waitingFor=undefined;if(kthread.openMemReclaimSliceTS!==undefined){kthread.thread.sliceGroup.pushCompleteSlice('memreclaim','direct reclaim',kthread.openMemReclaimSliceTS,ts-kthread.openMemReclaimSliceTS,0,0,{order:kthread.order,gfp:kthread.gfp,nr_reclaimed:nrReclaimed});kthread.openMemReclaimSliceTS=undefined;kthread.order=undefined;kthread.gfp=undefined;return true;}
+return false;},lowmemoryKill(eventName,cpuNumber,pid,ts,eventBase){const event=lowmemoryRE.exec(eventBase.details);if(!event)return false;const tgid=parseInt(eventBase.tgid);const killedName=event[1];const killedPid=parseInt(event[2]);const cache=parseInt(event[3]);const free=parseInt(event[5]);const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,tgid,pid);kthread.thread.sliceGroup.pushCompleteSlice('lowmemory','low memory kill',ts,0,0,0,{killed_name:killedName,killed_pid:killedPid,cache,free});return true;}};Parser.register(MemReclaimParser);return{MemReclaimParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function MSMParser(importer){Parser.call(this,importer);importer.registerEventHandler('msm_gpu_freq_change',MSMParser.prototype.gpuFrequency.bind(this));importer.registerEventHandler('msm_gpu_submit_flush',MSMParser.prototype.gpuSubmitFlush.bind(this));importer.registerEventHandler('msm_gpu_submit_retired',MSMParser.prototype.gpuSubmitRetired.bind(this));this.model_=importer.model_;this.submits={};this.num_submits=0;}
+MSMParser.prototype={__proto__:Parser.prototype,gpuFrequency(eventName,cpuNumber,pid,ts,eventBase){const event=/new_freq=(\d+)/.exec(eventBase.details);if(!event)return false;const freq=parseInt(event[1]);const counter=this.model_.kernel.getOrCreateCounter('GPU','GPU Frequency');if(counter.numSeries===0){counter.addSeries(new tr.model.CounterSeries('frequency',ColorScheme.getColorIdForGeneralPurposeString(counter.name)));}
+counter.series.forEach(function(series){series.addCounterSample(ts,freq);});return true;},gpuSubmitFlush(eventName,cpuNumber,pid,ts,eventBase){const event=/id=(\d+) pid=(\d+) ring=(\d+):(\d+) ticks=(\d+)/.exec(eventBase.details);if(!event)return false;const id=parseInt(event[1]);const submit={};submit.flushTS=ts;submit.flushTicks=parseInt(event[5]);submit.pid=parseInt(event[2]);this.submits[id]=submit;this.num_submits++;return true;},gpuSubmitRetired(eventName,cpuNumber,pid,ts,eventBase){const event=/id=(\d+) pid=(\d+) ring=(\d+):(\d+) elapsed=(\d+) ns mhz=(\d+) start=(\d+) end=(\d+)/.exec(eventBase.details);if(!event)return false;const id=parseInt(event[1]);if(!(id in this.submits))return true;const submit=this.submits[id];delete this.submits[id];this.num_submits--;const gpuThread=this.importer.getOrCreatePseudoThread('GPU');submit.elapsedNs=parseInt(event[5]);submit.mhz=parseInt(event[6]);submit.startTicks=parseInt(event[7]);submit.endTicks=parseInt(event[8]);function ticks2ms(ticks){return ticks/19200;}
+const queuedDuration=ticks2ms(submit.startTicks-submit.flushTicks);const runningDuration=ticks2ms(submit.endTicks-submit.startTicks);submit.queuedDuration=queuedDuration;submit.runningDuration=runningDuration;const queued=new tr.model.AsyncSlice('',event[1]+' queued',tr.b.ColorScheme.getColorIdForReservedName('thread_state_runnable'),submit.flushTS,submit,queuedDuration);const running=new tr.model.AsyncSlice('',event[1]+' running',tr.b.ColorScheme.getColorIdForReservedName('thread_state_running'),submit.flushTS+queuedDuration,submit,runningDuration);const async=new tr.model.AsyncSlice('','pipeline',ColorScheme.getColorIdForGeneralPurposeString('ongpu:'+submit.pid),submit.flushTS,submit,queuedDuration+runningDuration);async.hidden=true;async.subSlices.push(queued);async.subSlices.push(running);gpuThread.thread.asyncSliceGroup.push(async);const onGpu=new tr.model.ThreadSlice('',event[1],ColorScheme.getColorIdForGeneralPurposeString('ongpu:'+submit.pid),submit.flushTS+queuedDuration,submit,runningDuration);gpuThread.thread.sliceGroup.pushSlice(onGpu);return true;}};Parser.register(MSMParser);return{MSMParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function PowerParser(importer){Parser.call(this,importer);importer.registerEventHandler('power_start',PowerParser.prototype.powerStartEvent.bind(this));importer.registerEventHandler('power_frequency',PowerParser.prototype.powerFrequencyEvent.bind(this));importer.registerEventHandler('cpu_frequency',PowerParser.prototype.cpuFrequencyEvent.bind(this));importer.registerEventHandler('cpu_frequency_limits',PowerParser.prototype.cpuFrequencyLimitsEvent.bind(this));importer.registerEventHandler('cpu_idle',PowerParser.prototype.cpuIdleEvent.bind(this));}
 PowerParser.prototype={__proto__:Parser.prototype,cpuStateSlice(ts,targetCpuNumber,eventType,cpuState){const targetCpu=this.importer.getOrCreateCpu(targetCpuNumber);if(eventType!=='1'){this.importer.model.importWarning({type:'parse_error',message:'Don\'t understand power_start events of '+'type '+eventType});return;}
 const powerCounter=targetCpu.getOrCreateCounter('','C-State');if(powerCounter.numSeries===0){powerCounter.addSeries(new tr.model.CounterSeries('state',ColorScheme.getColorIdForGeneralPurposeString(powerCounter.name+'.'+'state')));}
 powerCounter.series.forEach(function(series){series.addCounterSample(ts,cpuState);});},cpuIdleSlice(ts,targetCpuNumber,cpuState){const targetCpu=this.importer.getOrCreateCpu(targetCpuNumber);const powerCounter=targetCpu.getOrCreateCounter('','C-State');if(powerCounter.numSeries===0){powerCounter.addSeries(new tr.model.CounterSeries('state',ColorScheme.getColorIdForGeneralPurposeString(powerCounter.name)));}
@@ -6322,7 +6098,9 @@
 thread.lastActiveTs=ts;thread.lastActiveValue=event[2];return true;},syncWaitEvent(eventName,cpuNumber,pid,ts,eventBase){const event=syncWaitRE.exec(eventBase.details);if(!event)return false;if(eventBase.tgid===undefined){return false;}
 const tgid=parseInt(eventBase.tgid);const thread=this.model_.getOrCreateProcess(tgid).getOrCreateThread(pid);thread.name=eventBase.threadName;const slices=thread.kernelSliceGroup;if(!slices.isTimestampValidForBeginOrEnd(ts)){this.model_.importWarning({type:'parse_error',message:'Timestamps are moving backward.'});return false;}
 const name='fence_wait("'+event[2]+'")';if(event[1]==='begin'){const slice=slices.beginSlice(null,name,ts,{'Start state':event[3]});}else if(event[1]==='end'){if(slices.openSliceCount>0){slices.endSlice(ts);}}else{return false;}
-return true;},syncPtEvent(eventName,cpuNumber,pid,ts,eventBase){return!!syncPtRE.exec(eventBase.details);}};Parser.register(SyncParser);return{SyncParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function WorkqueueParser(importer){Parser.call(this,importer);importer.registerEventHandler('workqueue_execute_start',WorkqueueParser.prototype.executeStartEvent.bind(this));importer.registerEventHandler('workqueue_execute_end',WorkqueueParser.prototype.executeEndEvent.bind(this));importer.registerEventHandler('workqueue_queue_work',WorkqueueParser.prototype.executeQueueWork.bind(this));importer.registerEventHandler('workqueue_activate_work',WorkqueueParser.prototype.executeActivateWork.bind(this));}
+return true;},syncPtEvent(eventName,cpuNumber,pid,ts,eventBase){return!!syncPtRE.exec(eventBase.details);}};Parser.register(SyncParser);return{SyncParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function ThermalParser(importer){Parser.call(this,importer);importer.registerEventHandler('thermal_temperature',ThermalParser.prototype.traceMarkWriteTemperatureEvent.bind(this));importer.registerEventHandler('cdev_update',ThermalParser.prototype.traceMarkWriteCdevEvent.bind(this));this.model_=importer.model_;this.ppids_={};}
+ThermalParser.prototype={__proto__:Parser.prototype,thermalMark(name,subName,value,ts){const ctr=this.model_.kernel.getOrCreateCounter(null,name+' '+subName);if(ctr.numSeries===0){ctr.addSeries(new tr.model.CounterSeries('value',ColorScheme.getColorIdForGeneralPurposeString(ctr.name+'.'+'value')));}
+ctr.series.forEach(function(series){series.addCounterSample(ts,value);});},traceMarkWriteTemperatureEvent(eventName,cpuNumber,pid,ts,eventBase,threadName){const event=/thermal_zone=(\S+) id=(\d+) temp_prev=(\d+) temp=(\d+)/.exec(eventBase.details);const name=event[1];const temp=parseInt(event[4]);this.thermalMark(name,'Temperature',temp,ts);return true;},traceMarkWriteCdevEvent(eventName,cpuNumber,pid,ts,eventBase,threadName){const event=/type=(\S+) target=(\d+)/.exec(eventBase.details);const name=event[1];const rate=parseInt(event[2]);this.thermalMark(name,'CoolingDevice',rate,ts);return true;}};Parser.register(ThermalParser);return{ThermalParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const ColorScheme=tr.b.ColorScheme;const Parser=tr.e.importer.linux_perf.Parser;function WorkqueueParser(importer){Parser.call(this,importer);importer.registerEventHandler('workqueue_execute_start',WorkqueueParser.prototype.executeStartEvent.bind(this));importer.registerEventHandler('workqueue_execute_end',WorkqueueParser.prototype.executeEndEvent.bind(this));importer.registerEventHandler('workqueue_queue_work',WorkqueueParser.prototype.executeQueueWork.bind(this));importer.registerEventHandler('workqueue_activate_work',WorkqueueParser.prototype.executeActivateWork.bind(this));}
 const workqueueExecuteStartRE=/work struct (.+): function (\S+)/;const workqueueExecuteEndRE=/work struct (.+)/;WorkqueueParser.prototype={__proto__:Parser.prototype,executeStartEvent(eventName,cpuNumber,pid,ts,eventBase){const event=workqueueExecuteStartRE.exec(eventBase.details);if(!event)return false;const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,pid,pid);kthread.openSliceTS=ts;kthread.openSlice=event[2];return true;},executeEndEvent(eventName,cpuNumber,pid,ts,eventBase){const event=workqueueExecuteEndRE.exec(eventBase.details);if(!event)return false;const kthread=this.importer.getOrCreateKernelThread(eventBase.threadName,pid,pid);if(kthread.openSlice){const slice=new tr.model.ThreadSlice('',kthread.openSlice,ColorScheme.getColorIdForGeneralPurposeString(kthread.openSlice),kthread.openSliceTS,{},ts-kthread.openSliceTS);kthread.thread.sliceGroup.pushSlice(slice);}
 kthread.openSlice=undefined;return true;},executeQueueWork(eventName,cpuNumber,pid,ts,eventBase){return true;},executeActivateWork(eventName,cpuNumber,pid,ts,eventBase){return true;}};Parser.register(WorkqueueParser);return{WorkqueueParser,};});'use strict';tr.exportTo('tr.e.importer.linux_perf',function(){const MONOTONIC_TO_FTRACE_GLOBAL_SYNC_ID='linux_clock_monotonic_to_ftrace_global';const IMPORT_PRIORITY=2;function FTraceImporter(model,events){this.importPriority=IMPORT_PRIORITY;this.model_=model;this.events_=events;this.wakeups_=[];this.blockedReasons_=[];this.kernelThreadStates_={};this.buildMapFromLinuxPidsToThreads_();this.lines_=[];this.pseudoThreadCounter=1;this.parsers_=[];this.eventHandlers_={};this.haveClockSyncedMonotonicToGlobal_=false;this.clockDomainId_=tr.model.ClockDomainId.LINUX_FTRACE_GLOBAL;}
 const TestExports={};const lineREWithTGID=new RegExp('^\\s*(.+)-(\\d+)\\s+\\(\\s*(\\d+|-+)\\)\\s\\[(\\d+)\\]'+'\\s+[dX.][Nnp.][Hhs.][0-9a-f.]'+'\\s+(\\d+\\.\\d+):\\s+(\\S+):\\s(.*)$');const lineParserWithTGID=function(line){const groups=lineREWithTGID.exec(line);if(!groups)return groups;let tgid=groups[3];if(tgid[0]==='-')tgid=undefined;return{threadName:groups[1],pid:groups[2],tgid,cpuNumber:groups[4],timestamp:groups[5],eventName:groups[6],details:groups[7]};};TestExports.lineParserWithTGID=lineParserWithTGID;const lineREWithIRQInfo=new RegExp('^\\s*(.+)-(\\d+)\\s+\\[(\\d+)\\]'+'\\s+[dX.][Nnp.][Hhs.][0-9a-f.]'+'\\s+(\\d+\\.\\d+):\\s+(\\S+):\\s(.*)$');const lineParserWithIRQInfo=function(line){const groups=lineREWithIRQInfo.exec(line);if(!groups)return groups;return{threadName:groups[1],pid:groups[2],cpuNumber:groups[3],timestamp:groups[4],eventName:groups[5],details:groups[6]};};TestExports.lineParserWithIRQInfo=lineParserWithIRQInfo;const lineREWithLegacyFmt=/^\s*(.+)-(\d+)\s+\[(\d+)\]\s*(\d+\.\d+):\s+(\S+):\s(.*)$/;const lineParserWithLegacyFmt=function(line){const groups=lineREWithLegacyFmt.exec(line);if(!groups){return groups;}
@@ -6623,20 +6401,22 @@
 if(fiCandidate===undefined){if(reachedFCIQuiescence_(searchEnd,quietWindowBegin,searchBegin)){fiCandidate=quietWindowBegin;}else{return undefined;}}
 return Math.max(fiCandidate,domContentLoadedEnd);}
 return{findInteractiveTime,findFirstCpuIdleTime,requiredFCIWindowSizeMs,findFCITaskClusters,};});'use strict';tr.exportTo('tr.model.um',function(){const LOAD_SUBTYPE_NAMES={SUCCESSFUL:'Successful',FAILED:'Failed',};const DOES_LOAD_SUBTYPE_NAME_EXIST={};for(const key in LOAD_SUBTYPE_NAMES){DOES_LOAD_SUBTYPE_NAME_EXIST[LOAD_SUBTYPE_NAMES[key]]=true;}
-function LoadExpectation(parentModel,initiatorTitle,start,duration,renderer,navigationStart,fmpEvent,dclEndEvent,cpuIdleTime,timeToInteractive,url,frameId){if(!DOES_LOAD_SUBTYPE_NAME_EXIST[initiatorTitle]){throw new Error(initiatorTitle+' is not in LOAD_SUBTYPE_NAMES');}
-tr.model.um.UserExpectation.call(this,parentModel,initiatorTitle,start,duration);this.renderProcess=renderer;this.renderMainThread=undefined;this.routingId=undefined;this.parentRoutingId=undefined;this.loadFinishedEvent=undefined;this.navigationStart=navigationStart;this.fmpEvent=fmpEvent;this.domContentLoadedEndEvent=dclEndEvent;this.firstCpuIdleTime=cpuIdleTime;this.timeToInteractive=timeToInteractive;this.url=url;this.frameId=frameId;}
+function LoadExpectation(parentModel,initiatorTitle,start,duration,renderer,navigationStart,fmpEvent,fcpEvent,dclEndEvent,cpuIdleTime,timeToInteractive,totalBlockingTime,url,frameId){if(!DOES_LOAD_SUBTYPE_NAME_EXIST[initiatorTitle]){throw new Error(initiatorTitle+' is not in LOAD_SUBTYPE_NAMES');}
+tr.model.um.UserExpectation.call(this,parentModel,initiatorTitle,start,duration);this.renderProcess=renderer;this.renderMainThread=undefined;this.routingId=undefined;this.parentRoutingId=undefined;this.loadFinishedEvent=undefined;this.navigationStart=navigationStart;this.fmpEvent=fmpEvent;this.fcpEvent=fcpEvent;this.domContentLoadedEndEvent=dclEndEvent;this.firstCpuIdleTime=cpuIdleTime;this.timeToInteractive=timeToInteractive;this.totalBlockingTime=totalBlockingTime;this.url=url;this.frameId=frameId;}
 LoadExpectation.prototype={__proto__:tr.model.um.UserExpectation.prototype,constructor:LoadExpectation};tr.model.um.UserExpectation.subTypes.register(LoadExpectation,{stageTitle:'Load',colorId:tr.b.ColorScheme.getColorIdForReservedName('rail_load')});return{LOAD_SUBTYPE_NAMES,LoadExpectation,};});'use strict';tr.exportTo('tr.importer',function(){const LONG_TASK_THRESHOLD_MS=50;const IGNORE_URLS=['','about:blank',];function findFrameLoaderSnapshotAt(rendererHelper,frameIdRef,ts){const objects=rendererHelper.process.objects;const frameLoaderInstances=objects.instancesByTypeName_.FrameLoader;if(frameLoaderInstances===undefined)return undefined;let snapshot;for(const instance of frameLoaderInstances){if(!instance.isAliveAt(ts))continue;const maybeSnapshot=instance.getSnapshotAt(ts);if(frameIdRef!==maybeSnapshot.args.frame.id_ref)continue;snapshot=maybeSnapshot;}
 return snapshot;}
 function findFirstMeaningfulPaintCandidates(rendererHelper){const candidatesForFrameId={};for(const ev of rendererHelper.process.getDescendantEvents()){if(!tr.e.chrome.EventFinderUtils.hasCategoryAndName(ev,'loading','firstMeaningfulPaintCandidate')){continue;}
 if(rendererHelper.isTelemetryInternalEvent(ev))continue;const frameIdRef=ev.args.frame;if(frameIdRef===undefined)continue;let list=candidatesForFrameId[frameIdRef];if(list===undefined){candidatesForFrameId[frameIdRef]=list=[];}
 list.push(ev);}
 return candidatesForFrameId;}
-function computeInteractivityMetricSample_(rendererHelper,navigationStart,fmpEvent,domContentLoadedEndEvent,searchWindowEnd){if(domContentLoadedEndEvent===undefined||fmpEvent===undefined){return{interactiveTime:undefined,firstCpuIdleTime:undefined};}
-const firstMeaningfulPaintTime=fmpEvent.start;const mainThreadTasks=tr.e.chrome.EventFinderUtils.findToplevelSchedulerTasks(rendererHelper.mainThread);const longTasks=mainThreadTasks.filter(task=>task.duration>=LONG_TASK_THRESHOLD_MS);const longTasksInWindow=longTasks.filter(task=>task.range.intersectsExplicitRangeInclusive(firstMeaningfulPaintTime,searchWindowEnd));const resourceLoadEvents=tr.e.chrome.EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,tr.b.math.Range.fromExplicitRange(navigationStart.start,searchWindowEnd));const firstCpuIdleTime=tr.e.chrome.findFirstCpuIdleTime(firstMeaningfulPaintTime,searchWindowEnd,domContentLoadedEndEvent.start,longTasksInWindow);const interactiveTime=resourceLoadEvents.length>0?tr.e.chrome.findInteractiveTime(firstMeaningfulPaintTime,searchWindowEnd,domContentLoadedEndEvent.start,longTasksInWindow,resourceLoadEvents):undefined;return{interactiveTime,firstCpuIdleTime};}
-function constructLoadingExpectation_(rendererHelper,frameToDomContentLoadedEndEvents,navigationStart,fmpEvent,searchWindowEnd,url,frameId){const dclTimesForFrame=frameToDomContentLoadedEndEvents.get(frameId)||[];const dclSearchRange=tr.b.math.Range.fromExplicitRange(navigationStart.start,searchWindowEnd);const dclTimesInWindow=dclSearchRange.filterArray(dclTimesForFrame,event=>event.start);let domContentLoadedEndEvent=undefined;if(dclTimesInWindow.length!==0){domContentLoadedEndEvent=dclTimesInWindow[dclTimesInWindow.length-1];}
-const{interactiveTime,firstCpuIdleTime}=computeInteractivityMetricSample_(rendererHelper,navigationStart,fmpEvent,domContentLoadedEndEvent,searchWindowEnd);const duration=(interactiveTime===undefined)?searchWindowEnd-navigationStart.start:interactiveTime-navigationStart.start;return new tr.model.um.LoadExpectation(rendererHelper.modelHelper.model,tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL,navigationStart.start,duration,rendererHelper.process,navigationStart,fmpEvent,domContentLoadedEndEvent,firstCpuIdleTime,interactiveTime,url,frameId);}
-function collectLoadExpectationsForRenderer(rendererHelper){const samples=[];const frameToNavStartEvents=tr.e.chrome.EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'navigationStart','blink.user_timing');const frameToDomContentLoadedEndEvents=tr.e.chrome.EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'domContentLoadedEventEnd','blink.user_timing');function addSamples(frameIdRef,navigationStart,fmpCandidateEvents,searchWindowEnd,url){let fmpMarkerEvent=tr.e.chrome.EventFinderUtils.findLastEventStartingOnOrBeforeTimestamp(fmpCandidateEvents,searchWindowEnd);if(fmpMarkerEvent!==undefined&&navigationStart.start>fmpMarkerEvent.start){fmpMarkerEvent=undefined;}
-samples.push(constructLoadingExpectation_(rendererHelper,frameToDomContentLoadedEndEvents,navigationStart,fmpMarkerEvent,searchWindowEnd,url,frameIdRef));}
+function computeTotalBlockingTime_(fcpTime,interactiveTime,topLevelTasks){let sumBlockingTime=0;for(const event of topLevelTasks){if(event.duration<LONG_TASK_THRESHOLD_MS)continue;if(event.end<fcpTime)continue;if(event.start>interactiveTime)continue;const clippedStart=Math.max(event.start,fcpTime);const clippedEnd=Math.min(event.end,interactiveTime);const clippedDuration=clippedEnd-clippedStart;if(clippedDuration<LONG_TASK_THRESHOLD_MS)continue;sumBlockingTime+=(clippedDuration-LONG_TASK_THRESHOLD_MS);}
+return sumBlockingTime;}
+function computeInteractivityMetricSample_(rendererHelper,navigationStart,fcpEvent,domContentLoadedEndEvent,searchWindowEnd){if(domContentLoadedEndEvent===undefined||fcpEvent===undefined){return{interactiveTime:undefined,firstCpuIdleTime:undefined,totalBlockingTime:undefined};}
+const firstContentfulPaintTime=fcpEvent.start;const mainThreadTasks=tr.e.chrome.EventFinderUtils.findToplevelSchedulerTasks(rendererHelper.mainThread);const longTasks=mainThreadTasks.filter(task=>task.duration>=LONG_TASK_THRESHOLD_MS);const longTasksInWindow=longTasks.filter(task=>task.range.intersectsExplicitRangeInclusive(firstContentfulPaintTime,searchWindowEnd));const resourceLoadEvents=tr.e.chrome.EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,tr.b.math.Range.fromExplicitRange(navigationStart.start,searchWindowEnd));const firstCpuIdleTime=tr.e.chrome.findFirstCpuIdleTime(firstContentfulPaintTime,searchWindowEnd,domContentLoadedEndEvent.start,longTasksInWindow);const interactiveTime=resourceLoadEvents.length>0?tr.e.chrome.findInteractiveTime(firstContentfulPaintTime,searchWindowEnd,domContentLoadedEndEvent.start,longTasksInWindow,resourceLoadEvents):undefined;const totalBlockingTime=interactiveTime?computeTotalBlockingTime_(fcpEvent.start,interactiveTime,longTasks):undefined;return{interactiveTime,firstCpuIdleTime,totalBlockingTime};}
+function constructLoadingExpectation_(rendererHelper,frameToDomContentLoadedEndEvents,frameToFcpEvents,navigationStart,fmpEvent,searchWindowEnd,url,frameId){const searchRange=tr.b.math.Range.fromExplicitRange(navigationStart.start,searchWindowEnd);const dclTimesForFrame=frameToDomContentLoadedEndEvents.get(frameId)||[];const dclTimesInWindow=searchRange.filterArray(dclTimesForFrame,event=>event.start);let domContentLoadedEndEvent=undefined;if(dclTimesInWindow.length!==0){domContentLoadedEndEvent=dclTimesInWindow[dclTimesInWindow.length-1];}
+const fcpForFrame=frameToFcpEvents.get(frameId)||[];const fcpInWindow=searchRange.filterArray(fcpForFrame,event=>event.start);const fcpEvent=fcpInWindow[0];const{interactiveTime,firstCpuIdleTime,totalBlockingTime}=computeInteractivityMetricSample_(rendererHelper,navigationStart,fcpEvent,domContentLoadedEndEvent,searchWindowEnd);const duration=(interactiveTime===undefined)?searchWindowEnd-navigationStart.start:interactiveTime-navigationStart.start;return new tr.model.um.LoadExpectation(rendererHelper.modelHelper.model,tr.model.um.LOAD_SUBTYPE_NAMES.SUCCESSFUL,navigationStart.start,duration,rendererHelper.process,navigationStart,fmpEvent,fcpEvent,domContentLoadedEndEvent,firstCpuIdleTime,interactiveTime,totalBlockingTime,url,frameId);}
+function collectLoadExpectationsForRenderer(rendererHelper){const samples=[];const frameToNavStartEvents=tr.e.chrome.EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'navigationStart','blink.user_timing');const frameToDomContentLoadedEndEvents=tr.e.chrome.EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'domContentLoadedEventEnd','blink.user_timing');const frameToFcpEvents=tr.e.chrome.EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'firstContentfulPaint','loading');function addSamples(frameIdRef,navigationStart,fmpCandidateEvents,searchWindowEnd,url){let fmpMarkerEvent=tr.e.chrome.EventFinderUtils.findLastEventStartingOnOrBeforeTimestamp(fmpCandidateEvents,searchWindowEnd);if(fmpMarkerEvent!==undefined&&navigationStart.start>fmpMarkerEvent.start){fmpMarkerEvent=undefined;}
+samples.push(constructLoadingExpectation_(rendererHelper,frameToDomContentLoadedEndEvents,frameToFcpEvents,navigationStart,fmpMarkerEvent,searchWindowEnd,url,frameIdRef));}
 const candidatesForFrameId=findFirstMeaningfulPaintCandidates(rendererHelper);for(const[frameIdRef,navStartEvents]of frameToNavStartEvents){const fmpCandidateEvents=candidatesForFrameId[frameIdRef]||[];let prevNavigation={navigationEvent:undefined,url:undefined};for(let index=0;index<navStartEvents.length;index++){const currNavigation=navStartEvents[index];let url;let isLoadingMainFrame=false;if(currNavigation.args.data){url=currNavigation.args.data.documentLoaderURL;isLoadingMainFrame=currNavigation.args.data.isLoadingMainFrame;}else{const snapshot=findFrameLoaderSnapshotAt(rendererHelper,frameIdRef,currNavigation.start);if(snapshot){url=snapshot.args.documentLoaderURL;isLoadingMainFrame=snapshot.args.isLoadingMainFrame;}}
 if(!isLoadingMainFrame)continue;if(url===undefined||IGNORE_URLS.includes(url))continue;if(prevNavigation.navigationEvent!==undefined){addSamples(frameIdRef,prevNavigation.navigationEvent,fmpCandidateEvents,currNavigation.start,prevNavigation.url);}
 prevNavigation={navigationEvent:currNavigation,url};}
@@ -6918,7 +6698,8 @@
 if(opt_dictionary.color){spanEl.style.color=opt_dictionary.color;}}
 return spanEl;}
 function createLink(opt_args){let ownerDocument=document;if(opt_args&&opt_args.ownerDocument){ownerDocument=opt_args.ownerDocument;}
-const linkEl=ownerDocument.createElement('a');if(opt_args){if(opt_args.href)linkEl.href=opt_args.href;if(opt_args.tooltip)linkEl.title=opt_args.tooltip;if(opt_args.color)linkEl.style.color=opt_args.color;if(opt_args.bold)linkEl.style.fontWeight='bold';if(opt_args.italic)linkEl.style.fontStyle='italic';if(opt_args.className)linkEl.className=opt_args.className;if(opt_args.parent)Polymer.dom(opt_args.parent).appendChild(linkEl);if(opt_args.marginLeft)linkEl.style.marginLeft=opt_args.marginLeft;if(opt_args.marginRight)linkEl.style.marginRight=opt_args.marginRight;if(opt_args.backgroundColor){linkEl.style.backgroundColor=opt_args.backgroundColor;}
+const linkEl=ownerDocument.createElement('a');if(opt_args){if(opt_args.href){linkEl.href=opt_args.href;linkEl.target='_blank';}
+if(opt_args.tooltip)linkEl.title=opt_args.tooltip;if(opt_args.color)linkEl.style.color=opt_args.color;if(opt_args.bold)linkEl.style.fontWeight='bold';if(opt_args.italic)linkEl.style.fontStyle='italic';if(opt_args.className)linkEl.className=opt_args.className;if(opt_args.parent)Polymer.dom(opt_args.parent).appendChild(linkEl);if(opt_args.marginLeft)linkEl.style.marginLeft=opt_args.marginLeft;if(opt_args.marginRight)linkEl.style.marginRight=opt_args.marginRight;if(opt_args.backgroundColor){linkEl.style.backgroundColor=opt_args.backgroundColor;}
 if(opt_args.textContent){Polymer.dom(linkEl).textContent=opt_args.textContent;}}
 return linkEl;}
 function createDiv(opt_dictionary){const divEl=document.createElement('div');if(opt_dictionary){if(opt_dictionary.className){divEl.className=opt_dictionary.className;}
@@ -7319,7 +7100,7 @@
 static deserialize(data,deserializer){return new UnmergeableDiagnosticSet(d.map(i=>deserializer.getDiagnostic(i).diagnostic));}
 serialize(serializer){return this._diagnostics.map(d=>serializer.getOrAllocateDiagnosticId('',d));}
 static fromDict(d){return new UnmergeableDiagnosticSet(d.diagnostics.map(d=>((typeof d==='string')?new tr.v.d.DiagnosticRef(d):tr.v.d.Diagnostic.fromDict(d))));}}
-tr.v.d.Diagnostic.register(UnmergeableDiagnosticSet,{elementName:'tr-v-ui-unmergeable-diagnostic-set-span'});return{UnmergeableDiagnosticSet,};});'use strict';tr.exportTo('tr.v.d',function(){const RESERVED_INFOS={ANGLE_REVISIONS:{name:'angleRevisions',type:tr.v.d.GenericSet},ARCHITECTURES:{name:'architectures',type:tr.v.d.GenericSet},BENCHMARKS:{name:'benchmarks',type:tr.v.d.GenericSet},BENCHMARK_START:{name:'benchmarkStart',type:tr.v.d.DateRange},BENCHMARK_DESCRIPTIONS:{name:'benchmarkDescriptions',type:tr.v.d.GenericSet},BOTS:{name:'bots',type:tr.v.d.GenericSet},BUG_COMPONENTS:{name:'bugComponents',type:tr.v.d.GenericSet},BUILDS:{name:'builds',type:tr.v.d.GenericSet},CATAPULT_REVISIONS:{name:'catapultRevisions',type:tr.v.d.GenericSet},CHROMIUM_COMMIT_POSITIONS:{name:'chromiumCommitPositions',type:tr.v.d.GenericSet},CHROMIUM_REVISIONS:{name:'chromiumRevisions',type:tr.v.d.GenericSet},DESCRIPTION:{name:'description',type:tr.v.d.GenericSet},DEVICE_IDS:{name:'deviceIds',type:tr.v.d.GenericSet},DOCUMENTATION_URLS:{name:'documentationUrls',type:tr.v.d.GenericSet},FUCHSIA_GARNET_REVISIONS:{name:'fuchsiaGarnetRevisions',type:tr.v.d.GenericSet},FUCHSIA_PERIDOT_REVISIONS:{name:'fuchsiaPeridotRevisions',type:tr.v.d.GenericSet},FUCHSIA_TOPAZ_REVISIONS:{name:'fuchsiaTopazRevisions',type:tr.v.d.GenericSet},FUCHSIA_ZIRCON_REVISIONS:{name:'fuchsiaZirconRevisions',type:tr.v.d.GenericSet},GPUS:{name:'gpus',type:tr.v.d.GenericSet},IS_REFERENCE_BUILD:{name:'isReferenceBuild',type:tr.v.d.GenericSet},LABELS:{name:'labels',type:tr.v.d.GenericSet},LOG_URLS:{name:'logUrls',type:tr.v.d.GenericSet},MASTERS:{name:'masters',type:tr.v.d.GenericSet},MEMORY_AMOUNTS:{name:'memoryAmounts',type:tr.v.d.GenericSet},OS_NAMES:{name:'osNames',type:tr.v.d.GenericSet},OS_VERSIONS:{name:'osVersions',type:tr.v.d.GenericSet},OWNERS:{name:'owners',type:tr.v.d.GenericSet},POINT_ID:{name:'pointId',type:tr.v.d.GenericSet},PRODUCT_VERSIONS:{name:'productVersions',type:tr.v.d.GenericSet},REVISION_TIMESTAMPS:{name:'revisionTimestamps',type:tr.v.d.DateRange},SKIA_REVISIONS:{name:'skiaRevisions',type:tr.v.d.GenericSet},STATISTICS_NAMES:{name:'statisticsNames',type:tr.v.d.GenericSet},STORIES:{name:'stories',type:tr.v.d.GenericSet},STORYSET_REPEATS:{name:'storysetRepeats',type:tr.v.d.GenericSet},STORY_TAGS:{name:'storyTags',type:tr.v.d.GenericSet},SUMMARY_KEYS:{name:'summaryKeys',type:tr.v.d.GenericSet},TEST_PATH:{name:'testPath',type:tr.v.d.GenericSet},TRACE_START:{name:'traceStart',type:tr.v.d.DateRange},TRACE_URLS:{name:'traceUrls',type:tr.v.d.GenericSet},V8_COMMIT_POSITIONS:{name:'v8CommitPositions',type:tr.v.d.DateRange},V8_REVISIONS:{name:'v8Revisions',type:tr.v.d.GenericSet},WEBRTC_REVISIONS:{name:'webrtcRevisions',type:tr.v.d.GenericSet},WEBRTC_INTERNAL_REVISIONS:{name:'webrtcInternalRevisions',type:tr.v.d.GenericSet},};const RESERVED_NAMES={};const RESERVED_NAMES_TO_TYPES=new Map();for(const[codename,info]of Object.entries(RESERVED_INFOS)){RESERVED_NAMES[codename]=info.name;if(RESERVED_NAMES_TO_TYPES.has(info.name)){throw new Error(`Duplicate reserved name "${info.name}"`);}
+tr.v.d.Diagnostic.register(UnmergeableDiagnosticSet,{elementName:'tr-v-ui-unmergeable-diagnostic-set-span'});return{UnmergeableDiagnosticSet,};});'use strict';tr.exportTo('tr.v.d',function(){const RESERVED_INFOS={ALERT_GROUPING:{name:'alertGrouping',type:tr.v.d.GenericSet},ANGLE_REVISIONS:{name:'angleRevisions',type:tr.v.d.GenericSet},ARCHITECTURES:{name:'architectures',type:tr.v.d.GenericSet},BENCHMARKS:{name:'benchmarks',type:tr.v.d.GenericSet},BENCHMARK_START:{name:'benchmarkStart',type:tr.v.d.DateRange},BENCHMARK_DESCRIPTIONS:{name:'benchmarkDescriptions',type:tr.v.d.GenericSet},BOTS:{name:'bots',type:tr.v.d.GenericSet},BUG_COMPONENTS:{name:'bugComponents',type:tr.v.d.GenericSet},BUILDS:{name:'builds',type:tr.v.d.GenericSet},CATAPULT_REVISIONS:{name:'catapultRevisions',type:tr.v.d.GenericSet},CHROMIUM_COMMIT_POSITIONS:{name:'chromiumCommitPositions',type:tr.v.d.GenericSet},CHROMIUM_REVISIONS:{name:'chromiumRevisions',type:tr.v.d.GenericSet},DESCRIPTION:{name:'description',type:tr.v.d.GenericSet},DEVICE_IDS:{name:'deviceIds',type:tr.v.d.GenericSet},DOCUMENTATION_URLS:{name:'documentationUrls',type:tr.v.d.GenericSet},INFO_BLURB:{name:'infoBlurb',type:tr.v.d.GenericSet},FUCHSIA_GARNET_REVISIONS:{name:'fuchsiaGarnetRevisions',type:tr.v.d.GenericSet},FUCHSIA_PERIDOT_REVISIONS:{name:'fuchsiaPeridotRevisions',type:tr.v.d.GenericSet},FUCHSIA_TOPAZ_REVISIONS:{name:'fuchsiaTopazRevisions',type:tr.v.d.GenericSet},FUCHSIA_ZIRCON_REVISIONS:{name:'fuchsiaZirconRevisions',type:tr.v.d.GenericSet},GPUS:{name:'gpus',type:tr.v.d.GenericSet},IS_REFERENCE_BUILD:{name:'isReferenceBuild',type:tr.v.d.GenericSet},LABELS:{name:'labels',type:tr.v.d.GenericSet},LOG_URLS:{name:'logUrls',type:tr.v.d.GenericSet},MASTERS:{name:'masters',type:tr.v.d.GenericSet},MEMORY_AMOUNTS:{name:'memoryAmounts',type:tr.v.d.GenericSet},OS_NAMES:{name:'osNames',type:tr.v.d.GenericSet},OS_VERSIONS:{name:'osVersions',type:tr.v.d.GenericSet},OWNERS:{name:'owners',type:tr.v.d.GenericSet},POINT_ID:{name:'pointId',type:tr.v.d.GenericSet},PRODUCT_VERSIONS:{name:'productVersions',type:tr.v.d.GenericSet},REVISION_TIMESTAMPS:{name:'revisionTimestamps',type:tr.v.d.DateRange},SKIA_REVISIONS:{name:'skiaRevisions',type:tr.v.d.GenericSet},STATISTICS_NAMES:{name:'statisticsNames',type:tr.v.d.GenericSet},STORIES:{name:'stories',type:tr.v.d.GenericSet},STORYSET_REPEATS:{name:'storysetRepeats',type:tr.v.d.GenericSet},STORY_TAGS:{name:'storyTags',type:tr.v.d.GenericSet},SUMMARY_KEYS:{name:'summaryKeys',type:tr.v.d.GenericSet},TEST_PATH:{name:'testPath',type:tr.v.d.GenericSet},TRACE_START:{name:'traceStart',type:tr.v.d.DateRange},TRACE_URLS:{name:'traceUrls',type:tr.v.d.GenericSet},V8_COMMIT_POSITIONS:{name:'v8CommitPositions',type:tr.v.d.DateRange},V8_REVISIONS:{name:'v8Revisions',type:tr.v.d.GenericSet},WEBRTC_REVISIONS:{name:'webrtcRevisions',type:tr.v.d.GenericSet},WEBRTC_INTERNAL_REVISIONS:{name:'webrtcInternalRevisions',type:tr.v.d.GenericSet},};const RESERVED_NAMES={};const RESERVED_NAMES_TO_TYPES=new Map();for(const[codename,info]of Object.entries(RESERVED_INFOS)){RESERVED_NAMES[codename]=info.name;if(RESERVED_NAMES_TO_TYPES.has(info.name)){throw new Error(`Duplicate reserved name "${info.name}"`);}
 RESERVED_NAMES_TO_TYPES.set(info.name,info.type);}
 const RESERVED_NAMES_SET=new Set(Object.values(RESERVED_NAMES));return{RESERVED_INFOS,RESERVED_NAMES,RESERVED_NAMES_SET,RESERVED_NAMES_TO_TYPES,};});'use strict';tr.exportTo('tr.v.d',function(){class DiagnosticMap extends Map{constructor(opt_allowReservedNames){super();if(opt_allowReservedNames===undefined){opt_allowReservedNames=true;}
 this.allowReservedNames_=opt_allowReservedNames;}
@@ -7363,13 +7144,17 @@
 const DEFAULT_SUMMARY_OPTIONS=new Map([['avg',true],['count',true],['geometricMean',false],['max',true],['min',true],['nans',false],['std',true],['sum',true],]);class Histogram{constructor(name,unit,opt_binBoundaries){if(!(unit instanceof tr.b.Unit)){throw new Error('unit must be a Unit: '+unit);}
 let binBoundaries=opt_binBoundaries;if(!binBoundaries){const baseUnit=unit.baseUnit?unit.baseUnit:unit;binBoundaries=DEFAULT_BOUNDARIES_FOR_UNIT.get(baseUnit.unitName);}
 this.binBoundariesDict_=binBoundaries.asDict();this.allBins=binBoundaries.bins.slice();this.description='';const allowReservedNames=false;this.diagnostics_=new tr.v.d.DiagnosticMap(allowReservedNames);this.maxNumSampleValues_=this.defaultMaxNumSampleValues_;this.name_=name;this.nanDiagnosticMaps=[];this.numNans=0;this.running_=undefined;this.sampleValues_=[];this.sampleMeans_=[];this.summaryOptions=new Map(DEFAULT_SUMMARY_OPTIONS);this.summaryOptions.set('percentile',[]);this.summaryOptions.set('iprs',[]);this.summaryOptions.set('ci',[]);this.unit=unit;}
-static create(name,unit,samples,opt_options){const options=opt_options||{};const hist=new Histogram(name,unit,options.binBoundaries);if(options.description)hist.description=options.description;if(options.summaryOptions){let summaryOptions=options.summaryOptions;if(!(summaryOptions instanceof Map)){summaryOptions=Object.entries(summaryOptions);}
+static create(name,unit,samples,opt_options){const options=opt_options||{};const hist=new Histogram(name,unit,options.binBoundaries);if(options.alertGrouping!==undefined){hist.setAlertGrouping(options.alertGrouping);}
+if(options.description)hist.description=options.description;if(options.summaryOptions){let summaryOptions=options.summaryOptions;if(!(summaryOptions instanceof Map)){summaryOptions=Object.entries(summaryOptions);}
 for(const[name,value]of summaryOptions){hist.summaryOptions.set(name,value);}}
 if(options.diagnostics!==undefined){let diagnostics=options.diagnostics;if(!(diagnostics instanceof Map)){diagnostics=Object.entries(diagnostics);}
 for(const[name,diagnostic]of diagnostics){if(!diagnostic)continue;hist.diagnostics.set(name,diagnostic);}}
 if(!(samples instanceof Array))samples=[samples];for(const sample of samples){if(typeof sample==='object'){hist.addSample(sample.value,sample.diagnostics);}else{hist.addSample(sample);}}
 return hist;}
 get diagnostics(){return this.diagnostics_;}
+setAlertGrouping(alertGrouping){if(alertGrouping===undefined||alertGrouping===null||alertGrouping.length===undefined){throw Error('alertGrouping must be an array');}
+for(const alertGroup of alertGrouping){if(!Object.values(tr.v.d.ALERT_GROUPS).includes(alertGroup)){throw Error(`Alert group ${alertGroup} must be added to `+'/tracing/value/diagnostics/alert_groups.html');}}
+this.diagnostics.set(tr.v.d.RESERVED_NAMES.ALERT_GROUPING,new tr.v.d.GenericSet(alertGrouping));}
 get running(){return this.running_;}
 get maxNumSampleValues(){return this.maxNumSampleValues_;}
 set maxNumSampleValues(n){this.maxNumSampleValues_=n;tr.b.math.Statistics.uniformlySampleArray(this.sampleValues_,this.maxNumSampleValues_);}
@@ -7591,7 +7376,7 @@
 Polymer({is:'tr-ui-a-generic-object-view',ready(){this.object_=undefined;},get object(){return this.object_;},set object(object){this.object_=object;this.updateContents_();},updateContents_(){Polymer.dom(this.$.content).textContent='';this.appendElementsForType_('',this.object_,0,0,5,'');},appendElementsForType_(label,object,indent,depth,maxDepth,suffix){if(depth>maxDepth){this.appendSimpleText_(label,indent,'<recursion limit reached>',suffix);return;}
 if(object===undefined){this.appendSimpleText_(label,indent,'undefined',suffix);return;}
 if(object===null){this.appendSimpleText_(label,indent,'null',suffix);return;}
-if(!(object instanceof Object)){const type=typeof object;if(type!=='string'){return this.appendSimpleText_(label,indent,object,suffix);}
+if(!(object instanceof Object)){const type=typeof object;if(type!=='string'){return this.appendSimpleText_(label,indent,String(object),suffix);}
 let objectReplaced=false;if((object[0]==='{'&&object[object.length-1]==='}')||(object[0]==='['&&object[object.length-1]===']')){try{object=JSON.parse(object);objectReplaced=true;}catch(e){}}
 if(!objectReplaced){if(object.includes('\n')){const lines=object.split('\n');lines.forEach(function(line,i){let text;let ioff;let ll;let ss;if(i===0){text='"'+line;ioff=0;ll=label;ss='';}else if(i<lines.length-1){text=line;ioff=1;ll='';ss='';}else{text=line+'"';ioff=1;ll='';ss=suffix;}
 const el=this.appendSimpleText_(ll,indent+ioff*label.length+ioff,text,ss);el.style.whiteSpace='pre';return el;},this);return;}
@@ -7929,7 +7714,8 @@
 if(event.category){rows.push({name:'Category',value:event.category});}
 if(event.model!==undefined){const ufc=event.model.getUserFriendlyCategoryFromEvent(event);if(ufc!==undefined){rows.push({name:'User Friendly Category',value:ufc});}}
 if(event.name){rows.push({name:'Name',value:event.name});}
-rows.push({name:'Start',value:tr.v.ui.createScalarSpan(event.start,{unit:tr.b.Unit.byName.timeStampInMs})});if(event.duration){rows.push({name:'Wall Duration',value:tr.v.ui.createScalarSpan(event.duration,{unit:tr.b.Unit.byName.timeDurationInMs})});}
+rows.push({name:'Start',value:tr.v.ui.createScalarSpan(event.start,{unit:tr.b.Unit.byName.timeStampInMs})});if(event.category==='android'&&event.model!==undefined){rows.push({name:'Start (Absolute time)',value:tr.v.ui.createScalarSpan(event.model.convertTimestampFromModelTime('traceEventClock',event.start),{unit:tr.b.Unit.byName.timeStampInMs})});}
+if(event.duration){rows.push({name:'Wall Duration',value:tr.v.ui.createScalarSpan(event.duration,{unit:tr.b.Unit.byName.timeDurationInMs})});}
 if(event.cpuDuration){rows.push({name:'CPU Duration',value:tr.v.ui.createScalarSpan(event.cpuDuration,{unit:tr.b.Unit.byName.timeDurationInMs})});}
 if(event.subSlices!==undefined&&event.subSlices.length!==0){if(event.selfTime){rows.push({name:'Self Time',value:tr.v.ui.createScalarSpan(event.selfTime,{unit:tr.b.Unit.byName.timeDurationInMs})});}
 if(event.cpuSelfTime){const cpuSelfTimeEl=tr.v.ui.createScalarSpan(event.cpuSelfTime,{unit:tr.b.Unit.byName.timeDurationInMs});if(event.cpuSelfTime>event.selfTime){cpuSelfTimeEl.warning=' Note that CPU Self Time is larger than Self Time. '+'This is a known limitation of this system, which occurs '+'due to several subslices, rounding issues, and imprecise '+'time at which we get cpu- and real-time.';}
@@ -8293,21 +8079,21 @@
 if(slice.title==='RenderAccessibilityImpl::SendLocationChanges'){renderAccessibilityLocationsHist.addSample(slice.duration,{event:new tr.v.d.RelatedEventSet(slice)});}}}
 for(const browserHelper of Object.values(chromeHelper.browserHelpers)){const mainThread=browserHelper.mainThread;if(mainThread===undefined)continue;for(const slice of mainThread.getDescendantEvents()){if(slice.title==='BrowserAccessibilityManager::OnAccessibilityEvents'){browserAccessibilityEventsHist.addSample(slice.duration,{event:new tr.v.d.RelatedEventSet(slice)});}}}
 histograms.addHistogram(browserAccessibilityEventsHist);histograms.addHistogram(renderAccessibilityEventsHist);histograms.addHistogram(renderAccessibilityLocationsHist);}
-tr.metrics.MetricRegistry.register(accessibilityMetric);return{accessibilityMetric,};});'use strict';tr.exportTo('tr.metrics.sh',function(){const MESSAGE_LOOP_EVENT_NAME='Startup.BrowserMessageLoopStartTime';const CONTENT_START_EVENT_NAME='content::Start';const NAVIGATION_EVENT_NAME='Navigation StartToCommit';const FIRST_CONTENTFUL_PAINT_EVENT_NAME='firstContentfulPaint';function androidStartupMetric(histograms,model){let messageLoopStartEvents=[];let navigationEvents=[];const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper)return;for(const helper of chromeHelper.browserHelpers){for(const ev of helper.mainThread.asyncSliceGroup.childEvents()){if(ev.title===MESSAGE_LOOP_EVENT_NAME){messageLoopStartEvents.push(ev);}else if(ev.title===NAVIGATION_EVENT_NAME){navigationEvents.push(ev);}}}
+tr.metrics.MetricRegistry.register(accessibilityMetric);return{accessibilityMetric,};});'use strict';tr.exportTo('tr.metrics.sh',function(){const MESSAGE_LOOP_EVENT_NAME='Startup.BrowserMessageLoopStartTime';const CONTENT_START_EVENT_NAME='content::Start';const NAVIGATION_EVENT_NAME='Navigation StartToCommit';const FIRST_CONTENTFUL_PAINT_EVENT_NAME='firstContentfulPaint';const APPLICATION_START_EVENT_NAME='Startup.LoadTime.ProcessCreateToApplicationStart';function androidStartupMetric(histograms,model){let messageLoopStartEvents=[];let applicationStartEvents=[];let navigationEvents=[];const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper)return;for(const helper of chromeHelper.browserHelpers){for(const ev of helper.mainThread.asyncSliceGroup.childEvents()){if(ev.title===MESSAGE_LOOP_EVENT_NAME){messageLoopStartEvents.push(ev);}else if(ev.title===APPLICATION_START_EVENT_NAME){applicationStartEvents.push(ev);}else if(ev.title===NAVIGATION_EVENT_NAME){navigationEvents.push(ev);}}}
 let contentStartEvents=[];let firstContentfulPaintEvents=[];const rendererHelpers=chromeHelper.rendererHelpers;const pids=Object.keys(rendererHelpers);for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(!rendererHelper.mainThread)continue;for(const ev of rendererHelper.mainThread.sliceGroup.childEvents()){if(ev.title===FIRST_CONTENTFUL_PAINT_EVENT_NAME){firstContentfulPaintEvents.push(ev);break;}else if(ev.title===CONTENT_START_EVENT_NAME){contentStartEvents.push(ev);}}}
-let totalBrowserStarts=messageLoopStartEvents.length;let totalContentStartEvents=contentStartEvents.length;let totalFcpEvents=firstContentfulPaintEvents.length;let totalNavigations=navigationEvents.length;if(totalFcpEvents!==totalBrowserStarts||totalNavigations!==totalBrowserStarts||totalContentStartEvents!==totalBrowserStarts||totalBrowserStarts===0){messageLoopStartEvents=[];contentStartEvents=[];navigationEvents=[];firstContentfulPaintEvents=[];for(const proc of Object.values(model.processes)){for(const ev of proc.getDescendantEvents()){if(ev.title===MESSAGE_LOOP_EVENT_NAME){messageLoopStartEvents.push(ev);}else if(ev.title===NAVIGATION_EVENT_NAME){navigationEvents.push(ev);}else if(ev.title===CONTENT_START_EVENT_NAME){contentStartEvents.push(ev);}}
+let totalBrowserStarts=messageLoopStartEvents.length;let totalContentStartEvents=contentStartEvents.length;let totalFcpEvents=firstContentfulPaintEvents.length;let totalNavigations=navigationEvents.length;let totalApplicationStartEvents=applicationStartEvents.length;if(totalFcpEvents!==totalBrowserStarts||totalNavigations!==totalBrowserStarts||totalContentStartEvents!==totalBrowserStarts||totalApplicationStartEvents!==totalBrowserStarts||totalBrowserStarts===0){messageLoopStartEvents=[];contentStartEvents=[];navigationEvents=[];firstContentfulPaintEvents=[];applicationStartEvents=[];for(const proc of Object.values(model.processes)){for(const ev of proc.getDescendantEvents()){if(ev.title===MESSAGE_LOOP_EVENT_NAME){messageLoopStartEvents.push(ev);}else if(ev.title===APPLICATION_START_EVENT_NAME){applicationStartEvents.push(ev);}else if(ev.title===NAVIGATION_EVENT_NAME){navigationEvents.push(ev);}else if(ev.title===CONTENT_START_EVENT_NAME){contentStartEvents.push(ev);}}
 for(const ev of proc.getDescendantEvents()){if(ev.title===FIRST_CONTENTFUL_PAINT_EVENT_NAME){firstContentfulPaintEvents.push(ev);break;}}}
-totalBrowserStarts=messageLoopStartEvents.length;totalContentStartEvents=contentStartEvents.length;totalNavigations=navigationEvents.length;totalFcpEvents=firstContentfulPaintEvents.length;}
+totalBrowserStarts=messageLoopStartEvents.length;totalContentStartEvents=contentStartEvents.length;totalNavigations=navigationEvents.length;totalFcpEvents=firstContentfulPaintEvents.length;totalApplicationStartEvents=applicationStartEvents.length;}
 function orderEvents(event1,event2){return event1.start-event2.start;}
-messageLoopStartEvents.sort(orderEvents);contentStartEvents.sort(orderEvents);navigationEvents.sort(orderEvents);firstContentfulPaintEvents.sort(orderEvents);if(totalFcpEvents<totalBrowserStarts){throw new Error('Found fewer FCP events ('+totalFcpEvents+') than browser starts ('+totalBrowserStarts+')');}
-const messageLoopStartHistogram=histograms.createHistogram('messageloop_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const contentStartHistogram=histograms.createHistogram('experimental_content_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const navigationStartHistogram=histograms.createHistogram('experimental_navigation_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const navigationCommitHistogram=histograms.createHistogram('navigation_commit_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const firstContentfulPaintHistogram=histograms.createHistogram('first_contentful_paint_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);let contentIndex=0;let navIndex=0;let fcpIndex=0;for(let loopStartIndex=0;loopStartIndex<totalBrowserStarts;){const startEvent=messageLoopStartEvents[loopStartIndex];if(fcpIndex===totalFcpEvents){break;}
-const contentStartEvent=contentIndex<contentStartEvents.length?contentStartEvents[contentIndex]:null;if(contentStartEvent&&contentStartEvent.start<startEvent.start){contentIndex++;continue;}
-const navEvent=navIndex<navigationEvents.length?navigationEvents[navIndex]:null;if(navEvent&&navEvent.start<startEvent.start){navIndex++;continue;}
-const fcpEvent=firstContentfulPaintEvents[fcpIndex];if(fcpEvent.start<startEvent.start){fcpIndex++;continue;}
+messageLoopStartEvents.sort(orderEvents);applicationStartEvents.sort(orderEvents);contentStartEvents.sort(orderEvents);navigationEvents.sort(orderEvents);firstContentfulPaintEvents.sort(orderEvents);if(totalFcpEvents<totalBrowserStarts){throw new Error('Found fewer FCP events ('+totalFcpEvents+') than browser starts ('+totalBrowserStarts+')');}
+const messageLoopStartHistogram=histograms.createHistogram('messageloop_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const contentStartHistogram=histograms.createHistogram('experimental_content_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const navigationStartHistogram=histograms.createHistogram('experimental_navigation_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const navigationCommitHistogram=histograms.createHistogram('navigation_commit_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const firstContentfulPaintHistogram=histograms.createHistogram('first_contentful_paint_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);const applicationStartHistogram=histograms.createHistogram('process_create_to_app_start_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[]);let contentIndex=0;let navIndex=0;let fcpIndex=0;for(let loopStartIndex=0;loopStartIndex<totalBrowserStarts;){const loopStartEvent=messageLoopStartEvents[loopStartIndex];const applicationStartEvent=applicationStartEvents[loopStartIndex];if(fcpIndex===totalFcpEvents){break;}
+const contentStartEvent=contentIndex<contentStartEvents.length?contentStartEvents[contentIndex]:null;if(contentStartEvent&&contentStartEvent.start<loopStartEvent.start){contentIndex++;continue;}
+const navEvent=navIndex<navigationEvents.length?navigationEvents[navIndex]:null;if(navEvent&&navEvent.start<loopStartEvent.start){navIndex++;continue;}
+const fcpEvent=firstContentfulPaintEvents[fcpIndex];if(fcpEvent.start<loopStartEvent.start){fcpIndex++;continue;}
 loopStartIndex++;if(fcpIndex<2){continue;}
-messageLoopStartHistogram.addSample(startEvent.duration,{events:new tr.v.d.RelatedEventSet([startEvent])});if(contentStartEvent){contentStartHistogram.addSample(contentStartEvent.start-startEvent.start,{events:new tr.v.d.RelatedEventSet([startEvent,contentStartEvent])});}
-if(navEvent){navigationStartHistogram.addSample(navEvent.start-startEvent.start,{events:new tr.v.d.RelatedEventSet([startEvent,navEvent])});navigationCommitHistogram.addSample(navEvent.end-startEvent.start,{events:new tr.v.d.RelatedEventSet([startEvent,navEvent])});}
-firstContentfulPaintHistogram.addSample(fcpEvent.end-startEvent.start,{events:new tr.v.d.RelatedEventSet([startEvent,fcpEvent])});}}
+messageLoopStartHistogram.addSample(loopStartEvent.duration,{events:new tr.v.d.RelatedEventSet([loopStartEvent])});if(contentStartEvent){contentStartHistogram.addSample(contentStartEvent.start-loopStartEvent.start,{events:new tr.v.d.RelatedEventSet([loopStartEvent,contentStartEvent])});}
+if(navEvent){navigationStartHistogram.addSample(navEvent.start-loopStartEvent.start,{events:new tr.v.d.RelatedEventSet([loopStartEvent,navEvent])});navigationCommitHistogram.addSample(navEvent.end-loopStartEvent.start,{events:new tr.v.d.RelatedEventSet([loopStartEvent,navEvent])});}
+firstContentfulPaintHistogram.addSample(fcpEvent.end-loopStartEvent.start,{events:new tr.v.d.RelatedEventSet([loopStartEvent,fcpEvent])});if(applicationStartEvent){applicationStartHistogram.addSample(applicationStartEvent.duration,{events:new tr.v.d.RelatedEventSet([applicationStartEvent])});}}}
 tr.metrics.MetricRegistry.register(androidStartupMetric);return{androidStartupMetric,};});'use strict';tr.exportTo('tr.metrics.sh',function(){const MAX_INPUT_EVENT_TO_STARTUP_DELAY_IN_MS=2000;const MIN_DRAW_DELAY_IN_MS=80;const MAX_DRAW_DELAY_IN_MS=2000;function findProcess(processName,model){for(const pid in model.processes){const process=model.processes[pid];if(process.name===processName){return process;}}
 return undefined;}
 function findThreads(process,threadPrefix){if(process===undefined)return undefined;const threads=[];for(const tid in process.threads){const thread=process.threads[tid];if(thread.name.startsWith(threadPrefix)){threads.push(thread);}}
@@ -8351,6 +8137,7 @@
 function isFullMarkCompactorEvent(event){return event.title==='V8.GCCompactor';}
 function isMarkCompactorSummaryEvent(event){return event.title==='V8.GCMarkCompactorSummary';}
 function isMarkCompactorMarkingSummaryEvent(event){return event.title==='V8.GCMarkCompactorMarkingSummary';}
+function isScavengerStackScanningEvent(event){return event.title==='V8.GCScavengerStackScanning';}
 function isIncrementalMarkingEvent(event){return event.title.startsWith('V8.GCIncrementalMarking');}
 function isLatencyMarkCompactorEvent(event){return event.title==='V8.GCFinalizeMC';}
 function isMemoryMarkCompactorEvent(event){return event.title==='V8.GCFinalizeMCReduceMemory';}
@@ -8367,7 +8154,7 @@
 return TOP_GC_EVENTS[event.title];}
 function topGarbageCollectionEventNames(){return Object.values(TOP_GC_EVENTS);}
 function subGarbageCollectionEventName(event){const topEvent=findParent(event,isTopGarbageCollectionEvent);const prefix=topEvent?topGarbageCollectionEventName(topEvent):'unknown';const name=event.title.replace('V8.GC_MC_','').replace('V8.GC_SCAVENGER_','').replace('V8.GC_','').replace(/_/g,'-').toLowerCase();return prefix+'-'+name;}
-function jsExecutionThreads(model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);let threads=[];for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(rendererHelper.isChromeTracingUI)continue;threads.push(rendererHelper.mainThread);threads=threads.concat(rendererHelper.dedicatedWorkerThreads);threads=threads.concat(rendererHelper.foregroundWorkerThreads);}
+function jsExecutionThreads(model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);let threads=[];for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(rendererHelper.isChromeTracingUI)continue;threads.push(rendererHelper.mainThread);threads=threads.concat(rendererHelper.dedicatedWorkerThreads);threads=threads.concat(rendererHelper.serviceWorkerThreads);threads=threads.concat(rendererHelper.foregroundWorkerThreads);}
 return threads;}
 function groupAndProcessEvents(model,filterCallback,groupCallback,processCallback,groups){const groupToEvents={};if(groups){for(const group of groups){groupToEvents[group]=[];}}
 const threads=jsExecutionThreads(model);for(const thread of threads){for(const event of thread.sliceGroup.childEvents()){if(!filterCallback(event))continue;const group=groupCallback(event);if(groups&&!(group in groupToEvents)){continue;}
@@ -8375,6 +8162,8 @@
 for(const[group,events]of Object.entries(groupToEvents)){processCallback(group,events);}}
 function filterEvents(model,filterCallback){const threads=jsExecutionThreads(model);const events=[];for(const thread of threads){for(const event of thread.sliceGroup.childEvents()){if(!filterCallback(event))continue;events.push(event);}}
 return events;}
+function filterAndOrderEvents(model,filterCallback,keyCallback){const threads=jsExecutionThreads(model);const events={};for(const thread of threads){for(const event of thread.sliceGroup.childEvents()){if(!filterCallback(event))continue;const key=keyCallback(event);if(events[key]){events[key].push(event);}else{events[key]=[event];}}}
+return events;}
 function unionOfIntervals(intervals){if(intervals.length===0)return[];return tr.b.math.mergeRanges(intervals.map(x=>{return{min:x.start,max:x.end};}),1e-6,function(ranges){return{start:ranges.reduce((acc,x)=>Math.min(acc,x.min),ranges[0].min),end:ranges.reduce((acc,x)=>Math.max(acc,x.max),ranges[0].max)};});}
 function hasV8Stats(globalMemoryDump){let v8stats=undefined;globalMemoryDump.iterateContainerDumps(function(dump){v8stats=v8stats||dump.getMemoryAllocatorDumpByFullName('v8');});return!!v8stats;}
 function rangeForMemoryDumps(model){const startOfFirstDumpWithV8=model.globalMemoryDumps.filter(hasV8Stats).reduce((start,dump)=>Math.min(start,dump.start),Infinity);if(startOfFirstDumpWithV8===Infinity)return new tr.b.math.Range();return tr.b.math.Range.fromExplicitRange(startOfFirstDumpWithV8,Infinity);}
@@ -8389,8 +8178,10 @@
 function addMutatorUtilization(metricName,eventFilter,timeWindows,rendererHelpers,histograms){const histogramMap=new Map();for(const timeWindow of timeWindows){const summaryOptions={avg:false,count:false,max:false,min:true,std:false,sum:false};const description=`The minimum mutator utilization in ${timeWindow}ms time window`;const histogram=histograms.createHistogram(`${metricName}-${timeWindow}ms_window`,tr.b.Unit.byName.normalizedPercentage_biggerIsBetter,[],{summaryOptions,description});histogramMap.set(timeWindow,histogram);}
 for(const rendererHelper of rendererHelpers){if(rendererHelper.isChromeTracingUI)continue;if(rendererHelper.mainThread===undefined)continue;const pauses=[];for(const event of rendererHelper.mainThread.sliceGroup.childEvents()){if(eventFilter(event)&&event.end>event.start){pauses.push({start:event.start,end:event.end});}}
 pauses.sort((a,b)=>a.start-b.start);const start=rendererHelper.mainThread.bounds.min;const end=rendererHelper.mainThread.bounds.max;for(const timeWindow of timeWindows){const mu=mutatorUtilization(start,end,timeWindow,pauses);histogramMap.get(timeWindow).addSample(mu.min);}}}
-return{addMutatorUtilization,findParent,forcedGCEventName,filterEvents,groupAndProcessEvents,isForcedGarbageCollectionEvent,isFullMarkCompactorEvent,isGarbageCollectionEvent,isIdleTask,isIncrementalMarkingEvent,isLatencyMarkCompactorEvent,isLowMemoryEvent,isMarkCompactorSummaryEvent,isMarkCompactorMarkingSummaryEvent,isMemoryMarkCompactorEvent,isNotForcedMarkCompactorEvent,isNotForcedTopGarbageCollectionEvent,isNotForcedSubGarbageCollectionEvent,isScavengerEvent,isSubGarbageCollectionEvent,isTopGarbageCollectionEvent,isTopV8ExecuteEvent,isV8Event,isV8ExecuteEvent,isV8RCSEvent,isCompileRCSCategory,isCompileOptimizeRCSCategory,isCompileUnoptimizeRCSCategory,isCompileParseRCSCategory,mutatorUtilization,rangeForMemoryDumps,subGarbageCollectionEventName,topGarbageCollectionEventName,topGarbageCollectionEventNames,unionOfIntervals,};});'use strict';tr.exportTo('tr.metrics.blink',function(){const BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP={'BlinkGC.AtomicPauseMarkEpilogue':'blink-gc-atomic-pause-mark-epilogue','BlinkGC.AtomicPauseMarkPrologue':'blink-gc-atomic-pause-mark-prologue','BlinkGC.AtomicPauseMarkRoots':'blink-gc-atomic-pause-mark-roots','BlinkGC.IncrementalMarkingStartMarking':'blink-gc-incremental-start','BlinkGC.IncrementalMarkingStep':'blink-gc-incremental-step','BlinkGC.UnifiedMarkingStep':'blink-gc-unified-marking-by-v8','BlinkGC.CompleteSweep':'blink-gc-complete-sweep','BlinkGC.LazySweepInIdle':'blink-gc-sweep-task-foreground','BlinkGC.LazySweepOnAllocation':'blink-gc-sweep-allocation','BlinkGC.AtomicPauseSweepAndCompact':'blink-gc-atomic-pause-sweep-and-compact'};const BLINK_TOP_GC_ROOTS_MARKING_EVENTS=['BlinkGC.VisitRoots'];const BLINK_GC_ATOMIC_PAUSE_TRANSITIVE_CLOSURE_EVENTS=['BlinkGC.AtomicPauseMarkTransitiveClosure'];const BLINK_GC_FOREGROUND_MARKING_TRANSITIVE_CLOSURE_EVENTS=['BlinkGC.AtomicPauseMarkTransitiveClosure','BlinkGC.IncrementalMarkingStep','BlinkGC.UnifiedMarkingStep'];const BLINK_TOP_GC_FOREGROUND_MARKING_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.IncrementalMarkingStartMarking',].concat(BLINK_GC_FOREGROUND_MARKING_TRANSITIVE_CLOSURE_EVENTS);const BLINK_TOP_GC_BACKGROUND_MARKING_EVENTS=['BlinkGC.ConcurrentMarkingStep'];const BLINK_TOP_GC_FOREGROUND_SWEEPING_EVENTS=['BlinkGC.CompleteSweep','BlinkGC.LazySweepInIdle','BlinkGC.LazySweepOnAllocation'];const BLINK_TOP_GC_BACKGROUND_SWEEPING_EVENTS=['BlinkGC.ConcurrentSweepingStep'];const BLINK_TOP_GC_EVENTS=Object.keys(BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP).concat(BLINK_GC_ATOMIC_PAUSE_TRANSITIVE_CLOSURE_EVENTS);const ATOMIC_PAUSE_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.AtomicPauseMarkTransitiveClosure','BlinkGC.AtomicPauseSweepAndCompact'];function blinkGarbageCollectionEventName(event){return BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP[event.title];}
+return{addMutatorUtilization,findParent,forcedGCEventName,filterEvents,filterAndOrderEvents,groupAndProcessEvents,isForcedGarbageCollectionEvent,isFullMarkCompactorEvent,isGarbageCollectionEvent,isIdleTask,isIncrementalMarkingEvent,isLatencyMarkCompactorEvent,isLowMemoryEvent,isMarkCompactorSummaryEvent,isMarkCompactorMarkingSummaryEvent,isMemoryMarkCompactorEvent,isNotForcedMarkCompactorEvent,isNotForcedTopGarbageCollectionEvent,isNotForcedSubGarbageCollectionEvent,isScavengerEvent,isScavengerStackScanningEvent,isSubGarbageCollectionEvent,isTopGarbageCollectionEvent,isTopV8ExecuteEvent,isV8Event,isV8ExecuteEvent,isV8RCSEvent,isCompileRCSCategory,isCompileOptimizeRCSCategory,isCompileUnoptimizeRCSCategory,isCompileParseRCSCategory,mutatorUtilization,rangeForMemoryDumps,subGarbageCollectionEventName,topGarbageCollectionEventName,topGarbageCollectionEventNames,unionOfIntervals,};});'use strict';tr.exportTo('tr.metrics.blink',function(){const BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP={'BlinkGC.AtomicPauseMarkEpilogue':'blink-gc-atomic-pause-mark-epilogue','BlinkGC.AtomicPauseMarkPrologue':'blink-gc-atomic-pause-mark-prologue','BlinkGC.AtomicPauseMarkRoots':'blink-gc-atomic-pause-mark-roots','BlinkGC.IncrementalMarkingStartMarking':'blink-gc-incremental-start','BlinkGC.IncrementalMarkingStep':'blink-gc-incremental-step','BlinkGC.UnifiedMarkingStep':'blink-gc-unified-marking-by-v8','BlinkGC.CompleteSweep':'blink-gc-complete-sweep','BlinkGC.LazySweepInIdle':'blink-gc-sweep-task-foreground','BlinkGC.LazySweepOnAllocation':'blink-gc-sweep-allocation','BlinkGC.AtomicPauseSweepAndCompact':'blink-gc-atomic-pause-sweep-and-compact'};const BLINK_NON_AGGREGATED_GC_EVENTS_NEW_NAMES_MAP={'BlinkGC.AtomicPauseMarkEpilogue':'blink:gc:main_thread:cycle:full:atomic:mark:epilogue','BlinkGC.AtomicPauseMarkPrologue':'blink:gc:main_thread:cycle:full:atomic:mark:prologue','BlinkGC.AtomicPauseMarkRoots':'blink:gc:main_thread:cycle:full:atomic:mark:roots','BlinkGC.IncrementalMarkingStartMarking':'blink:gc:main_thread:cycle:full:incremental:mark:start','BlinkGC.IncrementalMarkingStep':'blink:gc:main_thread:cycle:full:incremental:mark:step','BlinkGC.UnifiedMarkingStep':'unified:gc:main_thread:cycle:full:mark:step','BlinkGC.CompleteSweep':'blink:gc:main_thread:cycle:full:sweep:complete','BlinkGC.LazySweepInIdle':'blink:gc:main_thread:cycle:full:sweep:idle','BlinkGC.LazySweepOnAllocation':'blink:gc:main_thread:cycle:full:sweep:on_allocation','BlinkGC.AtomicPauseSweepAndCompact':'blink:gc:main_thread:cycle:full:atomic:sweep:compact'};const BLINK_TOP_GC_ROOTS_MARKING_EVENTS=['BlinkGC.VisitRoots'];const BLINK_GC_ATOMIC_PAUSE_TRANSITIVE_CLOSURE_EVENTS=['BlinkGC.AtomicPauseMarkTransitiveClosure'];const BLINK_GC_FOREGROUND_MARKING_TRANSITIVE_CLOSURE_EVENTS=['BlinkGC.AtomicPauseMarkTransitiveClosure','BlinkGC.IncrementalMarkingStep','BlinkGC.UnifiedMarkingStep'];const BLINK_TOP_GC_FOREGROUND_MARKING_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.IncrementalMarkingStartMarking',].concat(BLINK_GC_FOREGROUND_MARKING_TRANSITIVE_CLOSURE_EVENTS);const BLINK_GC_FORCED_FOREGROUND_MARKING_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.IncrementalMarkingStartMarking','BlinkGC.MarkBailOutObjects','BlinkGC.MarkFlushV8References','BlinkGC.MarkFlushEphemeronPairs',];const BLINK_TOP_GC_BACKGROUND_MARKING_EVENTS=['BlinkGC.ConcurrentMarkingStep'];const BLINK_TOP_GC_FOREGROUND_SWEEPING_EVENTS=['BlinkGC.CompleteSweep','BlinkGC.LazySweepInIdle','BlinkGC.LazySweepOnAllocation'];const BLINK_TOP_GC_BACKGROUND_SWEEPING_EVENTS=['BlinkGC.ConcurrentSweepingStep'];const BLINK_TOP_GC_EVENTS=Object.keys(BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP).concat(BLINK_GC_ATOMIC_PAUSE_TRANSITIVE_CLOSURE_EVENTS);const ATOMIC_PAUSE_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.AtomicPauseMarkTransitiveClosure','BlinkGC.AtomicPauseSweepAndCompact'];function blinkGarbageCollectionEventName(event){return BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP[event.title];}
 function blinkGarbageCollectionEventNames(){return Object.values(BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP);}
+function blinkGarbageCollectionEventNewName(event){return BLINK_NON_AGGREGATED_GC_EVENTS_NEW_NAMES_MAP[event.title];}
+function blinkGarbageCollectionEventNewNames(){return Object.values(BLINK_NON_AGGREGATED_GC_EVENTS_NEW_NAMES_MAP);}
 function isNonForcedEvent(event){return(!event.args||!event.args.forced)&&!tr.metrics.v8.utils.isForcedGarbageCollectionEvent(event);}
 function isNonForcedBlinkGarbageCollectionEvent(event){return BLINK_TOP_GC_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonForcedNonAggregatedBlinkGarbageCollectionEvent(event){return event.title in BLINK_NON_AGGREGATED_GC_EVENTS_NAMES_MAP&&isNonForcedEvent(event);}
@@ -8401,35 +8192,33 @@
 function
 isNonForcedBlinkGarbageCollectionAtomicPauseTransitiveColsureEvent(event){return BLINK_GC_ATOMIC_PAUSE_TRANSITIVE_CLOSURE_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonForcedBlinkGarbageCollectionForegroundMarkingEvent(event){return BLINK_TOP_GC_FOREGROUND_MARKING_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
+function isNonForcedBlinkGarbageCollectionForcedForegroundMarkEvent(event){return BLINK_GC_FORCED_FOREGROUND_MARKING_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonForcedBlinkGarbageCollectionBackgroundMarkingEvent(event){return BLINK_TOP_GC_BACKGROUND_MARKING_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonForcedBlinkGarbageCollectionForegroundSweepingEvent(event){return BLINK_TOP_GC_FOREGROUND_SWEEPING_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonForcedBlinkGarbageCollectionBackgroundSweepingEvent(event){return BLINK_TOP_GC_BACKGROUND_SWEEPING_EVENTS.includes(event.title)&&isNonForcedEvent(event);}
 function isNonNestedNonForcedBlinkGarbageCollectionEvent(event){return isNonForcedBlinkGarbageCollectionEvent(event)&&!tr.metrics.v8.utils.findParent(event,tr.metrics.v8.utils.isGarbageCollectionEvent);}
-function blinkGcMetric(histograms,model){addDurationOfTopEvents(histograms,model);addDurationOfAtomicPause(histograms,model);addDurationOfAtomicPauseTransitiveClosure(histograms,model);addTotalDurationOfTopEvents(histograms,model);addTotalDurationOfBlinkAndV8TopEvents(histograms,model);addTotalDurationOfRootsMarking(histograms,model);addTotalDurationOfMarkingTransitiveClosure(histograms,model);addTotalDurationOfForegroundMarking(histograms,model);addTotalDurationOfBackgroundMarking(histograms,model);addTotalDurationOfForegroundSweeping(histograms,model);addTotalDurationOfBackgroundSweeping(histograms,model);}
-tr.metrics.MetricRegistry.register(blinkGcMetric);const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,20,200).addExponentialBins(200,100);function createNumericForTopEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:true,max:true,min:false,std:true,sum:true,percentile:[0.90]});return n;}
-function createNumericForTotalEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:false,count:true,max:false,min:false,std:false,sum:true,percentile:[0.90]});return n;}
-function createNumericForUnifiedEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:false,count:true,max:true,min:false,std:false,sum:true,percentile:[0.90]});return n;}
-function addDurationOfTopEvents(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedNonAggregatedBlinkGarbageCollectionEvent,blinkGarbageCollectionEventName,function(name,events){const cpuDuration=createNumericForTopEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},blinkGarbageCollectionEventNames());}
-function addDurationOfAtomicPause(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionAtomicPauseEvent,event=>event.args.epoch,function(group,events){const cpuDuration=createNumericForTopEventTime('blink-gc-atomic-pause');cpuDuration.addSample(events.reduce((acc,current)=>acc+current.cpuDuration,0));histograms.addHistogram(cpuDuration);});}
-function addDurationOfAtomicPauseTransitiveClosure(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionAtomicPauseTransitiveColsureEvent,event=>event.args.epoch,function(group,events){const cpuDuration=createNumericForTopEventTime('blink-gc-atomic-pause-mark-transitive-closure');cpuDuration.addSample(events.reduce((acc,current)=>acc+current.cpuDuration,0));histograms.addHistogram(cpuDuration);});}
-function addTotalDurationOfTopEvents(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionEvent,event=>'blink-gc-total',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-total']);}
-function addTotalDurationOfRootsMarking(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionRootsMarkingEvent,event=>'blink-gc-mark-roots',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-mark-roots']);}
-function addTotalDurationOfMarkingTransitiveClosure(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionMarkingTransitiveColsureEvent,event=>'blink-gc-mark-transitive-closure',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-mark-transitive-closure']);}
-function addTotalDurationOfForegroundMarking(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionForegroundMarkingEvent,event=>'blink-gc-mark-foreground',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-mark-foreground']);}
-function addTotalDurationOfBackgroundMarking(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionBackgroundMarkingEvent,event=>'blink-gc-mark-background',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-mark-background']);}
-function addTotalDurationOfForegroundSweeping(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionForegroundSweepingEvent,event=>'blink-gc-sweep-foreground',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-sweep-foreground']);}
-function addTotalDurationOfBackgroundSweeping(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedBlinkGarbageCollectionBackgroundSweepingEvent,event=>'blink-gc-sweep-background',function(name,events){const cpuDuration=createNumericForTotalEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['blink-gc-sweep-background']);}
+function blinkGcMetric(histograms,model){addDurationOfTopEvents(histograms,model);addDurationOfAtomicPause(histograms,model);addDurationOfAtomicPauseTransitiveClosure(histograms,model);addTotalDurationOfTopEvents(histograms,model);addTotalDurationOfBlinkAndV8TopEvents(histograms,model);addTotalDurationOfRootsMarking(histograms,model);addTotalDurationOfMarkingTransitiveClosure(histograms,model);addTotalDurationOfForegroundMarking(histograms,model);addTotalDurationOfForcedForegroundMarking(histograms,model);addTotalDurationOfBackgroundMarking(histograms,model);addTotalDurationOfForegroundSweeping(histograms,model);addTotalDurationOfBackgroundSweeping(histograms,model);}
+function getEventEpochUniqueId(event){return event.parentContainer.parent.stableId+':'+event.args.epoch;}
+tr.metrics.MetricRegistry.register(blinkGcMetric);const CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,20,200).addExponentialBins(200,100);function createNumericForEventTime(name){const n=new tr.v.Histogram(name,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:true,max:true,min:true,std:true,sum:true,percentile:[0.90]});return n;}
+function addDurationOfTopEvents(histograms,model){const nameToNumeric={};const nameToEpochNumeric={};for(const name of blinkGarbageCollectionEventNames()){nameToNumeric[name]=createNumericForEventTime(name);}
+for(const name of blinkGarbageCollectionEventNewNames()){nameToEpochNumeric[name]=createNumericForEventTime(name);}
+tr.metrics.v8.utils.groupAndProcessEvents(model,isNonForcedNonAggregatedBlinkGarbageCollectionEvent,getEventEpochUniqueId,function(epoch,events){const namesToPerEpochDurations={};for(const event of events){nameToNumeric[blinkGarbageCollectionEventName(event)].addSample(event.cpuDuration);const name=blinkGarbageCollectionEventNewName(event);namesToPerEpochDurations[name]=(namesToPerEpochDurations[name]||0)+event.cpuDuration;}
+for(const name in namesToPerEpochDurations){nameToEpochNumeric[name].addSample(namesToPerEpochDurations[name]);}});for(const name of blinkGarbageCollectionEventNames()){histograms.addHistogram(nameToNumeric[name]);}
+for(const name of blinkGarbageCollectionEventNewNames()){histograms.addHistogram(nameToEpochNumeric[name]);}}
+function addIndividualDurationsOfEvents(histograms,model,name,filter){const cpuDuration=createNumericForEventTime(name);tr.metrics.v8.utils.groupAndProcessEvents(model,filter,event=>name,function(group,events){for(const event of events){cpuDuration.addSample(event.cpuDuration);}},[name]);histograms.addHistogram(cpuDuration);}
+function addPerEpochDurationsOfEvents(histograms,model,name,filter){const cpuDuration=createNumericForEventTime(name);tr.metrics.v8.utils.groupAndProcessEvents(model,filter,getEventEpochUniqueId,function(epoch,events){cpuDuration.addSample(events.reduce((acc,current)=>acc+current.cpuDuration,0));});histograms.addHistogram(cpuDuration);}
+function addDurationOfAtomicPause(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-atomic-pause',isNonForcedBlinkGarbageCollectionAtomicPauseEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:atomic',isNonForcedBlinkGarbageCollectionAtomicPauseEvent);}
+function addDurationOfAtomicPauseTransitiveClosure(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-atomic-pause-mark-transitive-closure',isNonForcedBlinkGarbageCollectionAtomicPauseTransitiveColsureEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:atomic:mark:transitive_closure',isNonForcedBlinkGarbageCollectionAtomicPauseTransitiveColsureEvent);}
+function addTotalDurationOfTopEvents(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-total',isNonForcedBlinkGarbageCollectionEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full',isNonForcedBlinkGarbageCollectionEvent);}
+function addTotalDurationOfRootsMarking(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-mark-roots',isNonForcedBlinkGarbageCollectionRootsMarkingEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:mark:roots',isNonForcedBlinkGarbageCollectionRootsMarkingEvent);}
+function addTotalDurationOfMarkingTransitiveClosure(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-mark-transitive-closure',isNonForcedBlinkGarbageCollectionMarkingTransitiveColsureEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:mark:transitive_closure',isNonForcedBlinkGarbageCollectionMarkingTransitiveColsureEvent);}
+function addTotalDurationOfForegroundMarking(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-mark-foreground',isNonForcedBlinkGarbageCollectionForegroundMarkingEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:mark',isNonForcedBlinkGarbageCollectionForegroundMarkingEvent);}
+function addTotalDurationOfForcedForegroundMarking(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-mark-foreground-forced',isNonForcedBlinkGarbageCollectionForcedForegroundMarkEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:mark:forced',isNonForcedBlinkGarbageCollectionForcedForegroundMarkEvent);}
+function addTotalDurationOfBackgroundMarking(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-mark-background',isNonForcedBlinkGarbageCollectionBackgroundMarkingEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:concurrent_thread:cycle:full:mark',isNonForcedBlinkGarbageCollectionBackgroundMarkingEvent);}
+function addTotalDurationOfForegroundSweeping(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-sweep-foreground',isNonForcedBlinkGarbageCollectionForegroundSweepingEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:main_thread:cycle:full:sweep',isNonForcedBlinkGarbageCollectionForegroundSweepingEvent);}
+function addTotalDurationOfBackgroundSweeping(histograms,model){addIndividualDurationsOfEvents(histograms,model,'blink-gc-sweep-background',isNonForcedBlinkGarbageCollectionBackgroundSweepingEvent);addPerEpochDurationsOfEvents(histograms,model,'blink:gc:concurrent_thread:cycle:full:sweep',isNonForcedBlinkGarbageCollectionBackgroundSweepingEvent);}
 function isV8OrBlinkTopLevelGarbageCollectionEvent(event){return tr.metrics.v8.utils.isNotForcedTopGarbageCollectionEvent(event)||isNonNestedNonForcedBlinkGarbageCollectionEvent(event);}
-function addTotalDurationOfBlinkAndV8TopEvents(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isV8OrBlinkTopLevelGarbageCollectionEvent,event=>'unified-gc-total',function(name,events){const cpuDuration=createNumericForUnifiedEventTime(name);for(const event of events){cpuDuration.addSample(event.cpuDuration);}
-histograms.addHistogram(cpuDuration);},['unified-gc-total']);}
+function addTotalDurationOfBlinkAndV8TopEvents(histograms,model){addIndividualDurationsOfEvents(histograms,model,'unified-gc-total',isV8OrBlinkTopLevelGarbageCollectionEvent);}
 return{blinkGcMetric,};});'use strict';tr.exportTo('tr.metrics.blink',function(){function leakDetectionMetric(histograms,model){const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(modelHelper===undefined){throw new Error('Chrome is not present.');}
 const rendererHelpers=modelHelper.rendererHelpers;if(Object.keys(rendererHelpers).length===0){throw new Error('Renderer process is not present.');}
 const pids=Object.keys(rendererHelpers);const chromeDumps=tr.metrics.sh.splitGlobalDumpsByBrowserName(model,undefined).get('chrome');const sumCounter=new Map();for(const pid of pids){for(const[key,count]of countLeakedBlinkObjects(chromeDumps,pid)){sumCounter.set(key,(sumCounter.get(key)||0)+count);}}
@@ -8440,10 +8229,11 @@
 return diffCounter;}
 function countBlinkObjects(dump,pid){const counter=new Map();const processesMemoryDumps=dump.processMemoryDumps;if(processesMemoryDumps[pid]===undefined)return counter;const blinkObjectsDump=processesMemoryDumps[pid].memoryAllocatorDumps.find(dump=>dump.fullName==='blink_objects');for(const v of blinkObjectsDump.children){counter.set(v.name,v.numerics.object_count.value);}
 return counter;}
-return{leakDetectionMetric,};});'use strict';tr.exportTo('tr.metrics.console',function(){const COUNT_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1e4,30);const SUMMARY_OPTIONS=tr.v.Histogram.AVERAGE_ONLY_SUMMARY_OPTIONS;const SOURCES=['all','js','network'];function consoleErrorMetric(histograms,model){const counts={};for(const source of SOURCES){counts[source]=0;}
-for(const slice of model.getDescendantEvents()){if(slice.category==='blink.console'&&slice.title==='ConsoleMessage::Error'){const source=slice.args.source.toLowerCase();counts.all++;if(source in counts){counts[source]++;}}
-if(slice.category==='v8.console'&&(slice.title==='V8ConsoleMessage::Exception'||slice.title==='V8ConsoleMessage::Error'||slice.title==='V8ConsoleMessage::Assert')){counts.all++;counts.js++;}}
-for(const source of SOURCES){histograms.createHistogram(`console:error:${source}`,tr.b.Unit.byName.count_smallerIsBetter,counts[source],{description:`Number of ${source} console error messages`,summaryOptions:SUMMARY_OPTIONS});}}
+return{leakDetectionMetric,};});'use strict';tr.exportTo('tr.metrics.console',function(){const COUNT_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1e4,30);const SUMMARY_OPTIONS=tr.v.Histogram.AVERAGE_ONLY_SUMMARY_OPTIONS;const SOURCES=['all','js','network'];function consoleErrorMetric(histograms,model){const counts={};for(const source of SOURCES){counts[source]={count:0,details:[]};}
+for(const slice of model.getDescendantEvents()){if(slice.category==='blink.console'&&slice.title==='ConsoleMessage::Error'){const source=slice.args.source.toLowerCase();counts.all.count++;if(slice.args.message){counts.all.details.push({pid:slice.getProcess().pid,...slice.args.message});}
+if(source in counts){counts[source].count++;if(slice.args.message){counts[source].details.push({pid:slice.getProcess().pid,...slice.args.message});}}}
+if(slice.category==='v8.console'&&(slice.title==='V8ConsoleMessage::Exception'||slice.title==='V8ConsoleMessage::Error'||slice.title==='V8ConsoleMessage::Assert')){counts.all.count++;counts.js.count++;}}
+for(const source of SOURCES){const hist=histograms.createHistogram(`console:error:${source}`,tr.b.Unit.byName.count_smallerIsBetter,{value:counts[source].count,diagnostics:{details:new tr.v.d.GenericSet(counts[source].details)}},{description:`Number of ${source} console error messages`,summaryOptions:SUMMARY_OPTIONS,});}}
 tr.metrics.MetricRegistry.register(consoleErrorMetric);return{consoleErrorMetric,};});'use strict';tr.exportTo('tr.metrics.sh',function(){function getCpuSnapshotsFromModel(model){const snapshots=[];for(const pid in model.processes){const snapshotInstances=model.processes[pid].objects.getAllInstancesNamed('CPUSnapshots');if(!snapshotInstances)continue;for(const object of snapshotInstances[0].snapshots){snapshots.push(object.args.processes);}}
 return snapshots;}
 function getProcessSumsFromSnapshot(snapshot){const processSums=new Map();for(const processData of snapshot){const processName=processData.name;if(!(processSums.has(processName))){processSums.set(processName,{sum:0.0,paths:new Set()});}
@@ -8458,7 +8248,7 @@
 tr.metrics.MetricRegistry.register(cpuProcessMetric);return{cpuProcessMetric,};});'use strict';tr.exportTo('tr.metrics',function(){function mediaMetric(histograms,model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(chromeHelper===undefined)return;for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){const mainThread=rendererHelper.mainThread;if(mainThread===undefined)continue;const videoThreads=rendererHelper.process.findAllThreadsMatching(thread=>(thread.name?thread.name.startsWith('ThreadPoolSingleThreadSharedForegroundBlocking'):false));const compositorThread=rendererHelper.compositorThread;if(compositorThread!==undefined){videoThreads.push(compositorThread);}
 const audioThreads=rendererHelper.process.findAllThreadsNamed('AudioOutputDevice');if(audioThreads.length===0&&videoThreads.length===0)continue;const processData=new PerProcessData();processData.recordPlayStarts(mainThread);if(!processData.hasPlaybacks)continue;if(videoThreads.length!==0){processData.calculateTimeToVideoPlays(videoThreads);processData.calculateDroppedFrameCounts(videoThreads);}
 if(audioThreads.length!==0){processData.calculateTimeToAudioPlays(audioThreads);}
-processData.calculateSeekTimes(mainThread);processData.calculateBufferingTimes(mainThread);processData.addMetricToHistograms(histograms);}}
+processData.calculateSeekTimes(mainThread);processData.calculateBufferingTimes(mainThread);const allThreads=rendererHelper.process.findAllThreadsMatching(function(){return true;});processData.calculateVideoPlaybackQuality(allThreads);processData.addMetricToHistograms(histograms);}}
 class PerProcessData{constructor(){this.playbackIdToDataMap_=new Map();}
 recordPlayStarts(mainThread){for(const event of mainThread.sliceGroup.getDescendantEvents()){if(event.title==='WebMediaPlayerImpl::DoLoad'){const id=event.args.id;if(this.playbackIdToDataMap_.has(id)){throw new Error('Unexpected multiple initialization of a media playback');}
 this.playbackIdToDataMap_.set(id,new PerPlaybackData(event.start));}}}
@@ -8468,15 +8258,18 @@
 calculateSeekTimes(mainThread){for(const event of mainThread.sliceGroup.getDescendantEvents()){if(event.title==='WebMediaPlayerImpl::DoSeek'){this.getPerPlaybackObject_(event.args.id).processDoSeek(event.args.target,event.start);}else if(event.title==='WebMediaPlayerImpl::OnPipelineSeeked'){this.getPerPlaybackObject_(event.args.id).processOnPipelineSeeked(event.args.target,event.start);}else if(event.title==='WebMediaPlayerImpl::BufferingHaveEnough'){this.getPerPlaybackObject_(event.args.id).processBufferingHaveEnough(event.start);}}}
 calculateBufferingTimes(mainThread){for(const event of mainThread.sliceGroup.getDescendantEvents()){if(event.title==='WebMediaPlayerImpl::OnEnded'){this.getPerPlaybackObject_(event.args.id).processOnEnded(event.start,event.args.duration);}}}
 calculateDroppedFrameCounts(videoThreads){for(const thread of videoThreads){for(const event of thread.sliceGroup.getDescendantEvents()){if(event.title==='VideoFramesDropped'){this.getPerPlaybackObject_(event.args.id).processVideoFramesDropped(event.args.count);}}}}
+calculateVideoPlaybackQuality(threads){for(const thread of threads){for(const event of thread.sliceGroup.getDescendantEvents()){if(event.title==='VideoPlaybackRoughness'){this.getPerPlaybackObject_(event.args.id).processVideoRoughness(event.args.roughness);}else if(event.title==='VideoPlaybackFreezing'){this.getPerPlaybackObject_(event.args.id).processVideoFreezing(event.args.freezing);}}}}
 addMetricToHistograms(histograms){for(const[id,playbackData]of this.playbackIdToDataMap_){playbackData.addMetricToHistograms(histograms);}}
 getPerPlaybackObject_(playbackId){let perPlaybackObject=this.playbackIdToDataMap_.get(playbackId);if(perPlaybackObject===undefined){perPlaybackObject=new PerPlaybackData(undefined);this.playbackIdToDataMap_.set(playbackId,perPlaybackObject);}
 return perPlaybackObject;}}
-class PerPlaybackData{constructor(playStartTime){this.playStart_=playStartTime;this.timeToVideoPlay_=undefined;this.timeToAudioPlay_=undefined;this.bufferingTime_=undefined;this.droppedFrameCount_=0;this.seekError_=false;this.seekTimes_=new Map();this.currentSeek_=undefined;}
+class PerPlaybackData{constructor(playStartTime){this.playStart_=playStartTime;this.timeToVideoPlay_=undefined;this.timeToAudioPlay_=undefined;this.bufferingTime_=undefined;this.droppedFrameCount_=0;this.seekError_=false;this.seekTimes_=new Map();this.currentSeek_=undefined;this.roughness_=undefined;this.freezing_=undefined;}
 get timeToVideoPlay(){return this.timeToVideoPlay_;}
 get timeToAudioPlay(){return this.timeToAudioPlay_;}
 get bufferingTime(){return this.bufferingTime_;}
 get droppedFrameCount(){return(this.timeToVideoPlay_!==undefined)?this.droppedFrameCount_:undefined;}
 get seekTimes(){if(this.seekError_||this.currentSeek_!==undefined)return new Map();return this.seekTimes_;}
+get roughness(){return this.roughness_;}
+get freezing(){return this.freezing_;}
 processVideoRenderTime(videoRenderTime){if(this.playStart_!==undefined&&this.timeToVideoPlay_===undefined){this.timeToVideoPlay_=videoRenderTime-this.playStart_;}}
 processAudioRenderTime(audioRenderTime){if(this.playStart_!==undefined&&this.timeToAudioPlay_===undefined){this.timeToAudioPlay_=audioRenderTime-this.playStart_;}}
 processVideoFramesDropped(count){this.droppedFrameCount_+=count;}
@@ -8490,22 +8283,26 @@
 if(currentSeek.pipelineSeekTime===undefined){return;}
 currentSeek.seekTime=time-currentSeek.startTime;this.currentSeek_=undefined;}
 processOnEnded(playEndTime,duration){if(this.playStart_===undefined)return;if(this.seekTimes_.size!==0||this.seekError_)return;if(this.bufferingTime_!==undefined)return;duration=tr.b.convertUnit(duration,tr.b.UnitPrefixScale.METRIC.NONE,tr.b.UnitPrefixScale.METRIC.MILLI);const playTime=playEndTime-this.playStart_;if(this.timeToVideoPlay_!==undefined){this.bufferingTime_=playTime-duration-this.timeToVideoPlay_;}else if(this.timeToAudioPlay!==undefined){this.bufferingTime_=playTime-duration-this.timeToAudioPlay_;}}
+processVideoRoughness(roughness){if(this.roughness_===undefined||this.roughness_>roughness){this.roughness_=roughness;}}
+processVideoFreezing(freezing){if(this.freezing_===undefined||this.freezing_>freezing){this.freezing_=freezing;}}
 addMetricToHistograms(histograms){this.addSample_(histograms,'time_to_video_play',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,this.timeToVideoPlay);this.addSample_(histograms,'time_to_audio_play',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,this.timeToAudioPlay);this.addSample_(histograms,'dropped_frame_count',tr.b.Unit.byName.count_smallerIsBetter,this.droppedFrameCount);for(const[key,value]of this.seekTimes.entries()){const keyString=key.toString().replace('.','_');this.addSample_(histograms,'pipeline_seek_time_'+keyString,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,value.pipelineSeekTime);this.addSample_(histograms,'seek_time_'+keyString,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,value.seekTime);}
-this.addSample_(histograms,'buffering_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,this.bufferingTime);}
+this.addSample_(histograms,'buffering_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,this.bufferingTime);this.addSample_(histograms,'roughness',tr.b.Unit.byName.count_smallerIsBetter,this.roughness);this.addSample_(histograms,'freezing',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,this.freezing);}
 addSample_(histograms,name,unit,sample){if(sample===undefined)return;const histogram=histograms.getHistogramNamed(name);if(histogram===undefined){histograms.createHistogram(name,unit,sample);}else{histogram.addSample(sample);}}}
-tr.metrics.MetricRegistry.register(mediaMetric);return{mediaMetric,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const UNKNOWN_THREAD_NAME='Unknown';const CATEGORY_THREAD_MAP=new Map();CATEGORY_THREAD_MAP.set('total_all',[/.*/]);CATEGORY_THREAD_MAP.set('browser',[/^Browser Compositor$/,/^CrBrowserMain$/]);CATEGORY_THREAD_MAP.set('display_compositor',[/^VizCompositorThread$/]);CATEGORY_THREAD_MAP.set('GPU',[/^Chrome_InProcGpuThread$/,/^CrGpuMain$/]);CATEGORY_THREAD_MAP.set('IO',[/IOThread/]);CATEGORY_THREAD_MAP.set('raster',[/CompositorTileWorker/]);CATEGORY_THREAD_MAP.set('renderer_compositor',[/^Compositor$/]);CATEGORY_THREAD_MAP.set('renderer_main',[/^CrRendererMain$/]);CATEGORY_THREAD_MAP.set('total_rendering',[/^Browser Compositor$/,/^Chrome_InProcGpuThread$/,/^Compositor$/,/CompositorTileWorker/,/^CrBrowserMain$/,/^CrGpuMain$/,/^CrRendererMain$/,/IOThread/,/^VizCompositorThread$/]);const ALL_CATEGORIES=[...CATEGORY_THREAD_MAP.keys(),'other'];function addValueToMap_(map,key,value){const oldValue=map.get(key)||0;map.set(key,oldValue+value);}
-function categoryShouldHaveBreakdown(category){return category==='total_all'||category==='total_rendering';}
+tr.metrics.MetricRegistry.register(mediaMetric);return{mediaMetric,};});'use strict';tr.exportTo('tr.metrics',function(){function memoryAblationMetric(histograms,model){const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!modelHelper.gpuHelper)return;const gpuProcess=modelHelper.gpuHelper.process;const events=[...gpuProcess.findTopmostSlicesNamed('Memory.GPU.PeakMemoryUsage.AblationTimes')];const allocHistogram=histograms.createHistogram('Ablation Alloc',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{binBoundaries:tr.v.HistogramBinBoundaries.createLinear(0,10000,20),description:'The amount of time spent allocating the ablation '+'memory',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const deallocHistogram=histograms.createHistogram('Ablation Dealloc',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{binBoundaries:tr.v.HistogramBinBoundaries.createLinear(0,10000,20),description:'The amount of time spent deallocating the ablation '+'memory',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});for(let i=0;i<events.length;i++){allocHistogram.addSample(events[i].args.alloc);deallocHistogram.addSample(events[i].args.dealloc);}}
+tr.metrics.MetricRegistry.register(memoryAblationMetric,{requiredCategories:['gpu.memory'],});return{memoryAblationMetric,};});'use strict';tr.exportTo('tr.metrics.pa',function(){function pcscanMetric(histograms,model){function createNumericForProcess(name,processName,desc){function createNumericForEventTime(name,desc){const n=new tr.v.Histogram(name,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);n.description=desc;n.customizeSummaryOptions({avg:true,count:true,max:true,min:true,std:true,sum:true});return n;}
+const scheme=['pa','pcscan',processName];if(name)scheme.push(name);return createNumericForEventTime(scheme.join(':'),desc);}
+function createHistsForProcess(processName){return{scan:createNumericForProcess('scan',processName,'Time for scanning heap for quarantine pointers'),sweep:createNumericForProcess('sweep',processName,'Time for sweeping quarantine'),clear:createNumericForProcess('clear',processName,'Time for clearing quarantine entries'),total:createNumericForProcess('',processName,'Total time for PCScan execution')};}
+function addSample(hists,slice){if(!(slice instanceof tr.model.ThreadSlice))return;if(slice.category!=='partition_alloc')return;if(slice.title==='PCScan.Scan'){hists.scan.addSample(slice.duration);}else if(slice.title==='PCScan.Sweep'){hists.sweep.addSample(slice.duration);}else if(slice.title==='PCScan.Clear'){hists.clear.addSample(slice.duration);}else if(slice.title==='PCScan'){hists.total.addSample(slice.duration);}}
+function addHistsForProcess(processHists,processHelpers){for(const helper of Object.values(processHelpers)){const processName=tr.e.chrome.chrome_processes.canonicalizeProcessName(helper.process.name);if(!processHists.has(processName)){processHists.set(processName,createHistsForProcess(processName));}
+for(const slice of helper.process.getDescendantEvents()){addSample(processHists.get(processName),slice);}}}
+const helper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const processHists=new Map();addHistsForProcess(processHists,helper.browserHelpers);addHistsForProcess(processHists,helper.rendererHelpers);for(const hists of processHists.values()){for(const hist of Object.values(hists)){histograms.addHistogram(hist);}}}
+tr.metrics.MetricRegistry.register(pcscanMetric);return{pcscanMetric,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const UNKNOWN_THREAD_NAME='Unknown';const CATEGORY_THREAD_MAP=new Map();CATEGORY_THREAD_MAP.set('total_all',[/.*/]);CATEGORY_THREAD_MAP.set('browser',[/^Browser Compositor$/,/^CrBrowserMain$/]);CATEGORY_THREAD_MAP.set('display_compositor',[/^VizCompositorThread$/]);CATEGORY_THREAD_MAP.set('GPU',[/^Chrome_InProcGpuThread$/,/^CrGpuMain$/]);CATEGORY_THREAD_MAP.set('IO',[/IOThread/]);CATEGORY_THREAD_MAP.set('raster',[/CompositorTileWorker/]);CATEGORY_THREAD_MAP.set('renderer_compositor',[/^Compositor$/]);CATEGORY_THREAD_MAP.set('renderer_main',[/^CrRendererMain$/]);CATEGORY_THREAD_MAP.set('total_rendering',[/^Browser Compositor$/,/^Chrome_InProcGpuThread$/,/^Compositor$/,/CompositorTileWorker/,/^CrBrowserMain$/,/^CrGpuMain$/,/^CrRendererMain$/,/IOThread/,/^VizCompositorThread$/]);const ALL_CATEGORIES=[...CATEGORY_THREAD_MAP.keys(),'other'];function addValueToMap_(map,key,value){const oldValue=map.get(key)||0;map.set(key,oldValue+value);}
+function addToArrayInMap_(map,key,value){const arr=map.get(key)||[];arr.push(value);map.set(key,arr);}
 function*getCategories_(threadName){let isOther=true;for(const[category,regexps]of CATEGORY_THREAD_MAP){for(const regexp of regexps){if(regexp.test(threadName)){if(category!=='total_all')isOther=false;yield category;break;}}}
 if(isOther)yield'other';}
-function isSubset_(regexps1,regexps2){for(const r1 of regexps1){if(regexps2.find(r2=>r2.toString()===r1.toString())===undefined){return false;}}
-return true;}
-function addCpuUtilizationHistograms(histograms,model,segments,segmentCostFunc,histogramNameFunc,description,unit){if(!unit)unit=tr.b.Unit.byName.unitlessNumber;const histogramMap=new Map();for(const category of ALL_CATEGORIES){const histogram=histograms.createHistogram(histogramNameFunc(category),unit,[],{binBoundaries:tr.v.HistogramBinBoundaries.createExponential(1,50,20),description,summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});histogramMap.set(category,histogram);}
-for(const[category,regexps]of CATEGORY_THREAD_MAP){const relatedCategories=new tr.v.d.RelatedNameMap();const histogram=histogramMap.get(category);for(const[otherCategory,otherRegexps]of CATEGORY_THREAD_MAP){if(otherCategory===category)continue;if(category!=='all'&&!isSubset_(otherRegexps,regexps))continue;const otherHistogram=histogramMap.get(otherCategory);relatedCategories.set(otherCategory,otherHistogram.name);}
-if([...relatedCategories.values()].length>0){histogram.diagnostics.set('breakdown',relatedCategories);}}
-for(const segment of segments){const threadValues=new Map();for(const thread of model.getAllThreads()){addValueToMap_(threadValues,thread.name||UNKNOWN_THREAD_NAME,segmentCostFunc(thread,segment));}
-const categoryValues=new Map();const breakdowns=new Map();for(const[threadName,coresPerSec]of threadValues){for(const category of getCategories_(threadName)){addValueToMap_(categoryValues,category,coresPerSec);if(!categoryShouldHaveBreakdown(category))continue;if(!breakdowns.has(category)){breakdowns.set(category,new tr.v.d.Breakdown());}
-breakdowns.get(category).set(threadName,coresPerSec);}}
-for(const category of ALL_CATEGORIES){const value=categoryValues.get(category)||0;const diagnostics=new tr.v.d.DiagnosticMap();const breakdown=breakdowns.get(category);if(breakdown)diagnostics.set('breakdown',breakdown);const histogram=histogramMap.get(category);histogram.addSample(value,diagnostics);}}}
+function addCpuUtilizationHistograms(histograms,model,segments,segmentCostFunc,histogramNameFunc,description){const categoryValues=new Map();for(const segment of segments){const threadValues=new Map();for(const thread of model.getAllThreads()){addValueToMap_(threadValues,thread.name||UNKNOWN_THREAD_NAME,segmentCostFunc(thread,segment));}
+for(const[threadName,coresPerSec]of threadValues){for(const category of getCategories_(threadName)){addToArrayInMap_(categoryValues,category,coresPerSec);}}}
+const unit=tr.b.Unit.byName.unitlessNumber_smallerIsBetter;for(const category of ALL_CATEGORIES){const values=categoryValues.get(category)||0;if(!values)continue;const avg=values.reduce((sum,e)=>sum+e,0)/segments.length;histograms.createHistogram(histogramNameFunc(category),unit,avg,{description,summaryOptions:{},});}}
 const SUMMARY_OPTIONS={percentile:[0.90,0.95],ci:[0.95],};return{addCpuUtilizationHistograms,SUMMARY_OPTIONS,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const PRESENT_EVENT='Display::FrameDisplayed';const DISPLAY_EVENT='BenchmarkInstrumentation::DisplayRenderingStats';const DRM_EVENT='DrmEventFlipComplete';const SURFACE_FLINGER_EVENT='vsync_before';const COMPOSITOR_FRAME_PRESENTED_EVENT='FramePresented';const MIN_FRAME_LENGTH=0.5;const MIN_FRAME_COUNT=10;const PAUSE_THRESHOLD=20;const ASH_ENVIRONMENT='ash';const BROWSER_ENVIRONMENT='browser';class FrameEvent{constructor(event){this.event_=event;}
 get eventStart(){return this.event_.start;}
 get frameStart(){if(this.event_.title!==DRM_EVENT)return this.event_.start;const data=this.event_.args.data;const TIME=tr.b.UnitScale.TIME;return tr.b.convertUnit(data['vblank.tv_sec'],TIME.SEC,TIME.MILLI_SEC)+
@@ -8531,11 +8328,11 @@
 return legacyEvents;}
 function computeFrameSegments_(events,segments,opt_minFrameCount){const minFrameCount=opt_minFrameCount||MIN_FRAME_COUNT;const frameEvents=events.map(e=>new FrameEvent(e));const frameSegments=[];for(const segment of segments){const filtered=segment.boundsRange.filterArray(frameEvents,x=>x.eventStart);if(filtered.length<minFrameCount)continue;for(let i=1;i<filtered.length;i++){const duration=filtered[i].frameStart-filtered[i-1].frameStart;frameSegments.push(new FrameSegment(filtered[i-1],duration));}}
 return frameSegments;}
-function addBasicFrameTimeHistograms_(histograms,frameSegments,prefix){const frameTimes=(frameSegments.length===0)?[0]:frameSegments.map(x=>x.duration);histograms.createHistogram(`${prefix}frame_times`,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,frameTimes,{binBoundaries:tr.v.HistogramBinBoundaries.createLinear(0,50,20),description:'Raw frame times.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});histograms.createHistogram(`${prefix}percentage_smooth`,tr.b.Unit.byName.unitlessNumber_biggerIsBetter,100*tr.b.math.Statistics.sum(frameTimes,(x=>(x<17?1:0)))/frameTimes.length,{description:'Percentage of frames that were hitting 60 FPS.',summaryOptions:{},});}
+function addBasicFrameTimeHistograms_(histograms,frameSegments,prefix){const frameTimes=(frameSegments.length===0)?[0]:frameSegments.map(x=>x.duration);histograms.createHistogram(`${prefix}frame_times`,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,frameTimes,{binBoundaries:tr.v.HistogramBinBoundaries.createLinear(0,50,20),description:'Raw frame times.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});}
 function addFrameTimeHistograms(histograms,model,segments,opt_minFrameCount){const minFrameCount=opt_minFrameCount||MIN_FRAME_COUNT;const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const events=getDisplayCompositorPresentationEvents_(modelHelper);if(!events)return;addFrameTimeHistogramsHelper(histograms,model,segments,events,'',true,minFrameCount);const eventsExp=getDisplayCompositorPresentationEventsExp_(modelHelper);if(eventsExp&&eventsExp.length>0){addFrameTimeHistogramsHelper(histograms,model,segments,eventsExp,'exp_',false,minFrameCount);}}
-function addFrameTimeHistogramsHelper(histograms,model,segments,events,prefix,addCpuMetrics,minFrameCount){const frameSegments=computeFrameSegments_(events,segments,minFrameCount);addBasicFrameTimeHistograms_(histograms,frameSegments,prefix+'');if(addCpuMetrics){tr.metrics.rendering.addCpuUtilizationHistograms(histograms,model,frameSegments,(thread,segment)=>thread.getCpuTimeForRange(segment.boundsRange),category=>`thread_${category}_cpu_time_per_frame`,'CPU cores of a thread group per frame',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);tr.metrics.rendering.addCpuUtilizationHistograms(histograms,model,frameSegments,(thread,segment)=>thread.getNumToplevelSlicesForRange(segment.boundsRange),category=>`tasks_per_frame_${category}`,'Number of tasks of a thread group per frame',tr.b.Unit.byName.unitlessNumber_smallerIsBetter);let totalWallTime=0;let totalCpuTime=0;for(const segment of frameSegments){for(const thread of model.getAllThreads()){totalCpuTime+=thread.getCpuTimeForRange(segment.boundsRange);totalWallTime+=thread.getWallTimeForRange(segment.boundsRange);}}
+function addFrameTimeHistogramsHelper(histograms,model,segments,events,prefix,addCpuMetrics,minFrameCount){const frameSegments=computeFrameSegments_(events,segments,minFrameCount);addBasicFrameTimeHistograms_(histograms,frameSegments,prefix+'');if(addCpuMetrics){tr.metrics.rendering.addCpuUtilizationHistograms(histograms,model,frameSegments,(thread,segment)=>thread.getCpuTimeForRange(segment.boundsRange),category=>`thread_${category}_cpu_time_per_frame`,'CPU cores of a thread group per frame');tr.metrics.rendering.addCpuUtilizationHistograms(histograms,model,frameSegments,(thread,segment)=>thread.getNumToplevelSlicesForRange(segment.boundsRange),category=>`tasks_per_frame_${category}`,'Number of tasks of a thread group per frame');let totalWallTime=0;let totalCpuTime=0;for(const segment of frameSegments){for(const thread of model.getAllThreads()){totalCpuTime+=thread.getCpuTimeForRange(segment.boundsRange);totalWallTime+=thread.getWallTimeForRange(segment.boundsRange);}}
 histograms.createHistogram('cpu_wall_time_ratio',tr.b.Unit.byName.unitlessNumber_biggerIsBetter,totalCpuTime/totalWallTime,{description:'Ratio of total cpu-time vs. wall-time.',summaryOptions:{},});}
-const refreshPeriod=getRefreshPeriod(model,frameSegments.map(fs=>fs.boundsRange));frameSegments.forEach(fs=>fs.updateLength(refreshPeriod));const validFrames=frameSegments.filter(fs=>fs.length>=MIN_FRAME_LENGTH);const totalFrameDuration=tr.b.math.Statistics.sum(frameSegments,fs=>fs.duration);addJankCountHistograms(histograms,validFrames,prefix);const frameLengths=validFrames.map(frame=>frame.length);histograms.createHistogram(prefix+'frame_lengths',tr.b.Unit.byName.unitlessNumber_smallerIsBetter,frameLengths,{binBoundaries:tr.v.HistogramBinBoundaries.createLinear(0,5,20),summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,description:'Frame times in vsyncs.'});histograms.createHistogram(prefix+'avg_surface_fps',tr.b.Unit.byName.unitlessNumber_biggerIsBetter,frameLengths.length/tr.b.convertUnit(totalFrameDuration,tr.b.UnitScale.TIME.MILLI_SEC,tr.b.UnitScale.TIME.SEC),{description:'Average frames per second.',summaryOptions:{},});}
+const refreshPeriod=getRefreshPeriod(model,frameSegments.map(fs=>fs.boundsRange));frameSegments.forEach(fs=>fs.updateLength(refreshPeriod));const validFrames=frameSegments.filter(fs=>fs.length>=MIN_FRAME_LENGTH);const totalFrameDuration=tr.b.math.Statistics.sum(frameSegments,fs=>fs.duration);addJankCountHistograms(histograms,validFrames,prefix);const frameLengths=validFrames.map(frame=>frame.length);histograms.createHistogram(prefix+'avg_surface_fps',tr.b.Unit.byName.unitlessNumber_biggerIsBetter,frameLengths.length/tr.b.convertUnit(totalFrameDuration,tr.b.UnitScale.TIME.MILLI_SEC,tr.b.UnitScale.TIME.SEC),{description:'Average frames per second.',summaryOptions:{},});}
 function addUIFrameTimeHistograms(histograms,model,segments,opt_minFrameCount){const minFrameCount=opt_minFrameCount||MIN_FRAME_COUNT;const events=getUIPresentationEvents_(model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper));if(events.length===0)return;const frameSegments=computeFrameSegments_(events,segments,minFrameCount);addBasicFrameTimeHistograms_(histograms,frameSegments,'ui_');}
 function addJankCountHistograms(histograms,validFrames,prefix){const jankEvents=[];for(let i=1;i<validFrames.length;i++){const change=Math.round((validFrames[i].length-validFrames[i-1].length));if(change>0&&change<PAUSE_THRESHOLD){jankEvents.push(validFrames[i].event);}}
 const jankCount=jankEvents.length;const diagnostics=new tr.v.d.DiagnosticMap();diagnostics.set('events',new tr.v.d.RelatedEventSet(jankEvents));diagnostics.set('timestamps',new tr.v.d.GenericSet(jankEvents.map(e=>e.start)));const histogram=histograms.createHistogram(prefix+'jank_count',tr.b.Unit.byName.count_smallerIsBetter,{value:jankCount,diagnostics},{description:'Number of changes in frame rate.',summaryOptions:{},});}
@@ -8546,30 +8343,7 @@
 return{addFrameTimeHistograms,addUIFrameTimeHistograms,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const RGB_DECODE_EVENT='ImageFrameGenerator::decode';const YUV_DECODE_EVENT='ImageFrameGenerator::decodeToYUV';const BLINK_GPU_RASTER_DECODE_EVENT='GpuImageDecodeCache::DecodeImage';const BLINK_SOFTWARE_RASTER_DECODE_EVENT='SoftwareImageDecodeCache::'+'DecodeImageInTask';function getImageDecodingEvents_(modelHelper,ranges){if(!modelHelper||!modelHelper.rendererHelpers)return[];const events=[];for(const renderer of Object.values(modelHelper.rendererHelpers)){for(const thread of renderer.rasterWorkerThreads){const slices=thread.sliceGroup;for(const slice of slices.getDescendantEventsInSortedRanges(ranges)){if(slice.title===RGB_DECODE_EVENT||slice.title===YUV_DECODE_EVENT||slice.title===BLINK_GPU_RASTER_DECODE_EVENT||slice.title===BLINK_SOFTWARE_RASTER_DECODE_EVENT){events.push(slice);}}}}
 return events;}
 function addImageDecodeTimeHistograms(histograms,model,segments){const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const decodeEvents=getImageDecodingEvents_(modelHelper,segments.map(s=>s.boundsRange));if(!decodeEvents)return;histograms.createHistogram('rgb_decode_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,decodeEvents.filter(slice=>slice.title===RGB_DECODE_EVENT).map(slice=>slice.cpuDuration),{description:'Duration of the Blink RGB decoding path for a chunk '+'of image data (possibly the whole image).',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});histograms.createHistogram('yuv_decode_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,decodeEvents.filter(slice=>slice.title===YUV_DECODE_EVENT).map(slice=>slice.cpuDuration),{description:'Duration of the Blink YUV decoding path for a '+'chunk of image data (possibly the whole image).',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});histograms.createHistogram('blink_decode_time_gpu_rasterization',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,decodeEvents.filter(slice=>slice.title===BLINK_GPU_RASTER_DECODE_EVENT).map(slice=>slice.cpuDuration),{description:'Duration of decoding and scaling within the '+'GpuImageDecodeCache for a chunk of image data '+'(possibly the whole image)',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});histograms.createHistogram('blink_decode_time_software_rasterization',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,decodeEvents.filter(slice=>slice.title===BLINK_SOFTWARE_RASTER_DECODE_EVENT).map(slice=>slice.cpuDuration),{description:'Duration of decoding and scaling within the '+'SoftwareImageDecodeCache for a chunk of image data '+'(possibly the whole image)',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});}
-return{addImageDecodeTimeHistograms};});'use strict';tr.exportTo('tr.metrics.rendering',function(){function eventIsValidGraphicsEvent_(event,eventMap){if(event.title!=='Graphics.Pipeline'||!event.bindId||!event.args||!event.args.step){return false;}
-const bindId=event.bindId;if(eventMap.has(bindId)&&event.args.step in eventMap.get(bindId)){if(event.args.step==='IssueBeginFrame'||event.args.step==='ReceiveBeginFrame'){throw new Error('Unexpected duplicate step: '+event.args.step);}
-return false;}
-return true;}
-function generateBreakdownForCompositorPipelineInClient_(flow){const breakdown=new tr.v.d.Breakdown();breakdown.set('time before GenerateRenderPass',flow.GenerateRenderPass.start-flow.ReceiveBeginFrame.start);breakdown.set('GenerateRenderPass duration',flow.GenerateRenderPass.duration);breakdown.set('GenerateCompositorFrame duration',flow.GenerateCompositorFrame.duration);breakdown.set('SubmitCompositorFrame duration',flow.SubmitCompositorFrame.duration);return breakdown;}
-function generateBreakdownForCompositorPipelineInService_(flow){const breakdown=new tr.v.d.Breakdown();breakdown.set('Processing CompositorFrame on reception',flow.ReceiveCompositorFrame.duration);breakdown.set('Delay before SurfaceAggregation',flow.SurfaceAggregation.start-flow.ReceiveCompositorFrame.end);breakdown.set('SurfaceAggregation duration',flow.SurfaceAggregation.duration);return breakdown;}
-function generateBreakdownForDraw_(drawEvent){const breakdown=new tr.v.d.Breakdown();for(const slice of drawEvent.subSlices){breakdown.set(slice.title,slice.duration);}
-return breakdown;}
-function getDisplayCompositorThread_(model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const gpuHelper=chromeHelper.gpuHelper;if(gpuHelper){const thread=gpuHelper.process.findAtMostOneThreadNamed('VizCompositorThread');if(thread){return thread;}}
-if(!chromeHelper.browserProcess)return null;return chromeHelper.browserProcess.findAtMostOneThreadNamed('CrBrowserMain');}
-function getRasterTaskTimes(sourceFrameNumber,model){const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const renderers=modelHelper.telemetryHelper.renderersWithIR;if(renderers.length===0)return;const rasterThreads=renderers[0].rasterWorkerThreads;let earliestStart=undefined;let lastEnd=undefined;for(const rasterThread of rasterThreads){for(const slice of[...rasterThread.findTopmostSlicesNamed('TaskGraphRunner::RunTask')]){if(slice.args&&slice.args.source_frame_number_&&slice.args.source_frame_number_===sourceFrameNumber){if(earliestStart===undefined||slice.start<earliestStart){earliestStart=slice.start;}
-if(lastEnd===undefined||slice.end>lastEnd){lastEnd=slice.end;}}}}
-return{start:earliestStart,end:lastEnd};}
-function addPipelineHistograms(histograms,model,segments){const ranges=segments.map(s=>s.boundsRange);const bindEvents=new Map();for(const thread of model.getAllThreads()){for(const event of thread.sliceGroup.childEvents()){if(!eventIsValidGraphicsEvent_(event,bindEvents))continue;for(const range of ranges){if(range.containsExplicitRangeInclusive(event.start,event.end)){if(!bindEvents.has(event.bindId))bindEvents.set(event.bindId,{});break;}}
-if(bindEvents.has(event.bindId)){bindEvents.get(event.bindId)[event.args.step]=event;}}}
-const dcThread=getDisplayCompositorThread_(model);const drawEvents={};if(dcThread){const events=[...dcThread.findTopmostSlicesNamed('Graphics.Pipeline.DrawAndSwap')];for(const segment of segments){const filteredEvents=segment.boundsRange.filterArray(events,evt=>evt.start);for(const event of filteredEvents){if((event.args&&event.args.status==='canceled')||!event.id.startsWith(':ptr:')){continue;}
-const id=parseInt(event.id.substring(5),16);if(id in drawEvents){throw new Error('Duplicate draw events: '+id);}
-drawEvents[id]=event;}}}
-const issueToReceipt=histograms.createHistogram('pipeline:begin_frame_transport',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'Latency of begin-frame message from the display '+'compositor to the client, including the IPC latency and task-'+'queue time in the client.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const issueToRasterStart=histograms.createHistogram('pipeline:begin_frame_to_raster_start',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'Latency between begin-frame message and '+'the beginning of the first CompositorTask run in the compositor.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const issueToRasterEnd=histograms.createHistogram('pipeline:begin_frame_to_raster_end',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'Latency between begin-frame message and '+'the end of the last CompositorTask run in the compositor.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const receiptToSubmit=histograms.createHistogram('pipeline:begin_frame_to_frame_submission',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'Latency between begin-frame reception and '+'CompositorFrame submission in the renderer.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const submitToAggregate=histograms.createHistogram('pipeline:frame_submission_to_display',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'Latency between CompositorFrame submission in the '+'renderer to display in the display-compositor, including IPC '+'latency, task-queue time in the display-compositor, and '+'additional processing (e.g. surface-sync etc.)',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});const aggregateToDraw=histograms.createHistogram('pipeline:draw',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],{description:'How long it takes for the gpu-swap step.',summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,});for(const flow of bindEvents.values()){if(!flow.IssueBeginFrame||!flow.ReceiveBeginFrame||!flow.SubmitCompositorFrame||!flow.SurfaceAggregation){continue;}
-issueToReceipt.addSample(flow.ReceiveBeginFrame.start-
-flow.IssueBeginFrame.start);receiptToSubmit.addSample(flow.SubmitCompositorFrame.end-flow.ReceiveBeginFrame.start,{breakdown:generateBreakdownForCompositorPipelineInClient_(flow)});submitToAggregate.addSample(flow.SurfaceAggregation.end-flow.SubmitCompositorFrame.end,{breakdown:generateBreakdownForCompositorPipelineInService_(flow)});if(flow.SubmitCompositorFrame.parentSlice){const sourceFrameNumber=flow.SubmitCompositorFrame.parentSlice.args.source_frame_number_;const rasterDuration=getRasterTaskTimes(sourceFrameNumber,model);if(rasterDuration&&rasterDuration.start&&rasterDuration.end){const receiveToStart=rasterDuration.start-
-flow.ReceiveBeginFrame.start;const receiveToEnd=rasterDuration.end-flow.ReceiveBeginFrame.end;if(receiveToEnd>0){issueToRasterStart.addSample(receiveToStart>0?receiveToStart:0);issueToRasterEnd.addSample(receiveToEnd);}}}
-if(flow.SurfaceAggregation.args&&flow.SurfaceAggregation.args.display_trace){const displayTrace=flow.SurfaceAggregation.args.display_trace;if(!(displayTrace in drawEvents))continue;const drawEvent=drawEvents[displayTrace];aggregateToDraw.addSample(drawEvent.duration,{breakdown:generateBreakdownForDraw_(drawEvent)});}}}
-return{addPipelineHistograms,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const IMPL_THREAD_RENDERING_STATS_EVENT='BenchmarkInstrumentation::ImplThreadRenderingStats';const VISIBLE_CONTENT_DATA='visible_content_area';const APPROXIMATED_VISIBLE_CONTENT_DATA='approximated_visible_content_area';const CHECKERBOARDED_VISIBLE_CONTENT_DATA='checkerboarded_visible_content_area';function addPixelsHistograms(histograms,model,segments){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper)return;const approximatedPixelPercentages=[];const checkerboardedPixelPercentages=[];const ranges=segments.map(s=>s.boundsRange);for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(rendererHelper.compositorThread===undefined)continue;const slices=rendererHelper.compositorThread.sliceGroup;for(const slice of slices.getDescendantEventsInSortedRanges(ranges)){if(slice.title!==IMPL_THREAD_RENDERING_STATS_EVENT)continue;const data=slice.args.data;if(!(VISIBLE_CONTENT_DATA in data)){throw new Error(`${VISIBLE_CONTENT_DATA} is missing`);}
+return{addImageDecodeTimeHistograms};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const IMPL_THREAD_RENDERING_STATS_EVENT='BenchmarkInstrumentation::ImplThreadRenderingStats';const VISIBLE_CONTENT_DATA='visible_content_area';const APPROXIMATED_VISIBLE_CONTENT_DATA='approximated_visible_content_area';const CHECKERBOARDED_VISIBLE_CONTENT_DATA='checkerboarded_visible_content_area';function addPixelsHistograms(histograms,model,segments){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper)return;const approximatedPixelPercentages=[];const checkerboardedPixelPercentages=[];const ranges=segments.map(s=>s.boundsRange);for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(rendererHelper.compositorThread===undefined)continue;const slices=rendererHelper.compositorThread.sliceGroup;for(const slice of slices.getDescendantEventsInSortedRanges(ranges)){if(slice.title!==IMPL_THREAD_RENDERING_STATS_EVENT)continue;const data=slice.args.data;if(!(VISIBLE_CONTENT_DATA in data)){throw new Error(`${VISIBLE_CONTENT_DATA} is missing`);}
 const visibleContentArea=data[VISIBLE_CONTENT_DATA];if(visibleContentArea===0){continue;}
 if(APPROXIMATED_VISIBLE_CONTENT_DATA in data){approximatedPixelPercentages.push(data[APPROXIMATED_VISIBLE_CONTENT_DATA]/visibleContentArea);}
 if(CHECKERBOARDED_VISIBLE_CONTENT_DATA in data){checkerboardedPixelPercentages.push(data[CHECKERBOARDED_VISIBLE_CONTENT_DATA]/visibleContentArea);}}}
@@ -8580,7 +8354,7 @@
 const queueingDurations=[];const ranges=segments.map(s=>s.boundsRange);for(const rendererHelper of targetRenderers){const mainThread=rendererHelper.mainThread;const compositorThread=rendererHelper.compositorThread;if(mainThread===undefined||compositorThread===undefined)continue;const beginMainFrameTimes=getEventTimesByBeginFrameId_(mainThread,BEGIN_MAIN_FRAME_EVENT,ranges);const sendBeginFrameTimes=getEventTimesByBeginFrameId_(compositorThread,SEND_BEGIN_FRAME_EVENT,ranges);for(const[id,time]of sendBeginFrameTimes){queueingDurations.push(beginMainFrameTimes.get(id)-time);}}
 histograms.createHistogram('queueing_durations',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,queueingDurations,{binBoundaries:tr.v.HistogramBinBoundaries.createExponential(0.01,2,20),summaryOptions:tr.metrics.rendering.SUMMARY_OPTIONS,description:'Time between ScheduledActionSendBeginMainFrame in '+'the compositor thread and the corresponding '+'BeginMainFrame in the main thread.'});}
 return{addQueueingDurationHistograms,};});'use strict';tr.exportTo('tr.metrics.rendering',function(){const GESTURE_EVENT='SyntheticGestureController::running';function renderingMetric(histograms,model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper)return;let segments=chromeHelper.telemetryHelper.irSegments;if(segments.length===0){segments=chromeHelper.telemetryHelper.animationSegments;}
-if(segments.length>0){tr.metrics.rendering.addFrameTimeHistograms(histograms,model,segments);tr.metrics.rendering.addImageDecodeTimeHistograms(histograms,model,segments);tr.metrics.rendering.addPipelineHistograms(histograms,model,segments);tr.metrics.rendering.addPixelsHistograms(histograms,model,segments);tr.metrics.rendering.addQueueingDurationHistograms(histograms,model,segments);}
+if(segments.length>0){tr.metrics.rendering.addFrameTimeHistograms(histograms,model,segments);tr.metrics.rendering.addImageDecodeTimeHistograms(histograms,model,segments);tr.metrics.rendering.addPixelsHistograms(histograms,model,segments);tr.metrics.rendering.addQueueingDurationHistograms(histograms,model,segments);}
 const uiSegments=chromeHelper.telemetryHelper.uiSegments;if(uiSegments.length>0){tr.metrics.rendering.addUIFrameTimeHistograms(histograms,model,chromeHelper.telemetryHelper.uiSegments);}}
 tr.metrics.MetricRegistry.register(renderingMetric,{requiredCategories:['benchmark','toplevel'],});return{renderingMetric,};});'use strict';tr.exportTo('tr.metrics',function(){const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const unitlessNumber_smallerIsBetter=tr.b.Unit.byName.unitlessNumber_smallerIsBetter;const EventFinderUtils=tr.e.chrome.EventFinderUtils;const METRIC_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,1e3,20).addLinearBins(3e3,20).addExponentialBins(80e3,30);const SUMMARY_OPTIONS={avg:true,count:false,max:true,min:true,std:true,sum:false,};function reportedByPageMetric(histograms,model){const timeToViewable=histograms.createHistogram('reported_by_page:time_to_viewable',timeDurationInMs_smallerIsBetter,[],{binBoundaries:METRIC_BOUNDARIES,description:'Time from navigation start'+'to telemetry:reported_by_page:viewable',summaryOptions:SUMMARY_OPTIONS,});const timeToInteractive=histograms.createHistogram('reported_by_page:time_to_interactive',timeDurationInMs_smallerIsBetter,[],{binBoundaries:METRIC_BOUNDARIES,description:'Time from navigation start '+'to telemetry:reported_by_page:interactive',summaryOptions:SUMMARY_OPTIONS,});const benchmarkTime=histograms.createHistogram('reported_by_page:benchmark_time',timeDurationInMs_smallerIsBetter,[],{binBoundaries:METRIC_BOUNDARIES,description:'Time from telemetry:reported_by_page:benchmark_begin '+'to telemetry:reported_by_page:benchmark_end',summaryOptions:SUMMARY_OPTIONS,});const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);for(const pid in chromeHelper.rendererHelpers){const rendererHelper=chromeHelper.rendererHelpers[pid];if(rendererHelper.isChromeTracingUI)continue;if(rendererHelper.mainThread===undefined)continue;measureUserTime(rendererHelper,'navigationStart','telemetry:reported_by_page:viewable',timeToViewable);measureUserTime(rendererHelper,'navigationStart','telemetry:reported_by_page:interactive',timeToInteractive);measureUserTime(rendererHelper,'telemetry:reported_by_page:benchmark_begin','telemetry:reported_by_page:benchmark_end',benchmarkTime);}}
 function measureUserTime(rendererHelper,startName,endName,histogram){const startEventByNavId=new Map();for(const event of rendererHelper.mainThread.sliceGroup.childEvents()){const navId=getNavigationId(event);if(!navId)continue;if(EventFinderUtils.hasCategoryAndName(event,'blink.user_timing',startName)){startEventByNavId.set(navId,event);}
@@ -8682,7 +8456,7 @@
 const rendererHelper=chromeHelper.rendererHelpers[expectation.renderProcess.pid];addRectsBasedSpeedIndexSample(rectsBasedSpeedIndexSamples,rendererHelper,expectation.navigationStart.start,expectation.duration,expectation.navigationStart.args.frame);}
 return rectsBasedSpeedIndexSamples;}
 function rectsBasedSpeedIndexMetric(histograms,model){const rectsBasedSpeedIndexHistogram=histograms.createHistogram('rectsBasedSpeedIndex',timeDurationInMs_smallerIsBetter,[],{binBoundaries:BIN_BOUNDARIES,description:' the average time at which visible parts of the'+' page are displayed (in ms).',summaryOptions:SUMMARY_OPTIONS,});const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const samples=collectRectsBasedSpeedIndexSamplesFromLoadExpectations(model,chromeHelper);for(const sample of samples){rectsBasedSpeedIndexHistogram.addSample(sample.value);}}
-tr.metrics.MetricRegistry.register(rectsBasedSpeedIndexMetric);return{rectsBasedSpeedIndexMetric};});'use strict';tr.exportTo('tr.metrics.sh',function(){const LONG_TASK_THRESHOLD_MS=50;const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const unitlessNumber_smallerIsBetter=tr.b.Unit.byName.unitlessNumber_smallerIsBetter;const RelatedEventSet=tr.v.d.RelatedEventSet;const hasCategoryAndName=tr.metrics.sh.hasCategoryAndName;const EventFinderUtils=tr.e.chrome.EventFinderUtils;function createBreakdownDiagnostic(breakdownTree){const breakdownDiagnostic=new tr.v.d.Breakdown();breakdownDiagnostic.colorScheme=tr.v.d.COLOR_SCHEME_CHROME_USER_FRIENDLY_CATEGORY_DRIVER;for(const label in breakdownTree){breakdownDiagnostic.set(label,breakdownTree[label].total);}
+tr.metrics.MetricRegistry.register(rectsBasedSpeedIndexMetric);return{rectsBasedSpeedIndexMetric};});'use strict';tr.exportTo('tr.v.d',function(){const ALERT_GROUPS={CPU_USAGE:'cpu_usage',LOADING_PAINT:'loading_paint',LOADING_INTERACTIVITY:'loading_interactivity',LOADING_LAYOUT:'loading_layout',};return{ALERT_GROUPS,};});'use strict';tr.exportTo('tr.metrics.sh',function(){const LONG_TASK_THRESHOLD_MS=50;const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const unitlessNumber_smallerIsBetter=tr.b.Unit.byName.unitlessNumber_smallerIsBetter;const RelatedEventSet=tr.v.d.RelatedEventSet;const hasCategoryAndName=tr.metrics.sh.hasCategoryAndName;const EventFinderUtils=tr.e.chrome.EventFinderUtils;function createBreakdownDiagnostic(breakdownTree){const breakdownDiagnostic=new tr.v.d.Breakdown();breakdownDiagnostic.colorScheme=tr.v.d.COLOR_SCHEME_CHROME_USER_FRIENDLY_CATEGORY_DRIVER;for(const label in breakdownTree){breakdownDiagnostic.set(label,breakdownTree[label].total);}
 return breakdownDiagnostic;}
 const LOADING_METRIC_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,1e3,20).addLinearBins(3e3,20).addExponentialBins(20e3,20);const TIME_TO_INTERACTIVE_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,40e3,35).addExponentialBins(80e3,15);const LAYOUT_SHIFT_SCORE_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,50,25);const SUMMARY_OPTIONS={avg:true,count:false,max:true,min:true,std:true,sum:false,};function findFrameLoaderSnapshotAt(rendererHelper,frameIdRef,ts){const objects=rendererHelper.process.objects;const frameLoaderInstances=objects.instancesByTypeName_.FrameLoader;if(frameLoaderInstances===undefined)return undefined;let snapshot;for(const instance of frameLoaderInstances){if(!instance.isAliveAt(ts))continue;const maybeSnapshot=instance.getSnapshotAt(ts);if(frameIdRef!==maybeSnapshot.args.frame.id_ref)continue;snapshot=maybeSnapshot;}
 return snapshot;}
@@ -8703,7 +8477,7 @@
 function findLayoutShiftSamples(rendererHelper){let sample;EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'LayoutShift','loading').forEach((events)=>{const evData=events.pop().args.data;if(evData.is_main_frame){sample={value:evData.cumulative_score};}});return sample?[sample]:[];}
 function addFirstMeaningfulPaintSample(samples,rendererHelper,navigationStart,fmpMarkerEvent,url){const navStartToFMPRange=tr.b.math.Range.fromExplicitRange(navigationStart.start,fmpMarkerEvent.start);const networkEvents=EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,navStartToFMPRange);const timeToFirstMeaningfulPaint=navStartToFMPRange.duration;const breakdownTree=tr.metrics.sh.generateWallClockTimeBreakdownTree(rendererHelper.mainThread,networkEvents,navStartToFMPRange);samples.push({value:timeToFirstMeaningfulPaint,breakdownTree,diagnostics:{breakdown:createBreakdownDiagnostic(breakdownTree),start:new RelatedEventSet(navigationStart),end:new RelatedEventSet(fmpMarkerEvent),infos:new tr.v.d.GenericSet([{url,pid:rendererHelper.pid,start:navigationStart.start,fmp:fmpMarkerEvent.start,}]),}});}
 function addFirstMeaningfulPaintCpuTimeSample(samples,rendererHelper,navigationStart,fmpMarkerEvent,url){const navStartToFMPRange=tr.b.math.Range.fromExplicitRange(navigationStart.start,fmpMarkerEvent.start);const mainThreadCpuTime=rendererHelper.mainThread.getCpuTimeForRange(navStartToFMPRange);const breakdownTree=tr.metrics.sh.generateCpuTimeBreakdownTree(rendererHelper.mainThread,navStartToFMPRange);samples.push({value:mainThreadCpuTime,breakdownTree,diagnostics:{breakdown:createBreakdownDiagnostic(breakdownTree),start:new RelatedEventSet(navigationStart),end:new RelatedEventSet(fmpMarkerEvent),infos:new tr.v.d.GenericSet([{url,pid:rendererHelper.pid,start:navigationStart.start,fmp:fmpMarkerEvent.start,}]),}});}
-function decorateInteractivitySampleWithDiagnostics_(rendererHelper,eventTimestamp,navigationStartEvent,firstMeaningfulPaintTime,domContentLoadedEndTime,url){if(eventTimestamp===undefined)return undefined;const navigationStartTime=navigationStartEvent.start;const navStartToEventTimeRange=tr.b.math.Range.fromExplicitRange(navigationStartTime,eventTimestamp);const networkEvents=EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,navStartToEventTimeRange);const breakdownTree=tr.metrics.sh.generateWallClockTimeBreakdownTree(rendererHelper.mainThread,networkEvents,navStartToEventTimeRange);const breakdownDiagnostic=createBreakdownDiagnostic(breakdownTree);return{value:navStartToEventTimeRange.duration,diagnostics:tr.v.d.DiagnosticMap.fromObject({'Start':new RelatedEventSet(navigationStartEvent),'Navigation infos':new tr.v.d.GenericSet([{url,pid:rendererHelper.pid,navigationStartTime,firstMeaningfulPaintTime,domContentLoadedEndTime,eventTimestamp,}]),'Breakdown of [navStart, eventTimestamp]':breakdownDiagnostic,}),};}
+function decorateInteractivitySampleWithDiagnostics_(rendererHelper,eventTimestamp,navigationStartEvent,firstContentfulPaintTime,domContentLoadedEndTime,url){if(eventTimestamp===undefined)return undefined;const navigationStartTime=navigationStartEvent.start;const navStartToEventTimeRange=tr.b.math.Range.fromExplicitRange(navigationStartTime,eventTimestamp);const networkEvents=EventFinderUtils.getNetworkEventsInRange(rendererHelper.process,navStartToEventTimeRange);const breakdownTree=tr.metrics.sh.generateWallClockTimeBreakdownTree(rendererHelper.mainThread,networkEvents,navStartToEventTimeRange);const breakdownDiagnostic=createBreakdownDiagnostic(breakdownTree);return{value:navStartToEventTimeRange.duration,diagnostics:tr.v.d.DiagnosticMap.fromObject({'Start':new RelatedEventSet(navigationStartEvent),'Navigation infos':new tr.v.d.GenericSet([{url,pid:rendererHelper.pid,navigationStartTime,firstContentfulPaintTime,domContentLoadedEndTime,eventTimestamp,}]),'Breakdown of [navStart, eventTimestamp]':breakdownDiagnostic,}),};}
 function getCandidateIndex(entry){return entry.targetEvent.args.data.candidateIndex;}
 function findLastCandidateForEachNavigation(timeToXEntries){const entryMap=new Map();for(const e of timeToXEntries){const navStartEvent=e.navigationStartEvent;if(!entryMap.has(navStartEvent)){entryMap.set(navStartEvent,[]);}
 entryMap.get(navStartEvent).push(e);}
@@ -8714,16 +8488,17 @@
 function findLargestImagePaintSamples(rendererHelper,frameToNavStartEvents,navIdToNavStartEvents){const timeToPaintEntries=findTimeToXEntries('loading','LargestImagePaint::Candidate',rendererHelper,frameToNavStartEvents,navIdToNavStartEvents);const timeToPaintBlockingEntries=findTimeToXEntries('loading','LargestImagePaint::NoCandidate',rendererHelper,frameToNavStartEvents,navIdToNavStartEvents);const lastCandidateEvents=findLastCandidateForEachNavigation(timeToPaintEntries.concat(timeToPaintBlockingEntries)).filter(event=>event.targetEvent.title!=='LargestImagePaint::NoCandidate');return collectTimeToEvent(rendererHelper,lastCandidateEvents);}
 function findLargestContentfulPaintHistogramSamples(allBrowserEvents){const lcp=new tr.e.chrome.LargestContentfulPaint(allBrowserEvents);const lcpSamples=lcp.findCandidates().map(candidate=>{const{durationInMilliseconds,size,type,inMainFrame,mainFrameTreeNodeId}=candidate;return{value:durationInMilliseconds,diagnostics:{size:new tr.v.d.GenericSet([size]),type:new tr.v.d.GenericSet([type]),inMainFrame:new tr.v.d.GenericSet([inMainFrame]),mainFrameTreeNodeId:new tr.v.d.GenericSet([mainFrameTreeNodeId]),},};});return lcpSamples;}
 function collectLoadingMetricsForRenderer(rendererHelper){const frameToNavStartEvents=EventFinderUtils.getSortedMainThreadEventsByFrame(rendererHelper,'navigationStart','blink.user_timing');const navIdToNavStartEvents=EventFinderUtils.getSortedMainThreadEventsByNavId(rendererHelper,'navigationStart','blink.user_timing');const firstPaintSamples=collectTimeToEvent(rendererHelper,findTimeToXEntries('loading','firstPaint',rendererHelper,frameToNavStartEvents,navIdToNavStartEvents));const timeToFCPEntries=findTimeToXEntries('loading','firstContentfulPaint',rendererHelper,frameToNavStartEvents,navIdToNavStartEvents);const firstContentfulPaintSamples=collectTimeToEvent(rendererHelper,timeToFCPEntries);const firstContentfulPaintCpuTimeSamples=collectTimeToEventInCpuTime(rendererHelper,timeToFCPEntries);const onLoadSamples=collectTimeToEvent(rendererHelper,findTimeToXEntries('blink.user_timing','loadEventStart',rendererHelper,frameToNavStartEvents,navIdToNavStartEvents));const aboveTheFoldLoadedToVisibleSamples=getAboveTheFoldLoadedToVisibleSamples(rendererHelper);const firstViewportReadySamples=getFirstViewportReadySamples(rendererHelper,navIdToNavStartEvents);const largestImagePaintSamples=findLargestImagePaintSamples(rendererHelper,frameToNavStartEvents,navIdToNavStartEvents);const largestTextPaintSamples=findLargestTextPaintSamples(rendererHelper,frameToNavStartEvents,navIdToNavStartEvents);const layoutShiftSamples=findLayoutShiftSamples(rendererHelper);const navigationStartSamples=timeToFCPEntries.map(entry=>{return{value:entry.navigationStartEvent.start};});return{frameToNavStartEvents,firstPaintSamples,firstContentfulPaintSamples,firstContentfulPaintCpuTimeSamples,onLoadSamples,aboveTheFoldLoadedToVisibleSamples,firstViewportReadySamples,largestImagePaintSamples,largestTextPaintSamples,layoutShiftSamples,navigationStartSamples,};}
-function collectMetricsFromLoadExpectations(model,chromeHelper){const interactiveSamples=[];const firstCpuIdleSamples=[];const firstMeaningfulPaintSamples=[];const firstMeaningfulPaintCpuTimeSamples=[];for(const expectation of model.userModel.expectations){if(!(expectation instanceof tr.model.um.LoadExpectation))continue;if(tr.e.chrome.CHROME_INTERNAL_URLS.includes(expectation.url)){continue;}
+function collectMetricsFromLoadExpectations(model,chromeHelper){const interactiveSamples=[];const firstCpuIdleSamples=[];const firstMeaningfulPaintSamples=[];const firstMeaningfulPaintCpuTimeSamples=[];const totalBlockingTimeSamples=[];for(const expectation of model.userModel.expectations){if(!(expectation instanceof tr.model.um.LoadExpectation))continue;if(tr.e.chrome.CHROME_INTERNAL_URLS.includes(expectation.url)){continue;}
 const rendererHelper=chromeHelper.rendererHelpers[expectation.renderProcess.pid];if(expectation.fmpEvent!==undefined){addFirstMeaningfulPaintSample(firstMeaningfulPaintSamples,rendererHelper,expectation.navigationStart,expectation.fmpEvent,expectation.url);addFirstMeaningfulPaintCpuTimeSample(firstMeaningfulPaintCpuTimeSamples,rendererHelper,expectation.navigationStart,expectation.fmpEvent,expectation.url);}
-if(expectation.firstCpuIdleTime!==undefined){firstCpuIdleSamples.push(decorateInteractivitySampleWithDiagnostics_(rendererHelper,expectation.firstCpuIdleTime,expectation.navigationStart,expectation.fmpEvent.start,expectation.domContentLoadedEndEvent.start,expectation.url));}
-if(expectation.timeToInteractive!==undefined){interactiveSamples.push(decorateInteractivitySampleWithDiagnostics_(rendererHelper,expectation.timeToInteractive,expectation.navigationStart,expectation.fmpEvent.start,expectation.domContentLoadedEndEvent.start,expectation.url));}}
-return{firstMeaningfulPaintSamples,firstMeaningfulPaintCpuTimeSamples,firstCpuIdleSamples,interactiveSamples,};}
+if(expectation.firstCpuIdleTime!==undefined){firstCpuIdleSamples.push(decorateInteractivitySampleWithDiagnostics_(rendererHelper,expectation.firstCpuIdleTime,expectation.navigationStart,expectation.fcpEvent.start,expectation.domContentLoadedEndEvent.start,expectation.url));}
+if(expectation.timeToInteractive!==undefined){interactiveSamples.push(decorateInteractivitySampleWithDiagnostics_(rendererHelper,expectation.timeToInteractive,expectation.navigationStart,expectation.fcpEvent.start,expectation.domContentLoadedEndEvent.start,expectation.url));}
+if(expectation.totalBlockingTime!==undefined){totalBlockingTimeSamples.push({value:expectation.totalBlockingTime,diagnostics:{url:new tr.v.d.GenericSet([expectation.url]),navigationStart:new RelatedEventSet(expectation.navigationStart),firstContentfulPaint:new RelatedEventSet(expectation.fcpEvent),interactiveTime:new tr.v.d.GenericSet([expectation.timeToInteractive]),}});}}
+return{firstMeaningfulPaintSamples,firstMeaningfulPaintCpuTimeSamples,firstCpuIdleSamples,interactiveSamples,totalBlockingTimeSamples,};}
 function addSamplesToHistogram(samples,histogram,histograms){for(const sample of samples){histogram.addSample(sample.value,sample.diagnostics);if(histogram.name!=='timeToFirstContentfulPaint')continue;if(!sample.breakdownTree)continue;for(const[category,breakdown]of Object.entries(sample.breakdownTree)){const relatedName=`${histogram.name}:${category}`;let relatedHist=histograms.getHistogramsNamed(relatedName)[0];if(!relatedHist){relatedHist=histograms.createHistogram(relatedName,histogram.unit,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,summaryOptions:{count:false,max:false,min:false,sum:false,},});let relatedNames=histogram.diagnostics.get('breakdown');if(!relatedNames){relatedNames=new tr.v.d.RelatedNameMap();histogram.diagnostics.set('breakdown',relatedNames);}
 relatedNames.set(category,relatedName);}
 relatedHist.addSample(breakdown.total,{breakdown:tr.v.d.Breakdown.fromEntries(Object.entries(breakdown.events)),});}}}
-function loadingMetric(histograms,model){const firstPaintHistogram=histograms.createHistogram('timeToFirstPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first paint',summaryOptions:SUMMARY_OPTIONS,});const firstContentfulPaintHistogram=histograms.createHistogram('timeToFirstContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first contentful paint',summaryOptions:SUMMARY_OPTIONS,});const firstContentfulPaintCpuTimeHistogram=histograms.createHistogram('cpuTimeToFirstContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'CPU time to first contentful paint',summaryOptions:SUMMARY_OPTIONS,});const onLoadHistogram=histograms.createHistogram('timeToOnload',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to onload. '+'This is temporary metric used for PCv1/v2 sanity checking',summaryOptions:SUMMARY_OPTIONS,});const firstMeaningfulPaintHistogram=histograms.createHistogram('timeToFirstMeaningfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first meaningful paint',summaryOptions:SUMMARY_OPTIONS,});const firstMeaningfulPaintCpuTimeHistogram=histograms.createHistogram('cpuTimeToFirstMeaningfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'CPU time to first meaningful paint',summaryOptions:SUMMARY_OPTIONS,});const timeToInteractiveHistogram=histograms.createHistogram('timeToInteractive',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time to Interactive',summaryOptions:SUMMARY_OPTIONS,});const timeToFirstCpuIdleHistogram=histograms.createHistogram('timeToFirstCpuIdle',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time to First CPU Idle',summaryOptions:SUMMARY_OPTIONS,});const aboveTheFoldLoadedToVisibleHistogram=histograms.createHistogram('aboveTheFoldLoadedToVisible',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time from first visible to load for AMP pages only.',summaryOptions:SUMMARY_OPTIONS,});const firstViewportReadyHistogram=histograms.createHistogram('timeToFirstViewportReady',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time from navigation to load for AMP pages only. ',summaryOptions:SUMMARY_OPTIONS,});const largestImagePaintHistogram=histograms.createHistogram('largestImagePaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Image Paint',summaryOptions:SUMMARY_OPTIONS,});const largestTextPaintHistogram=histograms.createHistogram('largestTextPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Text Paint',summaryOptions:SUMMARY_OPTIONS,});const largestContentfulPaintHistogram=histograms.createHistogram('largestContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Contentful Paint',summaryOptions:SUMMARY_OPTIONS,});const layoutShiftHistogram=histograms.createHistogram('mainFrameCumulativeLayoutShift',unitlessNumber_smallerIsBetter,[],{binBoundaries:LAYOUT_SHIFT_SCORE_BOUNDARIES,description:'Main Frame Document Cumulative Layout Shift Score',summaryOptions:SUMMARY_OPTIONS,});const navigationStartHistogram=histograms.createHistogram('navigationStart',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'navigationStart',summaryOptions:SUMMARY_OPTIONS,});tr.metrics.sh.rectsBasedSpeedIndexMetric(histograms,model);const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);for(const pid in chromeHelper.rendererHelpers){const rendererHelper=chromeHelper.rendererHelpers[pid];if(rendererHelper.isChromeTracingUI)continue;const samplesSet=collectLoadingMetricsForRenderer(rendererHelper);const lcpSamples=findLargestContentfulPaintHistogramSamples(chromeHelper.browserHelper.mainThread.sliceGroup.slices);addSamplesToHistogram(lcpSamples,largestContentfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstPaintSamples,firstPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstContentfulPaintSamples,firstContentfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstContentfulPaintCpuTimeSamples,firstContentfulPaintCpuTimeHistogram,histograms);addSamplesToHistogram(samplesSet.onLoadSamples,onLoadHistogram,histograms);addSamplesToHistogram(samplesSet.aboveTheFoldLoadedToVisibleSamples,aboveTheFoldLoadedToVisibleHistogram,histograms);addSamplesToHistogram(samplesSet.firstViewportReadySamples,firstViewportReadyHistogram,histograms);addSamplesToHistogram(samplesSet.largestImagePaintSamples,largestImagePaintHistogram,histograms);addSamplesToHistogram(samplesSet.largestTextPaintSamples,largestTextPaintHistogram,histograms);addSamplesToHistogram(samplesSet.layoutShiftSamples,layoutShiftHistogram,histograms);addSamplesToHistogram(samplesSet.navigationStartSamples,navigationStartHistogram,histograms);}
-const samplesSet=collectMetricsFromLoadExpectations(model,chromeHelper);addSamplesToHistogram(samplesSet.firstMeaningfulPaintSamples,firstMeaningfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstMeaningfulPaintCpuTimeSamples,firstMeaningfulPaintCpuTimeHistogram,histograms);addSamplesToHistogram(samplesSet.interactiveSamples,timeToInteractiveHistogram,histograms);addSamplesToHistogram(samplesSet.firstCpuIdleSamples,timeToFirstCpuIdleHistogram,histograms);}
+function loadingMetric(histograms,model){const firstPaintHistogram=histograms.createHistogram('timeToFirstPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const firstContentfulPaintHistogram=histograms.createHistogram('timeToFirstContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first contentful paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const firstContentfulPaintCpuTimeHistogram=histograms.createHistogram('cpuTimeToFirstContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'CPU time to first contentful paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const onLoadHistogram=histograms.createHistogram('timeToOnload',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to onload. '+'This is temporary metric used for PCv1/v2 sanity checking',summaryOptions:SUMMARY_OPTIONS,});const firstMeaningfulPaintHistogram=histograms.createHistogram('timeToFirstMeaningfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'time to first meaningful paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const firstMeaningfulPaintCpuTimeHistogram=histograms.createHistogram('cpuTimeToFirstMeaningfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'CPU time to first meaningful paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const timeToInteractiveHistogram=histograms.createHistogram('timeToInteractive',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time to Interactive',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_INTERACTIVITY],});const totalBlockingTimeHistogram=histograms.createHistogram('totalBlockingTime',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Total Blocking Time',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_INTERACTIVITY],});const timeToFirstCpuIdleHistogram=histograms.createHistogram('timeToFirstCpuIdle',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time to First CPU Idle',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_INTERACTIVITY],});const aboveTheFoldLoadedToVisibleHistogram=histograms.createHistogram('aboveTheFoldLoadedToVisible',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time from first visible to load for AMP pages only.',summaryOptions:SUMMARY_OPTIONS,});const firstViewportReadyHistogram=histograms.createHistogram('timeToFirstViewportReady',timeDurationInMs_smallerIsBetter,[],{binBoundaries:TIME_TO_INTERACTIVE_BOUNDARIES,description:'Time from navigation to load for AMP pages only. ',summaryOptions:SUMMARY_OPTIONS,});const largestImagePaintHistogram=histograms.createHistogram('largestImagePaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Image Paint',summaryOptions:SUMMARY_OPTIONS,});const largestTextPaintHistogram=histograms.createHistogram('largestTextPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Text Paint',summaryOptions:SUMMARY_OPTIONS,});const largestContentfulPaintHistogram=histograms.createHistogram('largestContentfulPaint',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'Time to Largest Contentful Paint',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_PAINT],});const layoutShiftHistogram=histograms.createHistogram('mainFrameCumulativeLayoutShift',unitlessNumber_smallerIsBetter,[],{binBoundaries:LAYOUT_SHIFT_SCORE_BOUNDARIES,description:'Main Frame Document Cumulative Layout Shift Score',summaryOptions:SUMMARY_OPTIONS,alertGrouping:[tr.v.d.ALERT_GROUPS.LOADING_LAYOUT],});const navigationStartHistogram=histograms.createHistogram('navigationStart',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'navigationStart',summaryOptions:SUMMARY_OPTIONS,});tr.metrics.sh.rectsBasedSpeedIndexMetric(histograms,model);const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);for(const pid in chromeHelper.rendererHelpers){const rendererHelper=chromeHelper.rendererHelpers[pid];if(rendererHelper.isChromeTracingUI)continue;const samplesSet=collectLoadingMetricsForRenderer(rendererHelper);const lcpSamples=findLargestContentfulPaintHistogramSamples(chromeHelper.browserHelper.mainThread.sliceGroup.slices);addSamplesToHistogram(lcpSamples,largestContentfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstPaintSamples,firstPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstContentfulPaintSamples,firstContentfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstContentfulPaintCpuTimeSamples,firstContentfulPaintCpuTimeHistogram,histograms);addSamplesToHistogram(samplesSet.onLoadSamples,onLoadHistogram,histograms);addSamplesToHistogram(samplesSet.aboveTheFoldLoadedToVisibleSamples,aboveTheFoldLoadedToVisibleHistogram,histograms);addSamplesToHistogram(samplesSet.firstViewportReadySamples,firstViewportReadyHistogram,histograms);addSamplesToHistogram(samplesSet.largestImagePaintSamples,largestImagePaintHistogram,histograms);addSamplesToHistogram(samplesSet.largestTextPaintSamples,largestTextPaintHistogram,histograms);addSamplesToHistogram(samplesSet.layoutShiftSamples,layoutShiftHistogram,histograms);addSamplesToHistogram(samplesSet.navigationStartSamples,navigationStartHistogram,histograms);}
+const samplesSet=collectMetricsFromLoadExpectations(model,chromeHelper);addSamplesToHistogram(samplesSet.firstMeaningfulPaintSamples,firstMeaningfulPaintHistogram,histograms);addSamplesToHistogram(samplesSet.firstMeaningfulPaintCpuTimeSamples,firstMeaningfulPaintCpuTimeHistogram,histograms);addSamplesToHistogram(samplesSet.interactiveSamples,timeToInteractiveHistogram,histograms);addSamplesToHistogram(samplesSet.firstCpuIdleSamples,timeToFirstCpuIdleHistogram,histograms);addSamplesToHistogram(samplesSet.totalBlockingTimeSamples,totalBlockingTimeHistogram,histograms);}
 tr.metrics.MetricRegistry.register(loadingMetric);return{loadingMetric,createBreakdownDiagnostic};});'use strict';tr.exportTo('tr.metrics',function(){const SPA_NAVIGATION_START_TO_FIRST_PAINT_DURATION_BIN_BOUNDARY=tr.v.HistogramBinBoundaries.createExponential(1,1000,50);function spaNavigationMetric(histograms,model){const histogram=new tr.v.Histogram('spaNavigationStartToFpDuration',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,SPA_NAVIGATION_START_TO_FIRST_PAINT_DURATION_BIN_BOUNDARY);histogram.description='Latency between the input event causing'+' a SPA navigation and the first paint event after it';histogram.customizeSummaryOptions({count:false,sum:false,});const modelHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!modelHelper){return;}
 const rendererHelpers=modelHelper.rendererHelpers;if(!rendererHelpers){return;}
 const browserHelper=modelHelper.browserHelper;for(const rendererHelper of Object.values(rendererHelpers)){const spaNavigations=tr.metrics.findSpaNavigationsOnRenderer(rendererHelper,browserHelper);for(const spaNav of spaNavigations){let beginTs=0;if(spaNav.navStartCandidates.inputLatencyAsyncSlice){const beginData=spaNav.navStartCandidates.inputLatencyAsyncSlice.args.data;beginTs=model.convertTimestampToModelTime('traceEventClock',beginData.INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT.time);}else{beginTs=spaNav.navStartCandidates.goToIndexSlice.start;}
@@ -8737,7 +8512,7 @@
 let processCpuTime=0;for(const tid in process.threads){const thread=process.threads[tid];processCpuTime+=thread.getCpuTimeForRange(rangeOfInterest);}
 allProcessCpuTime+=processCpuTime;}
 let normalizedAllProcessCpuTime=0;if(rangeOfInterest.duration>0){normalizedAllProcessCpuTime=allProcessCpuTime/rangeOfInterest.duration;}
-const unit=tr.b.Unit.byName.normalizedPercentage_smallerIsBetter;const cpuTimeHist=new tr.v.Histogram('cpu_time_percentage',unit,CPU_TIME_PERCENTAGE_BOUNDARIES);cpuTimeHist.description='Percent CPU utilization, normalized against a single core. Can be '+'greater than 100% if machine has multiple cores.';cpuTimeHist.customizeSummaryOptions({avg:true,count:false,max:false,min:false,std:false,sum:false});cpuTimeHist.addSample(normalizedAllProcessCpuTime);histograms.addHistogram(cpuTimeHist);}
+const unit=tr.b.Unit.byName.normalizedPercentage_smallerIsBetter;const cpuTimeHist=new tr.v.Histogram('cpu_time_percentage',unit,CPU_TIME_PERCENTAGE_BOUNDARIES);cpuTimeHist.description='Percent CPU utilization, normalized against a single core. Can be '+'greater than 100% if machine has multiple cores.';cpuTimeHist.setAlertGrouping([tr.v.d.ALERT_GROUPS.CPU_USAGE]);cpuTimeHist.customizeSummaryOptions({avg:true,count:false,max:false,min:false,std:false,sum:false});cpuTimeHist.addSample(normalizedAllProcessCpuTime);histograms.addHistogram(cpuTimeHist);}
 tr.metrics.MetricRegistry.register(cpuTimeMetric,{supportsRangeOfInterest:true});return{cpuTimeMetric,};});'use strict';tr.exportTo('tr.v',function(){class HistogramDeserializer{static deserialize(data){const deserializer=new HistogramDeserializer(data[0],data[1]);return data.slice(2).map(datum=>tr.v.Histogram.deserialize(datum,deserializer));}
 constructor(objects,diagnostics){this.objects_=objects;this.diagnostics_=[];for(const[type,diagnosticsByName]of Object.entries(diagnostics||{})){for(const[name,diagnosticsById]of Object.entries(diagnosticsByName)){for(const[id,data]of Object.entries(diagnosticsById)){const diagnostic=tr.v.d.Diagnostic.deserialize(type,data,this);this.diagnostics_[parseInt(id)]={name,diagnostic};}}}}
 getObject(id){return this.objects_[id];}
@@ -9173,13 +8948,16 @@
 const rendererHelper=chromeHelper.rendererHelpers[expectation.renderProcess.pid];addSpeedIndexScreenshotsBasedSample(speedIndexScreenshotsBasedSamples,expectation.navigationStart,expectation.duration,chromeHelper.browserHelper);}
 return speedIndexScreenshotsBasedSamples;}
 function screenshotsBasedSpeedIndexMetric(histograms,model){const speedIndexScreenshotsBasedHistogram=histograms.createHistogram('speedIndexScreenshotsBased',timeDurationInMs_smallerIsBetter,[],{binBoundaries:LOADING_METRIC_BOUNDARIES,description:'The average time at which visible parts of the'+' page are displayed.',summaryOptions:SUMMARY_OPTIONS,});const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const samples=collectSpeedIndexSamplesFromLoadExpectations(model,chromeHelper);for(const sample of samples){speedIndexScreenshotsBasedHistogram.addSample(sample.value);}}
-tr.metrics.MetricRegistry.register(screenshotsBasedSpeedIndexMetric);return{screenshotsBasedSpeedIndexMetric};});'use strict';tr.exportTo('tr.metrics.sh',function(){function webviewStartupMetric(histograms,model){const startupWallHist=new tr.v.Histogram('webview_startup_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);startupWallHist.description='WebView startup wall time';const startupCPUHist=new tr.v.Histogram('webview_startup_cpu_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);startupCPUHist.description='WebView startup CPU time';const loadWallHist=new tr.v.Histogram('webview_url_load_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);loadWallHist.description='WebView blank URL load wall time';const loadCPUHist=new tr.v.Histogram('webview_url_load_cpu_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);loadCPUHist.description='WebView blank URL load CPU time';for(const slice of model.getDescendantEvents()){if(!(slice instanceof tr.model.ThreadSlice))continue;if(slice.title==='WebViewStartupInterval'){startupWallHist.addSample(slice.duration);startupCPUHist.addSample(slice.cpuDuration);}
+tr.metrics.MetricRegistry.register(screenshotsBasedSpeedIndexMetric);return{screenshotsBasedSpeedIndexMetric};});'use strict';tr.exportTo('tr.metrics.sh',function(){function weblayerStartupMetric(histograms,model){const startupWallHist=new tr.v.Histogram('weblayer_startup_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);startupWallHist.description='WebLayer startup wall time';const loadWallHist=new tr.v.Histogram('weblayer_url_load_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);loadWallHist.description='WebLayer blank URL load wall time';for(const slice of model.getDescendantEvents()){if(!(slice instanceof tr.model.ThreadSlice))continue;if(slice.title==='WebLayerStartupInterval'){startupWallHist.addSample(slice.duration);}
+if(slice.title==='WebLayerBlankUrlLoadInterval'){loadWallHist.addSample(slice.duration);}}
+histograms.addHistogram(startupWallHist);histograms.addHistogram(loadWallHist);}
+tr.metrics.MetricRegistry.register(weblayerStartupMetric);return{weblayerStartupMetric,};});'use strict';tr.exportTo('tr.metrics.sh',function(){function webviewStartupMetric(histograms,model){const startupWallHist=new tr.v.Histogram('webview_startup_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);startupWallHist.description='WebView startup wall time';const startupCPUHist=new tr.v.Histogram('webview_startup_cpu_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);startupCPUHist.description='WebView startup CPU time';const loadWallHist=new tr.v.Histogram('webview_url_load_wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);loadWallHist.description='WebView blank URL load wall time';const loadCPUHist=new tr.v.Histogram('webview_url_load_cpu_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);loadCPUHist.description='WebView blank URL load CPU time';for(const slice of model.getDescendantEvents()){if(!(slice instanceof tr.model.ThreadSlice))continue;if(slice.title==='WebViewStartupInterval'){startupWallHist.addSample(slice.duration);startupCPUHist.addSample(slice.cpuDuration);}
 if(slice.title==='WebViewBlankUrlLoadInterval'){loadWallHist.addSample(slice.duration);loadCPUHist.addSample(slice.cpuDuration);}}
 histograms.addHistogram(startupWallHist);histograms.addHistogram(startupCPUHist);histograms.addHistogram(loadWallHist);histograms.addHistogram(loadCPUHist);}
 tr.metrics.MetricRegistry.register(webviewStartupMetric);return{webviewStartupMetric,};});'use strict';tr.exportTo('tr.metrics.tabs',function(){function tabsMetric(histograms,model,opt_options){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper){return;}
 const tabSwitchRequestDelays=[];const TAB_SWITCHING_REQUEST_TITLE='TabSwitchVisibilityRequest';let startTabSwitchVisibilityRequest=Number.MAX_SAFE_INTEGER;for(const helper of chromeHelper.browserHelpers){if(!helper.mainThread)continue;for(const slice of helper.mainThread.asyncSliceGroup.slices){if(slice.title===TAB_SWITCHING_REQUEST_TITLE&&!slice.error){tabSwitchRequestDelays.push(slice.duration);if(slice.start<startTabSwitchVisibilityRequest){startTabSwitchVisibilityRequest=slice.start;}}}}
 histograms.createHistogram('tab_switching_request_delay',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,tabSwitchRequestDelays,{description:'Delay before tab-request is made',summaryOptions:{sum:false}});const tabSwitchLatencies=[];const TAB_SWITCHING_SLICE_TITLE='TabSwitching::Latency';function extractLatencyFromHelpers(helpers,legacy){for(const helper of helpers){if(!helper.mainThread){continue;}
-const thread=helper.mainThread;for(const slice of thread.asyncSliceGroup.slices){if(slice.title===TAB_SWITCHING_SLICE_TITLE&&(legacy||slice.args.latency)&&slice.start>startTabSwitchVisibilityRequest){tabSwitchLatencies.push(legacy?slice.duration:slice.args.latency);}}}}
+const thread=helper.mainThread;for(const slice of thread.asyncSliceGroup.slices){if(slice.title===TAB_SWITCHING_SLICE_TITLE&&(legacy||slice.args.latency)&&slice.start>startTabSwitchVisibilityRequest-1){tabSwitchLatencies.push(legacy?slice.duration:slice.args.latency);}}}}
 extractLatencyFromHelpers(chromeHelper.browserHelpers);extractLatencyFromHelpers(Object.values(chromeHelper.rendererHelpers));if(tabSwitchLatencies.length===0){extractLatencyFromHelpers(chromeHelper.browserHelpers,true);}
 histograms.createHistogram('tab_switching_latency',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,tabSwitchLatencies,{description:'Tab switching time in ms',summaryOptions:{sum:false}});}
 tr.metrics.MetricRegistry.register(tabsMetric,{supportsRangeOfInterest:false,});return{tabsMetric,};});'use strict';tr.exportTo('tr.metrics',function(){const MEMORY_INFRA_TRACING_CATEGORY='disabled-by-default-memory-infra';const TIME_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1e-3,1e5,30);const BYTE_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1e9,30);const COUNT_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1e5,30);const SUMMARY_OPTIONS=tr.v.Histogram.AVERAGE_ONLY_SUMMARY_OPTIONS;function addMemoryInfraHistograms(histograms,model,categoryNamesToTotalEventSizes){const memoryDumpCount=model.globalMemoryDumps.length;if(memoryDumpCount===0)return;let totalOverhead=0;let nonMemoryInfraThreadOverhead=0;const overheadByProvider={};for(const process of Object.values(model.processes)){for(const thread of Object.values(process.threads)){for(const slice of Object.values(thread.sliceGroup.slices)){if(slice.category!==MEMORY_INFRA_TRACING_CATEGORY)continue;totalOverhead+=slice.duration;if(thread.name!=='MemoryInfra'){nonMemoryInfraThreadOverhead+=slice.duration;}
@@ -9197,20 +8975,17 @@
 function mergeBins_(x,y){x.sum+=y.sum;const allBins=[...x.bins,...y.bins];allBins.sort((a,b)=>a.min-b.min);x.bins=[];let last=undefined;for(const bin of allBins){if(last!==undefined&&bin.min===last.min){if(last.max!==bin.max)throw new Error('Incompatible bins');if(bin.count===0)continue;last.count+=bin.count;for(const event of bin.events){last.events.add(event);}
 last.processes.addDiagnostic(bin.processes);}else{if(last!==undefined&&bin.min<last.max){throw new Error('Incompatible bins');}
 x.bins.push(bin);last=bin;}}}
-function subtractBins_(x,y){x.sum-=y.sum;let p1=0;let p2=0;while(p2<y.bins.length){while(p1<x.bins.length&&x.bins[p1].min!==y.bins[p2].min){p1++;}
-if(p1===x.bins.length)throw new Error('Cannot subtract');if(x.bins[p1].max!==y.bins[p2].max){throw new Error('Incompatible bins');}
-if(x.bins[p1].count<y.bins[p2].count){throw new Error('Cannot subtract');}
-x.bins[p1].count-=y.bins[p2].count;for(const event of y.bins[p2].events){x.bins[p1].events.add(event);}
-const processName=tr.b.getOnlyElement(x.bins[p1].processes)[0];x.bins[p1].processes.set(processName,x.bins[p1].count);p2++;}}
 function getHistogramUnit_(name){return tr.b.Unit.byName.unitlessNumber_smallerIsBetter;}
+function getIsHistogramBinsLinear_(histogramName){return histogramName.startsWith('Graphics.Smoothness.Throughput')||histogramName.startsWith('Memory.Memory.GPU.PeakMemoryUsage');}
 function getHistogramBoundaries_(name){if(name.startsWith('Event.Latency.Scroll')){return tr.v.HistogramBinBoundaries.createExponential(1e3,1e5,50);}
 if(name.startsWith('Graphics.Smoothness.Throughput')){return tr.v.HistogramBinBoundaries.createLinear(0,100,101);}
 if(name.startsWith('Memory.Memory.GPU.PeakMemoryUsage')){return tr.v.HistogramBinBoundaries.createLinear(0,1e6,100);}
 return tr.v.HistogramBinBoundaries.createExponential(1e-3,1e3,50);}
 function umaMetric(histograms,model){const histogramValues=new Map();const nameCounts=new Map();for(const process of model.getAllProcesses()){const histogramEvents=new Map();for(const event of process.instantEvents){if(event.title!=='UMAHistogramSamples')continue;const name=event.args.name;const events=histogramEvents.get(name)||[];if(!histogramEvents.has(name))histogramEvents.set(name,events);events.push(event);}
-let processName=tr.e.chrome.chrome_processes.canonicalizeProcessName(process.name);nameCounts.set(processName,(nameCounts.get(processName)||0)+1);processName=`${processName}_${nameCounts.get(processName)}`;for(const[name,events]of histogramEvents){const values=histogramValues.get(name)||{sum:0,bins:[]};if(!histogramValues.has(name))histogramValues.set(name,values);const endValues=parseBuckets_(events[events.length-1],processName);if(events.length===1){mergeBins_(values,endValues);}else if(events.length===2){subtractBins_(endValues,parseBuckets_(events[0],processName));mergeBins_(values,endValues);}else{throw new Error('There should be at most two snapshots of an UMA '+'histogram in each process');}}}
-for(const[name,values]of histogramValues){const histogram=new tr.v.Histogram(name,getHistogramUnit_(name),getHistogramBoundaries_(name));let sumOfMiddles=0;let sumOfBinLengths=0;for(const bin of values.bins){sumOfMiddles+=bin.count*(bin.min+bin.max)/2;sumOfBinLengths+=bin.count*(bin.max-bin.min);}
-const shift=(values.sum-sumOfMiddles)/sumOfBinLengths;if(Math.abs(shift)>0.5)throw new Error('Samples sum is wrong');for(const bin of values.bins){if(bin.count===0)continue;const shiftedValue=(bin.min+bin.max)/2+shift*(bin.max-bin.min);for(const[processName,count]of bin.processes){bin.processes.set(processName,shiftedValue*count/bin.count);}
+let processName=tr.e.chrome.chrome_processes.canonicalizeProcessName(process.name);nameCounts.set(processName,(nameCounts.get(processName)||0)+1);processName=`${processName}_${nameCounts.get(processName)}`;for(const[name,events]of histogramEvents){const values=histogramValues.get(name)||{sum:0,bins:[]};if(!histogramValues.has(name))histogramValues.set(name,values);const endValues=parseBuckets_(events[events.length-1],processName);if(events.length===1){mergeBins_(values,endValues,name);}else{throw new Error('There should be at most one snapshot of UMA '+`histogram for ${name} in each process.`);}}}
+for(const[name,values]of histogramValues){const histogram=new tr.v.Histogram(name,getHistogramUnit_(name),getHistogramBoundaries_(name));const isLinear=getIsHistogramBinsLinear_(name);let sumOfMiddles=0;let sumOfBinLengths=0;for(const bin of values.bins){sumOfMiddles+=bin.count*(bin.min+bin.max)/2;sumOfBinLengths+=bin.count*(bin.max-bin.min);}
+const shift=(values.sum-sumOfMiddles)/sumOfBinLengths;if(isLinear&&Math.abs(shift)>0.5){throw new Error(`Samples sum is wrong for ${name}.`);}
+for(const bin of values.bins){if(bin.count===0)continue;const shiftedValue=(bin.min+bin.max)/2+shift*(bin.max-bin.min);for(const[processName,count]of bin.processes){bin.processes.set(processName,shiftedValue*count/bin.count);}
 for(let i=0;i<bin.count;i++){histogram.addSample(shiftedValue,{processes:bin.processes,events:bin.events});}}
 histograms.addHistogram(histogram);}}
 tr.metrics.MetricRegistry.register(umaMetric,{requiredCategories:['benchmark'],});return{umaMetric,};});'use strict';tr.exportTo('tr.metrics.v8',function(){const CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(4,200,100);function computeExecuteMetrics(histograms,model){const cpuTotalExecution=new tr.v.Histogram('v8_execution_cpu_total',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);cpuTotalExecution.description='cpu total time spent in script execution';const wallTotalExecution=new tr.v.Histogram('v8_execution_wall_total',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);wallTotalExecution.description='wall total time spent in script execution';const cpuSelfExecution=new tr.v.Histogram('v8_execution_cpu_self',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);cpuSelfExecution.description='cpu self time spent in script execution';const wallSelfExecution=new tr.v.Histogram('v8_execution_wall_self',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);wallSelfExecution.description='wall self time spent in script execution';for(const e of model.findTopmostSlicesNamed('V8.Execute')){cpuTotalExecution.addSample(e.cpuDuration);wallTotalExecution.addSample(e.duration);cpuSelfExecution.addSample(e.cpuSelfTime);wallSelfExecution.addSample(e.selfTime);}
@@ -9230,9 +9005,54 @@
 function computeDeoptimizeCodeMetrics(histograms,model){const cpuTotalDeoptimizeCode=new tr.v.Histogram('v8_deoptimize_code_cpu_total',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);cpuTotalDeoptimizeCode.description='cpu total time spent in code deoptimization';const wallTotalDeoptimizeCode=new tr.v.Histogram('v8_deoptimize_code_wall_total',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);wallTotalDeoptimizeCode.description='wall total time spent in code deoptimization';for(const e of model.findTopmostSlicesNamed('V8.DeoptimizeCode')){cpuTotalDeoptimizeCode.addSample(e.cpuDuration);wallTotalDeoptimizeCode.addSample(e.duration);}
 histograms.addHistogram(cpuTotalDeoptimizeCode);histograms.addHistogram(wallTotalDeoptimizeCode);}
 function executionMetric(histograms,model){computeExecuteMetrics(histograms,model);computeParseLazyMetrics(histograms,model);computeCompileIgnitionMetrics(histograms,model);computeCompileFullCodeMetrics(histograms,model);computeRecompileMetrics(histograms,model);computeOptimizeCodeMetrics(histograms,model);computeDeoptimizeCodeMetrics(histograms,model);}
-tr.metrics.MetricRegistry.register(executionMetric);return{executionMetric,};});'use strict';tr.exportTo('tr.metrics.v8',function(){const TARGET_FPS=60;const MS_PER_SECOND=1000;const WINDOW_SIZE_MS=MS_PER_SECOND/TARGET_FPS;function gcMetric(histograms,model,options){options=options||{};addDurationOfTopEvents(histograms,model);addTotalDurationOfTopEvents(histograms,model);if(options.include_sub_events){addDurationOfSubEvents(histograms,model);}
-addPercentageInV8ExecuteOfTopEvents(histograms,model);addTotalPercentageInV8Execute(histograms,model);addMarkCompactorMutatorUtilization(histograms,model);addTotalMarkCompactorTime(histograms,model);addTotalMarkCompactorMarkingTime(histograms,model);}
-tr.metrics.MetricRegistry.register(gcMetric);const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const percentage_biggerIsBetter=tr.b.Unit.byName.normalizedPercentage_biggerIsBetter;const percentage_smallerIsBetter=tr.b.Unit.byName.normalizedPercentage_smallerIsBetter;const CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,20,200).addExponentialBins(200,100);function createNumericForTopEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:true,max:true,min:false,std:true,sum:true,percentile:[0.90]});return n;}
+tr.metrics.MetricRegistry.register(executionMetric);return{executionMetric,};});'use strict';tr.exportTo('tr.metrics.v8',function(){const TARGET_FPS=60;const MS_PER_SECOND=1000;const WINDOW_SIZE_MS=MS_PER_SECOND/TARGET_FPS;const EPSILON=1e-6;const METRICS=['v8:gc:cycle:full','v8:gc:cycle:full:cpp','v8:gc:cycle:full:mark','v8:gc:cycle:full:mark:cpp','v8:gc:cycle:full:weak','v8:gc:cycle:full:weak:cpp','v8:gc:cycle:full:sweep','v8:gc:cycle:full:sweep:cpp','v8:gc:cycle:full:compact','v8:gc:cycle:full:compact:cpp','v8:gc:cycle:main_thread:full','v8:gc:cycle:main_thread:full:cpp','v8:gc:cycle:main_thread:full:mark','v8:gc:cycle:main_thread:full:mark:cpp','v8:gc:cycle:main_thread:full:weak','v8:gc:cycle:main_thread:full:weak:cpp','v8:gc:cycle:main_thread:full:sweep','v8:gc:cycle:main_thread:full:sweep:cpp','v8:gc:cycle:main_thread:full:compact','v8:gc:cycle:main_thread:full:compact:cpp','v8:gc:event:main_thread:full:atomic','v8:gc:event:main_thread:full:atomic:cpp','v8:gc:event:main_thread:full:atomic:mark','v8:gc:event:main_thread:full:atomic:mark:cpp','v8:gc:event:main_thread:full:atomic:weak','v8:gc:event:main_thread:full:atomic:weak:cpp','v8:gc:event:main_thread:full:atomic:sweep','v8:gc:event:main_thread:full:atomic:sweep:cpp','v8:gc:event:main_thread:full:atomic:compact','v8:gc:event:main_thread:full:atomic:compact:cpp','v8:gc:event:main_thread:full:incremental','v8:gc:event:main_thread:full:incremental:cpp','v8:gc:event:main_thread:full:incremental:mark','v8:gc:event:main_thread:full:incremental:mark:cpp','v8:gc:event:main_thread:full:incremental:sweep','v8:gc:event:main_thread:full:incremental:sweep:cpp','v8:gc:cycle:young','v8:gc:cycle:main_thread:young',];const V8_FULL_ATOMIC_EVENTS=['V8.GCCompactor','V8.GCFinalizeMC','V8.GCFinalizeMCReduceMemory',];const V8_FULL_MARK_EVENTS=['V8.GC_MC_BACKGROUND_MARKING','V8.GC_MC_MARK','V8.GCIncrementalMarking','V8.GCIncrementalMarkingFinalize','V8.GCIncrementalMarkingStart',];const V8_FULL_COMPACT_EVENTS=['V8.GC_MC_BACKGROUND_EVACUATE_COPY','V8.GC_MC_BACKGROUND_EVACUATE_UPDATE_POINTERS','V8.GC_MC_EVACUATE',];const V8_FULL_SWEEP_EVENTS=['V8.GC_MC_BACKGROUND_SWEEPING','V8.GC_MC_SWEEP',];const V8_FULL_WEAK_EVENTS=['V8.GC_MC_CLEAR',];const V8_YOUNG_EVENTS=['V8.GC_SCAVENGER_BACKGROUND_SCAVENGE_PARALLEL','V8.GCScavenger',];const CPP_GC_FULL_MARK_EVENTS=['BlinkGC.AtomicPauseMarkEpilogue','BlinkGC.AtomicPauseMarkPrologue','BlinkGC.AtomicPauseMarkRoots','BlinkGC.AtomicPauseMarkTransitiveClosure','BlinkGC.ConcurrentMarkingStep','BlinkGC.IncrementalMarkingStartMarking','BlinkGC.IncrementalMarkingStep','BlinkGC.MarkBailOutObjects','BlinkGC.MarkFlushEphemeronPairs','BlinkGC.MarkFlushV8References','BlinkGC.UnifiedMarkingStep',];const CPP_GC_FULL_COMPACT_EVENTS=['BlinkGC.AtomicPauseSweepAndCompact',];const CPP_GC_FULL_SWEEP_EVENTS=['BlinkGC.CompleteSweep','BlinkGC.ConcurrentSweepingStep','BlinkGC.LazySweepInIdle','BlinkGC.LazySweepOnAllocation',];const RULES=[{events:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic',},{events:V8_FULL_MARK_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:mark',},{events:CPP_GC_FULL_MARK_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:mark:cpp',},{events:V8_FULL_MARK_EVENTS,outside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:incremental:mark',},{events:CPP_GC_FULL_MARK_EVENTS,outside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:incremental:mark:cpp',},{events:V8_FULL_COMPACT_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:compact',},{events:CPP_GC_FULL_COMPACT_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:compact:cpp',},{events:V8_FULL_SWEEP_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:sweep',},{events:CPP_GC_FULL_SWEEP_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:sweep:cpp',},{events:V8_FULL_WEAK_EVENTS,inside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:atomic:weak',},{events:V8_FULL_SWEEP_EVENTS,outside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:incremental:sweep',},{events:CPP_GC_FULL_SWEEP_EVENTS,outside:V8_FULL_ATOMIC_EVENTS,contribute_to:'full:incremental:sweep:cpp',},{events:V8_YOUNG_EVENTS,contribute_to:'young:atomic',},];const Granularity={CYCLE:'cycle',EVENT:'event',};const ThreadType={MAIN:'main',BACKGROUND:'background',ALL_THREADS:'all_threads',};class Metric{constructor(name){const parts=name.split(':');this.granularity_=parts[2];assert(this.granularity_===Granularity.CYCLE||this.granularity_===Granularity.EVENT);this.thread_=ThreadType.ALL_THREADS;let phasesIndex=3;if(parts[3]==='main_thread'){this.thread_=ThreadType.MAIN;phasesIndex=4;}
+if(parts[3]==='background_threads'){this.thread_=ThreadType.BACKGROUND;phasesIndex=4;}
+this.phases_=parts.slice(phasesIndex);const maxValue=this.isPerCycleMetric()?10000:1000;const boundaries=tr.v.HistogramBinBoundaries.createExponential(0.1,maxValue,100);this.histogram=new tr.v.Histogram(name,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,boundaries);this.histogram.customizeSummaryOptions({avg:true,count:true,max:true,min:false,std:false,sum:this.isPerCycleMetric(),});}
+isPerCycleMetric(){return this.granularity_===Granularity.CYCLE;}
+isMoreGeneralThanOrEqualTo(phases){const phasesSet=new Set(phases.split(':'));return this.phases_.every(phase=>phasesSet.has(phase));}
+contributingEvents(rules,events){const eventsByName=groupBy(events,e=>e.title);function matches(rule,event){function isEnclosing(name){if(!eventsByName.has(name))return false;return eventsByName.get(name).some(e=>encloses(e,event));}
+if(!rule.events.includes(event.title)){return false;}
+if(rule.inside&&!rule.inside.some(isEnclosing)){return false;}
+if(rule.outside&&rule.outside.some(isEnclosing)){return false;}
+return true;}
+const result=[];for(const event of events){const matching=rules.filter(r=>matches(r,event));if(matching.length===0){continue;}
+assert(matching.length===1,`${event.userFriendlyName} matches more than one rule: `+
+JSON.stringify(matching));if(this.isMoreGeneralThanOrEqualTo(matching[0].contribute_to)){result.push(event);}}
+return result;}
+apply(rules,events,threadTypes){const filtered=this.contributingEvents(rules,events);const eventsByThread=groupBy(filtered,e=>e.parentContainer.tid);let flattened=[];for(const[tid,threadEvents]of eventsByThread){if(this.thread_===ThreadType.ALL_THREADS||this.thread_===threadTypes.get(tid)){flattened=flattened.concat(flatten(threadEvents));}}
+if(this.isPerCycleMetric()){let sum=0;for(const event of flattened){sum+=event.cpuDuration;}
+if(flattened.length>0){this.histogram.addSample(sum);}}else{for(const event of flattened){this.histogram.addSample(event.cpuDuration);}}}}
+function assert(condition,message){if(!condition){throw new Error(message);}}
+function groupBy(objects,keyCallback){const result=new Map();for(const object of objects){const group=keyCallback(object);if(result.has(group)){result.get(group).push(object);}else{result.set(group,[object]);}}
+return result;}
+function eventsMentionedIn(rules){let result=[];for(const rule of rules){result=result.concat(rule.events);if(rule.inside){result=result.concat(rule.inside);}
+if(rule.outside){result=result.concat(rule.outside);}}
+return result;}
+function encloses(event1,event2){return(event1.start-EPSILON<=event2.start&&event2.end<=event1.end+EPSILON);}
+function jsExecutionThreadsWithTypes(rendererHelper){const mainThreads=([rendererHelper.mainThread].concat(rendererHelper.dedicatedWorkerThreads).concat(rendererHelper.serviceWorkerThreads));const backgroundThreads=rendererHelper.foregroundWorkerThreads;const threadTypes=new Map();for(const thread of mainThreads){threadTypes.set(thread.tid,ThreadType.MAIN);}
+for(const thread of backgroundThreads){threadTypes.set(thread.tid,ThreadType.BACKGROUND);}
+return[mainThreads.concat(backgroundThreads),threadTypes];}
+function flatten(events){function compareWithEpsilon(a,b){if(a.start<b.start-EPSILON)return-1;if(a.start>b.start+EPSILON)return 1;return b.end-a.end;}
+events.sort(compareWithEpsilon);let last=events[0];const result=[last];for(const e of events){if(e.end>last.end+EPSILON){assert(e.start>=last.end-EPSILON,'Overlapping events: '+
+e.userFriendlyName+' '+
+last.userFriendlyName);result.push(e);last=e;}}
+return result;}
+function groupByEpoch(events){function isV8Event(event){return event.category&&event.category.includes('v8');}
+function getEpoch(event){function checkEpochConsistency(epoch,event){if(epoch===null)return;assert(epoch===event.args.epoch,`${event.userFriendlyName} has epoch ${event.args.epoch} `+`which contradicts the epoch of nested events ${epoch}`);}
+const result={v8:null,cpp:null};while(event){if('epoch'in event.args){if(isV8Event(event)){checkEpochConsistency(result.v8,event);result.v8=event.args.epoch;}else{checkEpochConsistency(result.cpp,event);result.cpp=event.args.epoch;}}
+event=event.parentSlice;}
+return result;}
+const cppToV8=new Map();for(const event of events){const epoch=getEpoch(event);if(epoch.cpp!==null&&epoch.v8!==null){assert(!cppToV8.has(epoch.cpp)||cppToV8.get(epoch.cpp)===epoch.v8,`CppGC epoch ${epoch.cpp} corresponds to two v8 epochs `+`${cppToV8.get(epoch.cpp)} and ${epoch.v8}. `+`Detected at ${event.userFriendlyName}.`);cppToV8.set(epoch.cpp,epoch.v8);}}
+const result=new Map();for(const event of events){const epoch=getEpoch(event);if(epoch.cpp===null&&epoch.v8===null){continue;}
+assert(epoch.cpp===null||cppToV8.has(epoch.cpp),`CppGC epoch ${epoch.cpp} doesn't have the corresponding V8 epoch. `+`Detected at ${event.userFriendlyName}`);const key=epoch.v8===null?cppToV8.get(epoch.cpp):epoch.v8;if(result.has(key)){result.get(key).push(event);}else{result.set(key,[event]);}}
+return result;}
+function addGarbageCollectionMetrics(metricNames,histograms,model){const metrics=metricNames.map(name=>new Metric(name));const gcEventNames=new Set(eventsMentionedIn(RULES));const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);for(const rendererHelper of Object.values(chromeHelper.rendererHelpers)){if(rendererHelper.isChromeTracingUI)continue;const[threads,threadTypes]=jsExecutionThreadsWithTypes(rendererHelper);const events=[];for(const thread of threads){for(const event of thread.sliceGroup.childEvents()){if(gcEventNames.has(event.title)){events.push(event);}}}
+for(const cycleEvents of groupByEpoch(events).values()){if(cycleEvents.some(tr.metrics.v8.utils.isForcedGarbageCollectionEvent)){continue;}
+for(const metric of metrics){metric.apply(RULES,cycleEvents,threadTypes);}}}
+for(const metric of metrics){histograms.addHistogram(metric.histogram);}}
+function gcMetric(histograms,model,options){options=options||{};addDurationOfTopEvents(histograms,model);addTotalDurationOfTopEvents(histograms,model);if(options.include_sub_events){addDurationOfSubEvents(histograms,model);}
+addPercentageInV8ExecuteOfTopEvents(histograms,model);addTotalPercentageInV8Execute(histograms,model);addMarkCompactorMutatorUtilization(histograms,model);addTotalMarkCompactorTime(histograms,model);addTotalMarkCompactorMarkingTime(histograms,model);addScavengerSurvivedFromStackEvents(histograms,model);}
+tr.metrics.MetricRegistry.register(gcMetric);const timeDurationInMs_smallerIsBetter=tr.b.Unit.byName.timeDurationInMs_smallerIsBetter;const percentage_biggerIsBetter=tr.b.Unit.byName.normalizedPercentage_biggerIsBetter;const percentage_smallerIsBetter=tr.b.Unit.byName.normalizedPercentage_smallerIsBetter;const bytes_smallerIsBetter=tr.b.Unit.byName.sizeInBytes_smallerIsBetter;const CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createLinear(0,20,200).addExponentialBins(200,100);function createNumericForTopEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:true,max:true,min:false,std:true,sum:true,percentile:[0.90]});return n;}
 function createNumericForSubEventTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:false,max:true,min:false,std:false,sum:false,percentile:[0.90]});return n;}
 function createNumericForIdleTime(name){const n=new tr.v.Histogram(name,timeDurationInMs_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:false,max:true,min:false,std:false,sum:true,percentile:[]});return n;}
 function createPercentage(name,numerator,denominator,unit){const hist=new tr.v.Histogram(name,unit);if(denominator===0){hist.addSample(0);}else{hist.addSample(numerator/denominator);}
@@ -9245,13 +9065,16 @@
 histograms.addHistogram(foregroundDuration);histograms.addHistogram(backgroundDuration);histograms.addHistogram(totalDuration,{breakdown:relatedNames});}
 function addTotalMarkCompactorTime(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isV8MarkCompactorSummary,event=>'v8-gc-mark-compactor',(name,events)=>createHistogramFromSummary(histograms,name,events),['v8-gc-mark-compactor']);}
 function addTotalMarkCompactorMarkingTime(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,isV8MarkCompactorMarkingSummary,event=>'v8-gc-mark-compactor-marking',(name,events)=>createHistogramFromSummary(histograms,name,events),['v8-gc-mark-compactor-marking']);}
+function createNumericForTotalBytes(name){const n=new tr.v.Histogram(name,bytes_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:false,count:false,max:false,min:false,std:false,sum:true,percentile:[]});return n;}
+function createNumericForSampledPercent(name){const n=new tr.v.Histogram(name,percentage_smallerIsBetter,CUSTOM_BOUNDARIES);n.customizeSummaryOptions({avg:true,count:false,max:true,min:true,std:true,sum:false,percentile:[]});return n;}
+function addScavengerSurvivedFromStackEvents(histograms,model){const baseName='v8-gc-scavenger-survived';tr.metrics.v8.utils.groupAndProcessEvents(model,tr.metrics.v8.utils.isScavengerStackScanningEvent,event=>baseName,function(name,events){const sampledPercentage=createNumericForSampledPercent(baseName+'-percentage-from-stack');let survivedWithoutStack=0;let survivedWithStack=0;events.forEach(function(event){const bytesBefore=event.args.survived_bytes_before;const bytesAfter=event.args.survived_bytes_after;sampledPercentage.addSample((bytesAfter>0)?(bytesAfter-bytesBefore)/bytesAfter:0);survivedWithoutStack+=bytesBefore;survivedWithStack+=bytesAfter;});histograms.addHistogram(sampledPercentage);const totalBytesSurvivedWithoutStack=createNumericForTotalBytes(baseName+'-total-bytes-without-stack');totalBytesSurvivedWithoutStack.addSample(survivedWithoutStack);histograms.addHistogram(totalBytesSurvivedWithoutStack);const totalBytesSurvivedWithStack=createNumericForTotalBytes(baseName+'-total-bytes-with-stack');totalBytesSurvivedWithStack.addSample(survivedWithStack);histograms.addHistogram(totalBytesSurvivedWithStack);const overallPercentage=createPercentage(baseName+'-total-percentage-from-stack',survivedWithStack-survivedWithoutStack,survivedWithStack,percentage_smallerIsBetter);histograms.addHistogram(overallPercentage);},[baseName]);}
 function addDurationOfSubEvents(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,tr.metrics.v8.utils.isNotForcedSubGarbageCollectionEvent,tr.metrics.v8.utils.subGarbageCollectionEventName,function(name,events){const cpuDuration=createNumericForSubEventTime(name);events.forEach(function(event){cpuDuration.addSample(event.cpuDuration);});histograms.addHistogram(cpuDuration);});}
 function addPercentageInV8ExecuteOfTopEvents(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,tr.metrics.v8.utils.isNotForcedTopGarbageCollectionEvent,tr.metrics.v8.utils.topGarbageCollectionEventName,function(name,events){addPercentageInV8Execute(histograms,model,name,events);},tr.metrics.v8.utils.topGarbageCollectionEventNames());}
 function addTotalPercentageInV8Execute(histograms,model){tr.metrics.v8.utils.groupAndProcessEvents(model,tr.metrics.v8.utils.isNotForcedTopGarbageCollectionEvent,event=>'v8-gc-total',function(name,events){addPercentageInV8Execute(histograms,model,name,events);},['v8-gc-total']);}
 function addPercentageInV8Execute(histograms,model,name,events){let cpuDurationInV8Execute=0;let cpuDurationTotal=0;events.forEach(function(event){const v8Execute=tr.metrics.v8.utils.findParent(event,tr.metrics.v8.utils.isV8ExecuteEvent);if(v8Execute){cpuDurationInV8Execute+=event.cpuDuration;}
 cpuDurationTotal+=event.cpuDuration;});const percentage=createPercentage(name+'_percentage_in_v8_execute',cpuDurationInV8Execute,cpuDurationTotal,percentage_smallerIsBetter);histograms.addHistogram(percentage);}
 function addMarkCompactorMutatorUtilization(histograms,model){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);const rendererHelpers=Object.values(chromeHelper.rendererHelpers);tr.metrics.v8.utils.addMutatorUtilization('v8-gc-mark-compactor-mmu',tr.metrics.v8.utils.isNotForcedMarkCompactorEvent,[100],rendererHelpers,histograms);}
-return{gcMetric,WINDOW_SIZE_MS,};});'use strict';tr.exportTo('tr.metrics.v8',function(){const COUNT_CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1000000,50);const DURATION_CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(0.1,10000,50);const SUMMARY_OPTIONS={std:false,count:false,sum:false,min:false,max:false,};function convertMicroToMilli_(time){return tr.b.convertUnit(time,tr.b.UnitPrefixScale.METRIC.MICRO,tr.b.UnitPrefixScale.METRIC.MILLI);}
+return{gcMetric,WINDOW_SIZE_MS,addGarbageCollectionMetrics,};});'use strict';tr.exportTo('tr.metrics.v8',function(){const COUNT_CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(1,1000000,50);const DURATION_CUSTOM_BOUNDARIES=tr.v.HistogramBinBoundaries.createExponential(0.1,10000,50);const SUMMARY_OPTIONS={std:false,count:false,sum:false,min:false,max:false,};function convertMicroToMilli_(time){return tr.b.convertUnit(time,tr.b.UnitPrefixScale.METRIC.MICRO,tr.b.UnitPrefixScale.METRIC.MILLI);}
 function addDurationHistogram(histogramName,time,histograms){const value=convertMicroToMilli_(time);histograms.createHistogram(`${histogramName}:duration`,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,{value},{binBoundaries:DURATION_CUSTOM_BOUNDARIES,summaryOptions:SUMMARY_OPTIONS,});}
 function addCountHistogram(histogramName,value,histograms){histograms.createHistogram(`${histogramName}:count`,tr.b.Unit.byName.count_smallerIsBetter,{value},{binBoundaries:COUNT_CUSTOM_BOUNDARIES,summaryOptions:SUMMARY_OPTIONS});}
 function runtimeStatsTotalMetric(histograms,model){const v8Slices=tr.metrics.v8.utils.filterEvents(model,ev=>ev instanceof tr.e.v8.V8ThreadSlice);const runtimeGroupCollection=new tr.e.v8.RuntimeStatsGroupCollection();runtimeGroupCollection.addSlices(v8Slices);let overallV8Time=runtimeGroupCollection.totalTime;let overallV8Count=runtimeGroupCollection.totalCount;let mainThreadTime=runtimeGroupCollection.totalTime;let mainThreadCount=runtimeGroupCollection.totalCount;let mainThreadV8Time=runtimeGroupCollection.totalTime;let mainThreadV8Count=runtimeGroupCollection.totalCount;for(const runtimeGroup of runtimeGroupCollection.runtimeGroups){addDurationHistogram(runtimeGroup.name,runtimeGroup.time,histograms);if(runtimeGroup.name==='Blink C++'){overallV8Time-=runtimeGroup.time;mainThreadV8Time-=runtimeGroup.time;}else if(runtimeGroup.name.includes('Background')){mainThreadTime-=runtimeGroup.time;mainThreadV8Time-=runtimeGroup.time;}
@@ -9259,7 +9082,15 @@
 if(runtimeGroupCollection.blinkRCSGroupCollection.totalTime>0){const blinkRCSGroupCollection=runtimeGroupCollection.blinkRCSGroupCollection;for(const group of blinkRCSGroupCollection.runtimeGroups){addDurationHistogram(group.name,group.time,histograms);addCountHistogram(group.name,group.count,histograms);}}
 addDurationHistogram('V8-Only',overallV8Time,histograms);addCountHistogram('V8-Only',overallV8Count,histograms);addDurationHistogram('Total-Main-Thread',mainThreadTime,histograms);addCountHistogram('Total-Main-Thread',mainThreadCount,histograms);addDurationHistogram('V8-Only-Main-Thread',mainThreadV8Time,histograms);addCountHistogram('V8-Only-Main-Thread',mainThreadV8Count,histograms);}
 tr.metrics.MetricRegistry.register(runtimeStatsTotalMetric);return{runtimeStatsTotalMetric,};});'use strict';tr.exportTo('tr.metrics.v8',function(){function v8AndMemoryMetrics(histograms,model){tr.metrics.v8.executionMetric(histograms,model);tr.metrics.v8.gcMetric(histograms,model);tr.metrics.sh.memoryMetric(histograms,model,{rangeOfInterest:tr.metrics.v8.utils.rangeForMemoryDumps(model)});}
-tr.metrics.MetricRegistry.register(v8AndMemoryMetrics);return{v8AndMemoryMetrics,};});'use strict';tr.exportTo('tr.metrics.vr',function(){const VR_GL_THREAD_NAME='VrShellGL';function createHistograms(histograms,name,options,hasCpuTime){const createdHistograms={wall:histograms.createHistogram(name+'_wall',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],options)};if(hasCpuTime){createdHistograms.cpu=histograms.createHistogram(name+'_cpu',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],options);}
+tr.metrics.MetricRegistry.register(v8AndMemoryMetrics);return{v8AndMemoryMetrics,};});'use strict';tr.exportTo('tr.metrics.v8',function(){function computeSyncInstantiationTimeMetric(histograms,wasmEvents){if(!wasmEvents.hasOwnProperty('wasm.SyncInstantiate'))return;const wasmSyncInstantiationTimeCPU=new tr.v.Histogram('v8:wasm:sync_instantiate:cpu_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);wasmSyncInstantiationTimeCPU.description='cpu time spent instantiating a WebAssembly module';const wasmSyncInstantiationTimeWall=new tr.v.Histogram('v8:wasm:sync_instantiate:wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);wasmSyncInstantiationTimeWall.description='wall time spent instantiating a WebAssembly module';for(const e of wasmEvents['wasm.SyncInstantiate']){wasmSyncInstantiationTimeCPU.addSample(e.cpuDuration);wasmSyncInstantiationTimeWall.addSample(e.duration);}
+histograms.addHistogram(wasmSyncInstantiationTimeCPU);histograms.addHistogram(wasmSyncInstantiationTimeWall);}
+function computeStreamingBaselineCompileTimeMetric(histograms,wasmEvents){if(!wasmEvents.hasOwnProperty('wasm.StartStreamingCompilation')||!wasmEvents.hasOwnProperty('wasm.BaselineFinished')){return;}
+const histogram=new tr.v.Histogram('v8:wasm:streaming_baseline_compilation:wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);const compilationStart=wasmEvents['wasm.StartStreamingCompilation'][0].start;const compilationEnd=wasmEvents['wasm.BaselineFinished'][0].end;histogram.addSample(compilationEnd-compilationStart);histograms.addHistogram(histogram);}
+function computeCompilationTierupWallTimeMetric(histograms,wasmEvents){if(!wasmEvents.hasOwnProperty('wasm.BaselineFinished')||!wasmEvents.hasOwnProperty('wasm.TopTierFinished')){return;}
+const histogram=new tr.v.Histogram('v8:wasm:compilation_tierup:wall_time',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter);const tierupStart=wasmEvents['wasm.BaselineFinished'][0].start;const tierupEnd=wasmEvents['wasm.TopTierFinished'][0].end;histogram.addSample(tierupEnd-tierupStart);histograms.addHistogram(histogram);}
+function collectWasmEvents(model){const wasmEvents=tr.metrics.v8.utils.filterAndOrderEvents(model,event=>event.title.startsWith('wasm.'),event=>event.title);return wasmEvents;}
+function wasmMetric(histograms,model){const wasmEvents=collectWasmEvents(model);computeSyncInstantiationTimeMetric(histograms,wasmEvents);computeStreamingBaselineCompileTimeMetric(histograms,wasmEvents);computeCompilationTierupWallTimeMetric(histograms,wasmEvents);}
+tr.metrics.MetricRegistry.register(wasmMetric);return{wasmMetric,};});'use strict';tr.exportTo('tr.metrics.vr',function(){const VR_GL_THREAD_NAME='VrShellGL';function createHistograms(histograms,name,options,hasCpuTime){const createdHistograms={wall:histograms.createHistogram(name+'_wall',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],options)};if(hasCpuTime){createdHistograms.cpu=histograms.createHistogram(name+'_cpu',tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,[],options);}
 return createdHistograms;}
 function frameCycleDurationMetric(histograms,model,opt_options){const histogramsByEventTitle=new Map();const expectationEvents=tr.importer.VR_EXPECTATION_EVENTS;for(const eventName in expectationEvents){const extraInfo=expectationEvents[eventName];histogramsByEventTitle.set(eventName,createHistograms(histograms,extraInfo.histogramName,{description:extraInfo.description},extraInfo.hasCpuTime));}
 histogramsByEventTitle.set('UiScene::OnBeginFrame.UpdateAnimationsAndOpacity',createHistograms(histograms,'update_animations_and_opacity',{description:'Duration to apply animation and opacity changes'},true));histogramsByEventTitle.set('UiScene::OnBeginFrame.UpdateBindings',createHistograms(histograms,'update_bindings',{description:'Duration to push binding values'},true));histogramsByEventTitle.set('UiScene::OnBeginFrame.UpdateLayout',createHistograms(histograms,'update_layout',{description:'Duration to compute element sizes, layout and textures'},true));histogramsByEventTitle.set('UiScene::OnBeginFrame.UpdateWorldSpaceTransform',createHistograms(histograms,'update_world_space_transforms',{description:'Duration to calculate element transforms in world space'},true));histogramsByEventTitle.set('UiRenderer::DrawUiView',createHistograms(histograms,'draw_ui',{description:'Duration to draw the UI'},true));histogramsByEventTitle.set('UiElementRenderer::DrawTexturedQuad',createHistograms(histograms,'draw_textured_quad',{description:'Duration to draw a textured element'},true));histogramsByEventTitle.set('UiElementRenderer::DrawGradientQuad',createHistograms(histograms,'draw_gradient_quad',{description:'Duration to draw a gradient element'},true));histogramsByEventTitle.set('UiElementRenderer::DrawGradientGridQuad',createHistograms(histograms,'draw_gradient_grid_quad',{description:'Duration to draw a gradient grid element'},true));histogramsByEventTitle.set('UiElementRenderer::DrawController',createHistograms(histograms,'draw_controller',{description:'Duration to draw the controller'},true));histogramsByEventTitle.set('UiElementRenderer::DrawLaser',createHistograms(histograms,'draw_laser',{description:'Duration to draw the laser'},true));histogramsByEventTitle.set('UiElementRenderer::DrawReticle',createHistograms(histograms,'draw_reticle',{description:'Duration to draw the reticle'},true));histogramsByEventTitle.set('UiElementRenderer::DrawShadow',createHistograms(histograms,'draw_shadow',{description:'Duration to draw a shadow element'},true));histogramsByEventTitle.set('UiElementRenderer::DrawStars',createHistograms(histograms,'draw_stars',{description:'Duration to draw the stars'},true));histogramsByEventTitle.set('UiElementRenderer::DrawBackground',createHistograms(histograms,'draw_background',{description:'Duration to draw the textured background'},true));histogramsByEventTitle.set('UiElementRenderer::DrawKeyboard',createHistograms(histograms,'draw_keyboard',{description:'Duration to draw the keyboard'},true));const drawUiSubSlicesMap=new Map();const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);let rangeOfInterest=model.bounds;const userExpectationsOfInterest=[tr.model.um.AnimationExpectation];if(opt_options&&opt_options.rangeOfInterest){rangeOfInterest=opt_options.rangeOfInterest;userExpectationsOfInterest.push(tr.model.um.ResponseExpectation);}
@@ -9315,7 +9146,18 @@
 function getSmoothnessStats(driftTimes){const meanDriftTime=tr.b.math.Statistics.mean(driftTimes);const normDriftTimes=driftTimes.map(driftTime=>Math.abs(driftTime-meanDriftTime));const framesSeverelyOutOfSync=normDriftTimes.filter(driftTime=>driftTime>2*VSYNC_DURATION_US).length;const framesOutOfSync=normDriftTimes.filter(driftTime=>driftTime>VSYNC_DURATION_US).length;const percentBadlyOutOfSync=framesSeverelyOutOfSync/driftTimes.length;const percentOutOfSync=framesOutOfSync/driftTimes.length;const framesOutOfSyncOnlyOnce=framesOutOfSync-framesSeverelyOutOfSync;let smoothnessScore=1-(framesOutOfSyncOnlyOnce+
 SEVERITY*framesSeverelyOutOfSync)/driftTimes.length;if(smoothnessScore<0){smoothnessScore=0;}
 return{framesOutOfSync,framesSeverelyOutOfSync,percentBadlyOutOfSync,percentOutOfSync,smoothnessScore};}
-return{webrtcRenderingMetric,};});'use strict';Polymer({is:'tr-ui-a-alert-sub-view',behaviors:[tr.ui.analysis.AnalysisSubView],ready(){this.currentSelection_=undefined;this.$.table.tableColumns=[{title:'Label',value(row){return row.name;},width:'150px'},{title:'Value',width:'100%',value(row){return row.value;}}];this.$.table.showHeader=false;},get selection(){return this.currentSelection_;},set selection(selection){this.currentSelection_=selection;this.updateContents_();},getRowsForSingleAlert_(alert){const rows=[];for(const argName in alert.args){const argView=document.createElement('tr-ui-a-generic-object-view');argView.object=alert.args[argName];rows.push({name:argName,value:argView});}
+return{webrtcRenderingMetric,};});'use strict';tr.exportTo('tr.metrics.webui',function(){function webuiMetric(histograms,model,opt_options){const chromeHelper=model.getOrCreateHelper(tr.model.helpers.ChromeModelHelper);if(!chromeHelper){return;}
+const WEBUI_TITLE_PREFIX='webui_metric:';const traces=new Map();const benchmarkValues=new Map();for(const helper of chromeHelper.browserHelpers){if(!helper.mainThread)continue;for(const slice of helper.mainThread.sliceGroup.slices.concat(helper.mainThread.asyncSliceGroup.slices)){if(!slice.error&&slice.title.startsWith(WEBUI_TITLE_PREFIX)){if(!traces.has(slice.title)){traces.set(slice.title,[]);}
+traces.get(slice.title).push(slice.duration);}}}
+const BENCHMARK_BEGIN='benchmark_begin';const BENCHMARK_END='benchmark_end';const BENCHMARK_VALUE='benchmark_value';const marks=new Map();for(const helper of Object.values(chromeHelper.rendererHelpers)){for(const event of helper.mainThread.sliceGroup.childEvents()){const navId=getNavigationId(event);if(!navId||!event.category.includes('blink.user_timing'))continue;const{title}=event;const index=title.lastIndexOf(':');if(index===-1){continue;}
+const name=title.substring(0,index);const lastPart=title.substring(index+1);if(lastPart===BENCHMARK_BEGIN){marks.set(name,event);}else if(lastPart===BENCHMARK_END){if(!marks.has(name)){continue;}
+const range=tr.b.math.Range.fromExplicitRange(marks.get(name).start,event.start);if(!traces.has(name)){traces.set(name,[]);}
+traces.get(name).push(range.duration);marks.delete(name);}else if(lastPart===BENCHMARK_VALUE){const index2=name.lastIndexOf(':');if(index2===-1){continue;}
+const key=name.substring(0,index2);const value=Number(name.substring(index2+1));if(key&&!isNaN(value)){if(!benchmarkValues.has(key)){benchmarkValues.set(key,[]);}
+benchmarkValues.get(key).push(value);}}}}
+traces.forEach((value,key)=>{histograms.createHistogram(key,tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,value);});benchmarkValues.forEach((value,key)=>{histograms.createHistogram(key,tr.b.Unit.byName.unitlessNumber_smallerIsBetter,value);});}
+function getNavigationId(event){return event.args.data&&event.args.data.navigationId;}
+tr.metrics.MetricRegistry.register(webuiMetric,{supportsRangeOfInterest:false,});return{webuiMetric,};});'use strict';Polymer({is:'tr-ui-a-alert-sub-view',behaviors:[tr.ui.analysis.AnalysisSubView],ready(){this.currentSelection_=undefined;this.$.table.tableColumns=[{title:'Label',value(row){return row.name;},width:'150px'},{title:'Value',width:'100%',value(row){return row.value;}}];this.$.table.showHeader=false;},get selection(){return this.currentSelection_;},set selection(selection){this.currentSelection_=selection;this.updateContents_();},getRowsForSingleAlert_(alert){const rows=[];for(const argName in alert.args){const argView=document.createElement('tr-ui-a-generic-object-view');argView.object=alert.args[argName];rows.push({name:argName,value:argView});}
 if(alert.associatedEvents.length){alert.associatedEvents.forEach(function(event,i){const linkEl=document.createElement('tr-ui-a-analysis-link');linkEl.setSelectionAndContent(new tr.model.EventSet(event),event.title);let valueString='';if(event instanceof tr.model.TimedEvent){valueString='took '+event.duration.toFixed(2)+'ms';}
 rows.push({name:linkEl,value:valueString});});}
 const descriptionEl=tr.ui.b.createDiv({textContent:alert.info.description,maxWidth:'300px'});rows.push({name:'Description',value:descriptionEl});if(alert.info.docLinks){alert.info.docLinks.forEach(function(linkObject){const linkEl=document.createElement('a');linkEl.target='_blank';linkEl.href=linkObject.href;Polymer.dom(linkEl).textContent=Polymer.dom(linkObject).textContent;rows.push({name:linkObject.label,value:linkEl});});}
@@ -9968,7 +9810,8 @@
 for(let i=0;i<subGroupRows.length;i++){rowsWithHeadings.push({row:subGroupRows[i],heading:(i===0?subGroup.title:'')});}}
 this.setPrebuiltSubRows(this.group_,rowsWithHeadings);}};function stripSlice_(slice){if(slice.subSlices!==undefined&&slice.subSlices.length===1){const subSlice=slice.subSlices[0];if(tr.b.math.approximately(subSlice.start,slice.start,1)&&tr.b.math.approximately(subSlice.duration,slice.duration,1)){return subSlice;}}
 return slice;}
-function makeLevelSubRows_(slices){const rows=[];const putSlice=(slice,level)=>{while(rows.length<=level){rows.push([]);}
+function makeLevelSubRows_(slices){const rows=[];const putSlice=(slice,level)=>{if(slice.hidden){return;}
+while(rows.length<=level){rows.push([]);}
 rows[level].push(slice);};const putSliceRecursively=(slice,level)=>{putSlice(slice,level);if(slice.subSlices!==undefined){for(const subSlice of slice.subSlices){putSliceRecursively(subSlice,level+1);}}};for(const slice of slices){putSliceRecursively(stripSlice_(slice),0);}
 return rows;}
 function groupAsyncSlicesIntoSubRows(slices,opt_skipSort){if(!opt_skipSort){slices.sort((x,y)=>x.start-y.start);}
@@ -10111,9 +9954,9 @@
 for(const labelEl of unsupportedLabelEls){Polymer.dom(this.tabStrip_).appendChild(labelEl);}
 if(previouslyActivePanelType&&supportedPanelTypes.includes(previouslyActivePanelType)){this.activePanelType=previouslyActivePanelType;Polymer.dom(this).setAttribute('expanded',true);}else{if(this.activePanel){Polymer.dom(this.activePanelContainer_).removeChild(this.activePanel);}
 Polymer.dom(this).removeAttribute('expanded');}},get rangeOfInterest(){return this.rangeOfInterest_;},set rangeOfInterest(range){if(range===undefined){throw new Error('Must not be undefined');}
-this.rangeOfInterest_=range;if(this.activePanel){this.activePanel.rangeOfInterest=range;}}});'use strict';Polymer({is:'tr-ui-timeline-view-help-overlay',ready(){const mod=tr.isMac?'cmd ':'ctrl';const spans=Polymer.dom(this.root).querySelectorAll('span.mod');for(let i=0;i<spans.length;i++){Polymer.dom(spans[i]).textContent=mod;}}});'use strict';Polymer({is:'tr-ui-timeline-view-metadata-overlay',created(){this.metadata_=undefined;},ready(){this.$.table.tableColumns=[{title:'name',value:d=>d.name,},{title:'value',value:d=>{const gov=document.createElement('tr-ui-a-generic-object-view');gov.object=d.value;return gov;},}];},get metadata(){return this.metadata_;},set metadata(metadata){this.metadata_=metadata;this.$.table.tableRows=this.metadata_;this.$.table.rebuild();}});'use strict';Polymer({is:'tr-v-ui-preferred-display-unit',ready(){this.preferredTimeDisplayMode_=undefined;},attached(){tr.b.Unit.didPreferredTimeDisplayUnitChange();},detached(){tr.b.Unit.didPreferredTimeDisplayUnitChange();},get preferredTimeDisplayMode(){return this.preferredTimeDisplayMode_;},set preferredTimeDisplayMode(v){if(this.preferredTimeDisplayMode_===v)return;this.preferredTimeDisplayMode_=v;tr.b.Unit.didPreferredTimeDisplayUnitChange();}});'use strict';const POLYFILL_WARNING_MESSAGE='Trace Viewer is running with WebComponentsV0 polyfill, and some '+'features may be broken. As a workaround, you may try running chrome '+'with "--enable-blink-features=ShadowDOMV0,CustomElementsV0,HTMLImports" '+'flag. See crbug.com/1036492.';Polymer({is:'tr-ui-timeline-view',created(){this.trackViewContainer_=undefined;this.queuedModel_=undefined;this.builtPromise_=undefined;this.doneBuilding_=undefined;},attached(){this.async(function(){this.trackViewContainer_=Polymer.dom(this).querySelector('#track_view_container');if(!this.trackViewContainer_){throw new Error('missing trackviewContainer');}
+this.rangeOfInterest_=range;if(this.activePanel){this.activePanel.rangeOfInterest=range;}}});'use strict';Polymer({is:'tr-ui-timeline-view-help-overlay',ready(){const mod=tr.isMac?'cmd ':'ctrl';const spans=Polymer.dom(this.root).querySelectorAll('span.mod');for(let i=0;i<spans.length;i++){Polymer.dom(spans[i]).textContent=mod;}}});'use strict';Polymer({is:'tr-ui-timeline-view-metadata-overlay',created(){this.metadata_=undefined;},ready(){this.$.table.tableColumns=[{title:'name',value:d=>d.name,},{title:'value',value:d=>{const gov=document.createElement('tr-ui-a-generic-object-view');gov.object=d.value;return gov;},}];},get metadata(){return this.metadata_;},set metadata(metadata){this.metadata_=metadata;this.$.table.tableRows=this.metadata_;this.$.table.rebuild();}});'use strict';Polymer({is:'tr-v-ui-preferred-display-unit',ready(){this.preferredTimeDisplayMode_=undefined;},attached(){tr.b.Unit.didPreferredTimeDisplayUnitChange();},detached(){tr.b.Unit.didPreferredTimeDisplayUnitChange();},get preferredTimeDisplayMode(){return this.preferredTimeDisplayMode_;},set preferredTimeDisplayMode(v){if(this.preferredTimeDisplayMode_===v)return;this.preferredTimeDisplayMode_=v;tr.b.Unit.didPreferredTimeDisplayUnitChange();}});'use strict';const POLYFILL_WARNING_MESSAGE='Trace Viewer is running with WebComponentsV0 polyfill, and some '+'features may be broken. See crbug.com/1036492.';Polymer({is:'tr-ui-timeline-view',created(){this.trackViewContainer_=undefined;this.queuedModel_=undefined;this.builtPromise_=undefined;this.doneBuilding_=undefined;},attached(){this.async(function(){this.trackViewContainer_=Polymer.dom(this).querySelector('#track_view_container');if(!this.trackViewContainer_){throw new Error('missing trackviewContainer');}
 if(this.queuedModel_)this.updateContents_();});},ready(){this.tabIndex=0;this.polyfillWarnedOnce_=false;this.titleEl_=this.$.title;this.leftControlsEl_=this.$.left_controls;this.rightControlsEl_=this.$.right_controls;this.collapsingControlsEl_=this.$.collapsing_controls;this.sidePanelContainer_=this.$.side_panel_container;this.brushingStateController_=new tr.c.BrushingStateController(this);this.findCtl_=this.$.view_find_control;this.findCtl_.controller=new tr.ui.FindController(this.brushingStateController_);this.scriptingCtl_=document.createElement('tr-ui-scripting-control');this.scriptingCtl_.controller=new tr.c.ScriptingController(this.brushingStateController_);this.sidePanelContainer_.brushingStateController=this.brushingStateController_;if(window.tr.metrics&&window.tr.metrics.sh&&window.tr.metrics.sh.SystemHealthMetric){this.railScoreSpan_=document.createElement('tr-metrics-ui-sh-system-health-span');Polymer.dom(this.rightControls).appendChild(this.railScoreSpan_);}else{this.railScoreSpan_=undefined;}
-this.flowEventFilter_=this.$.flow_event_filter_dropdown;this.processFilter_=this.$.process_filter_dropdown;this.optionsDropdown_=this.$.view_options_dropdown;this.selectedFlowEvents_=new Set();this.highlightVSync_=false;this.highlightVSyncCheckbox_=tr.ui.b.createCheckBox(this,'highlightVSync','tr.ui.TimelineView.highlightVSync',false,'Highlight VSync');Polymer.dom(this.optionsDropdown_).appendChild(this.highlightVSyncCheckbox_);this.initMetadataButton_();this.initConsoleButton_();this.initHelpButton_();Polymer.dom(this.collapsingControls).appendChild(this.scriptingCtl_);this.dragEl_=this.$.drag_handle;this.analysisEl_=this.$.analysis;this.analysisEl_.brushingStateController=this.brushingStateController_;this.addEventListener('requestSelectionChange',function(e){const sc=this.brushingStateController_;sc.changeSelectionFromRequestSelectionChangeEvent(e.selection);}.bind(this));this.onViewportChanged_=this.onViewportChanged_.bind(this);this.bindKeyListeners_();this.dragEl_.target=this.analysisEl_;},get globalMode(){return this.hotkeyController.globalMode;},set globalMode(globalMode){globalMode=!!globalMode;this.brushingStateController_.historyEnabled=globalMode;this.hotkeyController.globalMode=globalMode;},get hotkeyController(){return this.$.hkc;},warnPolyfill(){if(this.polyfillWarnedOnce_)return;console.warn(POLYFILL_WARNING_MESSAGE);this.polyfillWarnedOnce_=true;if(!window.__hideTraceViewerPolyfillWarning){const polyfillWarningsEl=Polymer.dom(this.root).querySelector('#polyfill-warning');polyfillWarningsEl.addMessage(POLYFILL_WARNING_MESSAGE,[{buttonText:'Hide',onClick:()=>polyfillWarningsEl.clearMessages()}]);}},updateDocumentFavicon(){let hue;if(!this.model){hue='blue';}else{hue=this.model.faviconHue;}
+this.flowEventFilter_=this.$.flow_event_filter_dropdown;this.processFilter_=this.$.process_filter_dropdown;this.optionsDropdown_=this.$.view_options_dropdown;this.selectedFlowEvents_=new Set();this.highlightVSync_=false;this.highlightVSyncCheckbox_=tr.ui.b.createCheckBox(this,'highlightVSync','tr.ui.TimelineView.highlightVSync',false,'Highlight VSync');Polymer.dom(this.optionsDropdown_).appendChild(this.highlightVSyncCheckbox_);this.initMetadataButton_();this.initConsoleButton_();this.initHelpButton_();Polymer.dom(this.collapsingControls).appendChild(this.scriptingCtl_);this.dragEl_=this.$.drag_handle;this.analysisEl_=this.$.analysis;this.analysisEl_.brushingStateController=this.brushingStateController_;this.addEventListener('requestSelectionChange',function(e){const sc=this.brushingStateController_;sc.changeSelectionFromRequestSelectionChangeEvent(e.selection);}.bind(this));this.onViewportChanged_=this.onViewportChanged_.bind(this);this.bindKeyListeners_();this.dragEl_.target=this.analysisEl_;},get globalMode(){return this.hotkeyController.globalMode;},set globalMode(globalMode){globalMode=!!globalMode;this.brushingStateController_.historyEnabled=globalMode;this.hotkeyController.globalMode=globalMode;},get hotkeyController(){return this.$.hkc;},warnPolyfill(){if(this.polyfillWarnedOnce_)return;console.warn(POLYFILL_WARNING_MESSAGE);this.polyfillWarnedOnce_=true;},updateDocumentFavicon(){let hue;if(!this.model){hue='blue';}else{hue=this.model.faviconHue;}
 let faviconData=tr.ui.b.FaviconsByHue[hue];if(faviconData===undefined){faviconData=tr.ui.b.FaviconsByHue.blue;}
 let link=Polymer.dom(document.head).querySelector('link[rel="shortcut icon"]');if(!link){link=document.createElement('link');link.rel='shortcut icon';Polymer.dom(document.head).appendChild(link);}
 link.href=faviconData;},get selectedFlowEvents(){return this.selectedFlowEvents_;},set selectedFlowEvents(selectedFlowEvents){this.selectedFlowEvents_=selectedFlowEvents;},get highlightVSync(){return this.highlightVSync_;},set highlightVSync(highlightVSync){this.highlightVSync_=highlightVSync;if(!this.trackView_)return;this.trackView_.viewport.highlightVSync=highlightVSync;},initHelpButton_(){const helpButtonEl=this.$.view_help_button;const dlg=new tr.ui.b.Overlay();dlg.title='Chrome Tracing Help';dlg.visible=false;dlg.appendChild(document.createElement('tr-ui-timeline-view-help-overlay'));function onClick(e){dlg.visible=!dlg.visible;e.stopPropagation();}
@@ -10192,7 +10035,8 @@
 if(config){return{excluded:config.excluded_categories||[],included:config.included_categories||[],};}}}
 function validateTraceCategories(requiredCategories,categories){if(!requiredCategories)return;if(!categories)throw new Error('Missing trace config metadata');for(const cat of requiredCategories){const isDisabledByDefault=(cat.indexOf('disabled-by-default')===0);let missing=false;if(isDisabledByDefault){if(!categories.included.includes(cat)){missing=true;}}else if(categories.excluded.includes(cat)){missing=true;}
 if(missing){throw new Error(`Trace is missing required category "${cat}"`);}}}
-function validateDiagnosticNames(histograms){for(const hist of histograms){for(const name of hist.diagnostics.keys()){if(tr.v.d.RESERVED_NAMES_SET.has(name)){throw new Error(`Illegal diagnostic name "${name}" on Histogram "${hist.name}"`);}}}}
+function validateDiagnosticNames(histograms){for(const hist of histograms){for(const name of hist.diagnostics.keys()){if(name===tr.v.d.RESERVED_NAMES.ALERT_GROUPING){continue;}
+if(tr.v.d.RESERVED_NAMES_SET.has(name)){throw new Error(`Illegal diagnostic name "${name}" on Histogram "${hist.name}"`);}}}}
 function addTelemetryInfo(histograms,model){for(const metadata of model.metadata){if(!metadata.value||!metadata.value.telemetry)continue;for(const[name,value]of Object.entries(metadata.value.telemetry)){const type=tr.v.d.RESERVED_NAMES_TO_TYPES.get(name);if(type===undefined){throw new Error(`Unexpected telemetry.${name}`);}
 histograms.addSharedDiagnosticToAllHistograms(name,new type(value));}}}
 function metricMapFunction(result,model,options){const histograms=runMetrics(model,options,result.addFailure.bind(result));addTelemetryInfo(histograms,model);if(model.canonicalUrl!==undefined){const info=tr.v.d.RESERVED_INFOS.TRACE_URLS;histograms.addSharedDiagnosticToAllHistograms(info.name,new info.type([model.canonicalUrl]));}
@@ -10291,7 +10135,7 @@
 if(names.includes(this.viewState.displayStatisticName)){this.displayStatisticName=this.viewState.displayStatisticName;this.$.statistic.value=this.displayStatisticName;}else{this.viewState.displayStatisticName=names[0]||'';}},get anyOverviewCharts_(){for(const row of tr.v.ui.HistogramSetTableRowState.walkAll(this.viewState.tableRowStates.values())){if(row.isOverviewed)return true;}
 return false;},async toggleOverviewLineCharts_(){const showOverviews=!this.anyOverviewCharts_;const mark=tr.b.Timing.mark('histogram-set-controls',(showOverviews?'show':'hide')+'OverviewCharts');for(const row of tr.v.ui.HistogramSetTableRowState.walkAll(this.viewState.tableRowStates.values())){await row.update({isOverviewed:showOverviews});}
 this.$.hide_overview.style.display=showOverviews?'inline':'none';this.$.show_overview.style.display=showOverviews?'none':'inline';await tr.b.animationFrame();mark.end();},set helpHref(href){this.$.help.href=href;this.$.help.style.display='inline';},set feedbackHref(href){this.$.feedback.href=href;this.$.feedback.style.display='inline';},clearSearch_(){this.set('searchQuery','');this.$.search.focus();},getAlphaString_(alphaIndex){return(''+ALPHA_OPTIONS[alphaIndex]).substr(0,5);},openAlphaSlider_(){const alphaButtonRect=this.$.alpha.getBoundingClientRect();this.$.alpha_slider_container.style.display='flex';this.$.alpha_slider_container.style.top=alphaButtonRect.bottom+'px';this.$.alpha_slider_container.style.left=alphaButtonRect.left+'px';this.$.alpha_slider.focus();},closeAlphaSlider_(){this.$.alpha_slider_container.style.display='';},updateAlpha_(){this.alphaIndex=this.$.alpha_slider.value;},getAlphaIndexFromViewState_(){for(let i=0;i<ALPHA_OPTIONS.length;++i){if(ALPHA_OPTIONS[i]>=this.viewState.alpha)return i;}
-return ALPHA_OPTIONS.length-1;},set enableVisualization(enable){this.$.show_visualization.style.display=enable?'inline':'none';},loadVisualization_(){tr.b.dispatchSimpleEvent(this,'loadVisualization',true,true,{});},});return{};});'use strict';tr.exportTo('tr.v',function(){class HistogramSetHierarchy{constructor(name){this.name=name;this.description='';this.depth=0;this.subRows=[];this.columns=new Map();}*walk(){yield this;for(const row of this.subRows)yield*row.walk();}
+return ALPHA_OPTIONS.length-1;},});return{};});'use strict';tr.exportTo('tr.v',function(){class HistogramSetHierarchy{constructor(name){this.name=name;this.description='';this.depth=0;this.subRows=[];this.columns=new Map();}*walk(){yield this;for(const row of this.subRows)yield*row.walk();}
 static*walkAll(rootRows){for(const rootRow of rootRows)yield*rootRow.walk();}
 static build(histogramArrayMap){const rootRows=[];HistogramSetHierarchy.buildInternal_(histogramArrayMap,[],rootRows);const histograms=new tr.v.HistogramSet();for(const row of HistogramSetHierarchy.walkAll(rootRows)){for(const hist of row.columns.values()){if(!(hist instanceof tr.v.Histogram))continue;histograms.addHistogram(hist);}}
 histograms.deduplicateDiagnostics();for(const row of HistogramSetHierarchy.walkAll(rootRows)){row.maybeRebin_();}
@@ -10387,48 +10231,11 @@
 return;}
 await this.updateContents_();},onSortColumnChanged_(event){tr.b.Timing.instant('histogram-set-table','sortColumn');this.viewState.update({sortColumnIndex:event.sortColumnIndex,sortDescending:event.sortDescending,});},onRequestSelectionChange_(event){if(event.selection instanceof tr.model.EventSet)return;event.stopPropagation();tr.b.Timing.instant('histogram-set-table','selectHistogramNames');let histogramNames=event.selection;histogramNames.sort();histogramNames=histogramNames.map(escapeRegExp).join('|');this.viewState.update({showAll:true,searchQuery:`^(${histogramNames})$`,});},get leafHistograms(){const histograms=new tr.v.HistogramSet();for(const row of
 tr.v.ui.HistogramSetTableRow.walkAll(this.$.table.tableRows)){if(row.subRows.length)continue;for(const hist of row.columns.values()){if(!(hist instanceof tr.v.Histogram))continue;histograms.addHistogram(hist);}}
-return histograms;}});return{MIDLINE_HORIZONTAL_ELLIPSIS,};});'use strict';tr.exportTo('tr.v.ui',function(){const PAGE_BREAKDOWN_KEY='pageBreakdown';Polymer({is:'tr-v-ui-metrics-visualization',created(){this.charts_=new Map();},ready(){this.$.start.addEventListener('keydown',(e)=>{if(e.key==='Enter')this.filterByPercentile_();});this.$.end.addEventListener('keydown',(e)=>{if(e.key==='Enter')this.filterByPercentile_();});this.$.search_page.addEventListener('keydown',(e)=>{if(e.key==='Enter')this.searchByPage_();});},build(chartData){this.title_=chartData.title;this.aggregateData_=chartData.aggregate;this.data_=chartData.page;this.submetricsData_=chartData.submetrics;this.benchmarkCount_=chartData.aggregate.length;const aggregateChart=this.initializeColumnChart(this.title_);Polymer.dom(this.$.aggregateContainer).appendChild(aggregateChart);this.charts_.set(tr.v.ui.AGGREGATE_KEY,aggregateChart);this.setChartColors_(tr.v.ui.AGGREGATE_KEY);aggregateChart.data=chartData.aggregate;this.setChartSize_(tr.v.ui.AGGREGATE_KEY);const newChart=this.initializeColumnChart(this.title_+' Breakdown');newChart.enableToolTip=true;newChart.toolTipCallBack=(rect)=>this.openChildChart_(rect);Polymer.dom(this.$.pageByPageContainer).appendChild(newChart);this.charts_.set(PAGE_BREAKDOWN_KEY,newChart);this.setChartColors_(PAGE_BREAKDOWN_KEY);newChart.data=this.data_;this.setChartSize_(PAGE_BREAKDOWN_KEY);},setChartSize_(page){const chart=this.charts_.get(page);const pageCount=chart.data.length;chart.graphHeight=tr.b.math.clamp(pageCount*20,400,600);chart.graphWidth=tr.b.math.clamp(pageCount*30,200,1000);},setChartColors_(page){const chart=this.charts_.get(page);const metrics=tr.v.ui.METRICS.get(this.title_);for(let i=0;i<this.benchmarkCount_;++i){for(let j=0;j<metrics.length;++j){const mainColorIndex=j%tr.v.ui.COLORS.length;const subColorIndex=i%tr.v.ui.COLORS[mainColorIndex].length;const color=tr.v.ui.COLORS[mainColorIndex][subColorIndex];const series=metrics[j]+'-'+this.aggregateData_[i].x;chart.getDataSeries(series).color=color;if(i===0){chart.getDataSeries(series).title=metrics[j];}else{chart.getDataSeries(series).title='';}}}},initializeColumnChart(title){const newChart=new tr.ui.b.NameColumnChart();newChart.hideLegend=false;newChart.isStacked=true;newChart.yAxisLabel='ms';newChart.hideXAxis=true;newChart.displayXInHover=true;newChart.isGrouped=true;newChart.showTitleInLegend=true;newChart.chartTitle=title;newChart.titleHeight='14pt';return newChart;},initializeChildChart_(title,height,width){const div=document.createElement('div');div.classList.add('container');Polymer.dom(this.$.submetricsContainer).insertBefore(div,this.$.submetricsContainer.firstChild);const childChart=new tr.ui.b.NameBarChart();childChart.xAxisLabel='ms';childChart.chartTitle=title;childChart.graphHeight=height;childChart.graphWidth=width;childChart.titleHeight='14pt';childChart.isStacked=true;childChart.hideLegend=true;childChart.isGrouped=true;childChart.isWaterfall=true;div.appendChild(childChart);const button=this.initializeCloseButton_(div,this.$.submetricsContainer);div.appendChild(button);return childChart;},initializeCloseButton_(div,parent){const button=this.$.close.cloneNode(true);button.style.display='inline-block';button.addEventListener('click',()=>{Polymer.dom(parent).removeChild(div);});return button;},openChildChart_(rect){const metrics=tr.v.ui.METRICS.get(this.title_);let metric;let metricIndex;for(let i=0;i<metrics.length;++i){if(rect.key.startsWith(metrics[i])){metric=metrics[i];metricIndex=i;break;}}
-const page=rect.datum.group;const title=this.title_+' '+metric+': '+page;const submetrics=this.submetricsData_.get(page).get(metric);const width=tr.b.math.clamp(submetrics.size*150,300,700);const height=tr.b.math.clamp(submetrics.size*this.benchmarkCount_*50,300,700);const childChart=this.initializeChildChart_(title,height,width);childChart.data=this.processSubmetrics_(childChart,submetrics,0,metricIndex).data;},processSubmetrics_(chart,submetrics,hideValue,metricIndex){const finalData=[];let submetricIndex=0;for(const submetric of submetrics.values()){let benchmarkIndex=0;for(const benchmark of submetric.values()){benchmark.hide=!hideValue?0:hideValue;const series=benchmark.x+'-'+benchmark.group;const mainColorIndex=metricIndex%tr.v.ui.COLORS.length;const subColorIndex=benchmarkIndex%tr.v.ui.COLORS[mainColorIndex].length;chart.getDataSeries(series).color=tr.v.ui.COLORS[mainColorIndex][subColorIndex];if(benchmarkIndex===(this.benchmarkCount_-1)){hideValue+=benchmark[series];}
-finalData.push(benchmark);benchmarkIndex++;}
-submetricIndex++;}
-return{data:finalData,hide:hideValue};},filterByPercentile_(){const startPercentile=this.$.start.value;const endPercentile=this.$.end.value;if(startPercentile===''||endPercentile==='')return;const length=this.data_.length/(this.benchmarkCount_+1);const startIndex=this.getPercentileIndex_(startPercentile,length);const endIndex=this.getPercentileIndex_(endPercentile,length);this.charts_.get(PAGE_BREAKDOWN_KEY).data=this.data_.slice(startIndex,endIndex);},getPercentileIndex_(percentile,arrayLength){const index=Math.ceil(arrayLength*(percentile/100.0));if(index===-1)return 0;if(index>=arrayLength)return arrayLength;return index*this.benchmarkCount_;},searchByPage_(){const criteria=this.$.search_page.value;if(criteria==='')return;const query=new RegExp(criteria);const filteredData=[...this.data_].filter(group=>{if(group.group)return group.group.match(query);return false;});if(filteredData.length<1){this.$.search_error.style.display='block';return;}
-const page=filteredData[0].group;const title=this.title_+' Breakdown: '+page;const metricToSubmetricMap=this.submetricsData_.get(page);let totalSubmetrics=0;for(const submetrics of metricToSubmetricMap.values()){for(const benchmark of submetrics.values()){totalSubmetrics+=benchmark.length;}}
-const width=tr.b.math.clamp(totalSubmetrics*150,300,700);const height=tr.b.math.clamp(totalSubmetrics*this.benchmarkCount_*30,300,700);const childChart=this.initializeChildChart_(title,height,width);const childData=[];let hide=0;let metricIndex=0;for(const submetrics of metricToSubmetricMap.values()){const submetricsData=this.processSubmetrics_(childChart,submetrics,hide,metricIndex);childData.push(...submetricsData.data);hide=submetricsData.hide;metricIndex++;}
-childChart.data=childData;},});});'use strict';Polymer({is:'tr-v-ui-raster-visualization',ready(){this.$.pageSelector.addEventListener('click',()=>{this.selectPage_();});this.$.search_page.addEventListener('keydown',(e)=>{if(e.key==='Enter')this.searchByPage_();});this.$.search_button.addEventListener('click',()=>{this.searchByPage_();});},build(chartData){this.data_=chartData;const aggregateChart=this.createChart_('Aggregate Data by Run');Polymer.dom(this.$.aggregateContainer).appendChild(aggregateChart);aggregateChart.enableToolTip=true;aggregateChart.toolTipCallBack=(rect)=>this.openBenchmarkChart_(rect);this.setChartColors_(aggregateChart,this.data_.get(tr.v.ui.AGGREGATE_KEY));aggregateChart.data=this.data_.get(tr.v.ui.AGGREGATE_KEY);this.setChartSize_(aggregateChart,this.data_.get(tr.v.ui.AGGREGATE_KEY).length);for(const page of this.data_.keys()){if(page===tr.v.ui.AGGREGATE_KEY)continue;const option=document.createElement('option');option.textContent=page;option.value=page;this.$.pageSelector.appendChild(option);}},setChartSize_(chart,pageCount,dataLength){chart.graphHeight=tr.b.math.clamp(pageCount*25,175,1000);chart.graphWidth=tr.b.math.clamp(pageCount*25,500,1000);},setChartColors_(chart,data){const metrics=new Map();let count=0;for(const thread of tr.v.ui.FRAME.values()){for(const metric of thread.keys()){metrics.set(metric,count);count++;}}
-for(let i=0;i<Math.floor(data.length/tr.v.ui.FRAME.length);++i){let j=0;for(const[threadName,thread]of tr.v.ui.FRAME.entries()){for(const metric of thread.keys()){let color='transparent';if(thread.get(metric)){const mainColorIndex=metrics.get(metric)%tr.v.ui.COLORS.length;const subColorIndex=i%tr.v.ui.COLORS[mainColorIndex].length;color=tr.v.ui.COLORS[mainColorIndex][subColorIndex];}
-const series=metric+'-'+data[i*2+j].x+'-'+threadName;chart.getDataSeries(series).color=color;chart.getDataSeries(series).title=!i?metric:'';}
-j++;}}},createChart_(title){const newChart=new tr.ui.b.NameBarChart();newChart.chartTitle=title;newChart.xAxisLabel='ms';newChart.hideLegend=false;newChart.showTitleInLegend=true;newChart.hideYAxis=true;newChart.isStacked=true;newChart.displayXInHover=true;newChart.isGrouped=true;return newChart;},openBenchmarkChart_(rect){const benchmarkIndex=Math.floor(rect.index/tr.v.ui.FRAME.length);const title=rect.datum.x;const div=document.createElement('div');Polymer.dom(this.$.pageContainer).insertBefore(div,this.$.pageContainer.firstChild);const chart=this.createChart_(title);div.appendChild(chart);const button=this.initializeCloseButton_(div,this.$.pageContainer);div.appendChild(button);const newDataSet=[];for(const page of this.data_.keys()){if(page===tr.v.ui.AGGREGATE_KEY)continue;for(let i=0;i<tr.v.ui.FRAME.length;i++){newDataSet.push(this.data_.get(page)[benchmarkIndex*tr.v.ui.FRAME.length+i]);}}
-this.setChartColors_(chart,newDataSet);chart.data=newDataSet;this.setChartSize_(chart,newDataSet.length);},selectPage_(){const div=document.createElement('div');const page=this.$.pageSelector.value;if(page==='')return;Polymer.dom(this.$.pageContainer).insertBefore(div,this.$.pageContainer.firstChild);const pageChart=this.createChart_(page);div.appendChild(pageChart);const button=this.initializeCloseButton_(div,this.$.pageContainer);div.appendChild(button);const pageData=this.data_.get(page);this.setChartColors_(pageChart,pageData);pageChart.data=pageData;this.setChartSize_(pageChart,pageData.length);},searchByPage_(){const criteria=this.$.search_page.value;if(criteria==='')return;const query=new RegExp(criteria);const filteredData=[...this.data_.keys()].filter(page=>page.match(query));if(filteredData.length<1){this.$.search_error.style.display='block';return;}
-const page=filteredData[0];const div=document.createElement('div');Polymer.dom(this.$.pageContainer).insertBefore(div,this.$.pageContainer.firstChild);const pageChart=this.createChart_(page);div.appendChild(pageChart);const button=this.initializeCloseButton_(div,this.$.pageContainer);div.appendChild(button);const pageData=this.data_.get(page);this.setChartColors_(pageChart,pageData);pageChart.data=pageData;this.setChartSize_(pageChart,pageData.length);},initializeCloseButton_(div,parent){const button=this.$.close.cloneNode(true);button.style.display='inline-block';button.addEventListener('click',()=>{Polymer.dom(parent).removeChild(div);});return button;},});'use strict';tr.exportTo('tr.v.ui',function(){const STATISTICS_KEY='statistics';const SUBMETRICS_KEY='submetrics';const AGGREGATE_KEY='aggregate';const RASTER_START_METRIC_KEY='pipeline:begin_frame_to_raster_start';const COLORS=[['#FFD740','#FFC400','#FFAB00','#E29800'],['#FF6E40','#FF3D00','#DD2C00','#A32000'],['#40C4FF','#00B0FF','#0091EA','#006DAF'],['#89C641','#54B503','#4AA510','#377A0D'],['#B388FF','#7C4DFF','#651FFF','#6200EA'],['#FF80AB','#FF4081','#F50057','#C51162'],['#FFAB40','#FF9100','#FF6D00','#D65C02'],['#8C9EFF','#536DFE','#3D5AFE','#304FFE']];const FRAME=[new Map([['pipeline:begin_frame_to_raster_start',false],['pipeline:begin_frame_to_raster_end',true]]),new Map([['pipeline:begin_frame_transport',true],['pipeline:begin_frame_to_frame_submission',true],['pipeline:frame_submission_to_display',true],['pipeline:draw',true]])];const METRICS=new Map([['Pipeline',['pipeline:begin_frame_transport','pipeline:begin_frame_to_frame_submission','pipeline:frame_submission_to_display','pipeline:draw']],['Thread',['thread_browser_cpu_time_per_frame','thread_display_compositor_cpu_time_per_frame','thread_GPU_cpu_time_per_frame','thread_IO_cpu_time_per_frame','thread_other_cpu_time_per_frame','thread_raster_cpu_time_per_frame','thread_renderer_compositor_cpu_time_per_frame','thread_renderer_main_cpu_time_per_frame']]]);function getValueFromMap(key,map){let retrievedValue=map.get(key);if(!retrievedValue){retrievedValue=new Map();map.set(key,retrievedValue);}
-return retrievedValue;}
-Polymer({is:'tr-v-ui-visualizations-data-container',created(){this.orderedBenchmarks_=[];this.groupedData_=new Map();},build(leafHistograms,histograms){if(!leafHistograms||leafHistograms.length<1||!histograms||histograms.length<1){this.$.data_error.style.display='block';return;}
-this.processHistograms_(this.groupHistograms_(histograms),this.groupHistograms_(leafHistograms));this.buildCharts_();},processHistograms_(histograms,leafHistograms){const benchmarkStartGrouping=tr.v.HistogramGrouping.BY_KEY.get(tr.v.d.RESERVED_NAMES.BENCHMARK_START);const benchmarkToStartTime=new Map();for(const[metric,benchmarks]of histograms.entries()){for(const[benchmark,pages]of leafHistograms.get(metric).entries()){for(const[page,histograms]of pages.entries()){for(const histogram of histograms){const aggregateToBenchmarkMap=getValueFromMap(AGGREGATE_KEY,this.groupedData_);const benchmarkToMetricMap=getValueFromMap(benchmark,aggregateToBenchmarkMap);benchmarkToMetricMap.set(metric,new Map([[STATISTICS_KEY,histogram.running]]));}}}
-for(const[benchmark,pages]of benchmarks.entries()){for(const[page,histograms]of pages.entries()){for(const histogram of histograms){if(!benchmarkToStartTime.get(benchmark)){benchmarkToStartTime.set(benchmark,benchmarkStartGrouping.callback(histogram));}
-const pageToBenchmarkMap=getValueFromMap(page,this.groupedData_);const benchmarkToMetricMap=getValueFromMap(benchmark,pageToBenchmarkMap);const mergedSubmetrics=new tr.v.d.DiagnosticMap();for(const bin of histogram.allBins){for(const map of bin.diagnosticMaps){mergedSubmetrics.addDiagnostics(map);}}
-if(benchmarkToMetricMap.get(metric))continue;benchmarkToMetricMap.set(metric,new Map([[STATISTICS_KEY,histogram.running],[SUBMETRICS_KEY,mergedSubmetrics.get('breakdown')]]));}}}}
-this.orderedBenchmarks_=this.sortBenchmarks_(benchmarkToStartTime);},groupHistograms_(histograms){const groupings=[tr.v.HistogramGrouping.HISTOGRAM_NAME,tr.v.HistogramGrouping.DISPLAY_LABEL,tr.v.HistogramGrouping.BY_KEY.get(tr.v.d.RESERVED_NAMES.STORIES)];return histograms.groupHistogramsRecursively(groupings);},sortBenchmarks_(benchmarks){return Array.from(benchmarks.keys()).sort((a,b)=>{Date.parse(benchmarks.get(a))-Date.parse(benchmarks.get(b));});},getSeriesKey_(metric,benchmark){return metric+'-'+benchmark;},buildCharts_(){const rasterDataToBePassed=this.buildRasterChart_();this.$.rasterVisualization.build(rasterDataToBePassed);for(const chartName of METRICS.keys()){const metricsDataToBePassed=this.buildMetricsData_(chartName);const newChart=this.$.metricsVisualization.cloneNode(true);newChart.style.display='block';Polymer.dom(this.$.metrics_container).appendChild(newChart);newChart.build(metricsDataToBePassed);}},buildRasterChart_(){const orderedPages=[...this.groupedData_.keys()].filter((page)=>this.filterPagesWithoutRasterMetric_(page)).sort((a,b)=>this.sortByRasterStart_(a,b));const allChartData=new Map();for(const page of orderedPages){const pageMap=this.groupedData_.get(page);let chartData=[];for(const benchmark of this.orderedBenchmarks_){if(!pageMap.has(benchmark))continue;const benchmarkMap=pageMap.get(benchmark);const benchmarkData=[];if(benchmarkMap.get(RASTER_START_METRIC_KEY)===undefined){continue;}
-for(const[threadName,thread]of FRAME.entries()){const data={x:benchmark,hide:0};if(page!==AGGREGATE_KEY)data.group=page;let rasterBegin=0;for(const metric of thread.keys()){const metricMap=benchmarkMap.get(metric);const key=this.getSeriesKey_(metric,data.x+'-'+threadName);const stats=metricMap.get(STATISTICS_KEY);const mean=stats?stats.mean:0;let roundedMean=Math.round(mean*100)/100;if(metric===RASTER_START_METRIC_KEY){rasterBegin=roundedMean;}else if(metric==='pipeline:begin_frame_to_raster_end'){roundedMean-=rasterBegin;}
-data[key]=roundedMean;}
-benchmarkData.push(data);}
-chartData=chartData.concat(benchmarkData);}
-allChartData.set(page,chartData);}
-return allChartData;},buildMetricsData_(chartName){const orderedPages=[...this.groupedData_.keys()].sort((a,b)=>this.sortByTotal_(a,b,chartName));const chartData=[];const aggregateChart=[];for(const page of orderedPages){const pageMap=this.groupedData_.get(page);for(const benchmark of this.orderedBenchmarks_){if(!pageMap.has(benchmark))continue;const data={x:benchmark,group:page};const benchmarkMap=pageMap.get(benchmark);for(const metric of METRICS.get(chartName)){const metricMap=benchmarkMap.get(metric);const key=this.getSeriesKey_(metric,benchmark);const stats=metricMap.get(STATISTICS_KEY);const mean=stats?stats.mean:0;data[key]=Math.round(mean*100)/100;}
-if(page===AGGREGATE_KEY){aggregateChart.push(data);}else{chartData.push(data);}}
-chartData.push({});}
-chartData.shift();return{title:chartName,aggregate:aggregateChart,page:chartData,submetrics:this.processSubmetricsData_(chartName)};},submetricsHelper_(submetric,value,benchmark,metricToSubmetricMap){let submetricToBenchmarkMap=metricToSubmetricMap.get(submetric);if(!submetricToBenchmarkMap){submetricToBenchmarkMap=[];metricToSubmetricMap.set(submetric,submetricToBenchmarkMap);}
-const data={x:submetric,hide:0,group:benchmark};const mean=value;const roundedMean=Math.round(mean*100)/100;if(!roundedMean)return;data[this.getSeriesKey_(submetric,benchmark)]=roundedMean;submetricToBenchmarkMap.push(data);},processSubmetricsData_(chartName){const submetrics=new Map();for(const[page,pageMap]of this.groupedData_.entries()){if(page===AGGREGATE_KEY)continue;const pageToMetricMap=getValueFromMap(page,submetrics);for(const benchmark of this.orderedBenchmarks_){const benchmarkMap=pageMap.get(benchmark);if(!benchmarkMap)continue;for(const metric of METRICS.get(chartName)){const metricMap=benchmarkMap.get(metric);const metricToSubmetricMap=getValueFromMap(metric,pageToMetricMap);const submetrics=metricMap.get(SUBMETRICS_KEY);if(!submetrics){this.submetricsHelper_(metric,metricMap.get(STATISTICS_KEY),benchmark,metricToSubmetricMap);continue;}
-for(const[submetric,value]of[...submetrics]){this.submetricsHelper_(submetric,value,benchmark,metricToSubmetricMap);}}}}
-return submetrics;},sortByTotal_(a,b,chartName){if(a===AGGREGATE_KEY)return-1;if(b===AGGREGATE_KEY)return 1;let aValue=0;const aMap=this.groupedData_.get(a);if(aMap.get(this.orderedBenchmarks_[0])!==undefined){for(const metric of METRICS.get(chartName)){const aMetricMap=aMap.get(this.orderedBenchmarks_[0]).get(metric);const aStats=aMetricMap.get(STATISTICS_KEY);aValue+=aStats?aStats.mean:0;}}
-let bValue=0;const bMap=this.groupedData_.get(b);if(bMap.get(this.orderedBenchmarks_[0])!==undefined){for(const metric of METRICS.get(chartName)){const bMetricMap=bMap.get(this.orderedBenchmarks_[0]).get(metric);const bStats=bMetricMap.get(STATISTICS_KEY);bValue+=bStats?bStats.mean:0;}}
-return aValue-bValue;},filterPagesWithoutRasterMetric_(page){const pageMap=this.groupedData_.get(page);for(const benchmark of this.orderedBenchmarks_){const pageMetricMap=pageMap.get(benchmark);if(!pageMetricMap)continue;const wantedMetric=pageMetricMap.get(RASTER_START_METRIC_KEY);if(wantedMetric!==undefined)return true;}
-return false;},sortByRasterStart_(a,b){if(a===AGGREGATE_KEY)return 1;if(b===AGGREGATE_KEY)return-1;let aValue=0;const aMap=this.groupedData_.get(a);if(aMap.get(this.orderedBenchmarks_[0])!==undefined){const aMetricMap=aMap.get(this.orderedBenchmarks_[0]).get(RASTER_START_METRIC_KEY);const aStats=aMetricMap.get(STATISTICS_KEY);aValue=aStats?aStats.mean:0;}
-let bValue=0;const bMap=this.groupedData_.get(b);if(bMap.get(this.orderedBenchmarks_[0])!==undefined){const bMetricMap=bMap.get(this.orderedBenchmarks_[0]).get(RASTER_START_METRIC_KEY);const bStats=bMetricMap.get(STATISTICS_KEY);bValue=bStats?bStats.mean:0;}
-return bValue-aValue;},});return{STATISTICS_KEY,SUBMETRICS_KEY,AGGREGATE_KEY,COLORS,FRAME,METRICS,getValueFromMap,};});'use strict';tr.exportTo('tr.v.ui',function(){Polymer({is:'tr-v-ui-histogram-set-view',listeners:{export:'onExport_',loadVisualization:'onLoadVisualization_'},created(){this.brushingStateController_=new tr.ui.NullBrushingStateController();this.viewState_=new tr.v.ui.HistogramSetViewState();this.visualizationLoaded_=false;},ready(){this.$.table.viewState=this.viewState;this.$.controls.viewState=this.viewState;},attached(){this.brushingStateController.parentController=tr.c.BrushingStateController.getControllerForElement(this.parentNode);},get brushingStateController(){return this.brushingStateController_;},get viewState(){return this.viewState_;},get histograms(){return this.$.table.histograms;},async build(histograms,opt_options){const options=opt_options||{};const progress=options.progress||(()=>Promise.resolve());if(options.helpHref)this.$.controls.helpHref=options.helpHref;if(options.feedbackHref){this.$.controls.feedbackHref=options.feedbackHref;}
+return histograms;}});return{MIDLINE_HORIZONTAL_ELLIPSIS,};});'use strict';tr.exportTo('tr.v.ui',function(){Polymer({is:'tr-v-ui-histogram-set-view',listeners:{export:'onExport_',},created(){this.brushingStateController_=new tr.ui.NullBrushingStateController();this.viewState_=new tr.v.ui.HistogramSetViewState();},ready(){this.$.table.viewState=this.viewState;this.$.controls.viewState=this.viewState;},attached(){this.brushingStateController.parentController=tr.c.BrushingStateController.getControllerForElement(this.parentNode);},get brushingStateController(){return this.brushingStateController_;},get viewState(){return this.viewState_;},get histograms(){return this.$.table.histograms;},async build(histograms,opt_options){const options=opt_options||{};const progress=options.progress||(()=>Promise.resolve());if(options.helpHref)this.$.controls.helpHref=options.helpHref;if(options.feedbackHref){this.$.controls.feedbackHref=options.feedbackHref;}
 if(histograms===undefined||histograms.length===0){this.$.container.style.display='none';this.$.zero.style.display='block';this.style.display='block';return;}
-this.$.zero.style.display='none';this.$.container.style.display='block';this.$.container.style.maxHeight=(window.innerHeight-16)+'px';const buildMark=tr.b.Timing.mark('histogram-set-view','build');await progress('Finding important Histograms...');const sourceHistogramsMark=tr.b.Timing.mark('histogram-set-view','sourceHistograms');const sourceHistograms=histograms.sourceHistograms;sourceHistogramsMark.end();this.$.controls.showAllEnabled=(sourceHistograms.length!==histograms.length);await progress('Collecting parameters...');const collectParametersMark=tr.b.Timing.mark('histogram-set-view','collectParameters');const parameterCollector=new tr.v.HistogramParameterCollector();parameterCollector.process(histograms);this.$.controls.baseStatisticNames=parameterCollector.statisticNames;this.$.controls.possibleGroupings=parameterCollector.possibleGroupings;const displayLabels=parameterCollector.labels;this.$.controls.displayLabels=displayLabels;collectParametersMark.end();const hist=[...histograms][0];const benchmarks=hist.diagnostics.get(tr.v.d.RESERVED_NAMES.BENCHMARKS);let enable=false;if(benchmarks!==undefined&&benchmarks.length>0){for(const benchmark of benchmarks){if(benchmark.includes('rendering')){enable=true;break;}}}
-this.$.controls.enableVisualization=enable;await this.$.table.build(histograms,sourceHistograms,displayLabels,progress);buildMark.end();},onExport_(event){const mark=tr.b.Timing.mark('histogram-set-view','export'+
+this.$.zero.style.display='none';this.$.container.style.display='block';this.$.container.style.maxHeight=(window.innerHeight-16)+'px';const buildMark=tr.b.Timing.mark('histogram-set-view','build');await progress('Finding important Histograms...');const sourceHistogramsMark=tr.b.Timing.mark('histogram-set-view','sourceHistograms');const sourceHistograms=histograms.sourceHistograms;sourceHistogramsMark.end();this.$.controls.showAllEnabled=(sourceHistograms.length!==histograms.length);await progress('Collecting parameters...');const collectParametersMark=tr.b.Timing.mark('histogram-set-view','collectParameters');const parameterCollector=new tr.v.HistogramParameterCollector();parameterCollector.process(histograms);this.$.controls.baseStatisticNames=parameterCollector.statisticNames;this.$.controls.possibleGroupings=parameterCollector.possibleGroupings;const displayLabels=parameterCollector.labels;this.$.controls.displayLabels=displayLabels;collectParametersMark.end();await this.$.table.build(histograms,sourceHistograms,displayLabels,progress);buildMark.end();},onExport_(event){const mark=tr.b.Timing.mark('histogram-set-view','export'+
 (event.merged?'Merged':'Raw')+event.format.toUpperCase());const histograms=event.merged?this.$.table.leafHistograms:this.histograms;let blob;if(event.format==='csv'){const csv=new tr.v.CSVBuilder(histograms);csv.build();blob=new window.Blob([csv.toString()],{type:'text/csv'});}else if(event.format==='json'){blob=new window.Blob([JSON.stringify(histograms.asDicts())],{type:'text/json'});}else{throw new Error(`Unable to export format "${event.format}"`);}
-const path=window.location.pathname.split('/');const basename=path[path.length-1].split('.')[0]||'histograms';const anchor=document.createElement('a');anchor.download=`${basename}.${event.format}`;anchor.href=window.URL.createObjectURL(blob);anchor.click();mark.end();},onLoadVisualization_(event){if(!this.visualizationLoaded_){this.$.visualizations.style.display='block';this.$.visualizations.build(this.$.table.leafHistograms,this.histograms);this.visualizationLoaded_=true;}else if(this.$.visualizations.style.display==='none'){this.$.visualizations.style.display='block';}else{this.$.visualizations.style.display='none';}},});return{};});'use strict';tr.exportTo('tr.ui',function(){Polymer({is:'tr-ui-sp-metrics-side-panel',behaviors:[tr.ui.behaviors.SidePanel],ready(){this.model_=undefined;this.rangeOfInterest_=undefined;this.metricLatenciesMs_=[];this.metrics_=[];tr.metrics.MetricRegistry.getAllRegisteredTypeInfos().forEach(function(m){if(m.constructor.name==='sampleMetric')return;this.metrics_.push({label:m.constructor.name,value:m.constructor.name});},this);this.metrics_.sort((x,y)=>x.label.localeCompare(y.label));this.settingsKey_='metrics-side-panel-metric-name';this.currentMetricName_='responsivenessMetric';const metricSelector=tr.ui.b.createSelector(this,'currentMetricName_',this.settingsKey_,this.currentMetricName_,this.metrics_);Polymer.dom(this.$.top_left_controls).appendChild(metricSelector);metricSelector.addEventListener('change',this.onMetricChange_.bind(this));this.currentMetricTypeInfo_=tr.metrics.MetricRegistry.findTypeInfoWithName(this.currentMetricName_);this.recomputeButton_=tr.ui.b.createButton('Recompute',this.onRecompute_,this);Polymer.dom(this.$.top_left_controls).appendChild(this.recomputeButton_);this.$.results.addEventListener('display-ready',()=>{this.$.results.style.display='';});},async build(model){this.model_=model;await this.updateContents_();},get metricLatencyMs(){return tr.b.math.Statistics.mean(this.metricLatenciesMs_);},onMetricChange_(){this.currentMetricTypeInfo_=tr.metrics.MetricRegistry.findTypeInfoWithName(this.currentMetricName_);this.metricLatenciesMs_=[];this.updateContents_();},onRecompute_(){this.updateContents_();},get textLabel(){return'Metrics';},supportsModel(m){if(!m){return{supported:false,reason:'No model available'};}
+const path=window.location.pathname.split('/');const basename=path[path.length-1].split('.')[0]||'histograms';const anchor=document.createElement('a');anchor.download=`${basename}.${event.format}`;anchor.href=window.URL.createObjectURL(blob);anchor.click();mark.end();},});return{};});'use strict';tr.exportTo('tr.ui',function(){Polymer({is:'tr-ui-sp-metrics-side-panel',behaviors:[tr.ui.behaviors.SidePanel],ready(){this.model_=undefined;this.rangeOfInterest_=undefined;this.metricLatenciesMs_=[];this.metrics_=[];tr.metrics.MetricRegistry.getAllRegisteredTypeInfos().forEach(function(m){if(m.constructor.name==='sampleMetric')return;this.metrics_.push({label:m.constructor.name,value:m.constructor.name});},this);this.metrics_.sort((x,y)=>x.label.localeCompare(y.label));this.settingsKey_='metrics-side-panel-metric-name';this.currentMetricName_='responsivenessMetric';const metricSelector=tr.ui.b.createSelector(this,'currentMetricName_',this.settingsKey_,this.currentMetricName_,this.metrics_);Polymer.dom(this.$.top_left_controls).appendChild(metricSelector);metricSelector.addEventListener('change',this.onMetricChange_.bind(this));this.currentMetricTypeInfo_=tr.metrics.MetricRegistry.findTypeInfoWithName(this.currentMetricName_);this.recomputeButton_=tr.ui.b.createButton('Recompute',this.onRecompute_,this);Polymer.dom(this.$.top_left_controls).appendChild(this.recomputeButton_);this.$.results.addEventListener('display-ready',()=>{this.$.results.style.display='';});},async build(model){this.model_=model;await this.updateContents_();},get metricLatencyMs(){return tr.b.math.Statistics.mean(this.metricLatenciesMs_);},onMetricChange_(){this.currentMetricTypeInfo_=tr.metrics.MetricRegistry.findTypeInfoWithName(this.currentMetricName_);this.metricLatenciesMs_=[];this.updateContents_();},onRecompute_(){this.updateContents_();},get textLabel(){return'Metrics';},supportsModel(m){if(!m){return{supported:false,reason:'No model available'};}
 return{supported:true};},get model(){return this.model_;},set model(model){this.build(model);},get selection(){},set selection(_){},get rangeOfInterest(){return this.rangeOfInterest_;},set rangeOfInterest(range){this.rangeOfInterest_=range;if(this.currentMetricTypeInfo_&&this.currentMetricTypeInfo_.metadata.supportsRangeOfInterest){if((this.metricLatencyMs===undefined)||(this.metricLatencyMs<100)){this.updateContents_();}else{this.recomputeButton_.style.background='red';}}},async updateContents_(){Polymer.dom(this.$.error).textContent='';this.$.results.style.display='none';if(!this.model_){Polymer.dom(this.$.error).textContent='Missing model';return;}
 const options={metrics:[this.currentMetricName_]};if(this.currentMetricTypeInfo_&&this.currentMetricTypeInfo_.metadata.supportsRangeOfInterest&&this.rangeOfInterest&&!this.rangeOfInterest.isEmpty){options.rangeOfInterest=this.rangeOfInterest;}
 const startDate=new Date();const addFailureCb=failure=>{Polymer.dom(this.$.error).textContent=failure.description;};const histograms=tr.metrics.runMetrics(this.model_,options,addFailureCb);this.metricLatenciesMs_.push(new Date()-startDate);while(this.metricLatenciesMs_.length>20){this.metricLatenciesMs_.shift();}
diff --git a/tests/dartdevc/container_test.dart b/tests/dartdevc/container_test.dart
new file mode 100644
index 0000000..54d2165
--- /dev/null
+++ b/tests/dartdevc/container_test.dart
@@ -0,0 +1,38 @@
+// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Tests that evaluation containers aren't renamed by DDC.
+
+import 'dart:_foreign_helper' as helper show JS;
+
+import 'package:expect/expect.dart';
+
+class T {
+  final int T$Eval = 0;
+  final int S$Eval = 0;
+  String get realT$Eval => helper.JS<String>('', 'T\$Eval.toString()');
+  String get realS$Eval => helper.JS<String>('', 'S\$Eval.toString()');
+}
+
+class T$Eval {}
+
+void main() {
+  var T$Eval = T();
+  var S$Eval = T$Eval;
+
+  var container1 = helper.JS<String>('', 'T\$Eval.toString()');
+  var container2 = helper.JS<String>('', 'S\$Eval.toString()');
+
+  // Evaluation containers are JS Objects. Ensure they aren't shadowed by JS
+  // symbols or Dart constructs.
+  Expect.equals('[object Object]', '$container1');
+  Expect.equals('[object Object]', '$container2');
+
+  Expect.equals("Instance of 'T'", T$Eval.toString());
+  Expect.equals(T$Eval.T$Eval, 0);
+  Expect.equals(T$Eval.S$Eval, 0);
+  Expect.notEquals(T$Eval.toString(), container1);
+  Expect.equals(T$Eval.realT$Eval, container1);
+  Expect.equals(T$Eval.realS$Eval, container2);
+}
diff --git a/tools/VERSION b/tools/VERSION
index aa3b017..ef75a34 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 12
 PATCH 0
-PRERELEASE 192
+PRERELEASE 193
 PRERELEASE_PATCH 0
\ No newline at end of file