runtime/bin/vmservice/client/lib/src/elements/heap_profile.dart - sdk.git - Git at Google

 // Copyright (c) 2014, 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.

 library heap_profile_element;

 import 'dart:html';
 import 'isolate_element.dart';
 import 'package:logging/logging.dart';
 import 'package:polymer/polymer.dart';
 import 'package:observatory/app.dart';

 /// Displays an Error response.
 @CustomTag('heap-profile')
 class HeapProfileElement extends IsolateElement {
   // Indexes into VM provided map.
   static const ALLOCATED_BEFORE_GC = 0;
   static const ALLOCATED_BEFORE_GC_SIZE = 1;
   static const LIVE_AFTER_GC = 2;
   static const LIVE_AFTER_GC_SIZE = 3;
   static const ALLOCATED_SINCE_GC = 4;
   static const ALLOCATED_SINCE_GC_SIZE = 5;
   static const ACCUMULATED = 6;
   static const ACCUMULATED_SIZE = 7;

   // Pie chart of new space usage.
   var _newPieDataTable;
   var _newPieChart;

   // Pie chart of old space usage.
   var _oldPieDataTable;
   var _oldPieChart;

   // The combined chart has old and new space merged.
   var _combinedDataTable;
   var _combinedChart;

   // The full chart has separate columns for new and old space.
   var _fullDataTable;
   var _fullChart;

   @published Map profile;

   HeapProfileElement.created() : super.created() {
     _fullDataTable = new DataTable();
     _fullDataTable.addColumn('string', 'Class');
     _fullDataTable.addColumn('number', 'Current (new)');
     _fullDataTable.addColumn('number', 'Allocated Since GC (new)');
     _fullDataTable.addColumn('number', 'Total before GC (new)');
     _fullDataTable.addColumn('number', 'Survivors (new)');
     _fullDataTable.addColumn('number', 'Current (old)');
     _fullDataTable.addColumn('number', 'Allocated Since GC (old)');
     _fullDataTable.addColumn('number', 'Total before GC (old)');
     _fullDataTable.addColumn('number', 'Survivors (old)');
     _newPieDataTable = new DataTable();
     _newPieDataTable.addColumn('string', 'Type');
     _newPieDataTable.addColumn('number', 'Size');
     _oldPieDataTable = new DataTable();
     _oldPieDataTable.addColumn('string', 'Type');
     _oldPieDataTable.addColumn('number', 'Size');
     _combinedDataTable = new DataTable();
     _combinedDataTable.addColumn('string', 'Class');
     _combinedDataTable.addColumn('number', 'Accumulator');
     _combinedDataTable.addColumn('number', 'Accumulator Instances');
     _combinedDataTable.addColumn('number', 'Current');
     _combinedDataTable.addColumn('number', 'Allocated Since GC');
     _combinedDataTable.addColumn('number', 'Total before GC');
     _combinedDataTable.addColumn('number', 'Survivors after GC');
   }

   void enteredView() {
     super.enteredView();
     _fullChart = new Chart('Table',
         shadowRoot.querySelector('#table'));
     _fullChart.options['allowHtml'] = true;
     _fullChart.options['sortColumn'] = 1;
     _fullChart.options['sortAscending'] = false;
     _newPieChart = new Chart('PieChart',
         shadowRoot.querySelector('#newPieChart'));
     _newPieChart.options['title'] = 'New Space';
     _oldPieChart = new Chart('PieChart',
         shadowRoot.querySelector('#oldPieChart'));
     _oldPieChart.options['title'] = 'Old Space';
     _combinedChart = new Chart('Table',
         shadowRoot.querySelector('#simpleTable'));
     _combinedChart.options['allowHtml'] = true;
     _combinedChart.options['sortColumn'] = 1;
     _combinedChart.options['sortAscending'] = false;
     _draw();
   }

   bool _first = true;

   void _updateChartData() {
     if ((profile == null) || (profile['members'] is! List) ||
         (profile['members'].length == 0)) {
       return;
     }
     assert(_fullDataTable != null);
     assert(_combinedDataTable != null);
     _fullDataTable.clearRows();
     _combinedDataTable.clearRows();
     for (Map cls in profile['members']) {
       if (_classHasNoAllocations(cls)) {
         // If a class has no allocations, don't display it.
         continue;
       }
       var vm_name = cls['class']['name'];
       var url = isolate.relativeLink(cls['class']['id']);
       _fullDataTable.addRow([
           '<a title="$vm_name" href="$url">'
           '${_fullTableColumnValue(cls, 0)}</a>',
           _fullTableColumnValue(cls, 1),
           _fullTableColumnValue(cls, 2),
           _fullTableColumnValue(cls, 3),
           _fullTableColumnValue(cls, 4),
           _fullTableColumnValue(cls, 5),
           _fullTableColumnValue(cls, 6),
           _fullTableColumnValue(cls, 7),
           _fullTableColumnValue(cls, 8)]);
       _combinedDataTable.addRow([
            '<a title="$vm_name" href="$url">'
            '${_combinedTableColumnValue(cls, 0)}</a>',
            _combinedTableColumnValue(cls, 1),
            _combinedTableColumnValue(cls, 2),
            _combinedTableColumnValue(cls, 3),
            _combinedTableColumnValue(cls, 4),
            _combinedTableColumnValue(cls, 5),
            _combinedTableColumnValue(cls, 6)]);
     }
     _newPieDataTable.clearRows();
     var heap = profile['heaps']['new'];
     _newPieDataTable.addRow(['Used', heap['used']]);
     _newPieDataTable.addRow(['Free', heap['capacity'] - heap['used']]);
     _oldPieDataTable.clearRows();
     heap = profile['heaps']['old'];
     _oldPieDataTable.addRow(['Used', heap['used']]);
     _oldPieDataTable.addRow(['Free', heap['capacity'] - heap['used']]);
     _draw();
   }

   void _draw() {
     if ((_fullChart == null) || (_combinedChart == null)) {
       return;
     }
     _combinedChart.refreshOptionsSortInfo();
     _combinedChart.draw(_combinedDataTable);
     _fullChart.refreshOptionsSortInfo();
     _fullChart.draw(_fullDataTable);
     _newPieChart.draw(_newPieDataTable);
     _oldPieChart.draw(_oldPieDataTable);
   }

   bool _classHasNoAllocations(Map v) {
     var newSpace = v['new'];
     var oldSpace = v['old'];
     for (var allocation in newSpace) {
       if (allocation != 0) {
         return false;
       }
     }
     for (var allocation in oldSpace) {
       if (allocation != 0) {
         return false;
       }
     }
     return true;
   }

   dynamic _fullTableColumnValue(Map v, int index) {
     assert(index >= 0);
     assert(index < 9);
     switch (index) {
       case 0:
         return v['class']['user_name'];
       case 1:
         return v['new'][LIVE_AFTER_GC_SIZE] + v['new'][ALLOCATED_SINCE_GC_SIZE];
       case 2:
         return v['new'][ALLOCATED_SINCE_GC_SIZE];
       case 3:
         return v['new'][ALLOCATED_BEFORE_GC_SIZE];
       case 4:
         return v['new'][LIVE_AFTER_GC_SIZE];
       case 5:
         return v['old'][LIVE_AFTER_GC_SIZE] + v['old'][ALLOCATED_SINCE_GC_SIZE];
       case 6:
         return v['old'][ALLOCATED_SINCE_GC_SIZE];
       case 7:
         return v['old'][ALLOCATED_BEFORE_GC_SIZE];
       case 8:
         return v['old'][LIVE_AFTER_GC_SIZE];
     }
     throw new FallThroughError();
   }

   dynamic _combinedTableColumnValue(Map v, int index) {
     assert(index >= 0);
     assert(index < 7);
     switch (index) {
       case 0:
         return v['class']['user_name'];
       case 1:
         return v['new'][ACCUMULATED_SIZE] +
                v['old'][ACCUMULATED_SIZE];
       case 2:
         return v['new'][ACCUMULATED] +
                v['old'][ACCUMULATED];
       case 3:
         return v['new'][LIVE_AFTER_GC_SIZE] +
                v['new'][ALLOCATED_SINCE_GC_SIZE] +
                v['old'][LIVE_AFTER_GC_SIZE] +
                v['old'][ALLOCATED_SINCE_GC_SIZE];
       case 4:
         return v['new'][ALLOCATED_SINCE_GC_SIZE] +
                v['old'][ALLOCATED_SINCE_GC_SIZE];
       case 5:
         return v['new'][ALLOCATED_BEFORE_GC_SIZE] +
                v['old'][ALLOCATED_BEFORE_GC_SIZE];
       case 6:
         return v['new'][LIVE_AFTER_GC_SIZE] + v['old'][LIVE_AFTER_GC_SIZE];
     }
     throw new FallThroughError();
   }

   void refresh(var done) {
     isolate.getMap('/allocationprofile').then((Map response) {
       assert(response['type'] == 'AllocationProfile');
       profile = response;
     }).catchError((e, st) {
       Logger.root.info('$e $st');
     }).whenComplete(done);
   }

   void resetAccumulator(Event e, var detail, Node target) {
     isolate.getMap('/allocationprofile/reset').then((Map response) {
       assert(response['type'] == 'AllocationProfile');
       profile = response;
     }).catchError((e, st) {
       Logger.root.info('$e $st');
     });
   }

   void profileChanged(oldValue) {
     _updateChartData();
     notifyPropertyChange(#formattedAverage, [], formattedAverage);
     notifyPropertyChange(#formattedTotalCollectionTime, [],
                          formattedTotalCollectionTime);
     notifyPropertyChange(#formattedCollections, [], formattedCollections);
   }

   @observable String formattedAverage(bool newSpace) {
     if (profile == null) {
       return '';
     }
     String space = newSpace ? 'new' : 'old';
     Map heap = profile['heaps'][space];
     var r = ((heap['time'] * 1000.0) / heap['collections']).toStringAsFixed(2);
     return '$r ms';
   }

   @observable String formattedCollections(bool newSpace) {
     if (profile == null) {
       return '';
     }
     String space = newSpace ? 'new' : 'old';
     Map heap = profile['heaps'][space];
     return '${heap['collections']}';
   }

   @observable String formattedTotalCollectionTime(bool newSpace) {
     if (profile == null) {
       return '';
     }
     String space = newSpace ? 'new' : 'old';
     Map heap = profile['heaps'][space];
     return '${ObservatoryApplication.timeUnits(heap['time'])} secs';
   }
 }
	// Copyright (c) 2014, 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.

	library heap_profile_element;

	import 'dart:html';
	import 'isolate_element.dart';
	import 'package:logging/logging.dart';
	import 'package:polymer/polymer.dart';
	import 'package:observatory/app.dart';

	/// Displays an Error response.
	@CustomTag('heap-profile')
	class HeapProfileElement extends IsolateElement {
	// Indexes into VM provided map.
	static const ALLOCATED_BEFORE_GC = 0;
	static const ALLOCATED_BEFORE_GC_SIZE = 1;
	static const LIVE_AFTER_GC = 2;
	static const LIVE_AFTER_GC_SIZE = 3;
	static const ALLOCATED_SINCE_GC = 4;
	static const ALLOCATED_SINCE_GC_SIZE = 5;
	static const ACCUMULATED = 6;
	static const ACCUMULATED_SIZE = 7;

	// Pie chart of new space usage.
	var _newPieDataTable;
	var _newPieChart;

	// Pie chart of old space usage.
	var _oldPieDataTable;
	var _oldPieChart;

	// The combined chart has old and new space merged.
	var _combinedDataTable;
	var _combinedChart;

	// The full chart has separate columns for new and old space.
	var _fullDataTable;
	var _fullChart;

	@published Map profile;

	HeapProfileElement.created() : super.created() {
	_fullDataTable = new DataTable();
	_fullDataTable.addColumn('string', 'Class');
	_fullDataTable.addColumn('number', 'Current (new)');
	_fullDataTable.addColumn('number', 'Allocated Since GC (new)');
	_fullDataTable.addColumn('number', 'Total before GC (new)');
	_fullDataTable.addColumn('number', 'Survivors (new)');
	_fullDataTable.addColumn('number', 'Current (old)');
	_fullDataTable.addColumn('number', 'Allocated Since GC (old)');
	_fullDataTable.addColumn('number', 'Total before GC (old)');
	_fullDataTable.addColumn('number', 'Survivors (old)');
	_newPieDataTable = new DataTable();
	_newPieDataTable.addColumn('string', 'Type');
	_newPieDataTable.addColumn('number', 'Size');
	_oldPieDataTable = new DataTable();
	_oldPieDataTable.addColumn('string', 'Type');
	_oldPieDataTable.addColumn('number', 'Size');
	_combinedDataTable = new DataTable();
	_combinedDataTable.addColumn('string', 'Class');
	_combinedDataTable.addColumn('number', 'Accumulator');
	_combinedDataTable.addColumn('number', 'Accumulator Instances');
	_combinedDataTable.addColumn('number', 'Current');
	_combinedDataTable.addColumn('number', 'Allocated Since GC');
	_combinedDataTable.addColumn('number', 'Total before GC');
	_combinedDataTable.addColumn('number', 'Survivors after GC');
	}

	void enteredView() {
	super.enteredView();
	_fullChart = new Chart('Table',
	shadowRoot.querySelector('#table'));
	_fullChart.options['allowHtml'] = true;
	_fullChart.options['sortColumn'] = 1;
	_fullChart.options['sortAscending'] = false;
	_newPieChart = new Chart('PieChart',
	shadowRoot.querySelector('#newPieChart'));
	_newPieChart.options['title'] = 'New Space';
	_oldPieChart = new Chart('PieChart',
	shadowRoot.querySelector('#oldPieChart'));
	_oldPieChart.options['title'] = 'Old Space';
	_combinedChart = new Chart('Table',
	shadowRoot.querySelector('#simpleTable'));
	_combinedChart.options['allowHtml'] = true;
	_combinedChart.options['sortColumn'] = 1;
	_combinedChart.options['sortAscending'] = false;
	_draw();
	}

	bool _first = true;

	void _updateChartData() {
	if ((profile == null) \|\| (profile['members'] is! List) \|\|
	(profile['members'].length == 0)) {
	return;
	}
	assert(_fullDataTable != null);
	assert(_combinedDataTable != null);
	_fullDataTable.clearRows();
	_combinedDataTable.clearRows();
	for (Map cls in profile['members']) {
	if (_classHasNoAllocations(cls)) {
	// If a class has no allocations, don't display it.
	continue;
	}
	var vm_name = cls['class']['name'];
	var url = isolate.relativeLink(cls['class']['id']);
	_fullDataTable.addRow([
	'<a title="$vm_name" href="$url">'
	'${_fullTableColumnValue(cls, 0)}</a>',
	_fullTableColumnValue(cls, 1),
	_fullTableColumnValue(cls, 2),
	_fullTableColumnValue(cls, 3),
	_fullTableColumnValue(cls, 4),
	_fullTableColumnValue(cls, 5),
	_fullTableColumnValue(cls, 6),
	_fullTableColumnValue(cls, 7),
	_fullTableColumnValue(cls, 8)]);
	_combinedDataTable.addRow([
	'<a title="$vm_name" href="$url">'
	'${_combinedTableColumnValue(cls, 0)}</a>',
	_combinedTableColumnValue(cls, 1),
	_combinedTableColumnValue(cls, 2),
	_combinedTableColumnValue(cls, 3),
	_combinedTableColumnValue(cls, 4),
	_combinedTableColumnValue(cls, 5),
	_combinedTableColumnValue(cls, 6)]);
	}
	_newPieDataTable.clearRows();
	var heap = profile['heaps']['new'];
	_newPieDataTable.addRow(['Used', heap['used']]);
	_newPieDataTable.addRow(['Free', heap['capacity'] - heap['used']]);
	_oldPieDataTable.clearRows();
	heap = profile['heaps']['old'];
	_oldPieDataTable.addRow(['Used', heap['used']]);
	_oldPieDataTable.addRow(['Free', heap['capacity'] - heap['used']]);
	_draw();
	}

	void _draw() {
	if ((_fullChart == null) \|\| (_combinedChart == null)) {
	return;
	}
	_combinedChart.refreshOptionsSortInfo();
	_combinedChart.draw(_combinedDataTable);
	_fullChart.refreshOptionsSortInfo();
	_fullChart.draw(_fullDataTable);
	_newPieChart.draw(_newPieDataTable);
	_oldPieChart.draw(_oldPieDataTable);
	}

	bool _classHasNoAllocations(Map v) {
	var newSpace = v['new'];
	var oldSpace = v['old'];
	for (var allocation in newSpace) {
	if (allocation != 0) {
	return false;
	}
	}
	for (var allocation in oldSpace) {
	if (allocation != 0) {
	return false;
	}
	}
	return true;
	}

	dynamic _fullTableColumnValue(Map v, int index) {
	assert(index >= 0);
	assert(index < 9);
	switch (index) {
	case 0:
	return v['class']['user_name'];
	case 1:
	return v['new'][LIVE_AFTER_GC_SIZE] + v['new'][ALLOCATED_SINCE_GC_SIZE];
	case 2:
	return v['new'][ALLOCATED_SINCE_GC_SIZE];
	case 3:
	return v['new'][ALLOCATED_BEFORE_GC_SIZE];
	case 4:
	return v['new'][LIVE_AFTER_GC_SIZE];
	case 5:
	return v['old'][LIVE_AFTER_GC_SIZE] + v['old'][ALLOCATED_SINCE_GC_SIZE];
	case 6:
	return v['old'][ALLOCATED_SINCE_GC_SIZE];
	case 7:
	return v['old'][ALLOCATED_BEFORE_GC_SIZE];
	case 8:
	return v['old'][LIVE_AFTER_GC_SIZE];
	}
	throw new FallThroughError();
	}

	dynamic _combinedTableColumnValue(Map v, int index) {
	assert(index >= 0);
	assert(index < 7);
	switch (index) {
	case 0:
	return v['class']['user_name'];
	case 1:
	return v['new'][ACCUMULATED_SIZE] +
	v['old'][ACCUMULATED_SIZE];
	case 2:
	return v['new'][ACCUMULATED] +
	v['old'][ACCUMULATED];
	case 3:
	return v['new'][LIVE_AFTER_GC_SIZE] +
	v['new'][ALLOCATED_SINCE_GC_SIZE] +
	v['old'][LIVE_AFTER_GC_SIZE] +
	v['old'][ALLOCATED_SINCE_GC_SIZE];
	case 4:
	return v['new'][ALLOCATED_SINCE_GC_SIZE] +
	v['old'][ALLOCATED_SINCE_GC_SIZE];
	case 5:
	return v['new'][ALLOCATED_BEFORE_GC_SIZE] +
	v['old'][ALLOCATED_BEFORE_GC_SIZE];
	case 6:
	return v['new'][LIVE_AFTER_GC_SIZE] + v['old'][LIVE_AFTER_GC_SIZE];
	}
	throw new FallThroughError();
	}

	void refresh(var done) {
	isolate.getMap('/allocationprofile').then((Map response) {
	assert(response['type'] == 'AllocationProfile');
	profile = response;
	}).catchError((e, st) {
	Logger.root.info('$e $st');
	}).whenComplete(done);
	}

	void resetAccumulator(Event e, var detail, Node target) {
	isolate.getMap('/allocationprofile/reset').then((Map response) {
	assert(response['type'] == 'AllocationProfile');
	profile = response;
	}).catchError((e, st) {
	Logger.root.info('$e $st');
	});
	}

	void profileChanged(oldValue) {
	_updateChartData();
	notifyPropertyChange(#formattedAverage, [], formattedAverage);
	notifyPropertyChange(#formattedTotalCollectionTime, [],
	formattedTotalCollectionTime);
	notifyPropertyChange(#formattedCollections, [], formattedCollections);
	}

	@observable String formattedAverage(bool newSpace) {
	if (profile == null) {
	return '';
	}
	String space = newSpace ? 'new' : 'old';
	Map heap = profile['heaps'][space];
	var r = ((heap['time'] * 1000.0) / heap['collections']).toStringAsFixed(2);
	return '$r ms';
	}

	@observable String formattedCollections(bool newSpace) {
	if (profile == null) {
	return '';
	}
	String space = newSpace ? 'new' : 'old';
	Map heap = profile['heaps'][space];
	return '${heap['collections']}';
	}

	@observable String formattedTotalCollectionTime(bool newSpace) {
	if (profile == null) {
	return '';
	}
	String space = newSpace ? 'new' : 'old';
	Map heap = profile['heaps'][space];
	return '${ObservatoryApplication.timeUnits(heap['time'])} secs';
	}
	}