blob: 4e36ceb24165650da457447ce2062fbc955212b4 [file] [log] [blame]
// Copyright 2014 The Flutter Authors. 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 'dart:convert';
import 'dart:io';
import 'dart:math' as math;
import '../framework/adb.dart';
import '../framework/framework.dart';
import '../framework/utils.dart';
TaskFunction createGalleryTransitionTest({bool semanticsEnabled = false}) {
return GalleryTransitionTest(semanticsEnabled: semanticsEnabled);
}
TaskFunction createGalleryTransitionE2ETest({bool semanticsEnabled = false}) {
return GalleryTransitionTest(
testFile: semanticsEnabled
? 'transitions_perf_e2e_with_semantics'
: 'transitions_perf_e2e',
needFullTimeline: false,
timelineSummaryFile: 'e2e_perf_summary',
transitionDurationFile: null,
timelineTraceFile: null,
driverFile: 'transitions_perf_e2e_test',
);
}
TaskFunction createGalleryTransitionHybridTest({bool semanticsEnabled = false}) {
return GalleryTransitionTest(
semanticsEnabled: semanticsEnabled,
driverFile: semanticsEnabled
? 'transitions_perf_hybrid_with_semantics_test'
: 'transitions_perf_hybrid_test',
);
}
class GalleryTransitionTest {
GalleryTransitionTest({
this.semanticsEnabled = false,
this.testFile = 'transitions_perf',
this.needFullTimeline = true,
this.timelineSummaryFile = 'transitions.timeline_summary',
this.timelineTraceFile = 'transitions.timeline',
this.transitionDurationFile = 'transition_durations.timeline',
this.driverFile,
});
final bool semanticsEnabled;
final bool needFullTimeline;
final String testFile;
final String timelineSummaryFile;
final String timelineTraceFile;
final String transitionDurationFile;
final String driverFile;
Future<TaskResult> call() async {
final Device device = await devices.workingDevice;
await device.unlock();
final String deviceId = device.deviceId;
final Directory galleryDirectory =
dir('${flutterDirectory.path}/dev/integration_tests/flutter_gallery');
await inDirectory<void>(galleryDirectory, () async {
await flutter('packages', options: <String>['get']);
final String testDriver = driverFile ?? (semanticsEnabled
? '${testFile}_with_semantics_test'
: '${testFile}_test');
await flutter('drive', options: <String>[
'--profile',
if (needFullTimeline)
'--trace-startup',
'-t',
'test_driver/$testFile.dart',
'--driver',
'test_driver/$testDriver.dart',
'-d',
deviceId,
]);
});
final Map<String, dynamic> summary = json.decode(
file('${galleryDirectory.path}/build/$timelineSummaryFile.json').readAsStringSync(),
) as Map<String, dynamic>;
if (transitionDurationFile != null) {
final Map<String, dynamic> original = json.decode(
file('${galleryDirectory.path}/build/$transitionDurationFile.json').readAsStringSync(),
) as Map<String, dynamic>;
final Map<String, List<int>> transitions = <String, List<int>>{};
for (final String key in original.keys) {
transitions[key] = List<int>.from(original[key] as List<dynamic>);
}
summary['transitions'] = transitions;
summary['missed_transition_count'] = _countMissedTransitions(transitions);
}
final List<String> detailFiles = <String>[
if (transitionDurationFile != null)
'${galleryDirectory.path}/build/$transitionDurationFile.json',
if (timelineTraceFile != null)
'${galleryDirectory.path}/build/$timelineTraceFile.json'
];
return TaskResult.success(summary,
detailFiles: detailFiles.isNotEmpty ? detailFiles : null,
benchmarkScoreKeys: <String>[
if (transitionDurationFile != null)
'missed_transition_count',
'average_frame_build_time_millis',
'worst_frame_build_time_millis',
'90th_percentile_frame_build_time_millis',
'99th_percentile_frame_build_time_millis',
'average_frame_rasterizer_time_millis',
'worst_frame_rasterizer_time_millis',
'90th_percentile_frame_rasterizer_time_millis',
'99th_percentile_frame_rasterizer_time_millis',
],
);
}
}
int _countMissedTransitions(Map<String, List<int>> transitions) {
const int _kTransitionBudget = 100000; // µs
int count = 0;
transitions.forEach((String demoName, List<int> durations) {
final int longestDuration = durations.reduce(math.max);
if (longestDuration > _kTransitionBudget) {
print('$demoName missed transition time budget ($longestDuration µs > $_kTransitionBudget µs)');
count++;
}
});
return count;
}