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publish GPU metrics to dashboard; compact transition event printout (#7254)

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This commit is contained in:
Yegor 2016-12-13 15:22:23 -08:00 committed by GitHub
parent f2342a6141
commit cf61905c04
3 changed files with 49 additions and 14 deletions
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3
dev/devicelab/lib/tasks/gallery.dart
View File

@ -61,6 +61,9 @@ class GalleryTransitionTest {
'average_frame_build_time_millis',
'worst_frame_build_time_millis',
'missed_frame_build_budget_count',
'average_frame_rasterizer_time_millis',
'worst_frame_rasterizer_time_millis',
'missed_frame_rasterizer_budget_count',
]);
}
}

3
dev/devicelab/lib/tasks/perf_tests.dart
View File

@ -143,6 +143,9 @@ class PerfTest {
'average_frame_build_time_millis',
'worst_frame_build_time_millis',
'missed_frame_build_budget_count',
'average_frame_rasterizer_time_millis',
'worst_frame_rasterizer_time_millis',
'missed_frame_rasterizer_budget_count',
]);
});
}

57
examples/flutter_gallery/test_driver/transitions_perf_test.dart
View File

@ -60,8 +60,10 @@ final List<String> demoTitles = <String>[
final FileSystem _fs = new LocalFileSystem();
/// Extracts event data from [events] recorded by timeline, validates it, turns
/// it into a histogram, and saves to a JSON file.
Future<Null> saveDurationsHistogram(List<Map<String, dynamic>> events, String outputPath) async {
final Map<String, List<int>> durations = new Map<String, List<int>>();
final Map<String, List<int>> durations = <String, List<int>>{};
Map<String, dynamic> startEvent;
// Save the duration of the first frame after each 'Start Transition' event.
@ -81,9 +83,42 @@ Future<Null> saveDurationsHistogram(List<Map<String, dynamic>> events, String ou
// Verify that the durations data is valid.
if (durations.keys.isEmpty)
throw 'no "Start Transition" timeline events found';
for(String routeName in durations.keys) {
if (durations[routeName] == null || durations[routeName].length != 2)
throw 'invalid timeline data for $routeName transition';
Map<String, int> unexpectedValueCounts = <String, int>{};
durations.forEach((String routeName, List<int> values) {
if (values.length != 2) {
unexpectedValueCounts[routeName] = values.length;
}
});
if (unexpectedValueCounts.isNotEmpty) {
StringBuffer error = new StringBuffer('Some routes recorded wrong number of values (expected 2 values/route):\n\n');
unexpectedValueCounts.forEach((String routeName, int count) {
error.writeln(' - $routeName recorded $count values.');
});
error.writeln('\nFull event sequence:');
Iterator<Map<String, dynamic>> eventIter = events.iterator;
String lastEventName = '';
String lastRouteName = '';
while(eventIter.moveNext()) {
String eventName = eventIter.current['name'];
if (!<String>['Start Transition', 'Frame'].contains(eventName))
continue;
String routeName = eventName == 'Start Transition'
? eventIter.current['args']['to']
: '';
if (eventName == lastEventName && routeName == lastRouteName) {
error.write('.');
} else {
error.write('\n - $eventName $routeName .');
}
lastEventName = eventName;
lastRouteName = routeName;
}
throw error;
}
// Save the durations Map to a file.
@ -128,7 +163,8 @@ void main() {
}
},
streams: const <TimelineStream>[
TimelineStream.dart
TimelineStream.dart,
TimelineStream.embedder,
]);
// Save the duration (in microseconds) of the first timeline Frame event
@ -136,15 +172,8 @@ void main() {
// 'Start Transition' event when a demo is launched (see GalleryItem).
TimelineSummary summary = new TimelineSummary.summarize(timeline);
await summary.writeSummaryToFile('transitions', pretty: true);
try {
String histogramPath = path.join(testOutputsDirectory, 'transition_durations.timeline.json');
await saveDurationsHistogram(timeline.json['traceEvents'], histogramPath);
} catch(_) {
await summary.writeTimelineToFile('transitions', pretty: true);
print('ERROR: failed to extract transition events. Here is the full timeline:\n');
print(await _fs.file('$testOutputsDirectory/transitions.timeline.json').readAsString());
rethrow;
}
String histogramPath = path.join(testOutputsDirectory, 'transition_durations.timeline.json');
await saveDurationsHistogram(timeline.json['traceEvents'], histogramPath);
}, timeout: new Timeout(new Duration(minutes: 5)));
});
}