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[flutter] use engine provided frame number (#82934)

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Jonah Williams 2021-05-20 13:29:03 -07:00 committed by GitHub
parent 25fa2e6c27
commit 78a96b09d6
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 8 deletions
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10
packages/flutter/lib/src/scheduler/binding.dart
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@ -202,12 +202,8 @@ mixin SchedulerBinding on BindingBase {
_instance = this;
if (!kReleaseMode) {
int frameNumber = 0;
addTimingsCallback((List<FrameTiming> timings) {
for (final FrameTiming frameTiming in timings) {
frameNumber += 1;
_profileFramePostEvent(frameNumber, frameTiming);
}
timings.forEach(_profileFramePostEvent);
});
}
}
@ -1103,9 +1099,9 @@ mixin SchedulerBinding on BindingBase {
}
}
void _profileFramePostEvent(int frameNumber, FrameTiming frameTiming) {
void _profileFramePostEvent(FrameTiming frameTiming) {
postEvent('Flutter.Frame', <String, dynamic>{
'number': frameNumber,
'number': frameTiming.frameNumber,
'startTime': frameTiming.timestampInMicroseconds(FramePhase.buildStart),
'elapsed': frameTiming.totalSpan.inMicroseconds,
'build': frameTiming.buildDuration.inMicroseconds,

3
packages/flutter/test/scheduler/scheduler_test.dart
View File

@ -143,13 +143,14 @@ void main() {
buildFinish: 15000,
rasterStart: 16000,
rasterFinish: 20000,
frameNumber: 1991
)]);
final List<Map<String, dynamic>> events = scheduler.getEventsDispatched('Flutter.Frame');
expect(events, hasLength(1));
final Map<String, dynamic> event = events.first;
expect(event['number'], isNonNegative);
expect(event['number'], 1991);
expect(event['startTime'], 10000);
expect(event['elapsed'], 15000);
expect(event['build'], 5000);