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Add the refresh rate fields to perf_test (#99710)

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Chris Yang 2022-03-08 17:25:15 -08:00 committed by GitHub
parent dd97133df2
commit a7c85996b8
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4 changed files with 43 additions and 19 deletions
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6
dev/devicelab/lib/tasks/perf_tests.dart
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@ -969,6 +969,12 @@ const List<String> _kCommonScoreKeys = <String>[
'worst_picture_cache_memory',
'new_gen_gc_count',
'old_gen_gc_count',
'30hz_frame_percentage',
'60hz_frame_percentage',
'80hz_frame_percentage',
'90hz_frame_percentage',
'120hz_frame_percentage',
'illegal_refresh_rate_frame_count',
];
class PerfTestWithSkSL extends PerfTest {

35
packages/flutter_driver/lib/src/driver/refresh_rate_summarizer.dart
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@ -28,6 +28,10 @@ class RefreshRateSummary {
_numberOf60HzFrames++;
continue;
}
if ((refreshRate - 80).abs() < _kErrorMargin) {
_numberOf80HzFrames++;
continue;
}
if ((refreshRate - 90).abs() < _kErrorMargin) {
_numberOf90HzFrames++;
continue;
@ -41,25 +45,17 @@ class RefreshRateSummary {
assert(_numberOfTotalFrames ==
_numberOf30HzFrames +
_numberOf60HzFrames +
_numberOf80HzFrames +
_numberOf90HzFrames +
_numberOf120HzFrames +
_framesWithIllegalRefreshRate.length);
}
// The error margin to determine the frame refresh rate.
// For example, when we calculated a frame that has a refresh rate of 65, we consider the frame to be a 60Hz frame.
// Can be adjusted if necessary.
static const double _kErrorMargin = 6.0;
/// Number of frames with 30hz refresh rate
int get numberOf30HzFrames => _numberOf30HzFrames;
/// Number of frames with 60hz refresh rate
int get numberOf60HzFrames => _numberOf60HzFrames;
/// Number of frames with 90hz refresh rate
int get numberOf90HzFrames => _numberOf90HzFrames;
/// Number of frames with 120hz refresh rate
int get numberOf120HzFrames => _numberOf120HzFrames;
/// The percentage of 30hz frames.
///
/// For example, if this value is 20, it means there are 20 percent of total
@ -76,6 +72,14 @@ class RefreshRateSummary {
? _numberOf60HzFrames / _numberOfTotalFrames * 100
: 0;
/// The percentage of 80hz frames.
///
/// For example, if this value is 20, it means there are 20 percent of total
/// frames are 80hz. 0 means no frames are 80hz, 100 means all frames are 80hz.
double get percentageOf80HzFrames => _numberOfTotalFrames > 0
? _numberOf80HzFrames / _numberOfTotalFrames * 100
: 0;
/// The percentage of 90hz frames.
///
/// For example, if this value is 20, it means there are 20 percent of total
@ -84,7 +88,7 @@ class RefreshRateSummary {
? _numberOf90HzFrames / _numberOfTotalFrames * 100
: 0;
/// The percentage of 90hz frames.
/// The percentage of 120hz frames.
///
/// For example, if this value is 20, it means there are 20 percent of total
/// frames are 120hz. 0 means no frames are 120hz, 100 means all frames are 120hz.
@ -94,13 +98,14 @@ class RefreshRateSummary {
/// A list of all the frames with Illegal refresh rate.
///
/// A refresh rate is consider illegal if it does not belong to anyone below:
/// 30hz, 60hz, 90hz or 120hz.
/// A refresh rate is consider illegal if it does not belong to anyone of the refresh rate this class is
/// explicitly tracking.
List<double> get framesWithIllegalRefreshRate =>
_framesWithIllegalRefreshRate;
int _numberOf30HzFrames = 0;
int _numberOf60HzFrames = 0;
int _numberOf80HzFrames = 0;
int _numberOf90HzFrames = 0;
int _numberOf120HzFrames = 0;
int _numberOfTotalFrames = 0;

1
packages/flutter_driver/lib/src/driver/timeline_summary.dart
View File

@ -275,6 +275,7 @@ class TimelineSummary {
'total_ui_gc_time': gcSummarizer.totalGCTimeMillis,
'30hz_frame_percentage': refreshRateSummary.percentageOf30HzFrames,
'60hz_frame_percentage': refreshRateSummary.percentageOf60HzFrames,
'80hz_frame_percentage': refreshRateSummary.percentageOf80HzFrames,
'90hz_frame_percentage': refreshRateSummary.percentageOf90HzFrames,
'120hz_frame_percentage': refreshRateSummary.percentageOf120HzFrames,
'illegal_refresh_rate_frame_count': refreshRateSummary.framesWithIllegalRefreshRate.length,

20
packages/flutter_driver/test/src/real_tests/timeline_summary_test.dart
View File

@ -475,6 +475,7 @@ void main() {
'total_ui_gc_time': 0.4,
'30hz_frame_percentage': 0,
'60hz_frame_percentage': 0,
'80hz_frame_percentage': 0,
'90hz_frame_percentage': 0,
'120hz_frame_percentage': 0,
'illegal_refresh_rate_frame_count': 0,
@ -595,6 +596,7 @@ void main() {
'total_ui_gc_time': 0.4,
'30hz_frame_percentage': 0,
'60hz_frame_percentage': 100,
'80hz_frame_percentage': 0,
'90hz_frame_percentage': 0,
'120hz_frame_percentage': 0,
'illegal_refresh_rate_frame_count': 0,
@ -869,9 +871,11 @@ void main() {
final List<Map<String, dynamic>> events = <Map<String, dynamic>>[];
const int num30Hz = 10;
const int num60Hz = 20;
const int num80Hz = 20;
const int num90Hz = 20;
const int num120Hz = 40;
const int numIllegal = 10;
const int totalFrames = num30Hz + num60Hz + num80Hz + num90Hz + num120Hz + numIllegal;
// Add 30hz frames
events.addAll(_populateEvents(numberOfEvents: num30Hz,
@ -887,6 +891,12 @@ void main() {
margin: 0,
));
// Add 80hz frames
events.addAll(_populateEvents(numberOfEvents: num80Hz,
startTime: 0,
interval: 12000000,
margin: 0,
));
// Add 90hz frames
events.addAll(_populateEvents(numberOfEvents: num90Hz,
@ -910,10 +920,12 @@ void main() {
));
final RefreshRateSummary summary = _summarize(events);
expect(summary.percentageOf30HzFrames, closeTo(num30Hz, kCompareDelta));
expect(summary.percentageOf60HzFrames, closeTo(num60Hz, kCompareDelta));
expect(summary.percentageOf90HzFrames, closeTo(num90Hz, kCompareDelta));
expect(summary.percentageOf120HzFrames, closeTo(num120Hz, kCompareDelta));
expect(summary.percentageOf30HzFrames, closeTo(num30Hz/totalFrames*100, kCompareDelta));
expect(summary.percentageOf60HzFrames, closeTo(num60Hz/totalFrames*100, kCompareDelta));
expect(summary.percentageOf80HzFrames, closeTo(num80Hz/totalFrames*100, kCompareDelta));
expect(summary.percentageOf90HzFrames, closeTo(num90Hz/totalFrames*100, kCompareDelta));
expect(summary.percentageOf120HzFrames, closeTo(num120Hz/totalFrames*100, kCompareDelta));
expect(summary.framesWithIllegalRefreshRate, isNotEmpty);
expect(summary.framesWithIllegalRefreshRate.length, 10);
});