| Index: tracing/tracing/metrics/media_metric_test.html
|
| diff --git a/tracing/tracing/metrics/media_metric_test.html b/tracing/tracing/metrics/media_metric_test.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..64ea02b4b2ea74c171096660d8a55d7b914f8704
|
| --- /dev/null
|
| +++ b/tracing/tracing/metrics/media_metric_test.html
|
| @@ -0,0 +1,77 @@
|
| +<!DOCTYPE html>
|
| +<!--
|
| +Copyright 2017 The Chromium Authors. All rights reserved.
|
| +Use of this source code is governed by a BSD-style license that can be
|
| +found in the LICENSE file.
|
| +-->
|
| +
|
| +<link rel="import" href="/tracing/core/test_utils.html">
|
| +<link rel="import" href="/tracing/extras/importer/trace_event_importer.html">
|
| +<link rel="import" href="/tracing/metrics/media_metric.html">
|
| +<link rel="import" href="/tracing/value/histogram_set.html">
|
| +
|
| +<script>
|
| +'use strict';
|
| +
|
| +tr.b.unittest.testSuite(function() {
|
| + function makeModel(events) {
|
| + return tr.c.TestUtils.newModelWithEvents([events]);
|
| + }
|
| +
|
| + test('mediaMetric_noData', function() {
|
| + const histograms = new tr.v.HistogramSet();
|
| + const events = [
|
| + {name: 'a', args: {}, pid: 52, ts: 524, cat: 'foo', tid: 53, ph: 'B'},
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| + {name: 'a', args: {}, pid: 52, ts: 560, cat: 'foo', tid: 53, ph: 'B'}
|
| + ];
|
| + tr.metrics.mediaMetric(histograms, makeModel(events));
|
| + assert.lengthOf(histograms, 0);
|
| + });
|
| +
|
| + test('mediaMetric_videoTimeToPlay', function() {
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| + const histograms = new tr.v.HistogramSet();
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| + const events = [
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| + {name: 'WebMediaPlayerImpl::DoLoad', args: {},
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| + pid: 52, ts: 524, cat: 'media', tid: 1, ph: 'X'},
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| + {name: 'VideoRendererImpl::Render', args: {},
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| + pid: 52, ts: 560, cat: 'media', tid: 53, ph: 'X'},
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| + {name: 'VideoRendererImpl::Render', args: {},
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| + pid: 52, ts: 580, cat: 'media', tid: 53, ph: 'X'},
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| + {name: 'thread_name', args: {name: 'CrRendererMain'},
|
| + pid: 52, ts: 0, cat: '__metadata', tid: 1, ph: 'M'},
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| + {name: 'thread_name', args: {name: 'Compositor'},
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| + pid: 52, ts: 0, cat: '__metadata', tid: 53, ph: 'M'},
|
| + ];
|
| + tr.metrics.mediaMetric(histograms, makeModel(events));
|
| +
|
| + assert.isDefined(histograms.getHistogramNamed('time_to_video_play'));
|
| + const ttpValue = histograms.getHistogramNamed('time_to_video_play');
|
| + const ttpStatistics = ttpValue.running;
|
| + assert.strictEqual(ttpStatistics.count, 1);
|
| + assert.closeTo(ttpStatistics.mean, 0.036, 1e-5);
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| + assert.closeTo(ttpStatistics.max, 0.036, 1e-5);
|
| + });
|
| +
|
| + test('mediaMetric_audioTimeToPlay', function() {
|
| + const histograms = new tr.v.HistogramSet();
|
| + const events = [
|
| + {name: 'thread_name', args: {name: 'CrRendererMain'},
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| + pid: 52, ts: 0, cat: '__metadata', tid: 1, ph: 'M'},
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| + {name: 'thread_name', args: {name: 'AudioOutputDevice'},
|
| + pid: 52, ts: 0, cat: '__metadata', tid: 53, ph: 'M'},
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| + {name: 'WebMediaPlayerImpl::DoLoad', args: {},
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| + pid: 52, ts: 1234, cat: 'media', tid: 1, ph: 'X'},
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| + {name: 'AudioRendererImpl::Render', args: {},
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| + pid: 52, ts: 4321, cat: 'media', tid: 53, ph: 'X'},
|
| + ];
|
| + tr.metrics.mediaMetric(histograms, makeModel(events));
|
| +
|
| + assert.isDefined(histograms.getHistogramNamed('time_to_audio_play'));
|
| + const ttpValue = histograms.getHistogramNamed('time_to_audio_play');
|
| + const ttpStatistics = ttpValue.running;
|
| + assert.strictEqual(ttpStatistics.count, 1);
|
| + assert.closeTo(ttpStatistics.mean, 3.087, 1e-5);
|
| + assert.closeTo(ttpStatistics.max, 3.087, 1e-5);
|
| + });
|
| +});
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2996233004:
Port a media metric to TBMv2 (Closed)
