| Index: tracing/tracing/metrics/vr/frame_cycle_duration_metric.html
|
| diff --git a/tracing/tracing/metrics/vr/frame_cycle_duration_metric.html b/tracing/tracing/metrics/vr/frame_cycle_duration_metric.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..47dfcf4151d0907ee6f6d7b8ad3c471b86e4dbc3
|
| --- /dev/null
|
| +++ b/tracing/tracing/metrics/vr/frame_cycle_duration_metric.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/metrics/metric_registry.html">
|
| +<link rel="import" href="/tracing/value/histogram.html">
|
| +
|
| +<script>
|
| +'use strict';
|
| +
|
| +tr.exportTo('tr.metrics.vr', function() {
|
| + function createHistograms(histograms, name, options) {
|
| + return {
|
| + wall: histograms.createHistogram(name + '_wall',
|
| + tr.b.Unit.byName.timeDurationInMs_smallerIsBetter, [], options),
|
| + cpu: histograms.createHistogram(name + '_cpu',
|
| + tr.b.Unit.byName.timeDurationInMs_smallerIsBetter, [], options),
|
| + };
|
| + }
|
| +
|
| + function frameCycleDurationMetric(histograms, model) {
|
| + const histogramsByEventTitle = new Map();
|
| + histogramsByEventTitle.set('VrShellGl::DrawFrame',
|
| + createHistograms(histograms, 'draw_frame',
|
| + {description: 'Duration to render one frame'}));
|
| + histogramsByEventTitle.set('VrShellGl::AcquireFrame',
|
| + createHistograms(histograms, 'acquire_frame',
|
| + {description: 'Duration acquire a frame from GVR'}));
|
| + histogramsByEventTitle.set('VrShellGl::UpdateController',
|
| + createHistograms(histograms, 'update_controller',
|
| + {description: 'Duration to query input from the controller'}));
|
| + histogramsByEventTitle.set('VrShellGl::DrawWorldElements',
|
| + createHistograms(histograms, 'draw_world_elements',
|
| + {description: 'Duration to draw world UI elements'}));
|
| + histogramsByEventTitle.set('VrShellGl::DrawFrameSubmitWhenReady',
|
| + createHistograms(histograms, 'submit_frame',
|
| + {description: 'Duration to submit a frame to GVR'}));
|
| + histogramsByEventTitle.set('VrShellGl::DrawUiView',
|
| + createHistograms(histograms, 'draw_ui',
|
| + {description: 'Duration to draw the UI'}));
|
| +
|
| + const chromeHelper = model.getOrCreateHelper(
|
| + tr.model.helpers.ChromeModelHelper);
|
| +
|
| + for (const helper of chromeHelper.browserHelpers) {
|
| + // The events are traced on the GL thread in the browser process.
|
| + // Unfortunately, this thread has no name.
|
| + // TODO(tiborg): Give GL thread a name and reference the thread by
|
| + // the given name.
|
| + const glThreads = helper.process.findAllThreadsMatching(
|
| + thread => !thread.name);
|
| +
|
| + for (const glThread of glThreads) {
|
| + for (const event of glThread.getDescendantEvents()) {
|
| + if (!(histogramsByEventTitle.has(event.title))) {
|
| + continue;
|
| + }
|
| +
|
| + const {wall: wallHist, cpu: cpuHist} =
|
| + histogramsByEventTitle.get(event.title);
|
| + wallHist.addSample(event.duration);
|
| + cpuHist.addSample(event.cpuDuration);
|
| + }
|
| + }
|
| + }
|
| + }
|
| +
|
| + tr.metrics.MetricRegistry.register(frameCycleDurationMetric);
|
| +
|
| + return {
|
| + frameCycleDurationMetric,
|
| + };
|
| +});
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 3010693002:
[vr] Add metric to measure frame cycle times (Closed)
