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<!DOCTYPE html>
<!--
Copyright 2018 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/metrics/rendering/frame_time.html">
<link rel="import" href="/tracing/metrics/rendering/image_decode_time.html">
<link rel="import" href="/tracing/metrics/rendering/pixels.html">
<link rel="import" href="/tracing/metrics/rendering/queueing_duration.html">
<script>
'use strict';
tr.exportTo('tr.metrics.rendering', function() {
// Various tracing events.
const GESTURE_EVENT = 'SyntheticGestureController::running';
function renderingMetric(histograms, model) {
const chromeHelper = model.getOrCreateHelper(
tr.model.helpers.ChromeModelHelper);
if (!chromeHelper) return;
let segments = chromeHelper.telemetryHelper.irSegments;
if (segments.length === 0) {
segments = chromeHelper.telemetryHelper.animationSegments;
}
if (segments.length > 0) {
tr.metrics.rendering.addFrameTimeHistograms(histograms, model, segments);
tr.metrics.rendering.addImageDecodeTimeHistograms(histograms, model,
segments);
tr.metrics.rendering.addPixelsHistograms(histograms, model, segments);
tr.metrics.rendering.addQueueingDurationHistograms(
histograms, model, segments);
}
const uiSegments = chromeHelper.telemetryHelper.uiSegments;
if (uiSegments.length > 0) {
tr.metrics.rendering.addUIFrameTimeHistograms(
histograms, model, chromeHelper.telemetryHelper.uiSegments);
}
}
tr.metrics.MetricRegistry.register(renderingMetric, {
requiredCategories: ['benchmark', 'toplevel'],
});
return {
renderingMetric,
};
});
</script>
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