| Index: tracing/tracing/extras/chrome/cpu_time.html
|
| diff --git a/tracing/tracing/extras/chrome/cpu_time.html b/tracing/tracing/extras/chrome/cpu_time.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..341e75c7e3ff206238f57e87d6d1f2865629cf14
|
| --- /dev/null
|
| +++ b/tracing/tracing/extras/chrome/cpu_time.html
|
| @@ -0,0 +1,47 @@
|
| +<!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/base/multi_dimensional_view.html">
|
| +<link rel="import" href="/tracing/model/helpers/chrome_model_helper.html">
|
| +<link rel="import" href="/tracing/model/helpers/chrome_renderer_helper.html">
|
| +
|
| +<script>
|
| +'use strict';
|
| +
|
| +tr.exportTo('tr.e.chrome.cpuTime', function() {
|
| + /**
|
| + * Returns the total cpu time consumed within |range| by |thread|.
|
| + */
|
| + function getCpuTimeForThread(thread, range) {
|
| + let totalCpuTime = 0;
|
| + tr.b.math.iterateOverIntersectingIntervals(
|
| + thread.sliceGroup.topLevelSlices,
|
| + slice => slice.start, slice => slice.end,
|
| + range.min, range.max,
|
| + slice => {
|
| + if (slice.duration === 0) return;
|
| + if (!slice.cpuDuration) return;
|
| +
|
| + const intersection = range.findIntersection(slice.range);
|
| + const fractionOfSliceInsideRangeOfInterest =
|
| + intersection.duration / slice.duration;
|
| +
|
| + // We assume that if a slice doesn't lie entirely inside the range of
|
| + // interest, then the CPU time is evenly distributed inside of the
|
| + // slice.
|
| + totalCpuTime +=
|
| + slice.cpuDuration * fractionOfSliceInsideRangeOfInterest;
|
| + });
|
| +
|
| + return totalCpuTime;
|
| + }
|
| +
|
| + return {
|
| + getCpuTimeForThread,
|
| + };
|
| +});
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2798213002:
Add function to get total cpu time in thread (Closed)
