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Unified Diff: perf_insights/perf_insights/mappers/scheduling/map_wake_ups.html

Issue 2162963002: [polymer] Merge of master into polymer10-migration (Closed) Base URL: git@github.com:catapult-project/catapult.git@polymer10-migration
Patch Set: Merge polymer10-migration int polymer10-merge Created 4 years, 5 months ago
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Index: perf_insights/perf_insights/mappers/scheduling/map_wake_ups.html
diff --git a/perf_insights/perf_insights/mappers/scheduling/map_wake_ups.html b/perf_insights/perf_insights/mappers/scheduling/map_wake_ups.html
deleted file mode 100644
index 472e3e4a83376e9a26ae0546fe883614af56eeea..0000000000000000000000000000000000000000
--- a/perf_insights/perf_insights/mappers/scheduling/map_wake_ups.html
+++ /dev/null
@@ -1,131 +0,0 @@
-<!DOCTYPE html>
-<!--
-Copyright 2015 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="/perf_insights/mre/function_handle.html">
-<link rel="import" href="/tracing/base/range.html">
-
-<script>
-'use strict';
-
-tr.exportTo('pie', function() {
- // Conservative estimate: if we hadn't been doing anything for 1ms, we
- // probably needed to wake up the CPU for this.
- // TODO(skyostil): Augment this with CPU power management states.
- var IDLE_THRESHOLD_MILLISECONDS = 1;
-
- function sanitizeReason(reason) {
- // Remove any path name components (e.g., '/foo/bar/baz' or 'c:\foo\bar\baz'
- // are both reduced to 'baz').
- return reason.replace(/^.*[\/\\]/, '');
- }
-
- function findWakeUpReason(event) {
- var tqmRunTask = event.findDescendentSlice('TaskQueueManager::RunTask');
- if (tqmRunTask && tqmRunTask.subSlices.length > 0)
- return tqmRunTask.subSlices[0].title;
- var processTask =
- event.findDescendentSlice('TaskQueueManager::ProcessTaskFromWorkQueue');
- if (processTask &&
- processTask.args.src_file &&
- processTask.args.src_func) {
- return processTask.args.src_file + ':' + processTask.args.src_func;
- }
- if (event.title === 'MessageLoop::RunTask' &&
- event.args.src_file &&
- event.args.src_func) {
- return event.args.src_file + ':' + event.args.src_func;
- }
- return event.title;
- }
-
- // Estimate number of times the CPU was woken up from idle to execute
- // different types of work (e.g., timer work) and the time the CPU had been
- // idle before that.
- // See https://goo.gl/l7V5xg.
- function findWakeUpsOnThread(thread) {
- var wakeUps = {};
- var foundWakeUps = false;
- var lastTaskEnd = undefined;
- thread.iterateAllEvents(function(event) {
- if (!event.isTopLevel)
- return;
- var taskEnd = event.start + event.duration;
- if (lastTaskEnd === undefined) {
- lastTaskEnd = taskEnd;
- return;
- }
- var sleepTime = event.start - lastTaskEnd;
- var isWakeUp = sleepTime >= IDLE_THRESHOLD_MILLISECONDS;
- lastTaskEnd = taskEnd;
- if (!isWakeUp)
- return;
- var reason = sanitizeReason(findWakeUpReason(event));
- if (wakeUps[reason] === undefined)
- wakeUps[reason] = {frequency: 0, sleepTimes: []};
- wakeUps[reason].frequency++;
- wakeUps[reason].sleepTimes.push(sleepTime);
- foundWakeUps = true;
- });
- return foundWakeUps ? wakeUps : undefined;
- }
-
- function updateThreadWakeUps(existingWakeUps, newWakeUps) {
- for (var reason in newWakeUps) {
- if (!(reason in existingWakeUps)) {
- existingWakeUps[reason] = newWakeUps[reason];
- continue;
- }
- existingWakeUps[reason].frequency += newWakeUps[reason].frequency;
- existingWakeUps[reason].sleepTimes =
- existingWakeUps[reason].sleepTimes.concat(
- newWakeUps[reason].sleepTimes);
- }
- }
-
- function mapWakeUps(result, model) {
- var allWakeUps = {};
- for (var pid in model.processes) {
- var process = model.processes[pid];
- for (var tid in process.threads) {
- var thread = process.threads[tid];
- var wakeUps = findWakeUpsOnThread(thread);
- if (!wakeUps === undefined)
- continue;
- if (!(thread.name in allWakeUps))
- allWakeUps[thread.name] = {};
- updateThreadWakeUps(allWakeUps[thread.name], wakeUps);
- }
- }
-
- // Normalize frequency to wake-ups/second.
- // Note: if we found any wake-ups, the total duration of the trace is
- // guaranteed to be positive.
- var totalDurationSeconds = model.bounds.duration / 1000;
- var foundAnyWakeUps = false;
- for (var thread in allWakeUps) {
- var threadWakeUps = allWakeUps[thread];
- for (var reason in threadWakeUps) {
- threadWakeUps[reason].frequency /= totalDurationSeconds;
- foundAnyWakeUps = true;
- }
- }
-
- if (!foundAnyWakeUps) {
- result.addPair('wakeUps', null);
- return;
- }
-
- result.addPair('wakeUps', allWakeUps);
- }
-
- pi.FunctionRegistry.register(mapWakeUps);
-
- return {
- mapWakeUpsForTest: mapWakeUps
- };
-});
-</script>
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