| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2012 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="/extras/importer/linux_perf/parser.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Parses cpufreq events in the Linux event trace format. |
| */ |
| tr.exportTo('tr.e.importer.linux_perf', function() { |
| |
| var Parser = tr.e.importer.linux_perf.Parser; |
| |
| /** |
| * Parses linux cpufreq trace events. |
| * @constructor |
| */ |
| function CpufreqParser(importer) { |
| Parser.call(this, importer); |
| |
| importer.registerEventHandler('cpufreq_interactive_up', |
| CpufreqParser.prototype.cpufreqUpDownEvent.bind(this)); |
| importer.registerEventHandler('cpufreq_interactive_down', |
| CpufreqParser.prototype.cpufreqUpDownEvent.bind(this)); |
| importer.registerEventHandler('cpufreq_interactive_already', |
| CpufreqParser.prototype.cpufreqTargetEvent.bind(this)); |
| importer.registerEventHandler('cpufreq_interactive_notyet', |
| CpufreqParser.prototype.cpufreqTargetEvent.bind(this)); |
| importer.registerEventHandler('cpufreq_interactive_setspeed', |
| CpufreqParser.prototype.cpufreqTargetEvent.bind(this)); |
| importer.registerEventHandler('cpufreq_interactive_target', |
| CpufreqParser.prototype.cpufreqTargetEvent.bind(this)); |
| importer.registerEventHandler('cpufreq_interactive_boost', |
| CpufreqParser.prototype.cpufreqBoostUnboostEvent.bind(this)); |
| importer.registerEventHandler('cpufreq_interactive_unboost', |
| CpufreqParser.prototype.cpufreqBoostUnboostEvent.bind(this)); |
| } |
| |
| function splitData(input) { |
| // TODO(sleffler) split by cpu |
| var data = {}; |
| var args = input.split(/\s+/); |
| var len = args.length; |
| for (var i = 0; i < len; i++) { |
| var item = args[i].split('='); |
| data[item[0]] = parseInt(item[1]); |
| } |
| return data; |
| } |
| |
| CpufreqParser.prototype = { |
| __proto__: Parser.prototype, |
| |
| cpufreqSlice: function(ts, eventName, cpu, args) { |
| // TODO(sleffler) should be per-cpu |
| var kthread = this.importer.getOrCreatePseudoThread('cpufreq'); |
| kthread.openSlice = eventName; |
| var slice = new tr.model.Slice('', kthread.openSlice, |
| tr.b.ui.getColorIdForGeneralPurposeString(kthread.openSlice), |
| ts, args, 0); |
| |
| kthread.thread.sliceGroup.pushSlice(slice); |
| }, |
| |
| cpufreqBoostSlice: function(ts, eventName, args) { |
| var kthread = this.importer.getOrCreatePseudoThread('cpufreq_boost'); |
| kthread.openSlice = eventName; |
| var slice = new tr.model.Slice('', kthread.openSlice, |
| tr.b.ui.getColorIdForGeneralPurposeString(kthread.openSlice), |
| ts, args, 0); |
| |
| kthread.thread.sliceGroup.pushSlice(slice); |
| }, |
| |
| /** |
| * Parses cpufreq events and sets up state in the importer. |
| */ |
| cpufreqUpDownEvent: function(eventName, cpuNumber, pid, ts, eventBase) { |
| var data = splitData(eventBase.details); |
| this.cpufreqSlice(ts, eventName, data.cpu, data); |
| return true; |
| }, |
| |
| cpufreqTargetEvent: function(eventName, cpuNumber, pid, ts, |
| eventBase) { |
| var data = splitData(eventBase.details); |
| this.cpufreqSlice(ts, eventName, data.cpu, data); |
| return true; |
| }, |
| |
| cpufreqBoostUnboostEvent: function(eventName, cpuNumber, pid, ts, |
| eventBase) { |
| this.cpufreqBoostSlice(ts, eventName, |
| { |
| type: eventBase.details |
| }); |
| return true; |
| } |
| }; |
| |
| Parser.register(CpufreqParser); |
| |
| return { |
| CpufreqParser: CpufreqParser |
| }; |
| }); |
| </script> |
| |
