| <!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"> |
| <link rel="import" href="/model/counter_series.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Parses trace_marker events that were inserted in the trace by |
| * userland. |
| */ |
| tr.exportTo('tr.e.importer.linux_perf', function() { |
| |
| var Parser = tr.e.importer.linux_perf.Parser; |
| |
| /** |
| * Parses linux trace mark events that were inserted in the trace by userland. |
| * @constructor |
| */ |
| function ClockParser(importer) { |
| Parser.call(this, importer); |
| |
| importer.registerEventHandler('clock_set_rate', |
| ClockParser.prototype.traceMarkWriteClockEvent.bind(this)); |
| |
| this.model_ = importer.model_; |
| this.ppids_ = {}; |
| } |
| |
| ClockParser.prototype = { |
| __proto__: Parser.prototype, |
| |
| traceMarkWriteClockEvent: function(eventName, cpuNumber, pid, ts, |
| eventBase, threadName) { |
| var event = /(\S+) state=(\d+) cpu_id=(\d+)/.exec(eventBase.details); |
| |
| |
| var name = event[1]; |
| var rate = parseInt(event[2]); |
| |
| var ctr = this.model_.kernel |
| .getOrCreateCounter(null, name); |
| // Initialize the counter's series fields if needed. |
| if (ctr.numSeries === 0) { |
| ctr.addSeries(new tr.model.CounterSeries('value', |
| tr.b.ui.getColorIdForGeneralPurposeString( |
| ctr.name + '.' + 'value'))); |
| } |
| ctr.series.forEach(function(series) { |
| series.addCounterSample(ts, rate); |
| }); |
| |
| return true; |
| } |
| }; |
| |
| Parser.register(ClockParser); |
| |
| return { |
| ClockParser: ClockParser |
| }; |
| }); |
| </script> |
