| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2013 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/unit_scale.html"> |
| <link rel="import" href="/tracing/extras/importer/linux_perf/parser.html"> |
| <link rel="import" href="/tracing/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 ColorScheme = tr.b.ColorScheme; |
| var Parser = tr.e.importer.linux_perf.Parser; |
| |
| /** |
| * Parses linux trace mark events that were inserted in the trace by userland. |
| * @constructor |
| */ |
| function BusParser(importer) { |
| Parser.call(this, importer); |
| |
| importer.registerEventHandler('memory_bus_usage', |
| BusParser.prototype.traceMarkWriteBusEvent.bind(this)); |
| |
| this.model_ = importer.model_; |
| this.ppids_ = {}; |
| } |
| |
| BusParser.prototype = { |
| __proto__: Parser.prototype, |
| |
| traceMarkWriteBusEvent: function(eventName, cpuNumber, pid, ts, |
| eventBase, threadName) { |
| var re = new RegExp('bus=(\\S+) rw_bytes=(\\d+) r_bytes=(\\d+) ' + |
| 'w_bytes=(\\d+) cycles=(\\d+) ns=(\\d+)'); |
| var event = re.exec(eventBase.details); |
| |
| var name = event[1]; |
| var rwBytes = parseInt(event[2]); |
| var rBytes = parseInt(event[3]); |
| var wBytes = parseInt(event[4]); |
| var cycles = parseInt(event[5]); |
| var ns = parseInt(event[6]); |
| |
| // BW in MiB/s. |
| var sec = tr.b.convertUnit(ns, tr.b.UnitScale.Metric.NANO, |
| tr.b.UnitScale.Metric.NONE); |
| var readBandwidthInBps = rBytes / sec; |
| var readBandwidthInMiBps = tr.b.convertUnit(readBandwidthInBps, |
| tr.b.UnitScale.Binary.NONE, |
| tr.b.UnitScale.Binary.MEBI); |
| var writeBandwidthInBps = wBytes / sec; |
| var writeBandwidthInMiBps = tr.b.convertUnit(writeBandwidthInBps, |
| tr.b.UnitScale.Binary.NONE, |
| tr.b.UnitScale.Binary.MEBI); |
| |
| var ctr = this.model_.kernel |
| .getOrCreateCounter(null, 'bus ' + name + ' read'); |
| if (ctr.numSeries === 0) { |
| ctr.addSeries(new tr.model.CounterSeries('value', |
| ColorScheme.getColorIdForGeneralPurposeString( |
| ctr.name + '.' + 'value'))); |
| } |
| ctr.series.forEach(function(series) { |
| series.addCounterSample(ts, readBandwidthInMiBps); |
| }); |
| |
| ctr = this.model_.kernel |
| .getOrCreateCounter(null, 'bus ' + name + ' write'); |
| if (ctr.numSeries === 0) { |
| ctr.addSeries(new tr.model.CounterSeries('value', |
| ColorScheme.getColorIdForGeneralPurposeString( |
| ctr.name + '.' + 'value'))); |
| } |
| ctr.series.forEach(function(series) { |
| series.addCounterSample(ts, writeBandwidthInMiBps); |
| }); |
| |
| return true; |
| } |
| }; |
| |
| Parser.register(BusParser); |
| |
| return { |
| BusParser: BusParser |
| }; |
| }); |
| </script> |
