| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2014 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/extras/importer/etw/parser.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Parses EventTrace events in the Windows event trace format. |
| */ |
| |
| tr.exportTo('tr.e.importer.etw', function() { |
| var Parser = tr.e.importer.etw.Parser; |
| |
| // Constants for EventTrace events. |
| var guid = '68FDD900-4A3E-11D1-84F4-0000F80464E3'; |
| var kEventTraceHeaderOpcode = 0; |
| |
| /** |
| * Parses Windows EventTrace trace events. |
| * @constructor |
| */ |
| function EventTraceParser(importer) { |
| Parser.call(this, importer); |
| |
| // Register handlers. |
| importer.registerEventHandler(guid, kEventTraceHeaderOpcode, |
| EventTraceParser.prototype.decodeHeader.bind(this)); |
| } |
| |
| EventTraceParser.prototype = { |
| __proto__: Parser.prototype, |
| |
| decodeFields: function(header, decoder) { |
| if (header.version != 2) |
| throw new Error('Incompatible EventTrace event version.'); |
| |
| var bufferSize = decoder.decodeUInt32(); |
| var version = decoder.decodeUInt32(); |
| var providerVersion = decoder.decodeUInt32(); |
| var numberOfProcessors = decoder.decodeUInt32(); |
| var endTime = decoder.decodeUInt64ToString(); |
| var timerResolution = decoder.decodeUInt32(); |
| var maxFileSize = decoder.decodeUInt32(); |
| var logFileMode = decoder.decodeUInt32(); |
| var buffersWritten = decoder.decodeUInt32(); |
| var startBuffers = decoder.decodeUInt32(); |
| var pointerSize = decoder.decodeUInt32(); |
| var eventsLost = decoder.decodeUInt32(); |
| var cpuSpeed = decoder.decodeUInt32(); |
| var loggerName = decoder.decodeUInteger(header.is64); |
| var logFileName = decoder.decodeUInteger(header.is64); |
| var timeZoneInformation = decoder.decodeTimeZoneInformation(); |
| var padding = decoder.decodeUInt32(); |
| var bootTime = decoder.decodeUInt64ToString(); |
| var perfFreq = decoder.decodeUInt64ToString(); |
| var startTime = decoder.decodeUInt64ToString(); |
| var reservedFlags = decoder.decodeUInt32(); |
| var buffersLost = decoder.decodeUInt32(); |
| var sessionNameString = decoder.decodeW16String(); |
| var logFileNameString = decoder.decodeW16String(); |
| |
| return { |
| bufferSize: bufferSize, |
| version: version, |
| providerVersion: providerVersion, |
| numberOfProcessors: numberOfProcessors, |
| endTime: endTime, |
| timerResolution: timerResolution, |
| maxFileSize: maxFileSize, |
| logFileMode: logFileMode, |
| buffersWritten: buffersWritten, |
| startBuffers: startBuffers, |
| pointerSize: pointerSize, |
| eventsLost: eventsLost, |
| cpuSpeed: cpuSpeed, |
| loggerName: loggerName, |
| logFileName: logFileName, |
| timeZoneInformation: timeZoneInformation, |
| bootTime: bootTime, |
| perfFreq: perfFreq, |
| startTime: startTime, |
| reservedFlags: reservedFlags, |
| buffersLost: buffersLost, |
| sessionNameString: sessionNameString, |
| logFileNameString: logFileNameString |
| }; |
| }, |
| |
| decodeHeader: function(header, decoder) { |
| var fields = this.decodeFields(header, decoder); |
| // TODO(etienneb): Update the Model with |fields|. |
| return true; |
| } |
| |
| }; |
| |
| Parser.register(EventTraceParser); |
| |
| return { |
| EventTraceParser: EventTraceParser |
| }; |
| }); |
| </script> |
| |
