| <!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="/extras/importer/linux_perf/parser.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview Parses drm driver 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 irq trace events. |
| * @constructor |
| */ |
| function IrqParser(importer) { |
| Parser.call(this, importer); |
| |
| importer.registerEventHandler('irq_handler_entry', |
| IrqParser.prototype.irqHandlerEntryEvent.bind(this)); |
| importer.registerEventHandler('irq_handler_exit', |
| IrqParser.prototype.irqHandlerExitEvent.bind(this)); |
| importer.registerEventHandler('softirq_raise', |
| IrqParser.prototype.softirqRaiseEvent.bind(this)); |
| importer.registerEventHandler('softirq_entry', |
| IrqParser.prototype.softirqEntryEvent.bind(this)); |
| importer.registerEventHandler('softirq_exit', |
| IrqParser.prototype.softirqExitEvent.bind(this)); |
| } |
| |
| // Matches the irq_handler_entry record |
| var irqHandlerEntryRE = /irq=(\d+) name=(.+)/; |
| |
| // Matches the irq_handler_exit record |
| var irqHandlerExitRE = /irq=(\d+) ret=(.+)/; |
| |
| // Matches the softirq_raise record |
| var softirqRE = /vec=(\d+) \[action=(.+)\]/; |
| |
| IrqParser.prototype = { |
| __proto__: Parser.prototype, |
| |
| /** |
| * Parses irq events and sets up state in the mporter. |
| */ |
| irqHandlerEntryEvent: function(eventName, cpuNumber, pid, ts, eventBase) { |
| var event = irqHandlerEntryRE.exec(eventBase.details); |
| if (!event) |
| return false; |
| |
| var irq = parseInt(event[1]); |
| var name = event[2]; |
| |
| var thread = this.importer.getOrCreatePseudoThread( |
| 'irqs cpu ' + cpuNumber); |
| thread.lastEntryTs = ts; |
| thread.irqName = name; |
| |
| return true; |
| }, |
| |
| irqHandlerExitEvent: function(eventName, cpuNumber, pid, ts, eventBase) { |
| var event = irqHandlerExitRE.exec(eventBase.details); |
| if (!event) |
| return false; |
| |
| var irq = parseInt(event[1]); |
| var ret = event[2]; |
| var thread = this.importer.getOrCreatePseudoThread( |
| 'irqs cpu ' + cpuNumber); |
| |
| if (thread.lastEntryTs !== undefined) { |
| var duration = ts - thread.lastEntryTs; |
| var slice = new tr.model.Slice( |
| '', thread.irqName, |
| tr.ui.b.getColorIdForGeneralPurposeString(event[1]), |
| thread.lastEntryTs, { ret: ret }, |
| duration); |
| thread.thread.sliceGroup.pushSlice(slice); |
| } |
| thread.lastEntryTs = undefined; |
| thread.irqName = undefined; |
| return true; |
| }, |
| |
| softirqRaiseEvent: function(eventName, cpuNumber, pid, ts, eventBase) { |
| return true; |
| }, |
| |
| softirqEntryEvent: function(eventName, cpuNumber, pid, ts, eventBase) { |
| var event = softirqRE.exec(eventBase.details); |
| if (!event) |
| return false; |
| |
| var action = event[2]; |
| var thread = this.importer.getOrCreatePseudoThread( |
| 'softirq cpu ' + cpuNumber); |
| thread.lastEntryTs = ts; |
| |
| return true; |
| }, |
| |
| softirqExitEvent: function(eventName, cpuNumber, pid, ts, eventBase) { |
| var event = softirqRE.exec(eventBase.details); |
| if (!event) |
| return false; |
| |
| var vec = parseInt(event[1]); |
| var action = event[2]; |
| var thread = this.importer.getOrCreatePseudoThread( |
| 'softirq cpu ' + cpuNumber); |
| |
| if (thread.lastEntryTs !== undefined) { |
| var duration = ts - thread.lastEntryTs; |
| var slice = new tr.model.Slice( |
| '', action, |
| tr.ui.b.getColorIdForGeneralPurposeString(event[1]), |
| thread.lastEntryTs, { vec: vec }, |
| duration); |
| thread.thread.sliceGroup.pushSlice(slice); |
| } |
| thread.lastEntryTs = undefined; |
| return true; |
| } |
| }; |
| |
| Parser.register(IrqParser); |
| |
| return { |
| IrqParser: IrqParser |
| }; |
| }); |
| </script> |
