| <!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 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 drm trace events. |
| * @constructor |
| */ |
| function DrmParser(importer) { |
| Parser.call(this, importer); |
| |
| importer.registerEventHandler('drm_vblank_event', |
| DrmParser.prototype.vblankEvent.bind(this)); |
| } |
| |
| DrmParser.prototype = { |
| __proto__: Parser.prototype, |
| |
| drmVblankSlice: function(ts, eventName, args) { |
| var kthread = this.importer.getOrCreatePseudoThread('drm_vblank'); |
| kthread.openSlice = eventName; |
| var slice = new tr.model.Slice('', kthread.openSlice, |
| tr.ui.b.getColorIdForGeneralPurposeString(kthread.openSlice), |
| ts, args, 0); |
| |
| kthread.thread.sliceGroup.pushSlice(slice); |
| }, |
| |
| /** |
| * Parses drm driver events and sets up state in the importer. |
| */ |
| vblankEvent: function(eventName, cpuNumber, pid, ts, eventBase) { |
| var event = /crtc=(\d+), seq=(\d+)/.exec(eventBase.details); |
| if (!event) |
| return false; |
| |
| var crtc = parseInt(event[1]); |
| var seq = parseInt(event[2]); |
| this.drmVblankSlice(ts, 'vblank:' + crtc, |
| { |
| crtc: crtc, |
| seq: seq |
| }); |
| return true; |
| } |
| }; |
| |
| Parser.register(DrmParser); |
| |
| return { |
| DrmParser: DrmParser |
| }; |
| }); |
| </script> |
| |
