1// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5'use strict'; 6 7base.require('tracing.tracks.process_track_base'); 8base.require('tracing.tracks.cpu_track'); 9base.require('tracing.tracks.spacing_track'); 10 11base.exportTo('tracing.tracks', function() { 12 var Cpu = tracing.trace_model.Cpu; 13 var CpuTrack = tracing.tracks.cpu_track; 14 var ProcessTrackBase = tracing.tracks.ProcessTrackBase; 15 var SpacingTrack = tracing.tracks.SpacingTrack; 16 17 /** 18 * @constructor 19 */ 20 var KernelTrack = ui.define('kernel-track', ProcessTrackBase); 21 22 KernelTrack.prototype = { 23 __proto__: ProcessTrackBase.prototype, 24 25 decorate: function(viewport) { 26 tracing.tracks.ProcessTrackBase.prototype.decorate.call(this, viewport); 27 }, 28 29 30 // Kernel maps to processBase because we derive from ProcessTrackBase. 31 set kernel(kernel) { 32 this.processBase = kernel; 33 }, 34 35 get kernel() { 36 return this.processBase; 37 }, 38 39 willAppendTracks_: function() { 40 var categoryFilter = this.categoryFilter; 41 42 var cpus = base.dictionaryValues(this.kernel.cpus); 43 cpus.sort(tracing.trace_model.Cpu.compare); 44 45 var didAppendAtLeastOneTrack = false; 46 for (var i = 0; i < cpus.length; ++i) { 47 var cpu = cpus[i]; 48 if (!categoryFilter.matchCpu(cpu)) 49 return; 50 var track = new tracing.tracks.CpuTrack(this.viewport); 51 track.categoryFilter = categoryFilter; 52 track.cpu = cpu; 53 if (!track.hasVisibleContent) 54 continue; 55 this.appendChild(track); 56 didAppendAtLeastOneTrack = true; 57 } 58 if (didAppendAtLeastOneTrack) 59 this.appendChild(new SpacingTrack(this.viewport)); 60 } 61 }; 62 63 64 return { 65 KernelTrack: KernelTrack 66 }; 67}); 68