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// 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.
'use strict';
base.require('tracing.tracks.process_track_base');
base.require('tracing.tracks.cpu_track');
base.require('tracing.tracks.spacing_track');
base.exportTo('tracing.tracks', function() {
var Cpu = tracing.trace_model.Cpu;
var CpuTrack = tracing.tracks.cpu_track;
var ProcessTrackBase = tracing.tracks.ProcessTrackBase;
var SpacingTrack = tracing.tracks.SpacingTrack;
/**
* @constructor
*/
var KernelTrack = ui.define('kernel-track', ProcessTrackBase);
KernelTrack.prototype = {
__proto__: ProcessTrackBase.prototype,
decorate: function(viewport) {
tracing.tracks.ProcessTrackBase.prototype.decorate.call(this, viewport);
},
// Kernel maps to processBase because we derive from ProcessTrackBase.
set kernel(kernel) {
this.processBase = kernel;
},
get kernel() {
return this.processBase;
},
willAppendTracks_: function() {
var cpus = base.dictionaryValues(this.kernel.cpus);
cpus.sort(tracing.trace_model.Cpu.compare);
var didAppendAtLeastOneTrack = false;
for (var i = 0; i < cpus.length; ++i) {
var cpu = cpus[i];
var track = new tracing.tracks.CpuTrack(this.viewport);
track.cpu = cpu;
if (!track.hasVisibleContent)
continue;
this.appendChild(track);
didAppendAtLeastOneTrack = true;
}
if (didAppendAtLeastOneTrack)
this.appendChild(new SpacingTrack(this.viewport));
}
};
return {
KernelTrack: KernelTrack
};
});
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