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<!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="/tracing/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 ColorScheme = tr.b.ColorScheme;
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.ThreadSlice('', kthread.openSlice,
ColorScheme.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>
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