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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">
<link rel="import" href="/tracing/model/counter_series.html">
<script>
'use strict';
/**
* @fileoverview Parses trace_marker events that were inserted in the trace by
* userland.
*/
tr.exportTo('tr.e.importer.linux_perf', function() {
var ColorScheme = tr.b.ColorScheme;
var Parser = tr.e.importer.linux_perf.Parser;
/**
* Parses linux trace mark events that were inserted in the trace by userland.
* @constructor
*/
function AndroidParser(importer) {
Parser.call(this, importer);
importer.registerEventHandler('tracing_mark_write:android',
AndroidParser.prototype.traceMarkWriteAndroidEvent.bind(this));
importer.registerEventHandler('0:android',
AndroidParser.prototype.traceMarkWriteAndroidEvent.bind(this));
this.model_ = importer.model_;
this.ppids_ = {};
}
function parseArgs(argsString) {
var args = {};
if (argsString) {
var argsArray = argsString.split(';');
for (var i = 0; i < argsArray.length; ++i) {
var parts = argsArray[i].split('=');
if (parts[0])
args[parts.shift()] = parts.join('=');
}
}
return args;
}
AndroidParser.prototype = {
__proto__: Parser.prototype,
openAsyncSlice: function(thread, category, name, cookie, ts, args) {
var asyncSliceConstructor =
tr.model.AsyncSlice.subTypes.getConstructor(
category, name);
var slice = new asyncSliceConstructor(
category, name,
ColorScheme.getColorIdForGeneralPurposeString(name), ts, args);
var key = category + ':' + name + ':' + cookie;
slice.id = cookie;
slice.startThread = thread;
if (!this.openAsyncSlices) {
this.openAsyncSlices = { };
}
this.openAsyncSlices[key] = slice;
},
closeAsyncSlice: function(thread, category, name, cookie, ts, args) {
if (!this.openAsyncSlices) {
// No async slices have been started.
return;
}
var key = category + ':' + name + ':' + cookie;
var slice = this.openAsyncSlices[key];
if (!slice) {
// No async slices w/ this key have been started.
return;
}
for (var arg in args) {
if (slice.args[arg] !== undefined) {
this.model_.importWarning({
type: 'parse_error',
message: 'Both the S and F events of ' + slice.title +
' provided values for argument ' + arg + '.' +
' The value of the F event will be used.'
});
}
slice.args[arg] = args[arg];
}
slice.endThread = thread;
slice.duration = ts - slice.start;
slice.startThread.asyncSliceGroup.push(slice);
slice.subSlices = [new tr.model.AsyncSlice(slice.category,
slice.title, slice.colorId, slice.start, slice.args, slice.duration)];
delete this.openAsyncSlices[key];
},
traceMarkWriteAndroidEvent: function(eventName, cpuNumber, pid, ts,
eventBase) {
var eventData = eventBase.details.split('|');
switch (eventData[0]) {
case 'B':
var ppid = parseInt(eventData[1]);
var title = eventData[2];
var args = parseArgs(eventData[3]);
var category = eventData[4];
if (category === undefined)
category = 'android';
var thread = this.model_.getOrCreateProcess(ppid)
.getOrCreateThread(pid);
thread.name = eventBase.threadName;
if (!thread.sliceGroup.isTimestampValidForBeginOrEnd(ts)) {
this.model_.importWarning({
type: 'parse_error',
message: 'Timestamps are moving backward.'
});
return false;
}
this.ppids_[pid] = ppid;
thread.sliceGroup.beginSlice(category, title, ts, args);
break;
case 'E':
var ppid = this.ppids_[pid];
if (ppid === undefined) {
// Silently ignore unmatched E events.
break;
}
var thread = this.model_.getOrCreateProcess(ppid)
.getOrCreateThread(pid);
if (!thread.sliceGroup.openSliceCount) {
// Silently ignore unmatched E events.
break;
}
var slice = thread.sliceGroup.endSlice(ts);
var args = parseArgs(eventData[3]);
for (var arg in args) {
if (slice.args[arg] !== undefined) {
this.model_.importWarning({
type: 'parse_error',
message: 'Both the B and E events of ' + slice.title +
' provided values for argument ' + arg + '.' +
' The value of the E event will be used.'
});
}
slice.args[arg] = args[arg];
}
break;
case 'C':
var ppid = parseInt(eventData[1]);
var name = eventData[2];
var value = parseInt(eventData[3]);
var category = eventData[4];
if (category === undefined)
category = 'android';
var ctr = this.model_.getOrCreateProcess(ppid)
.getOrCreateCounter(category, name);
// Initialize the counter's series fields if needed.
if (ctr.numSeries === 0) {
ctr.addSeries(new tr.model.CounterSeries(value,
ColorScheme.getColorIdForGeneralPurposeString(
ctr.name + '.' + 'value')));
}
ctr.series.forEach(function(series) {
series.addCounterSample(ts, value);
});
break;
case 'S':
var ppid = parseInt(eventData[1]);
var name = eventData[2];
var cookie = parseInt(eventData[3]);
var args = parseArgs(eventData[4]);
var category = eventData[5];
if (category === undefined)
category = 'android';
var thread = this.model_.getOrCreateProcess(ppid)
.getOrCreateThread(pid);
thread.name = eventBase.threadName;
this.ppids_[pid] = ppid;
this.openAsyncSlice(thread, category, name, cookie, ts, args);
break;
case 'F':
// Note: An async slice may end on a different thread from the one
// that started it so this thread may not have been seen yet.
var ppid = parseInt(eventData[1]);
var name = eventData[2];
var cookie = parseInt(eventData[3]);
var args = parseArgs(eventData[4]);
var category = eventData[5];
if (category === undefined)
category = 'android';
var thread = this.model_.getOrCreateProcess(ppid)
.getOrCreateThread(pid);
thread.name = eventBase.threadName;
this.ppids_[pid] = ppid;
this.closeAsyncSlice(thread, category, name, cookie, ts, args);
break;
default:
return false;
}
return true;
}
};
Parser.register(AndroidParser);
return {
AndroidParser: AndroidParser
};
});
</script>
|
