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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.analysis.util');
base.require('ui');
base.require('tracing.trace_model.counter_sample');
base.exportTo('tracing.analysis', function() {
var CounterSample = tracing.trace_model.CounterSample;
function analyzeCounterSamples(results, allSamples) {
var samplesByCounter = {};
for (var i = 0; i < allSamples.length; i++) {
var ctr = allSamples[i].series.counter;
if (!samplesByCounter[ctr.guid])
samplesByCounter[ctr.guid] = [];
samplesByCounter[ctr.guid].push(allSamples[i]);
}
for (var guid in samplesByCounter) {
var samples = samplesByCounter[guid];
var ctr = samples[0].series.counter;
var timestampGroups = CounterSample.groupByTimestamp(samples);
if (timestampGroups.length == 1)
analyzeSingleCounterTimestamp(results, ctr, timestampGroups[0]);
else
analyzeMultipleCounterTimestamps(results, ctr, timestampGroups);
}
}
function analyzeSingleCounterTimestamp(
results, ctr, samplesWithSameTimestamp) {
results.appendHeader('Selected counter:');
var table = results.appendTable('analysis-counter-table', 2);
results.appendInfoRow(table, 'Title', ctr.name);
results.appendInfoRowTime(
table, 'Timestamp', samplesWithSameTimestamp[0].timestamp);
for (var i = 0; i < samplesWithSameTimestamp.length; i++) {
var sample = samplesWithSameTimestamp[i];
results.appendInfoRow(table, sample.series.name, sample.value);
}
}
function analyzeMultipleCounterTimestamps(results, ctr, samplesByTimestamp) {
results.appendHeader('Counter ' + ctr.name);
var table = results.appendTable('analysis-counter-table', 2);
var sampleIndices = [];
for (var i = 0; i < samplesByTimestamp.length; i++)
sampleIndices.push(samplesByTimestamp[i][0].getSampleIndex());
var stats = ctr.getSampleStatistics(sampleIndices);
for (var i = 0; i < stats.length; i++) {
var samples = [];
for (var k = 0; k < sampleIndices.length; ++k)
samples.push(ctr.getSeries(i).getSample(sampleIndices[k]).value);
results.appendDataRow(
table,
ctr.name + ': series(' + ctr.getSeries(i).name + ')',
samples,
null,
null,
samples.length,
stats[i]);
}
}
return {
analyzeCounterSamples: analyzeCounterSamples,
analyzeSingleCounterTimestamp: analyzeSingleCounterTimestamp,
analyzeMultipleCounterTimestamps: analyzeMultipleCounterTimestamps
};
});
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