| Index: tracing/tracing/metrics/v8/runtime_stats_metric.html
|
| diff --git a/tracing/tracing/metrics/v8/runtime_stats_metric.html b/tracing/tracing/metrics/v8/runtime_stats_metric.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..af2f54e0e10ba425e3b22ece8002b8f62a9b36b8
|
| --- /dev/null
|
| +++ b/tracing/tracing/metrics/v8/runtime_stats_metric.html
|
| @@ -0,0 +1,104 @@
|
| +<!DOCTYPE html>
|
| +<!--
|
| +Copyright 2016 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/base/range.html">
|
| +<link rel="import" href="/tracing/base/unit.html">
|
| +<link rel="import" href="/tracing/extras/v8/runtime_stats_entry.html">
|
| +<link rel="import" href="/tracing/metrics/metric_registry.html">
|
| +<link rel="import" href="/tracing/metrics/system_health/loading_metric.html">
|
| +<link rel="import" href="/tracing/value/histogram.html">
|
| +
|
| +<script>
|
| +'use strict';
|
| +
|
| +tr.exportTo('tr.metrics.v8', function() {
|
| + var COUNT_CUSTOM_BOUNDARIES = tr.v.HistogramBinBoundaries
|
| + .createExponential(1, 1000000, 50);
|
| + var DURATION_CUSTOM_BOUNDARIES = tr.v.HistogramBinBoundaries
|
| + .createExponential(0.1, 10000, 50);
|
| +
|
| + function computeInteractiveTime_(model) {
|
| + var values = new tr.v.HistogramSet();
|
| + tr.metrics.sh.loadingMetric(values, model);
|
| + var ttiEntries = values.getValuesNamed('timeToFirstInteractive');
|
| +
|
| + // This metric requires traces to contain only one navigation.
|
| + var histogram = tr.b.getOnlyElement(ttiEntries);
|
| + var binsWithSampleDiagnosticMaps = histogram.allBins.filter(
|
| + bin => bin.diagnosticMaps.length > 0);
|
| + var diagnosticBin = tr.b.getOnlyElement(binsWithSampleDiagnosticMaps);
|
| + var diagnostic = tr.b.getOnlyElement(diagnosticBin.diagnosticMaps).get(
|
| + 'Navigation infos');
|
| + return diagnostic.value.interactive;
|
| + }
|
| +
|
| + function createDurationHistogram_(name) {
|
| + return new tr.v.Histogram(name + ':duration',
|
| + tr.b.Unit.byName.timeDurationInMs_smallerIsBetter,
|
| + DURATION_CUSTOM_BOUNDARIES);
|
| + }
|
| +
|
| + function createCountHistogram_(name) {
|
| + return new tr.v.Histogram(name + ':count',
|
| + tr.b.Unit.byName.count_smallerIsBetter,
|
| + COUNT_CUSTOM_BOUNDARIES);
|
| + }
|
| +
|
| + function convertMicroToMilli_(time) {
|
| + return tr.b.convertUnit(time,
|
| + tr.b.UnitScale.Metric.MICRO, tr.b.UnitScale.Metric.MILLI);
|
| + }
|
| +
|
| + function computeRuntimeStats(values, model, interactiveTime) {
|
| + var slices = [...model.getDescendantEvents()].filter(event =>
|
| + (event instanceof tr.e.v8.V8ThreadSlice) && event.start <=
|
| + interactiveTime);
|
| +
|
| + var runtimeGroupCollection = new tr.e.v8.RuntimeStatsGroupCollection();
|
| + runtimeGroupCollection.addSlices(slices);
|
| +
|
| + for (var runtimeGroup of runtimeGroupCollection.runtimeGroups) {
|
| + var durationSamples = new tr.v.d.RelatedHistogramBreakdown();
|
| + var countSamples = new tr.v.d.RelatedHistogramBreakdown();
|
| + for (var entry of runtimeGroup.values) {
|
| + var durationSampleHistogram = createDurationHistogram_(entry.name);
|
| + durationSampleHistogram.addSample(convertMicroToMilli_(entry.time));
|
| + durationSamples.set(entry.name + ':duration', durationSampleHistogram);
|
| + values.addHistogram(durationSampleHistogram);
|
| +
|
| + var countSampleHistogram = createCountHistogram_(entry.name);
|
| + countSampleHistogram.addSample(entry.count);
|
| + countSamples.set(entry.name + ':count', countSampleHistogram);
|
| + values.addHistogram(countSampleHistogram);
|
| + }
|
| +
|
| + var durationHistogram = createDurationHistogram_(runtimeGroup.name);
|
| + durationHistogram.addSample(convertMicroToMilli_(runtimeGroup.time), {
|
| + samples: durationSamples
|
| + });
|
| + var countHistogram = createCountHistogram_(runtimeGroup.name);
|
| + countHistogram.addSample(runtimeGroup.count, {
|
| + samples: countSamples
|
| + });
|
| +
|
| + values.addHistogram(durationHistogram);
|
| + values.addHistogram(countHistogram);
|
| + }
|
| + }
|
| +
|
| + function runtimeStatsMetric(values, model) {
|
| + var interactiveTime = computeInteractiveTime_(model);
|
| + computeRuntimeStats(values, model, interactiveTime);
|
| + }
|
| +
|
| + tr.metrics.MetricRegistry.register(runtimeStatsMetric);
|
| +
|
| + return {
|
| + runtimeStatsMetric: runtimeStatsMetric
|
| + };
|
| +});
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2436193002:
Reland of [V8][Metric] Initial implementation of the RuntimeStatsMetric (Closed)
