| Index: tracing/tracing/value/histogram_parameter_collector.html
|
| diff --git a/tracing/tracing/value/histogram_parameter_collector.html b/tracing/tracing/value/histogram_parameter_collector.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..5be74254ba1b72d17c2dd9d414a8232868a809f6
|
| --- /dev/null
|
| +++ b/tracing/tracing/value/histogram_parameter_collector.html
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| @@ -0,0 +1,135 @@
|
| +<!DOCTYPE html>
|
| +<!--
|
| +Copyright 2017 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/value/histogram_set.html">
|
| +
|
| +<script>
|
| +'use strict';
|
| +tr.exportTo('tr.v', function() {
|
| + const getDisplayLabel = tr.v.HistogramSet.GROUPINGS.DISPLAY_LABEL.callback;
|
| +
|
| + const DEFAULT_POSSIBLE_GROUPS = [];
|
| +
|
| + // Override HISTOGRAM_NAME so that we can display shortName.
|
| + DEFAULT_POSSIBLE_GROUPS.push(new tr.v.HistogramGrouping(
|
| + tr.v.HistogramSet.GROUPINGS.HISTOGRAM_NAME.key,
|
| + h => h.shortName || h.name));
|
| +
|
| + for (const group of Object.values(tr.v.HistogramSet.GROUPINGS)) {
|
| + // DISPLAY_LABEL is used to define the columns, so don't allow grouping
|
| + // rows by it.
|
| + // HISTOGRAM_NAME is overridden.
|
| + if (group !== tr.v.HistogramSet.GROUPINGS.DISPLAY_LABEL &&
|
| + group !== tr.v.HistogramSet.GROUPINGS.HISTOGRAM_NAME) {
|
| + DEFAULT_POSSIBLE_GROUPS.push(group);
|
| + }
|
| + }
|
| +
|
| + // This Processor collects various parameters from a set of Histograms such as
|
| + // their statistics, displayLabels, and grouping keys in a single pass.
|
| + class HistogramParameterCollector {
|
| + constructor() {
|
| + this.statisticNames_ = new Set(['avg']);
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| +
|
| + this.labelsToStartTimes_ = new Map();
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| +
|
| + // @typedef {!Map.<string,!tr.v.HistogramGrouping>}
|
| + this.keysToGroupings_ = new Map(DEFAULT_POSSIBLE_GROUPS.map(
|
| + g => [g.key, g]));
|
| +
|
| + // Map from HistogramGrouping keys to Sets of return values from the
|
| + // HistogramGroupings' callbacks.
|
| + this.keysToValues_ = new Map(DEFAULT_POSSIBLE_GROUPS.map(
|
| + g => [g.key, new Set()]));
|
| +
|
| + // Never remove 'name' from keysToGroupings.
|
| + this.keysToValues_.delete(tr.v.HistogramSet.GROUPINGS.HISTOGRAM_NAME.key);
|
| + }
|
| +
|
| + process(histograms) {
|
| + for (const hist of histograms) {
|
| + for (const statName of hist.statisticsNames) {
|
| + this.statisticNames_.add(statName);
|
| + }
|
| +
|
| + const telemetry = tr.v.d.TelemetryInfo.getFromHistogram(hist);
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| +
|
| + let startTime = 0;
|
| + if (telemetry && telemetry.benchmarkStart) {
|
| + startTime = telemetry.benchmarkStart.getTime();
|
| + }
|
| + const displayLabel = getDisplayLabel(hist);
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| +
|
| + this.labelsToStartTimes_.set(displayLabel, Math.min(
|
| + startTime, this.labelsToStartTimes_.get(displayLabel, 0)));
|
| +
|
| + if (!telemetry) continue;
|
| +
|
| + for (const [groupingKey, values] of this.keysToValues_) {
|
| + const grouping = this.keysToGroupings_.get(groupingKey);
|
| + const value = grouping.callback(hist);
|
| + if (!value) continue;
|
| + values.add(value);
|
| + if (values.size > 1) {
|
| + // This grouping will definitely stay in keysToGroupings_. We don't
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| + // need to see any more values in the rest of histograms. Remove
|
| + // this groupingKey from this.keysToValues_ so that we don't compute
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| + // it for any more histograms and so that we don't delete it from
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| + // keysToGroupings_.
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| + this.keysToValues_.delete(groupingKey);
|
| + }
|
| + }
|
| +
|
| + // Translate storyGroupingKeys like {cache_temp: 'cold'} into
|
| + // HistogramGroupings like {
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| + // key: 'storyGroupingKey_cache_temp',
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| + // callback: (a function that takes a Histogram and returns its
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| + // TelemetryInfo.storyGroupingKeys.get('cache_temp')),
|
| + // }
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| +
|
| + for (const [key, value] of telemetry.storyGroupingKeys) {
|
| + // If this storyGroupingKey is not yet known, then add a new
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| + // HistogramGrouping to keysToGroupings_ and a new Set of values to
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| + // keysToValues_
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| + const groupingKey = 'storyGroupingKey_' + key;
|
| + if (this.keysToGroupings_.has(groupingKey)) continue;
|
| + this.keysToGroupings_.set(groupingKey, new tr.v.HistogramGrouping(
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| + groupingKey,
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| + tr.v.d.TelemetryInfo.makeStoryGroupingKeyLabelGetter(key)));
|
| + this.keysToValues_.set(groupingKey, new Set([value]));
|
| + }
|
| + }
|
| + }
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| +
|
| + get statisticNames() {
|
| + return Array.from(this.statisticNames_);
|
| + }
|
| +
|
| + get labels() {
|
| + const displayLabels = Array.from(this.labelsToStartTimes_.keys());
|
| + displayLabels.sort((x, y) =>
|
| + this.labelsToStartTimes_.get(x) - this.labelsToStartTimes_.get(y));
|
| + return displayLabels;
|
| + }
|
| +
|
| + get possibleGroupings() {
|
| + for (const [key, values] of this.keysToValues_) {
|
| + if (values.size >= 2) continue;
|
| + // Remove this grouping from keysToGroupings_ if there is fewer than
|
| + // 2 possible values.
|
| + this.keysToGroupings_.delete(key);
|
| + }
|
| +
|
| + return Array.from(this.keysToGroupings_.values());
|
| + }
|
| + }
|
| +
|
| + return {
|
| + HistogramParameterCollector,
|
| + };
|
| +});
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 2747453003:
Refactor histogram-set-view to an MVC pattern. (Closed)
