tracing/tracing/metrics/system_health/long_tasks_metric.html - Issue 2133963002: Implement Composition.buildFromEvents()

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Issue 2133963002: Implement Composition.buildFromEvents() (Closed) Base URL: https://github.com/catapult-project/catapult.git@master

Patch Set: fix composition-span Created 4 years, 5 months ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <!--	2 <!--

3 Copyright 2016 The Chromium Authors. All rights reserved.	3 Copyright 2016 The Chromium Authors. All rights reserved.

4 Use of this source code is governed by a BSD-style license that can be	4 Use of this source code is governed by a BSD-style license that can be

5 found in the LICENSE file.	5 found in the LICENSE file.

6 -->	6 -->

7	7

	8 <link rel="import"
	eakuefner 2016/07/12 16:18:48 nit: there isn't an 80char limit in HTML, so just nit: there isn't an 80char limit in HTML, so just put this on one line.
	9 href="/tracing/extras/chrome/chrome_user_friendly_category_driver.html">

8 <link rel="import" href="/tracing/metrics/metric_registry.html">	10 <link rel="import" href="/tracing/metrics/metric_registry.html">

9 <link rel="import" href="/tracing/model/helpers/chrome_model_helper.html">	11 <link rel="import" href="/tracing/model/helpers/chrome_model_helper.html">

10 <link rel="import" href="/tracing/value/numeric.html">	12 <link rel="import" href="/tracing/value/numeric.html">

11 <link rel="import" href="/tracing/value/value.html">	13 <link rel="import" href="/tracing/value/value.html">

12	14

13 <script>	15 <script>

14 'use strict';	16 'use strict';

15	17

16 tr.exportTo('tr.metrics.sh', function() {	18 tr.exportTo('tr.metrics.sh', function() {

17 var LONG_TASK_MS = 50;	19 var LONG_TASK_MS = 50;

(...skipping 43 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
61 function(rendererHelper) {	63 function(rendererHelper) {

62 if (!rendererHelper.mainThread)	64 if (!rendererHelper.mainThread)

63 return;	65 return;

64 cb.call(opt_this, rendererHelper.mainThread);	66 cb.call(opt_this, rendererHelper.mainThread);

65 });	67 });

66 }	68 }

67	69

68 var LONG_TASK_NUMERIC_BUILDER = tr.v.NumericBuilder.createLinear(	70 var LONG_TASK_NUMERIC_BUILDER = tr.v.NumericBuilder.createLinear(

69 tr.v.Unit.byName.timeDurationInMs_smallerIsBetter,	71 tr.v.Unit.byName.timeDurationInMs_smallerIsBetter,

70 tr.b.Range.fromExplicitRange(LONG_TASK_MS, LONGEST_TASK_MS), 50);	72 tr.b.Range.fromExplicitRange(LONG_TASK_MS, LONGEST_TASK_MS), 50);

	73 var SLICE_NUMERIC_BUILDER = tr.v.NumericBuilder.createExponential(
	eakuefner 2016/07/12 16:18:48 Why exponential? Comment perhaps? Why exponential? Comment perhaps?
	74 tr.v.Unit.byName.timeDurationInMs_smallerIsBetter,

	75 tr.b.Range.fromExplicitRange(0.1, LONGEST_TASK_MS), 50);

71	76

72 /**	77 /**

73 * This metric directly measures long tasks on renderer main threads.	78 * This metric directly measures long tasks on renderer main threads.

74 * This metric requires only the 'toplevel' tracing category.	79 * This metric requires only the 'toplevel' tracing category.

75 *	80 *

76 * @param {!tr.v.ValueSet} values	81 * @param {!tr.v.ValueSet} values

77 * @param {!tr.model.Model} model	82 * @param {!tr.model.Model} model

78 * @param {!Object=} opt_options	83 * @param {!Object=} opt_options

79 */	84 */

80 function longTasksMetric(values, model, opt_options) {	85 function longTasksMetric(values, model, opt_options) {

81 var rangeOfInterest = opt_options ? opt_options.rangeOfInterest : undefined;	86 var rangeOfInterest = opt_options ? opt_options.rangeOfInterest : undefined;

82 var longTaskNumeric = LONG_TASK_NUMERIC_BUILDER.build();	87 var longTaskNumeric = LONG_TASK_NUMERIC_BUILDER.build();

	88 var slices = new tr.model.EventSet();

83 iterateRendererMainThreads(model, function(thread) {	89 iterateRendererMainThreads(model, function(thread) {

84 iterateLongTopLevelTasksOnThreadInRange(	90 iterateLongTopLevelTasksOnThreadInRange(

85 thread, rangeOfInterest, function(task) {	91 thread, rangeOfInterest, function(task) {

86 longTaskNumeric.add(task.duration,	92 longTaskNumeric.add(task.duration,

87 new tr.v.d.RelatedEventSet([task]));	93 new tr.v.d.RelatedEventSet([task]));

	94 slices.push(task);

	95 slices.addEventSet(task.descendentSlices);

88 });	96 });

89 });	97 });

90 var options = {description: 'durations of long tasks'};	98 var options = {description: 'durations of long tasks'};

91 values.addValue(new tr.v.NumericValue(	99 var longTaskValue = new tr.v.NumericValue(

92 'long tasks', longTaskNumeric, options));	100 'long tasks', longTaskNumeric, options);

	101 values.addValue(longTaskValue);

	102 var composition = tr.v.d.Composition.build(

	103 values, 'long tasks ', slices, SLICE_NUMERIC_BUILDER,

	104 tr.e.chrome.ChromeUserFriendlyCategoryDriver.fromEvent);

	105 longTaskValue.diagnostics.add('category', composition);

93 }	106 }

94	107

95 tr.metrics.MetricRegistry.register(longTasksMetric, {	108 tr.metrics.MetricRegistry.register(longTasksMetric, {

96 supportsRangeOfInterest: true	109 supportsRangeOfInterest: true

97 });	110 });

98	111

99 return {	112 return {

100 longTasksMetric: longTasksMetric,	113 longTasksMetric: longTasksMetric,

101 iterateLongTopLevelTasksOnThreadInRange:	114 iterateLongTopLevelTasksOnThreadInRange:

102 iterateLongTopLevelTasksOnThreadInRange,	115 iterateLongTopLevelTasksOnThreadInRange,

103 iterateRendererMainThreads: iterateRendererMainThreads,	116 iterateRendererMainThreads: iterateRendererMainThreads,

104 LONG_TASK_MS: LONG_TASK_MS,	117 LONG_TASK_MS: LONG_TASK_MS,

105 LONGEST_TASK_MS: LONGEST_TASK_MS	118 LONGEST_TASK_MS: LONGEST_TASK_MS

106 };	119 };

107 });	120 });

108 </script>	121 </script>

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