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| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <!-- | 2 <!-- |
| 3 Copyright (c) 2015 The Chromium Authors. All rights reserved. | 3 Copyright (c) 2015 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" href="/tracing/metrics/metric_registry.html"> | 8 <link rel="import" href="/tracing/metrics/metric_registry.html"> |
| 9 <link rel="import" href="/tracing/metrics/system_health/long_tasks_metric.html"> | 9 <link rel="import" href="/tracing/metrics/system_health/long_tasks_metric.html"> |
| 10 <link rel="import" href="/tracing/value/numeric.html"> | 10 <link rel="import" href="/tracing/value/numeric.html"> |
| 11 <link rel="import" href="/tracing/value/value.html"> | 11 <link rel="import" href="/tracing/value/value.html"> |
| 12 | 12 |
| 13 <script> | 13 <script> |
| 14 'use strict'; | 14 'use strict'; |
| 15 | 15 |
| 16 tr.exportTo('tr.metrics.sh', function() { | 16 tr.exportTo('tr.metrics.sh', function() { |
| 17 var NUMERIC_BUILDER = tr.v.NumericBuilder.createLinear( | |
| 18 tr.v.Unit.byName.normalizedPercentage_smallerIsBetter, | |
| 19 tr.b.Range.fromExplicitRange(0, 1), 20); | |
| 20 | |
| 21 // The following math is easier if the units are seconds rather than ms, | 17 // The following math is easier if the units are seconds rather than ms, |
| 22 // so durations will be converted from ms to s. | 18 // so durations will be converted from ms to s. |
| 23 var MS_PER_S = 1000; | 19 var MS_PER_S = 1000; |
| 24 | 20 |
| 25 // https://www.desmos.com/calculator/ysabhcc42g | 21 // https://www.desmos.com/calculator/ysabhcc42g |
| 26 var RESPONSE_RISK = | 22 var RESPONSE_RISK = |
| 27 tr.b.Statistics.LogNormalDistribution.fromMedianAndDiminishingReturns( | 23 tr.b.Statistics.LogNormalDistribution.fromMedianAndDiminishingReturns( |
| 28 100 / MS_PER_S, 50 / MS_PER_S); | 24 100 / MS_PER_S, 50 / MS_PER_S); |
| 29 | 25 |
| 30 /** | 26 /** |
| (...skipping 90 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 121 * This EXPERIMENTAL metric computes a scalar normalized score that | 117 * This EXPERIMENTAL metric computes a scalar normalized score that |
| 122 * represents the risk that a speculative input's responsiveness would have | 118 * represents the risk that a speculative input's responsiveness would have |
| 123 * been impacted by long tasks. | 119 * been impacted by long tasks. |
| 124 * This metric requires only the 'toplevel' tracing category. | 120 * This metric requires only the 'toplevel' tracing category. |
| 125 */ | 121 */ |
| 126 function hazardMetric(values, model) { | 122 function hazardMetric(values, model) { |
| 127 var overallHazard = computeHazardForLongTasks(model); | 123 var overallHazard = computeHazardForLongTasks(model); |
| 128 if (overallHazard === undefined) | 124 if (overallHazard === undefined) |
| 129 overallHazard = 0; | 125 overallHazard = 0; |
| 130 | 126 |
| 131 var hist = NUMERIC_BUILDER.build(); | 127 var hist = new tr.v.Histogram( |
| 128 tr.v.Unit.byName.normalizedPercentage_smallerIsBetter); |
| 132 hist.add(overallHazard); | 129 hist.add(overallHazard); |
| 133 values.addValue(new tr.v.NumericValue('hazard', hist)); | 130 values.addValue(new tr.v.NumericValue('hazard', hist)); |
| 134 } | 131 } |
| 135 | 132 |
| 136 tr.metrics.MetricRegistry.register(hazardMetric); | 133 tr.metrics.MetricRegistry.register(hazardMetric); |
| 137 | 134 |
| 138 return { | 135 return { |
| 139 hazardMetric: hazardMetric, | 136 hazardMetric: hazardMetric, |
| 140 computeHazardForLongTasksInRangeOnThread: | 137 computeHazardForLongTasksInRangeOnThread: |
| 141 computeHazardForLongTasksInRangeOnThread, | 138 computeHazardForLongTasksInRangeOnThread, |
| 142 computeHazardForLongTasks: computeHazardForLongTasks, | 139 computeHazardForLongTasks: computeHazardForLongTasks, |
| 143 computeResponsivenessRisk: computeResponsivenessRisk | 140 computeResponsivenessRisk: computeResponsivenessRisk |
| 144 }; | 141 }; |
| 145 }); | 142 }); |
| 146 </script> | 143 </script> |
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Chromium Code Reviews
Issue 2293533002:
Refactor NumericBuilder to HistogramBinBoundaries. (Closed)
Base URL: https://github.com/catapult-project/catapult.git@master