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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" href="/tracing/metrics/all_metrics.html"> | 8 <link rel="import" href="/tracing/metrics/all_metrics.html"> |
| 9 <link rel="import" href="/tracing/metrics/metric_registry.html"> | 9 <link rel="import" href="/tracing/metrics/metric_registry.html"> |
| 10 <link rel="import" href="/tracing/mre/function_handle.html"> | 10 <link rel="import" href="/tracing/mre/function_handle.html"> |
| 11 <link rel="import" href="/tracing/value/histogram_set.html"> | 11 <link rel="import" href="/tracing/value/histogram_set.html"> |
| 12 | 12 |
| 13 <script> | 13 <script> |
| 14 'use strict'; | 14 'use strict'; |
| 15 | 15 |
| 16 tr.exportTo('tr.metrics', function() { | 16 tr.exportTo('tr.metrics', function() { |
| 17 /** | 17 /** |
| 18 * @param {!tr.model.Model} model | 18 * @param {!tr.model.Model} model |
| 19 * @param {!Object} options | 19 * @param {!Object} options |
| 20 * @param {!Array.<string>} options.metrics | 20 * @param {!Array.<string>} options.metrics |
| 21 * @return {!tr.v.HistogramSet} | 21 * @return {!tr.v.HistogramSet} |
| 22 */ | 22 */ |
| 23 function runMetrics(model, options) { | 23 function runMetrics(model, options) { |
| 24 if (options === undefined) | 24 if (options === undefined) { |
| 25 throw new Error('Options are required.'); | 25 throw new Error('Options are required.'); |
| 26 } |
| 26 | 27 |
| 27 var metricNames = options.metrics; | 28 var metricNames = options.metrics; |
| 28 if (!metricNames) | 29 if (!metricNames) { |
| 29 throw new Error('Metric names should be specified.'); | 30 throw new Error('Metric names should be specified.'); |
| 31 } |
| 30 | 32 |
| 31 var histograms = new tr.v.HistogramSet(); | 33 var histograms = new tr.v.HistogramSet(); |
| 32 | 34 |
| 35 var metrics = []; |
| 33 for (var metricName of metricNames) { | 36 for (var metricName of metricNames) { |
| 34 var metric = tr.metrics.MetricRegistry.findTypeInfoWithName(metricName); | 37 var metric = tr.metrics.MetricRegistry.findTypeInfoWithName(metricName); |
| 35 if (metric === undefined) | 38 if (metric === undefined) { |
| 36 throw new Error('"' + metricName + '" is not a registered metric.'); | 39 throw new Error('"' + metricName + '" is not a registered metric.'); |
| 37 metric.constructor(histograms, model, options); | 40 } |
| 41 metrics.push(metric); |
| 42 try { |
| 43 metric.constructor(histograms, model, options); |
| 44 } catch (e) { |
| 45 synthesizeFailureHistograms(histograms, metric, e); |
| 46 } |
| 38 } | 47 } |
| 39 | 48 |
| 49 validateHistogramNames(histograms, metrics); |
| 50 |
| 40 return histograms; | 51 return histograms; |
| 41 } | 52 } |
| 42 | 53 |
| 43 /** | 54 /** |
| 44 * @param {!tr.v.HistogramSet} histograms | 55 * @param {!tr.v.HistogramSet} histograms |
| 56 * @param {!Array.<!tr.b.RegisteredTypeInfo>} metrics |
| 57 */ |
| 58 function validateHistogramNames(histograms, metrics) { |
| 59 var registeredHistogramNames = new Set(); |
| 60 for (var metric of metrics) { |
| 61 for (var name of metric.metadata.histogramNames) { |
| 62 registeredHistogramNames.add(name); |
| 63 } |
| 64 } |
| 65 for (var hist of histograms) { |
| 66 if (!registeredHistogramNames.has(hist.name)) { |
| 67 throw new Error('"' + hist.name + |
| 68 '" is not a registered histogram name.'); |
| 69 } |
| 70 } |
| 71 } |
| 72 |
| 73 /** |
| 74 * @param {!tr.v.HistogramSet} histograms |
| 75 * @param {!tr.b.RegisteredTypeInfo} metric |
| 76 * @param {!Error} error |
| 77 */ |
| 78 function synthesizeFailureHistograms(histograms, metric, error) { |
| 79 for (var name of metric.metadata.histogramNames) { |
| 80 var hist = new tr.v.Histogram(name, tr.b.Unit.byName.unitlessNumber); |
| 81 // TODO(benjhayden): add a FailureInfo containing |error|. |
| 82 histograms.addHistogram(hist); |
| 83 } |
| 84 } |
| 85 |
| 86 /** |
| 87 * @param {!tr.v.HistogramSet} histograms |
| 45 * @param {!tr.model.Model} model | 88 * @param {!tr.model.Model} model |
| 46 */ | 89 */ |
| 47 function addTelemetryInfo(histograms, model) { | 90 function addTelemetryInfo(histograms, model) { |
| 48 var telemetry = new tr.v.d.TelemetryInfo(); | 91 var telemetry = new tr.v.d.TelemetryInfo(); |
| 49 for (var metadata of model.metadata) { | 92 for (var metadata of model.metadata) { |
| 50 if (!metadata.value) continue; | 93 if (!metadata.value) continue; |
| 51 | 94 |
| 52 if (metadata.value.telemetry) { | 95 if (metadata.value.telemetry) { |
| 53 telemetry.addInfo(metadata.value.telemetry); | 96 telemetry.addInfo(metadata.value.telemetry); |
| 54 } | 97 } |
| (...skipping 27 matching lines...) Expand all Loading... |
| 82 } | 125 } |
| 83 | 126 |
| 84 tr.mre.FunctionRegistry.register(metricMapFunction); | 127 tr.mre.FunctionRegistry.register(metricMapFunction); |
| 85 | 128 |
| 86 return { | 129 return { |
| 87 metricMapFunction, | 130 metricMapFunction, |
| 88 runMetrics, | 131 runMetrics, |
| 89 }; | 132 }; |
| 90 }); | 133 }); |
| 91 </script> | 134 </script> |
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Chromium Code Reviews
Issue 2656493002:
Register metric Histogram names. (Closed)
