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| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <!-- | 2 <!-- |
| 3 Copyright 2017 The Chromium Authors. All rights reserved. | 3 Copyright 2017 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/base/range.html"> | 8 <link rel="import" href="/tracing/base/math/range.html"> |
| 9 <link rel="import" href="/tracing/base/sorted_array_utils.html"> | 9 <link rel="import" href="/tracing/base/math/sorted_array_utils.html"> |
| 10 <link rel="import" href="/tracing/base/unit_scale.html"> | 10 <link rel="import" href="/tracing/base/unit_scale.html"> |
| 11 <link rel="import" href="/tracing/model/event_container.html"> | 11 <link rel="import" href="/tracing/model/event_container.html"> |
| 12 <link rel="import" href="/tracing/model/resource_usage_sample.html"> | 12 <link rel="import" href="/tracing/model/resource_usage_sample.html"> |
| 13 | 13 |
| 14 <script> | 14 <script> |
| 15 'use strict'; | 15 'use strict'; |
| 16 | 16 |
| 17 tr.exportTo('tr.model', function() { | 17 tr.exportTo('tr.model', function() { |
| 18 var ResourceUsageSample = tr.model.ResourceUsageSample; | 18 var ResourceUsageSample = tr.model.ResourceUsageSample; |
| 19 | 19 |
| (...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 52 var sample = new ResourceUsageSample(this, ts, val); | 52 var sample = new ResourceUsageSample(this, ts, val); |
| 53 this.samples_.push(sample); | 53 this.samples_.push(sample); |
| 54 return sample; | 54 return sample; |
| 55 } | 55 } |
| 56 | 56 |
| 57 /** | 57 /** |
| 58 * Returns the total time consumed by a resource (e.g. CPU or GPU) between | 58 * Returns the total time consumed by a resource (e.g. CPU or GPU) between |
| 59 * the specified start and end timestamps (in milliseconds). | 59 * the specified start and end timestamps (in milliseconds). |
| 60 */ | 60 */ |
| 61 computeResourceTimeConsumedInMs(start, end) { | 61 computeResourceTimeConsumedInMs(start, end) { |
| 62 var measurementRange = tr.b.Range.fromExplicitRange(start, end); | 62 var measurementRange = tr.b.math.Range.fromExplicitRange(start, end); |
| 63 | 63 |
| 64 var resourceTimeInMs = 0; | 64 var resourceTimeInMs = 0; |
| 65 var startIndex = tr.b.findLowIndexInSortedArray( | 65 var startIndex = tr.b.math.findLowIndexInSortedArray( |
| 66 this.samples, x => x.start, start) - 1; | 66 this.samples, x => x.start, start) - 1; |
| 67 var endIndex = tr.b.findLowIndexInSortedArray( | 67 var endIndex = tr.b.math.findLowIndexInSortedArray( |
| 68 this.samples, x => x.start, end); | 68 this.samples, x => x.start, end); |
| 69 | 69 |
| 70 if (startIndex < 0) startIndex = 0; | 70 if (startIndex < 0) startIndex = 0; |
| 71 | 71 |
| 72 for (var i = startIndex; i < endIndex; i++) { | 72 for (var i = startIndex; i < endIndex; i++) { |
| 73 var sample = this.samples[i]; | 73 var sample = this.samples[i]; |
| 74 var nextSample = this.samples[i + 1]; | 74 var nextSample = this.samples[i + 1]; |
| 75 | 75 |
| 76 var sampleRange = new tr.b.Range(); | 76 var sampleRange = new tr.b.math.Range(); |
| 77 sampleRange.addValue(sample.start); | 77 sampleRange.addValue(sample.start); |
| 78 sampleRange.addValue(nextSample ? nextSample.start : sample.start); | 78 sampleRange.addValue(nextSample ? nextSample.start : sample.start); |
| 79 | 79 |
| 80 var intersectionRangeInMs = measurementRange.findIntersection( | 80 var intersectionRangeInMs = measurementRange.findIntersection( |
| 81 sampleRange); | 81 sampleRange); |
| 82 | 82 |
| 83 resourceTimeInMs += intersectionRangeInMs.duration * sample.usage; | 83 resourceTimeInMs += intersectionRangeInMs.duration * sample.usage; |
| 84 } | 84 } |
| 85 | 85 |
| 86 return resourceTimeInMs; | 86 return resourceTimeInMs; |
| 87 } | 87 } |
| 88 | 88 |
| 89 getSamplesWithinRange(start, end) { | 89 getSamplesWithinRange(start, end) { |
| 90 var startIndex = tr.b.findLowIndexInSortedArray( | 90 var startIndex = tr.b.math.findLowIndexInSortedArray( |
| 91 this.samples, x => x.start, start); | 91 this.samples, x => x.start, start); |
| 92 var endIndex = tr.b.findLowIndexInSortedArray( | 92 var endIndex = tr.b.math.findLowIndexInSortedArray( |
| 93 this.samples, x => x.start, end); | 93 this.samples, x => x.start, end); |
| 94 return this.samples.slice(startIndex, endIndex); | 94 return this.samples.slice(startIndex, endIndex); |
| 95 } | 95 } |
| 96 | 96 |
| 97 shiftTimestampsForward(amount) { | 97 shiftTimestampsForward(amount) { |
| 98 for (var i = 0; i < this.samples_.length; ++i) | 98 for (var i = 0; i < this.samples_.length; ++i) |
| 99 this.samples_[i].start += amount; | 99 this.samples_[i].start += amount; |
| 100 } | 100 } |
| 101 | 101 |
| 102 updateBounds() { | 102 updateBounds() { |
| 103 this.bounds.reset(); | 103 this.bounds.reset(); |
| 104 | 104 |
| 105 if (this.samples_.length === 0) return; | 105 if (this.samples_.length === 0) return; |
| 106 | 106 |
| 107 this.bounds.addValue(this.samples_[0].start); | 107 this.bounds.addValue(this.samples_[0].start); |
| 108 this.bounds.addValue(this.samples_[this.samples_.length - 1].start); | 108 this.bounds.addValue(this.samples_[this.samples_.length - 1].start); |
| 109 } | 109 } |
| 110 | 110 |
| 111 * childEvents() { | 111 * childEvents() { |
| 112 yield* this.samples_; | 112 yield* this.samples_; |
| 113 } | 113 } |
| 114 } | 114 } |
| 115 | 115 |
| 116 return { | 116 return { |
| 117 ResourceUsageSeries, | 117 ResourceUsageSeries, |
| 118 }; | 118 }; |
| 119 }); | 119 }); |
| 120 </script> | 120 </script> |
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Chromium Code Reviews
Issue 2771723003:
[tracing] Move math utilities from base into their own subdirectory (attempt 2) (Closed)
