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Issue 2771723003: [tracing] Move math utilities from base into their own subdirectory (attempt 2) (Closed)
Patch Set: rebase Created 3 years, 9 months ago
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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/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/power_sample.html"> 12 <link rel="import" href="/tracing/model/power_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 PowerSample = tr.model.PowerSample; 18 var PowerSample = tr.model.PowerSample;
19 19
(...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after
54 var sample = new PowerSample(this, ts, val); 54 var sample = new PowerSample(this, ts, val);
55 this.samples_.push(sample); 55 this.samples_.push(sample);
56 return sample; 56 return sample;
57 }, 57 },
58 58
59 /** 59 /**
60 * Returns the total energy (in Joules) consumed between the specified 60 * Returns the total energy (in Joules) consumed between the specified
61 * start and end timestamps (in milliseconds). 61 * start and end timestamps (in milliseconds).
62 */ 62 */
63 getEnergyConsumedInJ: function(start, end) { 63 getEnergyConsumedInJ: function(start, end) {
64 var measurementRange = tr.b.Range.fromExplicitRange(start, end); 64 var measurementRange = tr.b.math.Range.fromExplicitRange(start, end);
65 65
66 var energyConsumedInJ = 0; 66 var energyConsumedInJ = 0;
67 var startIndex = tr.b.findLowIndexInSortedArray( 67 var startIndex = tr.b.math.findLowIndexInSortedArray(
68 this.samples, x => x.start, start) - 1; 68 this.samples, x => x.start, start) - 1;
69 var endIndex = tr.b.findLowIndexInSortedArray( 69 var endIndex = tr.b.math.findLowIndexInSortedArray(
70 this.samples, x => x.start, end); 70 this.samples, x => x.start, end);
71 71
72 if (startIndex < 0) 72 if (startIndex < 0)
73 startIndex = 0; 73 startIndex = 0;
74 74
75 for (var i = startIndex; i < endIndex; i++) { 75 for (var i = startIndex; i < endIndex; i++) {
76 var sample = this.samples[i]; 76 var sample = this.samples[i];
77 var nextSample = this.samples[i + 1]; 77 var nextSample = this.samples[i + 1];
78 78
79 var sampleRange = new tr.b.Range(); 79 var sampleRange = new tr.b.math.Range();
80 sampleRange.addValue(sample.start); 80 sampleRange.addValue(sample.start);
81 sampleRange.addValue(nextSample ? nextSample.start : sample.start); 81 sampleRange.addValue(nextSample ? nextSample.start : sample.start);
82 82
83 var intersectionRangeInMs = measurementRange.findIntersection( 83 var intersectionRangeInMs = measurementRange.findIntersection(
84 sampleRange); 84 sampleRange);
85 85
86 var durationInS = tr.b.convertUnit(intersectionRangeInMs.duration, 86 var durationInS = tr.b.convertUnit(intersectionRangeInMs.duration,
87 tr.b.UnitPrefixScale.METRIC.MILLI, 87 tr.b.UnitPrefixScale.METRIC.MILLI,
88 tr.b.UnitPrefixScale.METRIC.NONE); 88 tr.b.UnitPrefixScale.METRIC.NONE);
89 89
90 energyConsumedInJ += durationInS * sample.powerInW; 90 energyConsumedInJ += durationInS * sample.powerInW;
91 } 91 }
92 92
93 return energyConsumedInJ; 93 return energyConsumedInJ;
94 }, 94 },
95 95
96 getSamplesWithinRange: function(start, end) { 96 getSamplesWithinRange: function(start, end) {
97 var startIndex = tr.b.findLowIndexInSortedArray( 97 var startIndex = tr.b.math.findLowIndexInSortedArray(
98 this.samples, x => x.start, start); 98 this.samples, x => x.start, start);
99 var endIndex = tr.b.findLowIndexInSortedArray( 99 var endIndex = tr.b.math.findLowIndexInSortedArray(
100 this.samples, x => x.start, end); 100 this.samples, x => x.start, end);
101 return this.samples.slice(startIndex, endIndex); 101 return this.samples.slice(startIndex, endIndex);
102 }, 102 },
103 103
104 shiftTimestampsForward: function(amount) { 104 shiftTimestampsForward: function(amount) {
105 for (var i = 0; i < this.samples_.length; ++i) 105 for (var i = 0; i < this.samples_.length; ++i)
106 this.samples_[i].start += amount; 106 this.samples_[i].start += amount;
107 }, 107 },
108 108
109 updateBounds: function() { 109 updateBounds: function() {
110 this.bounds.reset(); 110 this.bounds.reset();
111 111
112 if (this.samples_.length === 0) 112 if (this.samples_.length === 0)
113 return; 113 return;
114 114
115 this.bounds.addValue(this.samples_[0].start); 115 this.bounds.addValue(this.samples_[0].start);
116 this.bounds.addValue(this.samples_[this.samples_.length - 1].start); 116 this.bounds.addValue(this.samples_[this.samples_.length - 1].start);
117 }, 117 },
118 118
119 childEvents: function* () { 119 childEvents: function* () {
120 yield* this.samples_; 120 yield* this.samples_;
121 }, 121 },
122 }; 122 };
123 123
124 return { 124 return {
125 PowerSeries, 125 PowerSeries,
126 }; 126 };
127 }); 127 });
128 </script> 128 </script>
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