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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/metric_registry.html"> | 8 <link rel="import" href="/tracing/metrics/metric_registry.html"> |
| 9 <link rel="import" href="/tracing/model/helpers/chrome_model_helper.html"> | 9 <link rel="import" href="/tracing/model/helpers/chrome_model_helper.html"> |
| 10 <link rel="import" href="/tracing/model/helpers/chrome_renderer_helper.html"> | 10 <link rel="import" href="/tracing/model/helpers/chrome_renderer_helper.html"> |
| (...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 59 | 59 |
| 60 var processCpuTime = 0; | 60 var processCpuTime = 0; |
| 61 for (var tid in process.threads) { | 61 for (var tid in process.threads) { |
| 62 var thread = process.threads[tid]; | 62 var thread = process.threads[tid]; |
| 63 var threadCpuTime = 0; | 63 var threadCpuTime = 0; |
| 64 thread.sliceGroup.topLevelSlices.forEach(function(slice) { | 64 thread.sliceGroup.topLevelSlices.forEach(function(slice) { |
| 65 if (slice.duration === 0) | 65 if (slice.duration === 0) |
| 66 return; | 66 return; |
| 67 if (!slice.cpuDuration) | 67 if (!slice.cpuDuration) |
| 68 return; | 68 return; |
| 69 var sliceRange = tr.b.Range.fromExplicitRange(slice.start, slice.end); | 69 var sliceRange = tr.b.math.Range.fromExplicitRange( |
| 70 slice.start, slice.end); |
| 70 var intersection = rangeOfInterest.findIntersection(sliceRange); | 71 var intersection = rangeOfInterest.findIntersection(sliceRange); |
| 71 var fractionOfSliceInsideRangeOfInterest = | 72 var fractionOfSliceInsideRangeOfInterest = |
| 72 intersection.duration / slice.duration; | 73 intersection.duration / slice.duration; |
| 73 | 74 |
| 74 // We assume that if a slice doesn't lie entirely inside the range of | 75 // We assume that if a slice doesn't lie entirely inside the range of |
| 75 // interest, then the CPU time is evenly distributed inside of the | 76 // interest, then the CPU time is evenly distributed inside of the |
| 76 // slice. | 77 // slice. |
| 77 threadCpuTime += | 78 threadCpuTime += |
| 78 slice.cpuDuration * fractionOfSliceInsideRangeOfInterest; | 79 slice.cpuDuration * fractionOfSliceInsideRangeOfInterest; |
| 79 }); | 80 }); |
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| 109 | 110 |
| 110 tr.metrics.MetricRegistry.register(cpuTimeMetric, { | 111 tr.metrics.MetricRegistry.register(cpuTimeMetric, { |
| 111 supportsRangeOfInterest: true | 112 supportsRangeOfInterest: true |
| 112 }); | 113 }); |
| 113 | 114 |
| 114 return { | 115 return { |
| 115 cpuTimeMetric, | 116 cpuTimeMetric, |
| 116 }; | 117 }; |
| 117 }); | 118 }); |
| 118 </script> | 119 </script> |
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Chromium Code Reviews
Issue 2771723003:
[tracing] Move math utilities from base into their own subdirectory (attempt 2) (Closed)
