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| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <!-- | 2 <!-- |
| 3 Copyright 2015 The Chromium Authors. All rights reserved. | 3 Copyright 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/unit.html"> | 9 <link rel="import" href="/tracing/base/unit.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.html"> | 11 <link rel="import" href="/tracing/value/histogram.html"> |
| 12 | 12 |
| 13 <script> | 13 <script> |
| 14 'use strict'; | 14 'use strict'; |
| 15 | 15 |
| 16 tr.exportTo('pi.m', function() { | 16 tr.exportTo('pi.m', function() { |
| 17 var COUNT_BOUNDARIES = tr.v.HistogramBinBoundaries.createLinear(0, 5e4, 20); | 17 var COUNT_BOUNDARIES = tr.v.HistogramBinBoundaries.createLinear(0, 5e4, 20); |
| 18 | 18 |
| 19 function traceStatsFunction(result, model) { | 19 function traceStatsFunction(result, model) { |
| 20 var canonicalUrl = model.canonicalUrl; | 20 var canonicalUrl = model.canonicalUrl; |
| 21 var eventCount = 0; | 21 var eventCount = 0; |
| 22 var firstTime = Number.MAX_VALUE; | 22 var firstTime = Number.MAX_VALUE; |
| 23 var lastTime = 0; | 23 var lastTime = 0; |
| 24 var categories = {}; | 24 var categories = {}; |
| 25 | 25 |
| 26 var seconds_counts = {}; | 26 var secondsCounts = {}; |
| 27 for (var event of model.getDescendantEvents()) { | 27 for (var event of model.getDescendantEvents()) { |
| 28 eventCount += 1; | 28 eventCount += 1; |
| 29 if (event.start < firstTime) | 29 if (event.start < firstTime) |
| 30 firstTime = event.start; | 30 firstTime = event.start; |
| 31 | 31 |
| 32 var eventEnd = event.start + event.duration; | 32 var eventEnd = event.start + event.duration; |
| 33 if (eventEnd > lastTime) | 33 if (eventEnd > lastTime) |
| 34 lastTime = eventEnd; | 34 lastTime = eventEnd; |
| 35 | 35 |
| 36 if (categories[event.category] === undefined) | 36 if (categories[event.category] === undefined) |
| 37 categories[event.category] = 0; | 37 categories[event.category] = 0; |
| 38 | 38 |
| 39 categories[event.category]++; | 39 categories[event.category]++; |
| 40 | 40 |
| 41 var second = Math.round(event.start / 1000); | 41 var second = Math.round(event.start / 1000); |
| 42 if (seconds_counts[second] === undefined) | 42 if (secondsCounts[second] === undefined) |
| 43 seconds_counts[second] = 0; | 43 secondsCounts[second] = 0; |
| 44 | 44 |
| 45 seconds_counts[second]++; | 45 secondsCounts[second]++; |
| 46 } | 46 } |
| 47 | 47 |
| 48 var histogram = new tr.v.Histogram( | 48 var histogram = new tr.v.Histogram( |
| 49 tr.b.Unit.byName.count, COUNT_BOUNDARIES); | 49 tr.b.Unit.byName.count, COUNT_BOUNDARIES); |
| 50 | 50 |
| 51 for (var second in seconds_counts) | 51 for (var second in secondsCounts) |
| 52 histogram.add(seconds_counts[second]); | 52 histogram.add(secondsCounts[second]); |
| 53 | 53 |
| 54 var stats = { | 54 var stats = { |
| 55 totalEvents: eventCount, | 55 totalEvents: eventCount, |
| 56 firstTimeInMS: firstTime, | 56 firstTimeInMS: firstTime, |
| 57 lastTimeInMS: lastTime, | 57 lastTimeInMS: lastTime, |
| 58 durationInMS: lastTime - firstTime, | 58 durationInMS: lastTime - firstTime, |
| 59 eventsPerSecond: eventCount / (lastTime - firstTime) * 1000, | 59 eventsPerSecond: eventCount / (lastTime - firstTime) * 1000, |
| 60 categories: categories, | 60 categories: categories, |
| 61 events_seconds: histogram.asDict() | 61 events_seconds: histogram.asDict() |
| 62 }; | 62 }; |
| 63 | 63 |
| 64 result.addPair('stats', stats); | 64 result.addPair('stats', stats); |
| 65 } | 65 } |
| 66 | 66 |
| 67 tr.mre.FunctionRegistry.register(traceStatsFunction); | 67 tr.mre.FunctionRegistry.register(traceStatsFunction); |
| 68 | 68 |
| 69 //Exporting for tests. | 69 // Exporting for tests. |
| 70 return { | 70 return { |
| 71 traceStatsFunctionForTest: traceStatsFunction | 71 traceStatsFunctionForTest: traceStatsFunction |
| 72 }; | 72 }; |
| 73 }); | 73 }); |
| 74 </script> | 74 </script> |
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Chromium Code Reviews
Issue 2771723003:
[tracing] Move math utilities from base into their own subdirectory (attempt 2) (Closed)
