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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="/perf_insights/mre/function_handle.html"> | 8 <link rel="import" href="/perf_insights/mre/function_handle.html"> |
| 9 <link rel="import" href="/tracing/base/range.html"> | 9 <link rel="import" href="/tracing/base/range.html"> |
| 10 <link rel="import" href="/tracing/value/numeric.html"> | 10 <link rel="import" href="/tracing/value/numeric.html"> |
| 11 <link rel="import" href="/tracing/value/unit.html"> | 11 <link rel="import" href="/tracing/value/unit.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_NUMERIC_BUILDER = tr.v.NumericBuilder.createLinear( | 17 var COUNT_NUMERIC_BUILDER = tr.v.NumericBuilder.createLinear( |
| 18 tr.v.Unit.byName.unitlessNumber, tr.b.Range.fromExplicitRange(0, 50000), | 18 tr.v.Unit.byName.unitlessNumber, tr.b.Range.fromExplicitRange(0, 50000), |
| 19 20); | 19 20); |
| 20 | 20 |
| 21 function traceStatsFunction(result, model) { | 21 function traceStatsFunction(result, model) { |
| 22 var canonicalUrl = model.canonicalUrl; | 22 var canonicalUrl = model.canonicalUrl; |
| 23 var eventCount = 0; | 23 var eventCount = 0; |
| 24 var firstTime = Number.MAX_VALUE; | 24 var firstTime = Number.MAX_VALUE; |
| 25 var lastTime = 0; | 25 var lastTime = 0; |
| 26 var categories = {}; | 26 var categories = {}; |
| 27 | 27 |
| 28 var seconds_counts = {}; | 28 var seconds_counts = {}; |
| 29 model.iterateAllEvents(function(event) { | 29 for (var event of model.getDescendantEvents()) { |
| 30 eventCount += 1; | 30 eventCount += 1; |
| 31 if (event.start < firstTime) | 31 if (event.start < firstTime) |
| 32 firstTime = event.start; | 32 firstTime = event.start; |
| 33 | 33 |
| 34 var eventEnd = event.start + event.duration; | 34 var eventEnd = event.start + event.duration; |
| 35 if (eventEnd > lastTime) | 35 if (eventEnd > lastTime) |
| 36 lastTime = eventEnd; | 36 lastTime = eventEnd; |
| 37 | 37 |
| 38 if (categories[event.category] === undefined) | 38 if (categories[event.category] === undefined) |
| 39 categories[event.category] = 0; | 39 categories[event.category] = 0; |
| 40 | 40 |
| 41 categories[event.category]++; | 41 categories[event.category]++; |
| 42 | 42 |
| 43 var second = Math.round(event.start / 1000); | 43 var second = Math.round(event.start / 1000); |
| 44 if (seconds_counts[second] === undefined) | 44 if (seconds_counts[second] === undefined) |
| 45 seconds_counts[second] = 0; | 45 seconds_counts[second] = 0; |
| 46 | 46 |
| 47 seconds_counts[second]++; | 47 seconds_counts[second]++; |
| 48 }); | 48 } |
| 49 | 49 |
| 50 var histogram = COUNT_NUMERIC_BUILDER.build(); | 50 var histogram = COUNT_NUMERIC_BUILDER.build(); |
| 51 | 51 |
| 52 for (var second in seconds_counts) | 52 for (var second in seconds_counts) |
| 53 histogram.add(seconds_counts[second]); | 53 histogram.add(seconds_counts[second]); |
| 54 | 54 |
| 55 var stats = { | 55 var stats = { |
| 56 totalEvents: eventCount, | 56 totalEvents: eventCount, |
| 57 firstTimeInMS: firstTime, | 57 firstTimeInMS: firstTime, |
| 58 lastTimeInMS: lastTime, | 58 lastTimeInMS: lastTime, |
| 59 durationInMS: lastTime - firstTime, | 59 durationInMS: lastTime - firstTime, |
| 60 eventsPerSecond: eventCount / (lastTime - firstTime) * 1000, | 60 eventsPerSecond: eventCount / (lastTime - firstTime) * 1000, |
| 61 categories: categories, | 61 categories: categories, |
| 62 events_seconds: histogram.asDict() | 62 events_seconds: histogram.asDict() |
| 63 }; | 63 }; |
| 64 | 64 |
| 65 result.addPair('stats', stats); | 65 result.addPair('stats', stats); |
| 66 } | 66 } |
| 67 | 67 |
| 68 pi.FunctionRegistry.register(traceStatsFunction); | 68 pi.FunctionRegistry.register(traceStatsFunction); |
| 69 | 69 |
| 70 //Exporting for tests. | 70 //Exporting for tests. |
| 71 return { | 71 return { |
| 72 traceStatsFunctionForTest: traceStatsFunction | 72 traceStatsFunctionForTest: traceStatsFunction |
| 73 }; | 73 }; |
| 74 }); | 74 }); |
| 75 </script> | 75 </script> |
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