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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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