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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 | 5 |
6 WebInspector.TimelineJSProfileProcessor = { }; | 6 WebInspector.TimelineJSProfileProcessor = { }; |
7 | 7 |
8 /** | 8 /** |
9 * @param {!ProfilerAgent.CPUProfile} jsProfile | 9 * @param {!ProfilerAgent.CPUProfile} jsProfile |
10 * @param {!WebInspector.TracingModel.Thread} thread | 10 * @param {!WebInspector.TracingModel.Thread} thread |
(...skipping 14 matching lines...) Expand all Loading... |
25 var node = jsProfileModel.nodeByIndex(i); | 25 var node = jsProfileModel.nodeByIndex(i); |
26 if (node === programNode || node === gcNode || node === idleNode) | 26 if (node === programNode || node === gcNode || node === idleNode) |
27 continue; | 27 continue; |
28 var stackTrace = node._stackTraceArray; | 28 var stackTrace = node._stackTraceArray; |
29 if (!stackTrace) { | 29 if (!stackTrace) { |
30 stackTrace = /** @type {!ConsoleAgent.StackTrace} */ (new Array(node
.depth + 1)); | 30 stackTrace = /** @type {!ConsoleAgent.StackTrace} */ (new Array(node
.depth + 1)); |
31 node._stackTraceArray = stackTrace; | 31 node._stackTraceArray = stackTrace; |
32 for (var j = 0; node.parent; node = node.parent) | 32 for (var j = 0; node.parent; node = node.parent) |
33 stackTrace[j++] = /** @type {!ConsoleAgent.CallFrame} */ (node); | 33 stackTrace[j++] = /** @type {!ConsoleAgent.CallFrame} */ (node); |
34 } | 34 } |
35 var jsEvent = new WebInspector.TracingModel.Event(WebInspector.TracingMo
del.DevToolsMetadataEventCategory, WebInspector.TracingTimelineModel.RecordType.
JSSample, | 35 var jsEvent = new WebInspector.TracingModel.Event(WebInspector.TracingMo
del.DevToolsMetadataEventCategory, WebInspector.TimelineModel.RecordType.JSSampl
e, |
36 WebInspector.TracingModel.Phase.Instant, timestamps[i], thread); | 36 WebInspector.TracingModel.Phase.Instant, timestamps[i], thread); |
37 jsEvent.stackTrace = stackTrace; | 37 jsEvent.stackTrace = stackTrace; |
38 jsEvents.push(jsEvent); | 38 jsEvents.push(jsEvent); |
39 } | 39 } |
40 return jsEvents; | 40 return jsEvents; |
41 } | 41 } |
42 | 42 |
43 /** | 43 /** |
44 * @param {!Array.<!WebInspector.TracingModel.Event>} events | 44 * @param {!Array.<!WebInspector.TracingModel.Event>} events |
45 * @return {!Array.<!WebInspector.TracingModel.Event>} | 45 * @return {!Array.<!WebInspector.TracingModel.Event>} |
46 */ | 46 */ |
47 WebInspector.TimelineJSProfileProcessor.generateJSFrameEvents = function(events) | 47 WebInspector.TimelineJSProfileProcessor.generateJSFrameEvents = function(events) |
48 { | 48 { |
49 function equalFrames(frame1, frame2) | 49 function equalFrames(frame1, frame2) |
50 { | 50 { |
51 return frame1.scriptId === frame2.scriptId && frame1.functionName === fr
ame2.functionName; | 51 return frame1.scriptId === frame2.scriptId && frame1.functionName === fr
ame2.functionName; |
52 } | 52 } |
53 | 53 |
54 function eventEndTime(e) | 54 function eventEndTime(e) |
55 { | 55 { |
56 return e.endTime || e.startTime; | 56 return e.endTime || e.startTime; |
57 } | 57 } |
58 | 58 |
59 function isJSInvocationEvent(e) | 59 function isJSInvocationEvent(e) |
60 { | 60 { |
61 switch (e.name) { | 61 switch (e.name) { |
62 case WebInspector.TracingTimelineModel.RecordType.FunctionCall: | 62 case WebInspector.TimelineModel.RecordType.FunctionCall: |
63 case WebInspector.TracingTimelineModel.RecordType.EvaluateScript: | 63 case WebInspector.TimelineModel.RecordType.EvaluateScript: |
64 return true; | 64 return true; |
65 } | 65 } |
66 return false; | 66 return false; |
67 } | 67 } |
68 | 68 |
69 var jsFrameEvents = []; | 69 var jsFrameEvents = []; |
70 var jsFramesStack = []; | 70 var jsFramesStack = []; |
71 var coalesceThresholdMs = WebInspector.TimelineFlameChartDataProvider.JSFram
eCoalesceThresholdMs; | 71 var coalesceThresholdMs = WebInspector.TimelineFlameChartDataProvider.JSFram
eCoalesceThresholdMs; |
72 | 72 |
73 function onStartEvent(e) | 73 function onStartEvent(e) |
74 { | 74 { |
75 extractStackTrace(e); | 75 extractStackTrace(e); |
76 } | 76 } |
77 | 77 |
78 function onInstantEvent(e, top) | 78 function onInstantEvent(e, top) |
79 { | 79 { |
80 if (e.name === WebInspector.TracingTimelineModel.RecordType.JSSample &&
top && !isJSInvocationEvent(top)) | 80 if (e.name === WebInspector.TimelineModel.RecordType.JSSample && top &&
!isJSInvocationEvent(top)) |
81 return; | 81 return; |
82 extractStackTrace(e); | 82 extractStackTrace(e); |
83 } | 83 } |
84 | 84 |
85 function onEndEvent(e) | 85 function onEndEvent(e) |
86 { | 86 { |
87 if (isJSInvocationEvent(e)) | 87 if (isJSInvocationEvent(e)) |
88 jsFramesStack.length = 0; | 88 jsFramesStack.length = 0; |
89 } | 89 } |
90 | 90 |
(...skipping 10 matching lines...) Expand all Loading... |
101 for (j = 0; j < minFrames; ++j) { | 101 for (j = 0; j < minFrames; ++j) { |
102 var newFrame = e.stackTrace[numFrames - 1 - j]; | 102 var newFrame = e.stackTrace[numFrames - 1 - j]; |
103 var oldFrame = jsFramesStack[j].args["data"]; | 103 var oldFrame = jsFramesStack[j].args["data"]; |
104 if (!equalFrames(newFrame, oldFrame)) | 104 if (!equalFrames(newFrame, oldFrame)) |
105 break; | 105 break; |
106 jsFramesStack[j].setEndTime(Math.max(jsFramesStack[j].endTime, endTi
me)); | 106 jsFramesStack[j].setEndTime(Math.max(jsFramesStack[j].endTime, endTi
me)); |
107 } | 107 } |
108 jsFramesStack.length = j; | 108 jsFramesStack.length = j; |
109 for (; j < numFrames; ++j) { | 109 for (; j < numFrames; ++j) { |
110 var frame = e.stackTrace[numFrames - 1 - j]; | 110 var frame = e.stackTrace[numFrames - 1 - j]; |
111 var jsFrameEvent = new WebInspector.TracingModel.Event(WebInspector.
TracingModel.DevToolsMetadataEventCategory, WebInspector.TracingTimelineModel.Re
cordType.JSFrame, | 111 var jsFrameEvent = new WebInspector.TracingModel.Event(WebInspector.
TracingModel.DevToolsMetadataEventCategory, WebInspector.TimelineModel.RecordTyp
e.JSFrame, |
112 WebInspector.TracingModel.Phase.Complete, e.startTime, e.thread)
; | 112 WebInspector.TracingModel.Phase.Complete, e.startTime, e.thread)
; |
113 jsFrameEvent.addArgs({ data: frame }); | 113 jsFrameEvent.addArgs({ data: frame }); |
114 jsFrameEvent.setEndTime(endTime); | 114 jsFrameEvent.setEndTime(endTime); |
115 jsFramesStack.push(jsFrameEvent); | 115 jsFramesStack.push(jsFrameEvent); |
116 jsFrameEvents.push(jsFrameEvent); | 116 jsFrameEvents.push(jsFrameEvent); |
117 } | 117 } |
118 } | 118 } |
119 | 119 |
120 var stack = []; | 120 var stack = []; |
121 for (var i = 0; i < events.length; ++i) { | 121 for (var i = 0; i < events.length; ++i) { |
122 var e = events[i]; | 122 var e = events[i]; |
123 var top = stack.peekLast(); | 123 var top = stack.peekLast(); |
124 if (top && top.endTime <= e.startTime) | 124 if (top && top.endTime <= e.startTime) |
125 onEndEvent(stack.pop()); | 125 onEndEvent(stack.pop()); |
126 if (e.duration) { | 126 if (e.duration) { |
127 onStartEvent(e); | 127 onStartEvent(e); |
128 stack.push(e); | 128 stack.push(e); |
129 } else { | 129 } else { |
130 onInstantEvent(e, stack.peekLast()); | 130 onInstantEvent(e, stack.peekLast()); |
131 } | 131 } |
132 } | 132 } |
133 while (stack.length) | 133 while (stack.length) |
134 onEndEvent(stack.pop()); | 134 onEndEvent(stack.pop()); |
135 | 135 |
136 return jsFrameEvents; | 136 return jsFrameEvents; |
137 } | 137 } |
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