Source/bindings/v8/ScriptProfiler.h - Issue 23690005: Allow configuring CPU profiler sampling interval

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Side by Side Diff: Source/bindings/v8/ScriptProfiler.h

Issue 23690005: Allow configuring CPU profiler sampling interval (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 3 months ago

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1 /*	1 /*

2 * Copyright (c) 2010, Google Inc. All rights reserved.	2 * Copyright (c) 2010, Google Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions are	5 * modification, are permitted provided that the following conditions are

6 * met:	6 * met:

7 *	7 *

8 * * Redistributions of source code must retain the above copyright	8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.	9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above	10 * * Redistributions in binary form must reproduce the above

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63	63

64 class OutputStream {	64 class OutputStream {

65 public:	65 public:

66 virtual ~OutputStream() { }	66 virtual ~OutputStream() { }

67 virtual void write(const uint32_t* chunk, const int size) = 0;	67 virtual void write(const uint32_t* chunk, const int size) = 0;

68 };	68 };

69	69

70 static void collectGarbage();	70 static void collectGarbage();

71 static ScriptObject objectByHeapObjectId(unsigned id);	71 static ScriptObject objectByHeapObjectId(unsigned id);

72 static unsigned getHeapObjectId(const ScriptValue&);	72 static unsigned getHeapObjectId(const ScriptValue&);

	73 static void setSamplingInterval(int intervalUs);

73 static void start(const String& title);	74 static void start(const String& title);

74 static PassRefPtr<ScriptProfile> stop(const String& title);	75 static PassRefPtr<ScriptProfile> stop(const String& title);

75 static PassRefPtr<ScriptHeapSnapshot> takeHeapSnapshot(const String& title, HeapSnapshotProgress*);	76 static PassRefPtr<ScriptHeapSnapshot> takeHeapSnapshot(const String& title, HeapSnapshotProgress*);

76 static void startTrackingHeapObjects();	77 static void startTrackingHeapObjects();

77 static void stopTrackingHeapObjects();	78 static void stopTrackingHeapObjects();

78 static unsigned requestHeapStatsUpdate(OutputStream*);	79 static unsigned requestHeapStatsUpdate(OutputStream*);

79 static void initialize();	80 static void initialize();

80 static void visitNodeWrappers(WrappedNodeVisitor*);	81 static void visitNodeWrappers(WrappedNodeVisitor*);

81 static HashMap<String, double>* currentProfileNameIdleTimeMap();	82 static HashMap<String, double>* currentProfileNameIdleTimeMap();

82 static void setIdle(bool isIdle);	83 static void setIdle(bool isIdle);

83 };	84 };

84	85

85 } // namespace WebCore	86 } // namespace WebCore

86	87

87 #endif // ScriptProfiler_h	88 #endif // ScriptProfiler_h

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