Source/bindings/v8/ScriptProfiler.h - Issue 14373016: DevTools: [HeapProfiler] Provide API for heap objects tracking info.

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Issue 14373016: DevTools: [HeapProfiler] Provide API for heap objects tracking info. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: description was slightly changed Created 7 years, 8 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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54 public:	54 public:

55 class HeapSnapshotProgress {	55 class HeapSnapshotProgress {

56 public:	56 public:

57 virtual ~HeapSnapshotProgress() { }	57 virtual ~HeapSnapshotProgress() { }

58 virtual void Start(int totalWork) = 0;	58 virtual void Start(int totalWork) = 0;

59 virtual void Worked(int workDone) = 0;	59 virtual void Worked(int workDone) = 0;

60 virtual void Done() = 0;	60 virtual void Done() = 0;

61 virtual bool isCanceled() = 0;	61 virtual bool isCanceled() = 0;

62 };	62 };

63	63

	64 class OutputStream {

	65 public:

	66 virtual ~OutputStream() { }

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

	68 };

	69

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

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

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

67 static void start(ScriptState* state, const String& title);	73 static void start(ScriptState* state, const String& title);

68 static void startForPage(Page*, const String& title);	74 static void startForPage(Page*, const String& title);

69 static void startForWorkerContext(WorkerContext*, const String& title);	75 static void startForWorkerContext(WorkerContext*, const String& title);

70 static PassRefPtr<ScriptProfile> stop(ScriptState* state, const String& titl e);	76 static PassRefPtr<ScriptProfile> stop(ScriptState* state, const String& titl e);

71 static PassRefPtr<ScriptProfile> stopForPage(Page*, const String& title);	77 static PassRefPtr<ScriptProfile> stopForPage(Page*, const String& title);

72 static PassRefPtr<ScriptProfile> stopForWorkerContext(WorkerContext*, const String& title);	78 static PassRefPtr<ScriptProfile> stopForWorkerContext(WorkerContext*, const String& title);

73 static PassRefPtr<ScriptHeapSnapshot> takeHeapSnapshot(const String& title, HeapSnapshotProgress*);	79 static PassRefPtr<ScriptHeapSnapshot> takeHeapSnapshot(const String& title, HeapSnapshotProgress*);

	80 static void startTrackingHeapObjects();

	81 static void stopTrackingHeapObjects();

	82 static unsigned requestHeapStatsUpdate(OutputStream*);

74 static void initialize();	83 static void initialize();

75 static void visitNodeWrappers(WrappedNodeVisitor*);	84 static void visitNodeWrappers(WrappedNodeVisitor*);

76 static void visitExternalStrings(ExternalStringVisitor*);	85 static void visitExternalStrings(ExternalStringVisitor*);

77 static void visitExternalArrays(ExternalArrayVisitor*);	86 static void visitExternalArrays(ExternalArrayVisitor*);

78 static void collectBindingMemoryInfo(MemoryInstrumentation*);	87 static void collectBindingMemoryInfo(MemoryInstrumentation*);

79 static size_t profilerSnapshotsSize();	88 static size_t profilerSnapshotsSize();

80 static HashMap<String, double>* currentProfileNameIdleTimeMap();	89 static HashMap<String, double>* currentProfileNameIdleTimeMap();

81 };	90 };

82	91

83 } // namespace WebCore	92 } // namespace WebCore

84	93

85 #endif // ScriptProfiler_h	94 #endif // ScriptProfiler_h

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