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Side by Side Diff: src/heap-profiler.h

Issue 5862002: Version 3.0.2. (Closed)
Patch Set: Created 10 years ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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49 #endif // ENABLE_LOGGING_AND_PROFILING 49 #endif // ENABLE_LOGGING_AND_PROFILING
50 50
51 // The HeapProfiler writes data to the log files, which can be postprocessed 51 // The HeapProfiler writes data to the log files, which can be postprocessed
52 // to generate .hp files for use by the GHC/Valgrind tool hp2ps. 52 // to generate .hp files for use by the GHC/Valgrind tool hp2ps.
53 class HeapProfiler { 53 class HeapProfiler {
54 public: 54 public:
55 static void Setup(); 55 static void Setup();
56 static void TearDown(); 56 static void TearDown();
57 57
58 #ifdef ENABLE_LOGGING_AND_PROFILING 58 #ifdef ENABLE_LOGGING_AND_PROFILING
59 static HeapSnapshot* TakeSnapshot(const char* name, 59 static HeapSnapshot* TakeSnapshot(const char* name, int type);
60 int type, 60 static HeapSnapshot* TakeSnapshot(String* name, int type);
61 v8::ActivityControl* control);
62 static HeapSnapshot* TakeSnapshot(String* name,
63 int type,
64 v8::ActivityControl* control);
65 static int GetSnapshotsCount(); 61 static int GetSnapshotsCount();
66 static HeapSnapshot* GetSnapshot(int index); 62 static HeapSnapshot* GetSnapshot(int index);
67 static HeapSnapshot* FindSnapshot(unsigned uid); 63 static HeapSnapshot* FindSnapshot(unsigned uid);
68 64
69 static void ObjectMoveEvent(Address from, Address to); 65 static void ObjectMoveEvent(Address from, Address to);
70 66
71 static INLINE(bool is_profiling()) { 67 static INLINE(bool is_profiling()) {
72 return singleton_ != NULL && singleton_->snapshots_->is_tracking_objects(); 68 return singleton_ != NULL && singleton_->snapshots_->is_tracking_objects();
73 } 69 }
74 70
75 // Obsolete interface. 71 // Obsolete interface.
76 // Write a single heap sample to the log file. 72 // Write a single heap sample to the log file.
77 static void WriteSample(); 73 static void WriteSample();
78 74
79 private: 75 private:
80 HeapProfiler(); 76 HeapProfiler();
81 ~HeapProfiler(); 77 ~HeapProfiler();
82 HeapSnapshot* TakeSnapshotImpl(const char* name, 78 HeapSnapshot* TakeSnapshotImpl(const char* name, int type);
83 int type, 79 HeapSnapshot* TakeSnapshotImpl(String* name, int type);
84 v8::ActivityControl* control);
85 HeapSnapshot* TakeSnapshotImpl(String* name,
86 int type,
87 v8::ActivityControl* control);
88 80
89 HeapSnapshotsCollection* snapshots_; 81 HeapSnapshotsCollection* snapshots_;
90 unsigned next_snapshot_uid_; 82 unsigned next_snapshot_uid_;
91 83
92 static HeapProfiler* singleton_; 84 static HeapProfiler* singleton_;
93 #endif // ENABLE_LOGGING_AND_PROFILING 85 #endif // ENABLE_LOGGING_AND_PROFILING
94 }; 86 };
95 87
96 88
97 #ifdef ENABLE_LOGGING_AND_PROFILING 89 #ifdef ENABLE_LOGGING_AND_PROFILING
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370 private: 362 private:
371 static void DoRecordJSObjectAllocation(Object* obj); 363 static void DoRecordJSObjectAllocation(Object* obj);
372 static bool can_log_; 364 static bool can_log_;
373 }; 365 };
374 366
375 #endif // ENABLE_LOGGING_AND_PROFILING 367 #endif // ENABLE_LOGGING_AND_PROFILING
376 368
377 } } // namespace v8::internal 369 } } // namespace v8::internal
378 370
379 #endif // V8_HEAP_PROFILER_H_ 371 #endif // V8_HEAP_PROFILER_H_
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