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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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31 #include "zone-inl.h" | 31 #include "zone-inl.h" |
32 | 32 |
33 namespace v8 { | 33 namespace v8 { |
34 namespace internal { | 34 namespace internal { |
35 | 35 |
36 #ifdef ENABLE_LOGGING_AND_PROFILING | 36 #ifdef ENABLE_LOGGING_AND_PROFILING |
37 | 37 |
38 class HeapSnapshot; | 38 class HeapSnapshot; |
39 class HeapSnapshotsCollection; | 39 class HeapSnapshotsCollection; |
40 | 40 |
41 #endif | 41 #define HEAP_PROFILE(Call) \ |
| 42 do { \ |
| 43 if (v8::internal::HeapProfiler::is_profiling()) { \ |
| 44 v8::internal::HeapProfiler::Call; \ |
| 45 } \ |
| 46 } while (false) |
| 47 #else |
| 48 #define HEAP_PROFILE(Call) ((void) 0) |
| 49 #endif // ENABLE_LOGGING_AND_PROFILING |
42 | 50 |
43 // 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 |
44 // 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. |
45 class HeapProfiler { | 53 class HeapProfiler { |
46 public: | 54 public: |
47 static void Setup(); | 55 static void Setup(); |
48 static void TearDown(); | 56 static void TearDown(); |
49 | 57 |
50 #ifdef ENABLE_LOGGING_AND_PROFILING | 58 #ifdef ENABLE_LOGGING_AND_PROFILING |
51 static HeapSnapshot* TakeSnapshot(const char* name); | 59 static HeapSnapshot* TakeSnapshot(const char* name); |
52 static HeapSnapshot* TakeSnapshot(String* name); | 60 static HeapSnapshot* TakeSnapshot(String* name); |
53 static int GetSnapshotsCount(); | 61 static int GetSnapshotsCount(); |
54 static HeapSnapshot* GetSnapshot(int index); | 62 static HeapSnapshot* GetSnapshot(int index); |
55 static HeapSnapshot* FindSnapshot(unsigned uid); | 63 static HeapSnapshot* FindSnapshot(unsigned uid); |
56 | 64 |
| 65 static void ObjectMoveEvent(Address from, Address to); |
| 66 |
| 67 static INLINE(bool is_profiling()) { |
| 68 return singleton_ != NULL && singleton_->snapshots_->is_tracking_objects(); |
| 69 } |
| 70 |
57 // Obsolete interface. | 71 // Obsolete interface. |
58 // Write a single heap sample to the log file. | 72 // Write a single heap sample to the log file. |
59 static void WriteSample(); | 73 static void WriteSample(); |
60 | 74 |
61 private: | 75 private: |
62 HeapProfiler(); | 76 HeapProfiler(); |
63 ~HeapProfiler(); | 77 ~HeapProfiler(); |
64 HeapSnapshot* TakeSnapshotImpl(const char* name); | 78 HeapSnapshot* TakeSnapshotImpl(const char* name); |
65 HeapSnapshot* TakeSnapshotImpl(String* name); | 79 HeapSnapshot* TakeSnapshotImpl(String* name); |
66 | 80 |
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300 private: | 314 private: |
301 static void DoRecordJSObjectAllocation(Object* obj); | 315 static void DoRecordJSObjectAllocation(Object* obj); |
302 static bool can_log_; | 316 static bool can_log_; |
303 }; | 317 }; |
304 | 318 |
305 #endif // ENABLE_LOGGING_AND_PROFILING | 319 #endif // ENABLE_LOGGING_AND_PROFILING |
306 | 320 |
307 } } // namespace v8::internal | 321 } } // namespace v8::internal |
308 | 322 |
309 #endif // V8_HEAP_PROFILER_H_ | 323 #endif // V8_HEAP_PROFILER_H_ |
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