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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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293 double actual_sampling_rate); | 293 double actual_sampling_rate); |
294 List<CpuProfile*>* Profiles(int security_token_id); | 294 List<CpuProfile*>* Profiles(int security_token_id); |
295 const char* GetName(String* name) { | 295 const char* GetName(String* name) { |
296 return function_and_resource_names_.GetName(name); | 296 return function_and_resource_names_.GetName(name); |
297 } | 297 } |
298 const char* GetName(int args_count) { | 298 const char* GetName(int args_count) { |
299 return function_and_resource_names_.GetName(args_count); | 299 return function_and_resource_names_.GetName(args_count); |
300 } | 300 } |
301 CpuProfile* GetProfile(int security_token_id, unsigned uid); | 301 CpuProfile* GetProfile(int security_token_id, unsigned uid); |
302 bool IsLastProfile(const char* title); | 302 bool IsLastProfile(const char* title); |
| 303 void RemoveProfile(CpuProfile* profile); |
| 304 bool HasDetachedProfiles() { return detached_profiles_.length() > 0; } |
303 | 305 |
304 CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag, | 306 CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag, |
305 String* name, String* resource_name, int line_number); | 307 String* name, String* resource_name, int line_number); |
306 CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag, const char* name); | 308 CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag, const char* name); |
307 CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag, | 309 CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag, |
308 const char* name_prefix, String* name); | 310 const char* name_prefix, String* name); |
309 CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag, int args_count); | 311 CodeEntry* NewCodeEntry(Logger::LogEventsAndTags tag, int args_count); |
310 CodeEntry* NewCodeEntry(int security_token_id); | 312 CodeEntry* NewCodeEntry(int security_token_id); |
311 | 313 |
312 // Called from profile generator thread. | 314 // Called from profile generator thread. |
313 void AddPathToCurrentProfiles(const Vector<CodeEntry*>& path); | 315 void AddPathToCurrentProfiles(const Vector<CodeEntry*>& path); |
314 | 316 |
315 // Limits the number of profiles that can be simultaneously collected. | 317 // Limits the number of profiles that can be simultaneously collected. |
316 static const int kMaxSimultaneousProfiles = 100; | 318 static const int kMaxSimultaneousProfiles = 100; |
317 | 319 |
318 private: | 320 private: |
319 const char* GetFunctionName(String* name) { | 321 const char* GetFunctionName(String* name) { |
320 return function_and_resource_names_.GetFunctionName(name); | 322 return function_and_resource_names_.GetFunctionName(name); |
321 } | 323 } |
322 const char* GetFunctionName(const char* name) { | 324 const char* GetFunctionName(const char* name) { |
323 return function_and_resource_names_.GetFunctionName(name); | 325 return function_and_resource_names_.GetFunctionName(name); |
324 } | 326 } |
| 327 int GetProfileIndex(unsigned uid); |
325 List<CpuProfile*>* GetProfilesList(int security_token_id); | 328 List<CpuProfile*>* GetProfilesList(int security_token_id); |
326 int TokenToIndex(int security_token_id); | 329 int TokenToIndex(int security_token_id); |
327 | 330 |
328 INLINE(static bool UidsMatch(void* key1, void* key2)) { | 331 INLINE(static bool UidsMatch(void* key1, void* key2)) { |
329 return key1 == key2; | 332 return key1 == key2; |
330 } | 333 } |
331 | 334 |
332 StringsStorage function_and_resource_names_; | 335 StringsStorage function_and_resource_names_; |
333 List<CodeEntry*> code_entries_; | 336 List<CodeEntry*> code_entries_; |
334 List<List<CpuProfile*>* > profiles_by_token_; | 337 List<List<CpuProfile*>* > profiles_by_token_; |
335 // Mapping from profiles' uids to indexes in the second nested list | 338 // Mapping from profiles' uids to indexes in the second nested list |
336 // of profiles_by_token_. | 339 // of profiles_by_token_. |
337 HashMap profiles_uids_; | 340 HashMap profiles_uids_; |
| 341 List<CpuProfile*> detached_profiles_; |
338 | 342 |
339 // Accessed by VM thread and profile generator thread. | 343 // Accessed by VM thread and profile generator thread. |
340 List<CpuProfile*> current_profiles_; | 344 List<CpuProfile*> current_profiles_; |
341 Semaphore* current_profiles_semaphore_; | 345 Semaphore* current_profiles_semaphore_; |
342 | 346 |
343 DISALLOW_COPY_AND_ASSIGN(CpuProfilesCollection); | 347 DISALLOW_COPY_AND_ASSIGN(CpuProfilesCollection); |
344 }; | 348 }; |
345 | 349 |
346 | 350 |
347 class SampleRateCalculator { | 351 class SampleRateCalculator { |
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666 enum Type { | 670 enum Type { |
667 kFull = v8::HeapSnapshot::kFull, | 671 kFull = v8::HeapSnapshot::kFull, |
668 kAggregated = v8::HeapSnapshot::kAggregated | 672 kAggregated = v8::HeapSnapshot::kAggregated |
669 }; | 673 }; |
670 | 674 |
671 HeapSnapshot(HeapSnapshotsCollection* collection, | 675 HeapSnapshot(HeapSnapshotsCollection* collection, |
672 Type type, | 676 Type type, |
673 const char* title, | 677 const char* title, |
674 unsigned uid); | 678 unsigned uid); |
675 ~HeapSnapshot(); | 679 ~HeapSnapshot(); |
| 680 void Delete(); |
676 | 681 |
677 HeapSnapshotsCollection* collection() { return collection_; } | 682 HeapSnapshotsCollection* collection() { return collection_; } |
678 Type type() { return type_; } | 683 Type type() { return type_; } |
679 const char* title() { return title_; } | 684 const char* title() { return title_; } |
680 unsigned uid() { return uid_; } | 685 unsigned uid() { return uid_; } |
681 HeapEntry* root() { return root_entry_; } | 686 HeapEntry* root() { return root_entry_; } |
682 HeapEntry* gc_roots() { return gc_roots_entry_; } | 687 HeapEntry* gc_roots() { return gc_roots_entry_; } |
683 HeapEntry* natives_root() { return natives_root_entry_; } | 688 HeapEntry* natives_root() { return natives_root_entry_; } |
684 List<HeapEntry*>* entries() { return &entries_; } | 689 List<HeapEntry*>* entries() { return &entries_; } |
685 | 690 |
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833 HeapSnapshotsCollection(); | 838 HeapSnapshotsCollection(); |
834 ~HeapSnapshotsCollection(); | 839 ~HeapSnapshotsCollection(); |
835 | 840 |
836 bool is_tracking_objects() { return is_tracking_objects_; } | 841 bool is_tracking_objects() { return is_tracking_objects_; } |
837 | 842 |
838 HeapSnapshot* NewSnapshot( | 843 HeapSnapshot* NewSnapshot( |
839 HeapSnapshot::Type type, const char* name, unsigned uid); | 844 HeapSnapshot::Type type, const char* name, unsigned uid); |
840 void SnapshotGenerationFinished(HeapSnapshot* snapshot); | 845 void SnapshotGenerationFinished(HeapSnapshot* snapshot); |
841 List<HeapSnapshot*>* snapshots() { return &snapshots_; } | 846 List<HeapSnapshot*>* snapshots() { return &snapshots_; } |
842 HeapSnapshot* GetSnapshot(unsigned uid); | 847 HeapSnapshot* GetSnapshot(unsigned uid); |
| 848 void RemoveSnapshot(HeapSnapshot* snapshot); |
843 | 849 |
844 StringsStorage* names() { return &names_; } | 850 StringsStorage* names() { return &names_; } |
845 TokenEnumerator* token_enumerator() { return token_enumerator_; } | 851 TokenEnumerator* token_enumerator() { return token_enumerator_; } |
846 | 852 |
847 uint64_t GetObjectId(Address addr) { return ids_.FindObject(addr); } | 853 uint64_t GetObjectId(Address addr) { return ids_.FindObject(addr); } |
848 void ObjectMoveEvent(Address from, Address to) { ids_.MoveObject(from, to); } | 854 void ObjectMoveEvent(Address from, Address to) { ids_.MoveObject(from, to); } |
849 | 855 |
850 HeapSnapshotsDiff* CompareSnapshots(HeapSnapshot* snapshot1, | 856 HeapSnapshotsDiff* CompareSnapshots(HeapSnapshot* snapshot1, |
851 HeapSnapshot* snapshot2); | 857 HeapSnapshot* snapshot2); |
852 | 858 |
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1199 }; | 1205 }; |
1200 | 1206 |
1201 | 1207 |
1202 String* GetConstructorNameForHeapProfile(JSObject* object); | 1208 String* GetConstructorNameForHeapProfile(JSObject* object); |
1203 | 1209 |
1204 } } // namespace v8::internal | 1210 } } // namespace v8::internal |
1205 | 1211 |
1206 #endif // ENABLE_LOGGING_AND_PROFILING | 1212 #endif // ENABLE_LOGGING_AND_PROFILING |
1207 | 1213 |
1208 #endif // V8_PROFILE_GENERATOR_H_ | 1214 #endif // V8_PROFILE_GENERATOR_H_ |
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