hotspot/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp
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747 private: |
747 private: |
748 // Support for parallelizing young gen rescan in CMS remark phase |
748 // Support for parallelizing young gen rescan in CMS remark phase |
749 Generation* _young_gen; // the younger gen |
749 Generation* _young_gen; // the younger gen |
750 HeapWord** _top_addr; // ... Top of Eden |
750 HeapWord** _top_addr; // ... Top of Eden |
751 HeapWord** _end_addr; // ... End of Eden |
751 HeapWord** _end_addr; // ... End of Eden |
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752 Mutex* _eden_chunk_lock; |
752 HeapWord** _eden_chunk_array; // ... Eden partitioning array |
753 HeapWord** _eden_chunk_array; // ... Eden partitioning array |
753 size_t _eden_chunk_index; // ... top (exclusive) of array |
754 size_t _eden_chunk_index; // ... top (exclusive) of array |
754 size_t _eden_chunk_capacity; // ... max entries in array |
755 size_t _eden_chunk_capacity; // ... max entries in array |
755 |
756 |
756 // Support for parallelizing survivor space rescan |
757 // Support for parallelizing survivor space rescan |
948 } |
949 } |
949 } |
950 } |
950 |
951 |
951 // Support for parallel remark of survivor space |
952 // Support for parallel remark of survivor space |
952 void* get_data_recorder(int thr_num); |
953 void* get_data_recorder(int thr_num); |
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954 void sample_eden_chunk(); |
953 |
955 |
954 CMSBitMap* markBitMap() { return &_markBitMap; } |
956 CMSBitMap* markBitMap() { return &_markBitMap; } |
955 void directAllocated(HeapWord* start, size_t size); |
957 void directAllocated(HeapWord* start, size_t size); |
956 |
958 |
957 // main CMS steps and related support |
959 // main CMS steps and related support |
1025 CMSMarkStack* verification_mark_stack() { return &_markStack; } |
1027 CMSMarkStack* verification_mark_stack() { return &_markStack; } |
1026 CMSBitMap* verification_mark_bm() { return &_verification_mark_bm; } |
1028 CMSBitMap* verification_mark_bm() { return &_verification_mark_bm; } |
1027 |
1029 |
1028 // Initialization errors |
1030 // Initialization errors |
1029 bool completed_initialization() { return _completed_initialization; } |
1031 bool completed_initialization() { return _completed_initialization; } |
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1032 |
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1033 void print_eden_and_survivor_chunk_arrays(); |
1030 }; |
1034 }; |
1031 |
1035 |
1032 class CMSExpansionCause : public AllStatic { |
1036 class CMSExpansionCause : public AllStatic { |
1033 public: |
1037 public: |
1034 enum Cause { |
1038 enum Cause { |
1314 |
1318 |
1315 // Support for parallel remark of survivor space |
1319 // Support for parallel remark of survivor space |
1316 void* get_data_recorder(int thr_num) { |
1320 void* get_data_recorder(int thr_num) { |
1317 //Delegate to collector |
1321 //Delegate to collector |
1318 return collector()->get_data_recorder(thr_num); |
1322 return collector()->get_data_recorder(thr_num); |
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1323 } |
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1324 void sample_eden_chunk() { |
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1325 //Delegate to collector |
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1326 return collector()->sample_eden_chunk(); |
1319 } |
1327 } |
1320 |
1328 |
1321 // Printing |
1329 // Printing |
1322 const char* name() const; |
1330 const char* name() const; |
1323 virtual const char* short_name() const { return "CMS"; } |
1331 virtual const char* short_name() const { return "CMS"; } |