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comparison src/share/vm/services/memTrackWorker.hpp @ 6231:7e5976e66c62

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7182543: NMT ON: Aggregate a few NMT related bugs Summary: 1) Fixed MemTrackWorker::generations_in_used() calculation 2) Ensured NMT not to leak memory recorders after shutdown 3) Used ThreadCritical to block safepoint safe threads Reviewed-by: acorn, coleenp, dholmes, kvn
author zgu
date Thu, 19 Jul 2012 09:05:42 -0400
parents d2a62e0f25eb
children ecd24264898b
comparison
equal deleted inserted replaced
6201:ace99a6ffc83 6231:7e5976e66c62
65 NOT_PRODUCT(int _sync_point_count;) 65 NOT_PRODUCT(int _sync_point_count;)
66 NOT_PRODUCT(int _merge_count;) 66 NOT_PRODUCT(int _merge_count;)
67 NOT_PRODUCT(int _last_gen_in_use;) 67 NOT_PRODUCT(int _last_gen_in_use;)
68 68
69 inline int generations_in_use() const { 69 inline int generations_in_use() const {
70 return (_tail <= _head ? (_head - _tail + 1) : (MAX_GENERATIONS - (_tail - _head) + 1)); 70 return (_tail >= _head ? (_tail - _head + 1) : (MAX_GENERATIONS - (_head - _tail) + 1));
71 } 71 }
72 }; 72 };
73 73
74 #endif // SHARE_VM_SERVICES_MEM_TRACK_WORKER_HPP 74 #endif // SHARE_VM_SERVICES_MEM_TRACK_WORKER_HPP