Mercurial > hg > graal-jvmci-8
comparison src/share/vm/gc_implementation/g1/concurrentG1RefineThread.hpp @ 795:215f81b4d9b3
6841831: G1: assert(contains_reference(from),"We just added it!") fires
Summary: During parallel rset updating we have to make sure that the worker ids of the refinement threads do not intersect with the worker ids that can be claimed by the mutator threads.
Reviewed-by: tonyp
author | iveresov |
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date | Mon, 18 May 2009 11:52:46 -0700 |
parents | 315a5d70b295 |
children | bd02caa94611 |
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794:315a5d70b295 | 795:215f81b4d9b3 |
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32 friend class G1CollectedHeap; | 32 friend class G1CollectedHeap; |
33 | 33 |
34 double _vtime_start; // Initial virtual time. | 34 double _vtime_start; // Initial virtual time. |
35 double _vtime_accum; // Initial virtual time. | 35 double _vtime_accum; // Initial virtual time. |
36 int _worker_id; | 36 int _worker_id; |
37 int _worker_id_offset; | |
37 | 38 |
38 // The refinement threads collection is linked list. A predecessor can activate a successor | 39 // The refinement threads collection is linked list. A predecessor can activate a successor |
39 // when the number of the rset update buffer crosses a certain threshold. A successor | 40 // when the number of the rset update buffer crosses a certain threshold. A successor |
40 // would self-deactivate when the number of the buffers falls below the threshold. | 41 // would self-deactivate when the number of the buffers falls below the threshold. |
41 bool _active; | 42 bool _active; |
71 // For use by G1CollectedHeap, which is a friend. | 72 // For use by G1CollectedHeap, which is a friend. |
72 static SuspendibleThreadSet* sts() { return &_sts; } | 73 static SuspendibleThreadSet* sts() { return &_sts; } |
73 | 74 |
74 public: | 75 public: |
75 // Constructor | 76 // Constructor |
76 ConcurrentG1RefineThread(ConcurrentG1Refine* cg1r, ConcurrentG1RefineThread* next, int worker_id); | 77 ConcurrentG1RefineThread(ConcurrentG1Refine* cg1r, ConcurrentG1RefineThread* next, |
78 int worker_id_offset, int worker_id); | |
77 | 79 |
78 // Printing | 80 // Printing |
79 void print(); | 81 void print(); |
80 | 82 |
81 // Total virtual time so far. | 83 // Total virtual time so far. |