Mercurial > hg > graal-compiler
diff src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.hpp @ 4095:bca17e38de00
6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
Summary: Select number of GC threads dynamically based on heap usage and number of Java threads
Reviewed-by: johnc, ysr, jcoomes
author | jmasa |
---|---|
date | Tue, 09 Aug 2011 10:16:01 -0700 |
parents | f95d63e2154a |
children | d2a62e0f25eb |
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--- a/src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.hpp Tue Nov 22 04:47:10 2011 -0500 +++ b/src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.hpp Tue Aug 09 10:16:01 2011 -0700 @@ -35,6 +35,7 @@ class GCTaskManager; class GCTaskThread : public WorkerThread { + friend class GCTaskManager; private: // Instance state. GCTaskManager* _manager; // Manager for worker. @@ -45,6 +46,8 @@ GCTaskTimeStamp* time_stamp_at(uint index); + bool _is_working; // True if participating in GC tasks + public: // Factory create and destroy methods. static GCTaskThread* create(GCTaskManager* manager, @@ -84,6 +87,7 @@ uint processor_id() const { return _processor_id; } + void set_is_working(bool v) { _is_working = v; } }; class GCTaskTimeStamp : public CHeapObj