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8150994: UseParallelGC fails with UseDynamicNumberOfGCThreads with specjbb2005

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Reviewed-by: tschatzl, kbarrett
This commit is contained in:
Jon Masamitsu 2016-04-01 12:32:34 -07:00
parent 56d3ee3dbc
commit d650ab04e2
6 changed files with 16 additions and 213 deletions
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23
hotspot/src/share/vm/gc/parallel/pcTasks.hpp
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@ -234,27 +234,4 @@ class UpdateDensePrefixTask : public GCTask {
virtual void do_it(GCTaskManager* manager, uint which);
};
//
// DrainStacksCompactionTask
//
// This task processes regions that have been added to the stacks of each
// compaction manager.
//
// Trying to use one draining thread does not work because there are no
// guarantees about which task will be picked up by which thread. For example,
// if thread A gets all the preloaded regions, thread A may not get a draining
// task (they may all be done by other threads).
//
class DrainStacksCompactionTask : public GCTask {
uint _stack_index;
uint stack_index() { return _stack_index; }
public:
DrainStacksCompactionTask(uint stack_index) : GCTask(),
_stack_index(stack_index) {};
char* name() { return (char *)"drain-region-task"; }
virtual void do_it(GCTaskManager* manager, uint which);
};
#endif // SHARE_VM_GC_PARALLEL_PCTASKS_HPP