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8146991: Introduce per-worker preserved mark stacks in ParallelGC

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Reviewed-by: tschatzl, ysr
This commit is contained in:
Antonios Printezis 2016-03-09 09:45:47 +01:00
parent 22f2f6ff95
commit 00a657d109
6 changed files with 42 additions and 58 deletions
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5
hotspot/src/share/vm/gc/parallel/psPromotionManager.hpp
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@ -28,6 +28,7 @@
#include "gc/parallel/psPromotionLAB.hpp"
#include "gc/shared/copyFailedInfo.hpp"
#include "gc/shared/gcTrace.hpp"
#include "gc/shared/preservedMarks.hpp"
#include "gc/shared/taskqueue.hpp"
#include "memory/allocation.hpp"
#include "memory/padded.hpp"
@ -55,6 +56,7 @@ class PSPromotionManager VALUE_OBJ_CLASS_SPEC {
private:
static PaddedEnd<PSPromotionManager>* _manager_array;
static OopStarTaskQueueSet* _stack_array_depth;
static PreservedMarksSet* _preserved_marks_set;
static PSOldGen* _old_gen;
static MutableSpace* _young_space;
@ -84,6 +86,7 @@ class PSPromotionManager VALUE_OBJ_CLASS_SPEC {
uint _array_chunk_size;
uint _min_array_size_for_chunking;
PreservedMarks* _preserved_marks;
PromotionFailedInfo _promotion_failed_info;
// Accessors
@ -176,6 +179,8 @@ class PSPromotionManager VALUE_OBJ_CLASS_SPEC {
oop oop_promotion_failed(oop obj, markOop obj_mark);
void reset();
void register_preserved_marks(PreservedMarks* preserved_marks);
static void restore_preserved_marks() { _preserved_marks_set->restore(); }
void flush_labs();
void drain_stacks(bool totally_drain) {