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8019342: G1: High "Other" time most likely due to card redirtying

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Parallelize card redirtying to decrease the time it takes.

Reviewed-by: brutisso
This commit is contained in:
Thomas Schatzl 2014-04-16 16:46:58 +02:00
parent 0f9e30ad06
commit c5ef16027b
10 changed files with 146 additions and 79 deletions
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4
hotspot/src/share/vm/gc_implementation/g1/concurrentG1Refine.cpp
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@ -29,7 +29,7 @@
#include "gc_implementation/g1/g1HotCardCache.hpp"
#include "runtime/java.hpp"
ConcurrentG1Refine::ConcurrentG1Refine(G1CollectedHeap* g1h) :
ConcurrentG1Refine::ConcurrentG1Refine(G1CollectedHeap* g1h, CardTableEntryClosure* refine_closure) :
_threads(NULL), _n_threads(0),
_hot_card_cache(g1h)
{
@ -61,7 +61,7 @@ ConcurrentG1Refine::ConcurrentG1Refine(G1CollectedHeap* g1h) :
ConcurrentG1RefineThread *next = NULL;
for (uint i = _n_threads - 1; i != UINT_MAX; i--) {
ConcurrentG1RefineThread* t = new ConcurrentG1RefineThread(this, next, worker_id_offset, i);
ConcurrentG1RefineThread* t = new ConcurrentG1RefineThread(this, next, refine_closure, worker_id_offset, i);
assert(t != NULL, "Conc refine should have been created");
if (t->osthread() == NULL) {
vm_shutdown_during_initialization("Could not create ConcurrentG1RefineThread");