Mercurial > hg > graal-compiler
diff src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp @ 8853:2e093b564241
7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine
Summary: Keep a counter of how many times we were stalled by the GC locker, add a diagnostic flag which sets the limit.
Reviewed-by: brutisso, ehelin, johnc
| author | mgerdin |
|---|---|
| date | Thu, 28 Mar 2013 10:27:28 +0100 |
| parents | ad747ee9d0b1 |
| children | b9a918201d47 7b835924c31c |
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--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Wed Mar 27 10:55:37 2013 +0100 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Thu Mar 28 10:27:28 2013 +0100 @@ -559,18 +559,21 @@ // the mutator alloc region without taking the Heap_lock. This // should only be used for non-humongous allocations. inline HeapWord* attempt_allocation(size_t word_size, - unsigned int* gc_count_before_ret); + unsigned int* gc_count_before_ret, + int* gclocker_retry_count_ret); // Second-level mutator allocation attempt: take the Heap_lock and // retry the allocation attempt, potentially scheduling a GC // pause. This should only be used for non-humongous allocations. HeapWord* attempt_allocation_slow(size_t word_size, - unsigned int* gc_count_before_ret); + unsigned int* gc_count_before_ret, + int* gclocker_retry_count_ret); // Takes the Heap_lock and attempts a humongous allocation. It can // potentially schedule a GC pause. HeapWord* attempt_allocation_humongous(size_t word_size, - unsigned int* gc_count_before_ret); + unsigned int* gc_count_before_ret, + int* gclocker_retry_count_ret); // Allocation attempt that should be called during safepoints (e.g., // at the end of a successful GC). expect_null_mutator_alloc_region