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8058568: GC cleanup phase can cause G1 skipping a System.gc()

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Marking G1 FullGC as a _full collection and passing down the correct before count.

Reviewed-by: brutisso, mgerdin
This commit is contained in:
Stefan Johansson 2014-10-20 10:18:17 +02:00
parent 71edbb2d96
commit bd227a9bac
2 changed files with 4 additions and 2 deletions
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4
hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
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@ -2483,6 +2483,7 @@ void G1CollectedHeap::collect(GCCause::Cause cause) {
unsigned int gc_count_before;
unsigned int old_marking_count_before;
unsigned int full_gc_count_before;
bool retry_gc;
do {
@ -2493,6 +2494,7 @@ void G1CollectedHeap::collect(GCCause::Cause cause) {
// Read the GC count while holding the Heap_lock
gc_count_before = total_collections();
full_gc_count_before = total_full_collections();
old_marking_count_before = _old_marking_cycles_started;
}
@ -2537,7 +2539,7 @@ void G1CollectedHeap::collect(GCCause::Cause cause) {
VMThread::execute(&op);
} else {
// Schedule a Full GC.
VM_G1CollectFull op(gc_count_before, old_marking_count_before, cause);
VM_G1CollectFull op(gc_count_before, full_gc_count_before, cause);
VMThread::execute(&op);
}
}