1.1 --- a/src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp Tue Feb 04 17:38:01 2020 +0800
1.2 +++ b/src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp Tue Feb 04 18:13:14 2020 +0800
1.3 @@ -52,11 +52,16 @@
1.4 }
1.5 }
1.6
1.7 +static bool is_cause_full(GCCause::Cause cause) {
1.8 + return (cause != GCCause::_gc_locker) && (cause != GCCause::_wb_young_gc)
1.9 + DEBUG_ONLY(&& (cause != GCCause::_scavenge_alot));
1.10 +}
1.11 +
1.12 // Only used for System.gc() calls
1.13 VM_ParallelGCSystemGC::VM_ParallelGCSystemGC(uint gc_count,
1.14 uint full_gc_count,
1.15 GCCause::Cause gc_cause) :
1.16 - VM_GC_Operation(gc_count, gc_cause, full_gc_count, true /* full */)
1.17 + VM_GC_Operation(gc_count, gc_cause, full_gc_count, is_cause_full(gc_cause))
1.18 {
1.19 }
1.20
1.21 @@ -68,8 +73,7 @@
1.22 "must be a ParallelScavengeHeap");
1.23
1.24 GCCauseSetter gccs(heap, _gc_cause);
1.25 - if (_gc_cause == GCCause::_gc_locker || _gc_cause == GCCause::_wb_young_gc
1.26 - DEBUG_ONLY(|| _gc_cause == GCCause::_scavenge_alot)) {
1.27 + if (!_full) {
1.28 // If (and only if) the scavenge fails, this will invoke a full gc.
1.29 heap->invoke_scavenge();
1.30 } else {
