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comparison src/share/vm/gc_implementation/g1/vm_operations_g1.cpp @ 20522:d3fd73295885

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8059466: Force young GC to initiate marking cycle when stat update is requested Summary: Enable yc to be forced for stat update. Reviewed-by: mgerdin, jcoomes
author sjohanss
date Mon, 06 Oct 2014 10:11:13 +0200
parents 227a9e5e4b4a
children 4e4ebe50c8e3
comparison
equal deleted inserted replaced
20520:4001310db3f5 20522:d3fd73295885
93 void VM_G1IncCollectionPause::doit() { 93 void VM_G1IncCollectionPause::doit() {
94 G1CollectedHeap* g1h = G1CollectedHeap::heap(); 94 G1CollectedHeap* g1h = G1CollectedHeap::heap();
95 assert(!_should_initiate_conc_mark || 95 assert(!_should_initiate_conc_mark ||
96 ((_gc_cause == GCCause::_gc_locker && GCLockerInvokesConcurrent) || 96 ((_gc_cause == GCCause::_gc_locker && GCLockerInvokesConcurrent) ||
97 (_gc_cause == GCCause::_java_lang_system_gc && ExplicitGCInvokesConcurrent) || 97 (_gc_cause == GCCause::_java_lang_system_gc && ExplicitGCInvokesConcurrent) ||
98 _gc_cause == GCCause::_g1_humongous_allocation), 98 _gc_cause == GCCause::_g1_humongous_allocation ||
99 "only a GC locker, a System.gc() or a hum allocation induced GC should start a cycle"); 99 _gc_cause == GCCause::_update_allocation_context_stats_inc),
100 "only a GC locker, a System.gc(), stats update or a hum allocation induced GC should start a cycle");
100 101
101 if (_word_size > 0) { 102 if (_word_size > 0) {
102 // An allocation has been requested. So, try to do that first. 103 // An allocation has been requested. So, try to do that first.
103 _result = g1h->attempt_allocation_at_safepoint(_word_size, allocation_context(), 104 _result = g1h->attempt_allocation_at_safepoint(_word_size, allocation_context(),
104 false /* expect_null_cur_alloc_region */); 105 false /* expect_null_cur_alloc_region */);