1070
1071 G1CMConcurrentMarkingTask markingTask(this, cmThread());
1072 _parallel_workers->set_active_workers(active_workers);
1073 _parallel_workers->run_task(&markingTask);
1074 print_stats();
1075 }
1076
1077 void G1ConcurrentMark::checkpointRootsFinal(bool clear_all_soft_refs) {
1078 // world is stopped at this checkpoint
1079 assert(SafepointSynchronize::is_at_safepoint(),
1080 "world should be stopped");
1081
1082 G1CollectedHeap* g1h = G1CollectedHeap::heap();
1083
1084 // If a full collection has happened, we shouldn't do this.
1085 if (has_aborted()) {
1086 g1h->collector_state()->set_mark_in_progress(false); // So bitmap clearing isn't confused
1087 return;
1088 }
1089
1090 SvcGCMarker sgcm(SvcGCMarker::OTHER);
1091
1092 if (VerifyDuringGC) {
1093 HandleMark hm; // handle scope
1094 g1h->prepare_for_verify();
1095 Universe::verify(VerifyOption_G1UsePrevMarking, "During GC (before)");
1096 }
1097 g1h->verifier()->check_bitmaps("Remark Start");
1098
1099 G1CollectorPolicy* g1p = g1h->g1_policy();
1100 g1p->record_concurrent_mark_remark_start();
1101
1102 double start = os::elapsedTime();
1103
1104 checkpointRootsFinalWork();
1105
1106 double mark_work_end = os::elapsedTime();
1107
1108 weakRefsWork(clear_all_soft_refs);
1109
1110 if (has_overflown()) {
1111 // Oops. We overflowed. Restart concurrent marking.
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1070
1071 G1CMConcurrentMarkingTask markingTask(this, cmThread());
1072 _parallel_workers->set_active_workers(active_workers);
1073 _parallel_workers->run_task(&markingTask);
1074 print_stats();
1075 }
1076
1077 void G1ConcurrentMark::checkpointRootsFinal(bool clear_all_soft_refs) {
1078 // world is stopped at this checkpoint
1079 assert(SafepointSynchronize::is_at_safepoint(),
1080 "world should be stopped");
1081
1082 G1CollectedHeap* g1h = G1CollectedHeap::heap();
1083
1084 // If a full collection has happened, we shouldn't do this.
1085 if (has_aborted()) {
1086 g1h->collector_state()->set_mark_in_progress(false); // So bitmap clearing isn't confused
1087 return;
1088 }
1089
1090 if (VerifyDuringGC) {
1091 HandleMark hm; // handle scope
1092 g1h->prepare_for_verify();
1093 Universe::verify(VerifyOption_G1UsePrevMarking, "During GC (before)");
1094 }
1095 g1h->verifier()->check_bitmaps("Remark Start");
1096
1097 G1CollectorPolicy* g1p = g1h->g1_policy();
1098 g1p->record_concurrent_mark_remark_start();
1099
1100 double start = os::elapsedTime();
1101
1102 checkpointRootsFinalWork();
1103
1104 double mark_work_end = os::elapsedTime();
1105
1106 weakRefsWork(clear_all_soft_refs);
1107
1108 if (has_overflown()) {
1109 // Oops. We overflowed. Restart concurrent marking.
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