1086 set_concurrency_and_phase(active_workers, true /* concurrent */);
1087
1088 G1CMConcurrentMarkingTask markingTask(this, cmThread());
1089 _parallel_workers->run_task(&markingTask);
1090 print_stats();
1091 }
1092
1093 void G1ConcurrentMark::checkpointRootsFinal(bool clear_all_soft_refs) {
1094 // world is stopped at this checkpoint
1095 assert(SafepointSynchronize::is_at_safepoint(),
1096 "world should be stopped");
1097
1098 G1CollectedHeap* g1h = G1CollectedHeap::heap();
1099
1100 // If a full collection has happened, we shouldn't do this.
1101 if (has_aborted()) {
1102 g1h->collector_state()->set_mark_in_progress(false); // So bitmap clearing isn't confused
1103 return;
1104 }
1105
1106 SvcGCMarker sgcm(SvcGCMarker::OTHER);
1107
1108 if (VerifyDuringGC) {
1109 HandleMark hm; // handle scope
1110 g1h->prepare_for_verify();
1111 Universe::verify(VerifyOption_G1UsePrevMarking, "During GC (before)");
1112 }
1113 g1h->verifier()->check_bitmaps("Remark Start");
1114
1115 G1Policy* g1p = g1h->g1_policy();
1116 g1p->record_concurrent_mark_remark_start();
1117
1118 double start = os::elapsedTime();
1119
1120 checkpointRootsFinalWork();
1121
1122 double mark_work_end = os::elapsedTime();
1123
1124 weakRefsWork(clear_all_soft_refs);
1125
1126 if (has_overflown()) {
1127 // We overflowed. Restart concurrent marking.
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1086 set_concurrency_and_phase(active_workers, true /* concurrent */);
1087
1088 G1CMConcurrentMarkingTask markingTask(this, cmThread());
1089 _parallel_workers->run_task(&markingTask);
1090 print_stats();
1091 }
1092
1093 void G1ConcurrentMark::checkpointRootsFinal(bool clear_all_soft_refs) {
1094 // world is stopped at this checkpoint
1095 assert(SafepointSynchronize::is_at_safepoint(),
1096 "world should be stopped");
1097
1098 G1CollectedHeap* g1h = G1CollectedHeap::heap();
1099
1100 // If a full collection has happened, we shouldn't do this.
1101 if (has_aborted()) {
1102 g1h->collector_state()->set_mark_in_progress(false); // So bitmap clearing isn't confused
1103 return;
1104 }
1105
1106 if (VerifyDuringGC) {
1107 HandleMark hm; // handle scope
1108 g1h->prepare_for_verify();
1109 Universe::verify(VerifyOption_G1UsePrevMarking, "During GC (before)");
1110 }
1111 g1h->verifier()->check_bitmaps("Remark Start");
1112
1113 G1Policy* g1p = g1h->g1_policy();
1114 g1p->record_concurrent_mark_remark_start();
1115
1116 double start = os::elapsedTime();
1117
1118 checkpointRootsFinalWork();
1119
1120 double mark_work_end = os::elapsedTime();
1121
1122 weakRefsWork(clear_all_soft_refs);
1123
1124 if (has_overflown()) {
1125 // We overflowed. Restart concurrent marking.
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