741 HeapRegion* head = _g1->young_list()->first_region();
742 return
743 verify_young_ages(head, _short_lived_surv_rate_group);
744 // also call verify_young_ages on any additional surv rate groups
745 }
746
747 bool
748 G1CollectorPolicy::verify_young_ages(HeapRegion* head,
749 SurvRateGroup *surv_rate_group) {
750 guarantee( surv_rate_group != NULL, "pre-condition" );
751
752 const char* name = surv_rate_group->name();
753 bool ret = true;
754 int prev_age = -1;
755
756 for (HeapRegion* curr = head;
757 curr != NULL;
758 curr = curr->get_next_young_region()) {
759 SurvRateGroup* group = curr->surv_rate_group();
760 if (group == NULL && !curr->is_survivor()) {
761 log_info(gc, verify)("## %s: encountered NULL surv_rate_group", name);
762 ret = false;
763 }
764
765 if (surv_rate_group == group) {
766 int age = curr->age_in_surv_rate_group();
767
768 if (age < 0) {
769 log_info(gc, verify)("## %s: encountered negative age", name);
770 ret = false;
771 }
772
773 if (age <= prev_age) {
774 log_info(gc, verify)("## %s: region ages are not strictly increasing (%d, %d)", name, age, prev_age);
775 ret = false;
776 }
777 prev_age = age;
778 }
779 }
780
781 return ret;
782 }
783 #endif // PRODUCT
784
785 void G1CollectorPolicy::record_full_collection_start() {
786 _full_collection_start_sec = os::elapsedTime();
787 // Release the future to-space so that it is available for compaction into.
788 collector_state()->set_full_collection(true);
789 }
790
791 void G1CollectorPolicy::record_full_collection_end() {
792 // Consider this like a collection pause for the purposes of allocation
793 // since last pause.
794 double end_sec = os::elapsedTime();
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741 HeapRegion* head = _g1->young_list()->first_region();
742 return
743 verify_young_ages(head, _short_lived_surv_rate_group);
744 // also call verify_young_ages on any additional surv rate groups
745 }
746
747 bool
748 G1CollectorPolicy::verify_young_ages(HeapRegion* head,
749 SurvRateGroup *surv_rate_group) {
750 guarantee( surv_rate_group != NULL, "pre-condition" );
751
752 const char* name = surv_rate_group->name();
753 bool ret = true;
754 int prev_age = -1;
755
756 for (HeapRegion* curr = head;
757 curr != NULL;
758 curr = curr->get_next_young_region()) {
759 SurvRateGroup* group = curr->surv_rate_group();
760 if (group == NULL && !curr->is_survivor()) {
761 log_error(gc, verify)("## %s: encountered NULL surv_rate_group", name);
762 ret = false;
763 }
764
765 if (surv_rate_group == group) {
766 int age = curr->age_in_surv_rate_group();
767
768 if (age < 0) {
769 log_error(gc, verify)("## %s: encountered negative age", name);
770 ret = false;
771 }
772
773 if (age <= prev_age) {
774 log_error(gc, verify)("## %s: region ages are not strictly increasing (%d, %d)", name, age, prev_age);
775 ret = false;
776 }
777 prev_age = age;
778 }
779 }
780
781 return ret;
782 }
783 #endif // PRODUCT
784
785 void G1CollectorPolicy::record_full_collection_start() {
786 _full_collection_start_sec = os::elapsedTime();
787 // Release the future to-space so that it is available for compaction into.
788 collector_state()->set_full_collection(true);
789 }
790
791 void G1CollectorPolicy::record_full_collection_end() {
792 // Consider this like a collection pause for the purposes of allocation
793 // since last pause.
794 double end_sec = os::elapsedTime();
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