g1 (original) (raw)

546 } 547 548 PerRegionTable* 549 OtherRegionsTable::find_region_table(size_t ind, HeapRegion* hr) const { 550 assert(ind < _max_fine_entries, "Preconditions."); 551 PerRegionTable* prt = _fine_grain_regions[ind]; 552 while (prt != NULL && prt->hr() != hr) { 553 prt = prt->collision_list_next(); 554 } 555 // Loop postcondition is the method postcondition. 556 return prt; 557 } 558 559 jint OtherRegionsTable::_n_coarsenings = 0; 560 561 PerRegionTable* OtherRegionsTable::delete_region_table() { 562 assert(_m->owned_by_self(), "Precondition"); 563 assert(_n_fine_entries == _max_fine_entries, "Precondition"); 564 PerRegionTable* max = NULL; 565 jint max_occ = 0; 566 PerRegionTable** max_prev; 567 size_t max_ind; 568 569 size_t i = _fine_eviction_start; 570 for (size_t k = 0; k < _fine_eviction_sample_size; k++) { 571 size_t ii = i; 572 // Make sure we get a non-NULL sample. 573 while (_fine_grain_regions[ii] == NULL) { 574 ii++; 575 if (ii == _max_fine_entries) ii = 0; 576 guarantee(ii != i, "We must find one."); 577 } 578 PerRegionTable** prev = &_fine_grain_regions[ii]; 579 PerRegionTable* cur = *prev; 580 while (cur != NULL) { 581 jint cur_occ = cur->occupied(); 582 if (max == NULL || cur_occ > max_occ) { 583 max = cur; 584 max_prev = prev; 585 max_ind = i; 586 max_occ = cur_occ;

1121 _n_recorded_events++; 1122 } 1123 } 1124 1125 void HeapRegionRemSet::print_event(outputStream* str, Event evnt) { 1126 switch (evnt) { 1127 case Event_EvacStart: 1128 str->print("Evac Start"); 1129 break; 1130 case Event_EvacEnd: 1131 str->print("Evac End"); 1132 break; 1133 case Event_RSUpdateEnd: 1134 str->print("RS Update End"); 1135 break; 1136 } 1137 } 1138 1139 void HeapRegionRemSet::print_recorded() { 1140 int cur_evnt = 0; 1141 Event cur_evnt_kind; 1142 int cur_evnt_ind = 0; 1143 if (_n_recorded_events > 0) { 1144 cur_evnt_kind = _recorded_events[cur_evnt]; 1145 cur_evnt_ind = _recorded_event_index[cur_evnt]; 1146 } 1147 1148 for (int i = 0; i < _n_recorded; i++) { 1149 while (cur_evnt < _n_recorded_events && i == cur_evnt_ind) { 1150 gclog_or_tty->print("Event: "); 1151 print_event(gclog_or_tty, cur_evnt_kind); 1152 gclog_or_tty->cr(); 1153 cur_evnt++; 1154 if (cur_evnt < MaxRecordedEvents) { 1155 cur_evnt_kind = _recorded_events[cur_evnt]; 1156 cur_evnt_ind = _recorded_event_index[cur_evnt]; 1157 } 1158 } 1159 gclog_or_tty->print("Added card " PTR_FORMAT " to region [" PTR_FORMAT "...]" 1160 " for ref " PTR_FORMAT ".\n", 1161 p2i(_recorded_cards[i]), p2i(_recorded_regions[i]->bottom()),

546 } 547 548 PerRegionTable* 549 OtherRegionsTable::find_region_table(size_t ind, HeapRegion* hr) const { 550 assert(ind < _max_fine_entries, "Preconditions."); 551 PerRegionTable* prt = _fine_grain_regions[ind]; 552 while (prt != NULL && prt->hr() != hr) { 553 prt = prt->collision_list_next(); 554 } 555 // Loop postcondition is the method postcondition. 556 return prt; 557 } 558 559 jint OtherRegionsTable::_n_coarsenings = 0; 560 561 PerRegionTable* OtherRegionsTable::delete_region_table() { 562 assert(_m->owned_by_self(), "Precondition"); 563 assert(_n_fine_entries == _max_fine_entries, "Precondition"); 564 PerRegionTable* max = NULL; 565 jint max_occ = 0; 566 PerRegionTable** max_prev = NULL; 567 size_t max_ind; 568 569 size_t i = _fine_eviction_start; 570 for (size_t k = 0; k < _fine_eviction_sample_size; k++) { 571 size_t ii = i; 572 // Make sure we get a non-NULL sample. 573 while (_fine_grain_regions[ii] == NULL) { 574 ii++; 575 if (ii == _max_fine_entries) ii = 0; 576 guarantee(ii != i, "We must find one."); 577 } 578 PerRegionTable** prev = &_fine_grain_regions[ii]; 579 PerRegionTable* cur = *prev; 580 while (cur != NULL) { 581 jint cur_occ = cur->occupied(); 582 if (max == NULL || cur_occ > max_occ) { 583 max = cur; 584 max_prev = prev; 585 max_ind = i; 586 max_occ = cur_occ;

1121 _n_recorded_events++; 1122 } 1123 } 1124 1125 void HeapRegionRemSet::print_event(outputStream* str, Event evnt) { 1126 switch (evnt) { 1127 case Event_EvacStart: 1128 str->print("Evac Start"); 1129 break; 1130 case Event_EvacEnd: 1131 str->print("Evac End"); 1132 break; 1133 case Event_RSUpdateEnd: 1134 str->print("RS Update End"); 1135 break; 1136 } 1137 } 1138 1139 void HeapRegionRemSet::print_recorded() { 1140 int cur_evnt = 0; 1141 Event cur_evnt_kind = Event_illegal; 1142 int cur_evnt_ind = 0; 1143 if (_n_recorded_events > 0) { 1144 cur_evnt_kind = _recorded_events[cur_evnt]; 1145 cur_evnt_ind = _recorded_event_index[cur_evnt]; 1146 } 1147 1148 for (int i = 0; i < _n_recorded; i++) { 1149 while (cur_evnt < _n_recorded_events && i == cur_evnt_ind) { 1150 gclog_or_tty->print("Event: "); 1151 print_event(gclog_or_tty, cur_evnt_kind); 1152 gclog_or_tty->cr(); 1153 cur_evnt++; 1154 if (cur_evnt < MaxRecordedEvents) { 1155 cur_evnt_kind = _recorded_events[cur_evnt]; 1156 cur_evnt_ind = _recorded_event_index[cur_evnt]; 1157 } 1158 } 1159 gclog_or_tty->print("Added card " PTR_FORMAT " to region [" PTR_FORMAT "...]" 1160 " for ref " PTR_FORMAT ".\n", 1161 p2i(_recorded_cards[i]), p2i(_recorded_regions[i]->bottom()),