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comparison src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp @ 10405:f2110083203d

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8005849: JEP 167: Event-Based JVM Tracing Reviewed-by: acorn, coleenp, sla Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
author sla
date Mon, 10 Jun 2013 11:30:51 +0200
parents 48391ab0687e
children f4311079200c
comparison
equal deleted inserted replaced
10404:d0add7016434 10405:f2110083203d
907 } 907 }
908 908
909 // Anything below that is considered to be zero 909 // Anything below that is considered to be zero
910 #define MIN_TIMER_GRANULARITY 0.0000001 910 #define MIN_TIMER_GRANULARITY 0.0000001
911 911
912 void G1CollectorPolicy::record_collection_pause_end(double pause_time_ms) { 912 void G1CollectorPolicy::record_collection_pause_end(double pause_time_ms, EvacuationInfo& evacuation_info) {
913 double end_time_sec = os::elapsedTime(); 913 double end_time_sec = os::elapsedTime();
914 assert(_cur_collection_pause_used_regions_at_start >= cset_region_length(), 914 assert(_cur_collection_pause_used_regions_at_start >= cset_region_length(),
915 "otherwise, the subtraction below does not make sense"); 915 "otherwise, the subtraction below does not make sense");
916 size_t rs_size = 916 size_t rs_size =
917 _cur_collection_pause_used_regions_at_start - cset_region_length(); 917 _cur_collection_pause_used_regions_at_start - cset_region_length();
938 set_initiate_conc_mark_if_possible(); 938 set_initiate_conc_mark_if_possible();
939 } 939 }
940 940
941 _mmu_tracker->add_pause(end_time_sec - pause_time_ms/1000.0, 941 _mmu_tracker->add_pause(end_time_sec - pause_time_ms/1000.0,
942 end_time_sec, false); 942 end_time_sec, false);
943
944 evacuation_info.set_collectionset_used_before(_collection_set_bytes_used_before);
945 evacuation_info.set_bytes_copied(_bytes_copied_during_gc);
943 946
944 if (update_stats) { 947 if (update_stats) {
945 _trace_gen0_time_data.record_end_collection(pause_time_ms, phase_times()); 948 _trace_gen0_time_data.record_end_collection(pause_time_ms, phase_times());
946 // this is where we update the allocation rate of the application 949 // this is where we update the allocation rate of the application
947 double app_time_ms = 950 double app_time_ms =
1894 } 1897 }
1895 return (uint) result; 1898 return (uint) result;
1896 } 1899 }
1897 1900
1898 1901
1899 void G1CollectorPolicy::finalize_cset(double target_pause_time_ms) { 1902 void G1CollectorPolicy::finalize_cset(double target_pause_time_ms, EvacuationInfo& evacuation_info) {
1900 double young_start_time_sec = os::elapsedTime(); 1903 double young_start_time_sec = os::elapsedTime();
1901 1904
1902 YoungList* young_list = _g1->young_list(); 1905 YoungList* young_list = _g1->young_list();
1903 finalize_incremental_cset_building(); 1906 finalize_incremental_cset_building();
1904 1907
2100 old_cset_region_length(), 2103 old_cset_region_length(),
2101 predicted_pause_time_ms, target_pause_time_ms); 2104 predicted_pause_time_ms, target_pause_time_ms);
2102 2105
2103 double non_young_end_time_sec = os::elapsedTime(); 2106 double non_young_end_time_sec = os::elapsedTime();
2104 phase_times()->record_non_young_cset_choice_time_ms((non_young_end_time_sec - non_young_start_time_sec) * 1000.0); 2107 phase_times()->record_non_young_cset_choice_time_ms((non_young_end_time_sec - non_young_start_time_sec) * 1000.0);
2108 evacuation_info.set_collectionset_regions(cset_region_length());
2105 } 2109 }
2106 2110
2107 void TraceGen0TimeData::record_start_collection(double time_to_stop_the_world_ms) { 2111 void TraceGen0TimeData::record_start_collection(double time_to_stop_the_world_ms) {
2108 if(TraceGen0Time) { 2112 if(TraceGen0Time) {
2109 _all_stop_world_times_ms.add(time_to_stop_the_world_ms); 2113 _all_stop_world_times_ms.add(time_to_stop_the_world_ms);