959 app_time_ms = 1.0;
960 }
961 // We maintain the invariant that all objects allocated by mutator
962 // threads will be allocated out of eden regions. So, we can use
963 // the eden region number allocated since the previous GC to
964 // calculate the application's allocate rate. The only exception
965 // to that is humongous objects that are allocated separately. But
966 // given that humongous object allocations do not really affect
967 // either the pause's duration nor when the next pause will take
968 // place we can safely ignore them here.
969 uint regions_allocated = eden_cset_region_length();
970 double alloc_rate_ms = (double) regions_allocated / app_time_ms;
971 _alloc_rate_ms_seq->add(alloc_rate_ms);
972
973 double interval_ms =
974 (end_time_sec - _recent_prev_end_times_for_all_gcs_sec->oldest()) * 1000.0;
975 update_recent_gc_times(end_time_sec, pause_time_ms);
976 _recent_avg_pause_time_ratio = _recent_gc_times_ms->sum()/interval_ms;
977 if (recent_avg_pause_time_ratio() < 0.0 ||
978 (recent_avg_pause_time_ratio() - 1.0 > 0.0)) {
979 #ifndef PRODUCT
980 // Dump info to allow post-facto debugging
981 gclog_or_tty->print_cr("recent_avg_pause_time_ratio() out of bounds");
982 gclog_or_tty->print_cr("-------------------------------------------");
983 gclog_or_tty->print_cr("Recent GC Times (ms):");
984 _recent_gc_times_ms->dump();
985 gclog_or_tty->print_cr("(End Time=%3.3f) Recent GC End Times (s):", end_time_sec);
986 _recent_prev_end_times_for_all_gcs_sec->dump();
987 gclog_or_tty->print_cr("GC = %3.3f, Interval = %3.3f, Ratio = %3.3f",
988 _recent_gc_times_ms->sum(), interval_ms, recent_avg_pause_time_ratio());
989 // In debug mode, terminate the JVM if the user wants to debug at this point.
990 assert(!G1FailOnFPError, "Debugging data for CR 6898948 has been dumped above");
991 #endif // !PRODUCT
992 // Clip ratio between 0.0 and 1.0, and continue. This will be fixed in
993 // CR 6902692 by redoing the manner in which the ratio is incrementally computed.
994 if (_recent_avg_pause_time_ratio < 0.0) {
995 _recent_avg_pause_time_ratio = 0.0;
996 } else {
997 assert(_recent_avg_pause_time_ratio - 1.0 > 0.0, "Ctl-point invariant");
998 _recent_avg_pause_time_ratio = 1.0;
999 }
1000 }
1001 }
1002
1003 bool new_in_marking_window = collector_state()->in_marking_window();
1004 bool new_in_marking_window_im = false;
1005 if (last_pause_included_initial_mark) {
1006 new_in_marking_window = true;
1007 new_in_marking_window_im = true;
1008 }
1009
1010 if (collector_state()->last_young_gc()) {
1011 // This is supposed to to be the "last young GC" before we start
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959 app_time_ms = 1.0;
960 }
961 // We maintain the invariant that all objects allocated by mutator
962 // threads will be allocated out of eden regions. So, we can use
963 // the eden region number allocated since the previous GC to
964 // calculate the application's allocate rate. The only exception
965 // to that is humongous objects that are allocated separately. But
966 // given that humongous object allocations do not really affect
967 // either the pause's duration nor when the next pause will take
968 // place we can safely ignore them here.
969 uint regions_allocated = eden_cset_region_length();
970 double alloc_rate_ms = (double) regions_allocated / app_time_ms;
971 _alloc_rate_ms_seq->add(alloc_rate_ms);
972
973 double interval_ms =
974 (end_time_sec - _recent_prev_end_times_for_all_gcs_sec->oldest()) * 1000.0;
975 update_recent_gc_times(end_time_sec, pause_time_ms);
976 _recent_avg_pause_time_ratio = _recent_gc_times_ms->sum()/interval_ms;
977 if (recent_avg_pause_time_ratio() < 0.0 ||
978 (recent_avg_pause_time_ratio() - 1.0 > 0.0)) {
979 // Clip ratio between 0.0 and 1.0, and continue. This will be fixed in
980 // CR 6902692 by redoing the manner in which the ratio is incrementally computed.
981 if (_recent_avg_pause_time_ratio < 0.0) {
982 _recent_avg_pause_time_ratio = 0.0;
983 } else {
984 assert(_recent_avg_pause_time_ratio - 1.0 > 0.0, "Ctl-point invariant");
985 _recent_avg_pause_time_ratio = 1.0;
986 }
987 }
988 }
989
990 bool new_in_marking_window = collector_state()->in_marking_window();
991 bool new_in_marking_window_im = false;
992 if (last_pause_included_initial_mark) {
993 new_in_marking_window = true;
994 new_in_marking_window_im = true;
995 }
996
997 if (collector_state()->last_young_gc()) {
998 // This is supposed to to be the "last young GC" before we start
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