59 update_all();
60 }
61 }
62
63 void G1YoungGenerationCounters::update_all() {
64 size_t committed =
65 G1MonitoringSupport::pad_capacity(_g1mm->young_gen_committed(), 3);
66 _current_size->set_value(committed);
67 }
68
69 void G1OldGenerationCounters::update_all() {
70 size_t committed =
71 G1MonitoringSupport::pad_capacity(_g1mm->old_gen_committed());
72 _current_size->set_value(committed);
73 }
74
75 G1MonitoringSupport::G1MonitoringSupport(G1CollectedHeap* g1h) :
76 _g1h(g1h),
77 _incremental_collection_counters(NULL),
78 _full_collection_counters(NULL),
79 _old_collection_counters(NULL),
80 _old_space_counters(NULL),
81 _young_collection_counters(NULL),
82 _eden_counters(NULL),
83 _from_counters(NULL),
84 _to_counters(NULL),
85
86 _overall_reserved(0),
87 _overall_committed(0), _overall_used(0),
88 _young_region_num(0),
89 _young_gen_committed(0),
90 _eden_committed(0), _eden_used(0),
91 _survivor_committed(0), _survivor_used(0),
92 _old_committed(0), _old_used(0) {
93
94 _overall_reserved = g1h->max_capacity();
95 recalculate_sizes();
96
97 // Counters for GC collections
98 //
99 // name "collector.0". In a generational collector this would be the
100 // young generation collection.
101 _incremental_collection_counters =
102 new CollectorCounters("G1 incremental collections", 0);
103 // name "collector.1". In a generational collector this would be the
104 // old generation collection.
105 _full_collection_counters =
106 new CollectorCounters("G1 stop-the-world full collections", 1);
107
108 // timer sampling for all counters supporting sampling only update the
109 // used value. See the take_sample() method. G1 requires both used and
110 // capacity updated so sampling is not currently used. It might
111 // be sufficient to update all counters in take_sample() even though
112 // take_sample() only returns "used". When sampling was used, there
113 // were some anomolous values emitted which may have been the consequence
114 // of not updating all values simultaneously (i.e., see the calculation done
115 // in eden_space_used(), is it possible that the values used to
116 // calculate either eden_used or survivor_used are being updated by
117 // the collector when the sample is being done?).
118 const bool sampled = false;
119
120 // "Generation" and "Space" counters.
121 //
122 // name "generation.1" This is logically the old generation in
123 // generational GC terms. The "1, 1" parameters are for
124 // the n-th generation (=1) with 1 space.
125 // Counters are created from minCapacity, maxCapacity, and capacity
126 _old_collection_counters = new G1OldGenerationCounters(this, "old");
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59 update_all();
60 }
61 }
62
63 void G1YoungGenerationCounters::update_all() {
64 size_t committed =
65 G1MonitoringSupport::pad_capacity(_g1mm->young_gen_committed(), 3);
66 _current_size->set_value(committed);
67 }
68
69 void G1OldGenerationCounters::update_all() {
70 size_t committed =
71 G1MonitoringSupport::pad_capacity(_g1mm->old_gen_committed());
72 _current_size->set_value(committed);
73 }
74
75 G1MonitoringSupport::G1MonitoringSupport(G1CollectedHeap* g1h) :
76 _g1h(g1h),
77 _incremental_collection_counters(NULL),
78 _full_collection_counters(NULL),
79 _conc_collection_counters(NULL),
80 _old_collection_counters(NULL),
81 _old_space_counters(NULL),
82 _young_collection_counters(NULL),
83 _eden_counters(NULL),
84 _from_counters(NULL),
85 _to_counters(NULL),
86
87 _overall_reserved(0),
88 _overall_committed(0), _overall_used(0),
89 _young_region_num(0),
90 _young_gen_committed(0),
91 _eden_committed(0), _eden_used(0),
92 _survivor_committed(0), _survivor_used(0),
93 _old_committed(0), _old_used(0) {
94
95 _overall_reserved = g1h->max_capacity();
96 recalculate_sizes();
97
98 // Counters for GC collections
99 //
100 // name "collector.0". In a generational collector this would be the
101 // young generation collection.
102 _incremental_collection_counters =
103 new CollectorCounters("G1 incremental collections", 0);
104 // name "collector.1". In a generational collector this would be the
105 // old generation collection.
106 _full_collection_counters =
107 new CollectorCounters("G1 stop-the-world full collections", 1);
108 // name "collector.2". In a generational collector this would be the
109 // STW phases in concurrent collection.
110 _conc_collection_counters =
111 new CollectorCounters("G1 stop-the-world phases", 2);
112
113 // timer sampling for all counters supporting sampling only update the
114 // used value. See the take_sample() method. G1 requires both used and
115 // capacity updated so sampling is not currently used. It might
116 // be sufficient to update all counters in take_sample() even though
117 // take_sample() only returns "used". When sampling was used, there
118 // were some anomolous values emitted which may have been the consequence
119 // of not updating all values simultaneously (i.e., see the calculation done
120 // in eden_space_used(), is it possible that the values used to
121 // calculate either eden_used or survivor_used are being updated by
122 // the collector when the sample is being done?).
123 const bool sampled = false;
124
125 // "Generation" and "Space" counters.
126 //
127 // name "generation.1" This is logically the old generation in
128 // generational GC terms. The "1, 1" parameters are for
129 // the n-th generation (=1) with 1 space.
130 // Counters are created from minCapacity, maxCapacity, and capacity
131 _old_collection_counters = new G1OldGenerationCounters(this, "old");
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