35 #include "memory/referenceType.hpp"
36 #include "utilities/macros.hpp"
37 #include "utilities/ticks.hpp"
38 #if INCLUDE_ALL_GCS
39 #include "gc/g1/g1YCTypes.hpp"
40 #endif
41
42 class EvacuationInfo;
43 class GCHeapSummary;
44 class MetaspaceChunkFreeListSummary;
45 class MetaspaceSummary;
46 class PSHeapSummary;
47 class G1HeapSummary;
48 class G1EvacSummary;
49 class ReferenceProcessorStats;
50 class TimePartitions;
51 class BoolObjectClosure;
52
53 class SharedGCInfo VALUE_OBJ_CLASS_SPEC {
54 private:
55 GCId _gc_id;
56 GCName _name;
57 GCCause::Cause _cause;
58 Ticks _start_timestamp;
59 Ticks _end_timestamp;
60 Tickspan _sum_of_pauses;
61 Tickspan _longest_pause;
62
63 public:
64 SharedGCInfo(GCName name) :
65 _gc_id(GCId::undefined()),
66 _name(name),
67 _cause(GCCause::_last_gc_cause),
68 _start_timestamp(),
69 _end_timestamp(),
70 _sum_of_pauses(),
71 _longest_pause() {
72 }
73
74 void set_gc_id(GCId gc_id) { _gc_id = gc_id; }
75 const GCId& gc_id() const { return _gc_id; }
76
77 void set_start_timestamp(const Ticks& timestamp) { _start_timestamp = timestamp; }
78 const Ticks start_timestamp() const { return _start_timestamp; }
79
80 void set_end_timestamp(const Ticks& timestamp) { _end_timestamp = timestamp; }
81 const Ticks end_timestamp() const { return _end_timestamp; }
82
83 void set_name(GCName name) { _name = name; }
84 GCName name() const { return _name; }
85
86 void set_cause(GCCause::Cause cause) { _cause = cause; }
87 GCCause::Cause cause() const { return _cause; }
88
89 void set_sum_of_pauses(const Tickspan& duration) { _sum_of_pauses = duration; }
90 const Tickspan sum_of_pauses() const { return _sum_of_pauses; }
91
92 void set_longest_pause(const Tickspan& duration) { _longest_pause = duration; }
93 const Tickspan longest_pause() const { return _longest_pause; }
94 };
95
96 class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC {
111 G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {}
112 void set_type(G1YCType type) {
113 _type = type;
114 }
115 G1YCType type() const { return _type; }
116 };
117
118 #endif // INCLUDE_ALL_GCS
119
120 class GCTracer : public ResourceObj {
121 protected:
122 SharedGCInfo _shared_gc_info;
123
124 public:
125 void report_gc_start(GCCause::Cause cause, const Ticks& timestamp);
126 void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions);
127 void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
128 void report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& metaspace_summary) const;
129 void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
130 void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
131 bool has_reported_gc_start() const;
132 const GCId& gc_id() { return _shared_gc_info.gc_id(); }
133
134 protected:
135 GCTracer(GCName name) : _shared_gc_info(name) {}
136 void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
137 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
138
139 private:
140 void send_garbage_collection_event() const;
141 void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
142 void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const;
143 void send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, const MetaspaceChunkFreeListSummary& summary) const;
144 void send_reference_stats_event(ReferenceType type, size_t count) const;
145 void send_phase_events(TimePartitions* time_partitions) const;
146 };
147
148 class YoungGCTracer : public GCTracer {
149 static const uint UNSET_TENURING_THRESHOLD = (uint) -1;
150
151 uint _tenuring_threshold;
152
225 SerialOldTracer() : OldGCTracer(SerialOld) {}
226 };
227
228 class ParallelScavengeTracer : public YoungGCTracer {
229 public:
230 ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {}
231 };
232
233 class DefNewTracer : public YoungGCTracer {
234 public:
235 DefNewTracer() : YoungGCTracer(DefNew) {}
236 };
237
238 class ParNewTracer : public YoungGCTracer {
239 public:
240 ParNewTracer() : YoungGCTracer(ParNew) {}
241 };
242
243 #if INCLUDE_ALL_GCS
244 class G1MMUTracer : public AllStatic {
245 static void send_g1_mmu_event(const GCId& gcId, double timeSlice, double gcTime, double maxTime);
246
247 public:
248 static void report_mmu(const GCId& gcId, double timeSlice, double gcTime, double maxTime);
249 };
250
251 class G1NewTracer : public YoungGCTracer {
252 G1YoungGCInfo _g1_young_gc_info;
253
254 public:
255 G1NewTracer() : YoungGCTracer(G1New) {}
256
257 void report_yc_type(G1YCType type);
258 void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
259 void report_evacuation_info(EvacuationInfo* info);
260 void report_evacuation_failed(EvacuationFailedInfo& ef_info);
261
262 void report_evacuation_statistics(const G1EvacSummary& young_summary, const G1EvacSummary& old_summary) const;
263 private:
264 void send_g1_young_gc_event();
265 void send_evacuation_info_event(EvacuationInfo* info);
266 void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const;
267
268 void send_young_evacuation_statistics(const G1EvacSummary& summary) const;
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35 #include "memory/referenceType.hpp"
36 #include "utilities/macros.hpp"
37 #include "utilities/ticks.hpp"
38 #if INCLUDE_ALL_GCS
39 #include "gc/g1/g1YCTypes.hpp"
40 #endif
41
42 class EvacuationInfo;
43 class GCHeapSummary;
44 class MetaspaceChunkFreeListSummary;
45 class MetaspaceSummary;
46 class PSHeapSummary;
47 class G1HeapSummary;
48 class G1EvacSummary;
49 class ReferenceProcessorStats;
50 class TimePartitions;
51 class BoolObjectClosure;
52
53 class SharedGCInfo VALUE_OBJ_CLASS_SPEC {
54 private:
55 GCName _name;
56 GCCause::Cause _cause;
57 Ticks _start_timestamp;
58 Ticks _end_timestamp;
59 Tickspan _sum_of_pauses;
60 Tickspan _longest_pause;
61
62 public:
63 SharedGCInfo(GCName name) :
64 _name(name),
65 _cause(GCCause::_last_gc_cause),
66 _start_timestamp(),
67 _end_timestamp(),
68 _sum_of_pauses(),
69 _longest_pause() {
70 }
71
72 void set_start_timestamp(const Ticks& timestamp) { _start_timestamp = timestamp; }
73 const Ticks start_timestamp() const { return _start_timestamp; }
74
75 void set_end_timestamp(const Ticks& timestamp) { _end_timestamp = timestamp; }
76 const Ticks end_timestamp() const { return _end_timestamp; }
77
78 void set_name(GCName name) { _name = name; }
79 GCName name() const { return _name; }
80
81 void set_cause(GCCause::Cause cause) { _cause = cause; }
82 GCCause::Cause cause() const { return _cause; }
83
84 void set_sum_of_pauses(const Tickspan& duration) { _sum_of_pauses = duration; }
85 const Tickspan sum_of_pauses() const { return _sum_of_pauses; }
86
87 void set_longest_pause(const Tickspan& duration) { _longest_pause = duration; }
88 const Tickspan longest_pause() const { return _longest_pause; }
89 };
90
91 class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC {
106 G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {}
107 void set_type(G1YCType type) {
108 _type = type;
109 }
110 G1YCType type() const { return _type; }
111 };
112
113 #endif // INCLUDE_ALL_GCS
114
115 class GCTracer : public ResourceObj {
116 protected:
117 SharedGCInfo _shared_gc_info;
118
119 public:
120 void report_gc_start(GCCause::Cause cause, const Ticks& timestamp);
121 void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions);
122 void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
123 void report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& metaspace_summary) const;
124 void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
125 void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
126
127 protected:
128 GCTracer(GCName name) : _shared_gc_info(name) {}
129 void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
130 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
131
132 private:
133 void send_garbage_collection_event() const;
134 void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
135 void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const;
136 void send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, const MetaspaceChunkFreeListSummary& summary) const;
137 void send_reference_stats_event(ReferenceType type, size_t count) const;
138 void send_phase_events(TimePartitions* time_partitions) const;
139 };
140
141 class YoungGCTracer : public GCTracer {
142 static const uint UNSET_TENURING_THRESHOLD = (uint) -1;
143
144 uint _tenuring_threshold;
145
218 SerialOldTracer() : OldGCTracer(SerialOld) {}
219 };
220
221 class ParallelScavengeTracer : public YoungGCTracer {
222 public:
223 ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {}
224 };
225
226 class DefNewTracer : public YoungGCTracer {
227 public:
228 DefNewTracer() : YoungGCTracer(DefNew) {}
229 };
230
231 class ParNewTracer : public YoungGCTracer {
232 public:
233 ParNewTracer() : YoungGCTracer(ParNew) {}
234 };
235
236 #if INCLUDE_ALL_GCS
237 class G1MMUTracer : public AllStatic {
238 static void send_g1_mmu_event(double timeSlice, double gcTime, double maxTime);
239
240 public:
241 static void report_mmu(double timeSlice, double gcTime, double maxTime);
242 };
243
244 class G1NewTracer : public YoungGCTracer {
245 G1YoungGCInfo _g1_young_gc_info;
246
247 public:
248 G1NewTracer() : YoungGCTracer(G1New) {}
249
250 void report_yc_type(G1YCType type);
251 void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
252 void report_evacuation_info(EvacuationInfo* info);
253 void report_evacuation_failed(EvacuationFailedInfo& ef_info);
254
255 void report_evacuation_statistics(const G1EvacSummary& young_summary, const G1EvacSummary& old_summary) const;
256 private:
257 void send_g1_young_gc_event();
258 void send_evacuation_info_event(EvacuationInfo* info);
259 void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const;
260
261 void send_young_evacuation_statistics(const G1EvacSummary& summary) const;
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