1 /*
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "gc_implementation/shared/gcHeapSummary.hpp"
27 #include "gc_implementation/shared/gcTimer.hpp"
28 #include "gc_implementation/shared/gcTrace.hpp"
29 #include "gc_implementation/shared/gcWhen.hpp"
30 #include "gc_implementation/shared/promotionFailedInfo.hpp"
31 #include "trace/tracing.hpp"
32 #ifndef SERIALGC
33 #include "gc_implementation/g1/g1YCTypes.hpp"
34 #endif
35
36 // All GC dependencies against the trace framework is contained within this file.
37
38 typedef uintptr_t TraceAddress;
39
40 void GCTracer::send_garbage_collection_event() const {
41 EventGCGarbageCollection event(UNTIMED);
42 if (event.should_commit()) {
43 event.set_gcId(_shared_gc_info.id());
44 event.set_name(_shared_gc_info.name());
45 event.set_cause((u2) _shared_gc_info.cause());
46 event.set_sumOfPauses(_shared_gc_info.sum_of_pauses());
47 event.set_longestPause(_shared_gc_info.longest_pause());
48 event.set_starttime(_shared_gc_info.start_timestamp());
49 event.set_endtime(_shared_gc_info.end_timestamp());
50 event.commit();
51 }
52 }
53
54 void GCTracer::send_reference_stats_event(ReferenceType type, size_t count) const {
55 EventGCReferenceStatistics e;
56 if (e.should_commit()) {
57 e.set_gcId(_shared_gc_info.id());
58 e.set_type((u1)type);
59 e.set_count(count);
60 e.commit();
61 }
62 }
63
64 void ParallelOldTracer::send_parallel_old_event() const {
65 EventGCParallelOld e(UNTIMED);
66 if (e.should_commit()) {
67 e.set_gcId(_shared_gc_info.id());
68 e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix());
69 e.set_starttime(_shared_gc_info.start_timestamp());
70 e.set_endtime(_shared_gc_info.end_timestamp());
71 e.commit();
72 }
73 }
74
75 void YoungGCTracer::send_young_gc_event() const {
76 EventGCYoungGarbageCollection e(UNTIMED);
77 if (e.should_commit()) {
78 e.set_gcId(_shared_gc_info.id());
79 e.set_starttime(_shared_gc_info.start_timestamp());
80 e.set_endtime(_shared_gc_info.end_timestamp());
81 e.commit();
82 }
83 }
84
85 void OldGCTracer::send_old_gc_event() const {
86 EventGCOldGarbageCollection e(UNTIMED);
87 if (e.should_commit()) {
88 e.set_gcId(_shared_gc_info.id());
89 e.set_starttime(_shared_gc_info.start_timestamp());
90 e.set_endtime(_shared_gc_info.end_timestamp());
91 e.commit();
92 }
93 }
94
95 void YoungGCTracer::send_promotion_failed_event(const PromotionFailedInfo& pf_info) const {
96 EventPromotionFailed e;
97 if (e.should_commit()) {
98 e.set_gcId(_shared_gc_info.id());
99 e.set_objectCount(pf_info.promotion_failed_count());
100 e.set_firstSize(pf_info.first_size());
101 e.set_smallestSize(pf_info.smallest_size());
102 e.set_totalSize(pf_info.total_size());
103 e.set_thread(pf_info.thread()->thread_id());
104 e.commit();
105 }
106 }
107
108 #ifndef SERIALGC
109 void G1NewTracer::send_g1_young_gc_event() {
110 EventGCG1GarbageCollection e(UNTIMED);
111 if (e.should_commit()) {
112 e.set_gcId(_shared_gc_info.id());
113 e.set_type(_g1_young_gc_info.type());
114 e.set_starttime(_shared_gc_info.start_timestamp());
115 e.set_endtime(_shared_gc_info.end_timestamp());
116 e.commit();
117 }
118 }
119 #endif
120
121 static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) {
122 TraceStructVirtualSpace space;
123 space.set_start((TraceAddress)summary.start());
124 space.set_committedEnd((TraceAddress)summary.committed_end());
125 space.set_committedSize(summary.committed_size());
126 space.set_reservedEnd((TraceAddress)summary.reserved_end());
127 space.set_reservedSize(summary.reserved_size());
128 return space;
129 }
130
131 static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) {
132 TraceStructObjectSpace space;
133 space.set_start((TraceAddress)summary.start());
134 space.set_end((TraceAddress)summary.end());
135 space.set_used(summary.used());
136 space.set_size(summary.size());
137 return space;
138 }
139
140 class GCHeapSummaryEventSender : public GCHeapSummaryVisitor {
141 GCId _id;
142 GCWhen::Type _when;
143 public:
144 GCHeapSummaryEventSender(GCId id, GCWhen::Type when) : _id(id), _when(when) {}
145
146 void visit(const GCHeapSummary* heap_summary) const {
147 const VirtualSpaceSummary& heap_space = heap_summary->heap();
148
149 EventGCHeapSummary e;
150 if (e.should_commit()) {
151 e.set_gcId(_id);
152 e.set_when((u1)_when);
153 e.set_heapSpace(to_trace_struct(heap_space));
154 e.set_heapUsed(heap_summary->used());
155 e.commit();
156 }
157 }
158
159 void visit(const PSHeapSummary* ps_heap_summary) const {
160 visit((GCHeapSummary*)ps_heap_summary);
161
162 EventPSHeapSummary e;
163 if (e.should_commit()) {
164 e.set_gcId(_id);
165 e.set_when((u1)_when);
166 e.set_oldSpace(to_trace_struct(ps_heap_summary->old()));
167 e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space()));
168 e.set_youngSpace(to_trace_struct(ps_heap_summary->young()));
169 e.set_edenSpace(to_trace_struct(ps_heap_summary->eden()));
170 e.set_fromSpace(to_trace_struct(ps_heap_summary->from()));
171 e.set_toSpace(to_trace_struct(ps_heap_summary->to()));
172 e.commit();
173 }
174 }
175 };
176
177 void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const {
178 GCHeapSummaryEventSender visitor(_shared_gc_info.id(), when);
179 heap_summary.accept(&visitor);
180 }
181
182 void GCTracer::send_perm_gen_summary_event(GCWhen::Type when, const PermGenSummary& perm_gen_summary) const {
183 const VirtualSpaceSummary& perm_space = perm_gen_summary.perm_space();
184 const SpaceSummary& object_space = perm_gen_summary.object_space();
185
186 EventPermGenSummary e;
187 if (e.should_commit()) {
188 e.set_gcId(_shared_gc_info.id());
189 e.set_when((u1) when);
190 e.set_permSpace(to_trace_struct(perm_space));
191 e.set_objectSpace(to_trace_struct(object_space));
192 e.commit();
193 }
194 }
195
196 class PhaseSender : public PhaseVisitor {
197 GCId _gc_id;
198 public:
199 PhaseSender(GCId gc_id) : _gc_id(gc_id) {}
200
201 template<typename T>
202 void send_phase(PausePhase* pause) {
203 T event(UNTIMED);
204 if (event.should_commit()) {
205 event.set_gcId(_gc_id);
206 event.set_name(pause->name());
207 event.set_starttime(pause->start());
208 event.set_endtime(pause->end());
209 event.commit();
210 }
211 }
212
213 void visit(GCPhase* pause) { ShouldNotReachHere(); }
214 void visit(ConcurrentPhase* pause) { Unimplemented(); }
215 void visit(PausePhase* pause) {
216 assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types");
217
218 switch (pause->level()) {
219 case 0: send_phase<EventGCPhasePause>(pause); break;
220 case 1: send_phase<EventGCPhasePauseLevel1>(pause); break;
221 case 2: send_phase<EventGCPhasePauseLevel2>(pause); break;
222 case 3: send_phase<EventGCPhasePauseLevel3>(pause); break;
223 default: /* Ignore sending this phase */ break;
224 }
225 }
226
227 #undef send_phase
228 };
229
230 void GCTracer::send_phase_events(TimePartitions* time_partitions) const {
231 PhaseSender phase_reporter(_shared_gc_info.id());
232
233 TimePartitionPhasesIterator iter(time_partitions);
234 while (iter.has_next()) {
235 GCPhase* phase = iter.next();
236 phase->accept(&phase_reporter);
237 }
238 }