1 /*
2 * Copyright (c) 2012, 2013, 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/copyFailedInfo.hpp"
31 #include "runtime/os.hpp"
32 #include "trace/tracing.hpp"
33 #include "trace/traceBackend.hpp"
34 #if INCLUDE_ALL_GCS
35 #include "gc_implementation/g1/evacuationInfo.hpp"
36 #include "gc_implementation/g1/g1YCTypes.hpp"
37 #endif
38
39 // All GC dependencies against the trace framework is contained within this file.
40
41 typedef uintptr_t TraceAddress;
42
43 void GCTracer::send_garbage_collection_event() const {
44 EventGCGarbageCollection event(UNTIMED);
45 if (event.should_commit()) {
46 event.set_gcId(_shared_gc_info.id());
47 event.set_name(_shared_gc_info.name());
48 event.set_cause((u2) _shared_gc_info.cause());
49 event.set_sumOfPauses(_shared_gc_info.sum_of_pauses());
50 event.set_longestPause(_shared_gc_info.longest_pause());
51 event.set_starttime(_shared_gc_info.start_timestamp());
52 event.set_endtime(_shared_gc_info.end_timestamp());
53 event.commit();
54 }
55 }
56
57 void GCTracer::send_reference_stats_event(ReferenceType type, size_t count) const {
58 EventGCReferenceStatistics e;
59 if (e.should_commit()) {
60 e.set_gcId(_shared_gc_info.id());
61 e.set_type((u1)type);
62 e.set_count(count);
63 e.commit();
64 }
65 }
66
67 void ParallelOldTracer::send_parallel_old_event() const {
68 EventGCParallelOld e(UNTIMED);
69 if (e.should_commit()) {
70 e.set_gcId(_shared_gc_info.id());
71 e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix());
72 e.set_starttime(_shared_gc_info.start_timestamp());
73 e.set_endtime(_shared_gc_info.end_timestamp());
74 e.commit();
75 }
76 }
77
78 void YoungGCTracer::send_young_gc_event() const {
79 EventGCYoungGarbageCollection e(UNTIMED);
80 if (e.should_commit()) {
81 e.set_gcId(_shared_gc_info.id());
82 e.set_tenuringThreshold(_tenuring_threshold);
83 e.set_starttime(_shared_gc_info.start_timestamp());
84 e.set_endtime(_shared_gc_info.end_timestamp());
85 e.commit();
86 }
87 }
88
89 void OldGCTracer::send_old_gc_event() const {
90 EventGCOldGarbageCollection e(UNTIMED);
91 if (e.should_commit()) {
92 e.set_gcId(_shared_gc_info.id());
93 e.set_starttime(_shared_gc_info.start_timestamp());
94 e.set_endtime(_shared_gc_info.end_timestamp());
95 e.commit();
96 }
97 }
98
99 static TraceStructCopyFailed to_trace_struct(const CopyFailedInfo& cf_info) {
100 TraceStructCopyFailed failed_info;
101 failed_info.set_objectCount(cf_info.failed_count());
102 failed_info.set_firstSize(cf_info.first_size());
103 failed_info.set_smallestSize(cf_info.smallest_size());
104 failed_info.set_totalSize(cf_info.total_size());
105 return failed_info;
106 }
107
108 void YoungGCTracer::send_promotion_failed_event(const PromotionFailedInfo& pf_info) const {
109 EventPromotionFailed e;
110 if (e.should_commit()) {
111 e.set_gcId(_shared_gc_info.id());
112 e.set_data(to_trace_struct(pf_info));
113 e.set_thread(pf_info.thread()->thread_id());
114 e.commit();
115 }
116 }
117
118 // Common to CMS and G1
119 void OldGCTracer::send_concurrent_mode_failure_event() {
120 EventConcurrentModeFailure e;
121 if (e.should_commit()) {
122 e.set_gcId(_shared_gc_info.id());
123 e.commit();
124 }
125 }
126
127 #if INCLUDE_ALL_GCS
128 void G1NewTracer::send_g1_young_gc_event() {
129 EventGCG1GarbageCollection e(UNTIMED);
130 if (e.should_commit()) {
131 e.set_gcId(_shared_gc_info.id());
132 e.set_type(_g1_young_gc_info.type());
133 e.set_starttime(_shared_gc_info.start_timestamp());
134 e.set_endtime(_shared_gc_info.end_timestamp());
135 e.commit();
136 }
137 }
138
139 void G1NewTracer::send_evacuation_info_event(EvacuationInfo* info) {
140 EventEvacuationInfo e;
141 if (e.should_commit()) {
142 e.set_gcId(_shared_gc_info.id());
143 e.set_cSetRegions(info->collectionset_regions());
144 e.set_cSetUsedBefore(info->collectionset_used_before());
145 e.set_cSetUsedAfter(info->collectionset_used_after());
146 e.set_allocationRegions(info->allocation_regions());
147 e.set_allocRegionsUsedBefore(info->alloc_regions_used_before());
148 e.set_allocRegionsUsedAfter(info->alloc_regions_used_before() + info->bytes_copied());
149 e.set_bytesCopied(info->bytes_copied());
150 e.set_regionsFreed(info->regions_freed());
151 e.commit();
152 }
153 }
154
155 void G1NewTracer::send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const {
156 EventEvacuationFailed e;
157 if (e.should_commit()) {
158 e.set_gcId(_shared_gc_info.id());
159 e.set_data(to_trace_struct(ef_info));
160 e.commit();
161 }
162 }
163 #endif
164
165 static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) {
166 TraceStructVirtualSpace space;
167 space.set_start((TraceAddress)summary.start());
168 space.set_committedEnd((TraceAddress)summary.committed_end());
169 space.set_committedSize(summary.committed_size());
170 space.set_reservedEnd((TraceAddress)summary.reserved_end());
171 space.set_reservedSize(summary.reserved_size());
172 return space;
173 }
174
175 static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) {
176 TraceStructObjectSpace space;
177 space.set_start((TraceAddress)summary.start());
178 space.set_end((TraceAddress)summary.end());
179 space.set_used(summary.used());
180 space.set_size(summary.size());
181 return space;
182 }
183
184 class GCHeapSummaryEventSender : public GCHeapSummaryVisitor {
185 GCId _id;
186 GCWhen::Type _when;
187 public:
188 GCHeapSummaryEventSender(GCId id, GCWhen::Type when) : _id(id), _when(when) {}
189
190 void visit(const GCHeapSummary* heap_summary) const {
191 const VirtualSpaceSummary& heap_space = heap_summary->heap();
192
193 EventGCHeapSummary e;
194 if (e.should_commit()) {
195 e.set_gcId(_id);
196 e.set_when((u1)_when);
197 e.set_heapSpace(to_trace_struct(heap_space));
198 e.set_heapUsed(heap_summary->used());
199 e.commit();
200 }
201 }
202
203 void visit(const PSHeapSummary* ps_heap_summary) const {
204 visit((GCHeapSummary*)ps_heap_summary);
205
206 const VirtualSpaceSummary& old_summary = ps_heap_summary->old();
207 const SpaceSummary& old_space = ps_heap_summary->old_space();
208 const VirtualSpaceSummary& young_summary = ps_heap_summary->young();
209 const SpaceSummary& eden_space = ps_heap_summary->eden();
210 const SpaceSummary& from_space = ps_heap_summary->from();
211 const SpaceSummary& to_space = ps_heap_summary->to();
212
213 EventPSHeapSummary e;
214 if (e.should_commit()) {
215 e.set_gcId(_id);
216 e.set_when((u1)_when);
217
218 e.set_oldSpace(to_trace_struct(ps_heap_summary->old()));
219 e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space()));
220 e.set_youngSpace(to_trace_struct(ps_heap_summary->young()));
221 e.set_edenSpace(to_trace_struct(ps_heap_summary->eden()));
222 e.set_fromSpace(to_trace_struct(ps_heap_summary->from()));
223 e.set_toSpace(to_trace_struct(ps_heap_summary->to()));
224 e.commit();
225 }
226 }
227 };
228
229 void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const {
230 GCHeapSummaryEventSender visitor(_shared_gc_info.id(), when);
231 heap_summary.accept(&visitor);
232 }
233
234 static TraceStructMetaspaceSizes to_trace_struct(const MetaspaceSizes& sizes) {
235 TraceStructMetaspaceSizes meta_sizes;
236
237 meta_sizes.set_capacity(sizes.capacity());
238 meta_sizes.set_used(sizes.used());
239 meta_sizes.set_reserved(sizes.reserved());
240
241 return meta_sizes;
242 }
243
244 void GCTracer::send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const {
245 EventMetaspaceSummary e;
246 if (e.should_commit()) {
247 e.set_gcId(_shared_gc_info.id());
248 e.set_when((u1) when);
249 e.set_metaspace(to_trace_struct(meta_space_summary.meta_space()));
250 e.set_dataSpace(to_trace_struct(meta_space_summary.data_space()));
251 e.set_classSpace(to_trace_struct(meta_space_summary.class_space()));
252 e.commit();
253 }
254 }
255
256 class PhaseSender : public PhaseVisitor {
257 GCId _gc_id;
258 public:
259 PhaseSender(GCId gc_id) : _gc_id(gc_id) {}
260
261 template<typename T>
262 void send_phase(PausePhase* pause) {
263 T event(UNTIMED);
264 if (event.should_commit()) {
265 event.set_gcId(_gc_id);
266 event.set_name(pause->name());
267 event.set_starttime(pause->start());
268 event.set_endtime(pause->end());
269 event.commit();
270 }
271 }
272
273 void visit(GCPhase* pause) { ShouldNotReachHere(); }
274 void visit(ConcurrentPhase* pause) { Unimplemented(); }
275 void visit(PausePhase* pause) {
276 assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types");
277
278 switch (pause->level()) {
279 case 0: send_phase<EventGCPhasePause>(pause); break;
280 case 1: send_phase<EventGCPhasePauseLevel1>(pause); break;
281 case 2: send_phase<EventGCPhasePauseLevel2>(pause); break;
282 case 3: send_phase<EventGCPhasePauseLevel3>(pause); break;
283 default: /* Ignore sending this phase */ break;
284 }
285 }
286 };
287
288 void GCTracer::send_phase_events(TimePartitions* time_partitions) const {
289 PhaseSender phase_reporter(_shared_gc_info.id());
290
291 TimePartitionPhasesIterator iter(time_partitions);
292 while (iter.has_next()) {
293 GCPhase* phase = iter.next();
294 phase->accept(&phase_reporter);
295 }
296 }