rev 4873 : 8015972: Refactor the sending of the object count after GC event
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.
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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 "trace/tracing.hpp"
32 #include "trace/traceBackend.hpp"
33 #if INCLUDE_ALL_GCS
34 #include "gc_implementation/g1/evacuationInfo.hpp"
35 #include "gc_implementation/g1/g1YCTypes.hpp"
36 #endif
37
38 // All GC dependencies against the trace framework is contained within this file.
39
40 typedef uintptr_t TraceAddress;
41
42 void GCTracer::send_garbage_collection_event() const {
43 EventGCGarbageCollection event(UNTIMED);
44 if (event.should_commit()) {
45 event.set_gcId(_shared_gc_info.id());
46 event.set_name(_shared_gc_info.name());
47 event.set_cause((u2) _shared_gc_info.cause());
48 event.set_sumOfPauses(_shared_gc_info.sum_of_pauses());
49 event.set_longestPause(_shared_gc_info.longest_pause());
50 event.set_starttime(_shared_gc_info.start_timestamp());
51 event.set_endtime(_shared_gc_info.end_timestamp());
52 event.commit();
53 }
54 }
55
56 void GCTracer::send_reference_stats_event(ReferenceType type, size_t count) const {
57 EventGCReferenceStatistics e;
58 if (e.should_commit()) {
59 e.set_gcId(_shared_gc_info.id());
60 e.set_type((u1)type);
61 e.set_count(count);
62 e.commit();
63 }
64 }
65
66 void ParallelOldTracer::send_parallel_old_event() const {
67 EventGCParallelOld e(UNTIMED);
68 if (e.should_commit()) {
69 e.set_gcId(_shared_gc_info.id());
70 e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix());
71 e.set_starttime(_shared_gc_info.start_timestamp());
72 e.set_endtime(_shared_gc_info.end_timestamp());
73 e.commit();
74 }
75 }
76
77 void YoungGCTracer::send_young_gc_event() const {
78 EventGCYoungGarbageCollection e(UNTIMED);
79 if (e.should_commit()) {
80 e.set_gcId(_shared_gc_info.id());
81 e.set_tenuringThreshold(_tenuring_threshold);
82 e.set_starttime(_shared_gc_info.start_timestamp());
83 e.set_endtime(_shared_gc_info.end_timestamp());
84 e.commit();
85 }
86 }
87
88 void OldGCTracer::send_old_gc_event() const {
89 EventGCOldGarbageCollection e(UNTIMED);
90 if (e.should_commit()) {
91 e.set_gcId(_shared_gc_info.id());
92 e.set_starttime(_shared_gc_info.start_timestamp());
93 e.set_endtime(_shared_gc_info.end_timestamp());
94 e.commit();
95 }
96 }
97
98 static TraceStructCopyFailed to_trace_struct(const CopyFailedInfo& cf_info) {
99 TraceStructCopyFailed failed_info;
100 failed_info.set_objectCount(cf_info.failed_count());
101 failed_info.set_firstSize(cf_info.first_size());
102 failed_info.set_smallestSize(cf_info.smallest_size());
103 failed_info.set_totalSize(cf_info.total_size());
104 return failed_info;
105 }
106
107 void YoungGCTracer::send_promotion_failed_event(const PromotionFailedInfo& pf_info) const {
108 EventPromotionFailed e;
109 if (e.should_commit()) {
110 e.set_gcId(_shared_gc_info.id());
111 e.set_data(to_trace_struct(pf_info));
112 e.set_thread(pf_info.thread()->thread_id());
113 e.commit();
114 }
115 }
116
117 // Common to CMS and G1
118 void OldGCTracer::send_concurrent_mode_failure_event() {
119 EventConcurrentModeFailure e;
120 if (e.should_commit()) {
121 e.set_gcId(_shared_gc_info.id());
122 e.commit();
123 }
124 }
125
126 #if INCLUDE_ALL_GCS
127 void G1NewTracer::send_g1_young_gc_event() {
128 EventGCG1GarbageCollection e(UNTIMED);
129 if (e.should_commit()) {
130 e.set_gcId(_shared_gc_info.id());
131 e.set_type(_g1_young_gc_info.type());
132 e.set_starttime(_shared_gc_info.start_timestamp());
133 e.set_endtime(_shared_gc_info.end_timestamp());
134 e.commit();
135 }
136 }
137
138 void G1NewTracer::send_evacuation_info_event(EvacuationInfo* info) {
139 EventEvacuationInfo e;
140 if (e.should_commit()) {
141 e.set_gcId(_shared_gc_info.id());
142 e.set_cSetRegions(info->collectionset_regions());
143 e.set_cSetUsedBefore(info->collectionset_used_before());
144 e.set_cSetUsedAfter(info->collectionset_used_after());
145 e.set_allocationRegions(info->allocation_regions());
146 e.set_allocRegionsUsedBefore(info->alloc_regions_used_before());
147 e.set_allocRegionsUsedAfter(info->alloc_regions_used_before() + info->bytes_copied());
148 e.set_bytesCopied(info->bytes_copied());
149 e.set_regionsFreed(info->regions_freed());
150 e.commit();
151 }
152 }
153
154 void G1NewTracer::send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const {
155 EventEvacuationFailed e;
156 if (e.should_commit()) {
157 e.set_gcId(_shared_gc_info.id());
158 e.set_data(to_trace_struct(ef_info));
159 e.commit();
160 }
161 }
162 #endif
163
164 static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) {
165 TraceStructVirtualSpace space;
166 space.set_start((TraceAddress)summary.start());
167 space.set_committedEnd((TraceAddress)summary.committed_end());
168 space.set_committedSize(summary.committed_size());
169 space.set_reservedEnd((TraceAddress)summary.reserved_end());
170 space.set_reservedSize(summary.reserved_size());
171 return space;
172 }
173
174 static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) {
175 TraceStructObjectSpace space;
176 space.set_start((TraceAddress)summary.start());
177 space.set_end((TraceAddress)summary.end());
178 space.set_used(summary.used());
179 space.set_size(summary.size());
180 return space;
181 }
182
183 class GCHeapSummaryEventSender : public GCHeapSummaryVisitor {
184 GCId _id;
185 GCWhen::Type _when;
186 public:
187 GCHeapSummaryEventSender(GCId id, GCWhen::Type when) : _id(id), _when(when) {}
188
189 void visit(const GCHeapSummary* heap_summary) const {
190 const VirtualSpaceSummary& heap_space = heap_summary->heap();
191
192 EventGCHeapSummary e;
193 if (e.should_commit()) {
194 e.set_gcId(_id);
195 e.set_when((u1)_when);
196 e.set_heapSpace(to_trace_struct(heap_space));
197 e.set_heapUsed(heap_summary->used());
198 e.commit();
199 }
200 }
201
202 void visit(const PSHeapSummary* ps_heap_summary) const {
203 visit((GCHeapSummary*)ps_heap_summary);
204
205 const VirtualSpaceSummary& old_summary = ps_heap_summary->old();
206 const SpaceSummary& old_space = ps_heap_summary->old_space();
207 const VirtualSpaceSummary& young_summary = ps_heap_summary->young();
208 const SpaceSummary& eden_space = ps_heap_summary->eden();
209 const SpaceSummary& from_space = ps_heap_summary->from();
210 const SpaceSummary& to_space = ps_heap_summary->to();
211
212 EventPSHeapSummary e;
213 if (e.should_commit()) {
214 e.set_gcId(_id);
215 e.set_when((u1)_when);
216
217 e.set_oldSpace(to_trace_struct(ps_heap_summary->old()));
218 e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space()));
219 e.set_youngSpace(to_trace_struct(ps_heap_summary->young()));
220 e.set_edenSpace(to_trace_struct(ps_heap_summary->eden()));
221 e.set_fromSpace(to_trace_struct(ps_heap_summary->from()));
222 e.set_toSpace(to_trace_struct(ps_heap_summary->to()));
223 e.commit();
224 }
225 }
226 };
227
228 void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const {
229 GCHeapSummaryEventSender visitor(_shared_gc_info.id(), when);
230 heap_summary.accept(&visitor);
231 }
232
233 static TraceStructMetaspaceSizes to_trace_struct(const MetaspaceSizes& sizes) {
234 TraceStructMetaspaceSizes meta_sizes;
235
236 meta_sizes.set_capacity(sizes.capacity());
237 meta_sizes.set_used(sizes.used());
238 meta_sizes.set_reserved(sizes.reserved());
239
240 return meta_sizes;
241 }
242
243 void GCTracer::send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const {
244 EventMetaspaceSummary e;
245 if (e.should_commit()) {
246 e.set_gcId(_shared_gc_info.id());
247 e.set_when((u1) when);
248 e.set_metaspace(to_trace_struct(meta_space_summary.meta_space()));
249 e.set_dataSpace(to_trace_struct(meta_space_summary.data_space()));
250 e.set_classSpace(to_trace_struct(meta_space_summary.class_space()));
251 e.commit();
252 }
253 }
254
255 class PhaseSender : public PhaseVisitor {
256 GCId _gc_id;
257 public:
258 PhaseSender(GCId gc_id) : _gc_id(gc_id) {}
259
260 template<typename T>
261 void send_phase(PausePhase* pause) {
262 T event(UNTIMED);
263 if (event.should_commit()) {
264 event.set_gcId(_gc_id);
265 event.set_name(pause->name());
266 event.set_starttime(pause->start());
267 event.set_endtime(pause->end());
268 event.commit();
269 }
270 }
271
272 void visit(GCPhase* pause) { ShouldNotReachHere(); }
273 void visit(ConcurrentPhase* pause) { Unimplemented(); }
274 void visit(PausePhase* pause) {
275 assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types");
276
277 switch (pause->level()) {
278 case 0: send_phase<EventGCPhasePause>(pause); break;
279 case 1: send_phase<EventGCPhasePauseLevel1>(pause); break;
280 case 2: send_phase<EventGCPhasePauseLevel2>(pause); break;
281 case 3: send_phase<EventGCPhasePauseLevel3>(pause); break;
282 default: /* Ignore sending this phase */ break;
283 }
284 }
285
286 #undef send_phase
287 };
288
289 void GCTracer::send_phase_events(TimePartitions* time_partitions) const {
290 PhaseSender phase_reporter(_shared_gc_info.id());
291
292 TimePartitionPhasesIterator iter(time_partitions);
293 while (iter.has_next()) {
294 GCPhase* phase = iter.next();
295 phase->accept(&phase_reporter);
296 }
297 }
--- EOF ---