Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/shared/gcTraceSend.cpp @ 14213:6c4c27c5cc9a
8029366: ShouldNotReachHere error when creating an array with component type of void
Reviewed-by: kvn
author | twisti |
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date | Fri, 06 Dec 2013 16:43:56 -0800 |
parents | 86e6d691f2e1 |
children | 537c8e21b118 |
rev | line source |
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10405 | 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" | |
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31 #include "runtime/os.hpp" |
10405 | 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 { | |
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58 EventGCReferenceStatistics e; |
10405 | 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 { | |
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109 EventPromotionFailed e; |
10405 | 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() { | |
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120 EventConcurrentModeFailure e; |
10405 | 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) { | |
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140 EventEvacuationInfo e; |
10405 | 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 { | |
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156 EventEvacuationFailed e; |
10405 | 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 | |
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193 EventGCHeapSummary e; |
10405 | 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 | |
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213 EventPSHeapSummary e; |
10405 | 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 { | |
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245 EventMetaspaceSummary e; |
10405 | 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 } |