src/share/vm/gc_implementation/shared/gcTraceSend.cpp

Thu, 19 Jun 2014 13:31:14 +0200

author
brutisso
date
Thu, 19 Jun 2014 13:31:14 +0200
changeset 6904
0982ec23da03
parent 6608
fa21c9537e6e
child 7535
7ae4e26cb1e0
child 9858
b985cbb00e68
permissions
-rw-r--r--

8043607: Add a GC id as a log decoration similar to PrintGCTimeStamps
Reviewed-by: jwilhelm, ehelin, tschatzl

     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  */
    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
    39 // All GC dependencies against the trace framework is contained within this file.
    41 typedef uintptr_t TraceAddress;
    43 void GCTracer::send_garbage_collection_event() const {
    44   EventGCGarbageCollection event(UNTIMED);
    45   if (event.should_commit()) {
    46     event.set_gcId(_shared_gc_info.gc_id().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 }
    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.gc_id().id());
    61       e.set_type((u1)type);
    62       e.set_count(count);
    63       e.commit();
    64   }
    65 }
    67 void GCTracer::send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype,
    68                                                       const MetaspaceChunkFreeListSummary& summary) const {
    69   EventMetaspaceChunkFreeListSummary e;
    70   if (e.should_commit()) {
    71     e.set_gcId(_shared_gc_info.gc_id().id());
    72     e.set_when(when);
    73     e.set_metadataType(mdtype);
    75     e.set_specializedChunks(summary.num_specialized_chunks());
    76     e.set_specializedChunksTotalSize(summary.specialized_chunks_size_in_bytes());
    78     e.set_smallChunks(summary.num_small_chunks());
    79     e.set_smallChunksTotalSize(summary.small_chunks_size_in_bytes());
    81     e.set_mediumChunks(summary.num_medium_chunks());
    82     e.set_mediumChunksTotalSize(summary.medium_chunks_size_in_bytes());
    84     e.set_humongousChunks(summary.num_humongous_chunks());
    85     e.set_humongousChunksTotalSize(summary.humongous_chunks_size_in_bytes());
    87     e.commit();
    88   }
    89 }
    91 void ParallelOldTracer::send_parallel_old_event() const {
    92   EventGCParallelOld e(UNTIMED);
    93   if (e.should_commit()) {
    94     e.set_gcId(_shared_gc_info.gc_id().id());
    95     e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix());
    96     e.set_starttime(_shared_gc_info.start_timestamp());
    97     e.set_endtime(_shared_gc_info.end_timestamp());
    98     e.commit();
    99   }
   100 }
   102 void YoungGCTracer::send_young_gc_event() const {
   103   EventGCYoungGarbageCollection e(UNTIMED);
   104   if (e.should_commit()) {
   105     e.set_gcId(_shared_gc_info.gc_id().id());
   106     e.set_tenuringThreshold(_tenuring_threshold);
   107     e.set_starttime(_shared_gc_info.start_timestamp());
   108     e.set_endtime(_shared_gc_info.end_timestamp());
   109     e.commit();
   110   }
   111 }
   113 void OldGCTracer::send_old_gc_event() const {
   114   EventGCOldGarbageCollection e(UNTIMED);
   115   if (e.should_commit()) {
   116     e.set_gcId(_shared_gc_info.gc_id().id());
   117     e.set_starttime(_shared_gc_info.start_timestamp());
   118     e.set_endtime(_shared_gc_info.end_timestamp());
   119     e.commit();
   120   }
   121 }
   123 static TraceStructCopyFailed to_trace_struct(const CopyFailedInfo& cf_info) {
   124   TraceStructCopyFailed failed_info;
   125   failed_info.set_objectCount(cf_info.failed_count());
   126   failed_info.set_firstSize(cf_info.first_size());
   127   failed_info.set_smallestSize(cf_info.smallest_size());
   128   failed_info.set_totalSize(cf_info.total_size());
   129   return failed_info;
   130 }
   132 void YoungGCTracer::send_promotion_failed_event(const PromotionFailedInfo& pf_info) const {
   133   EventPromotionFailed e;
   134   if (e.should_commit()) {
   135     e.set_gcId(_shared_gc_info.gc_id().id());
   136     e.set_data(to_trace_struct(pf_info));
   137     e.set_thread(pf_info.thread()->thread_id());
   138     e.commit();
   139   }
   140 }
   142 // Common to CMS and G1
   143 void OldGCTracer::send_concurrent_mode_failure_event() {
   144   EventConcurrentModeFailure e;
   145   if (e.should_commit()) {
   146     e.set_gcId(_shared_gc_info.gc_id().id());
   147     e.commit();
   148   }
   149 }
   151 #if INCLUDE_ALL_GCS
   152 void G1NewTracer::send_g1_young_gc_event() {
   153   EventGCG1GarbageCollection e(UNTIMED);
   154   if (e.should_commit()) {
   155     e.set_gcId(_shared_gc_info.gc_id().id());
   156     e.set_type(_g1_young_gc_info.type());
   157     e.set_starttime(_shared_gc_info.start_timestamp());
   158     e.set_endtime(_shared_gc_info.end_timestamp());
   159     e.commit();
   160   }
   161 }
   163 void G1NewTracer::send_evacuation_info_event(EvacuationInfo* info) {
   164   EventEvacuationInfo e;
   165   if (e.should_commit()) {
   166     e.set_gcId(_shared_gc_info.gc_id().id());
   167     e.set_cSetRegions(info->collectionset_regions());
   168     e.set_cSetUsedBefore(info->collectionset_used_before());
   169     e.set_cSetUsedAfter(info->collectionset_used_after());
   170     e.set_allocationRegions(info->allocation_regions());
   171     e.set_allocRegionsUsedBefore(info->alloc_regions_used_before());
   172     e.set_allocRegionsUsedAfter(info->alloc_regions_used_before() + info->bytes_copied());
   173     e.set_bytesCopied(info->bytes_copied());
   174     e.set_regionsFreed(info->regions_freed());
   175     e.commit();
   176   }
   177 }
   179 void G1NewTracer::send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const {
   180   EventEvacuationFailed e;
   181   if (e.should_commit()) {
   182     e.set_gcId(_shared_gc_info.gc_id().id());
   183     e.set_data(to_trace_struct(ef_info));
   184     e.commit();
   185   }
   186 }
   187 #endif
   189 static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) {
   190   TraceStructVirtualSpace space;
   191   space.set_start((TraceAddress)summary.start());
   192   space.set_committedEnd((TraceAddress)summary.committed_end());
   193   space.set_committedSize(summary.committed_size());
   194   space.set_reservedEnd((TraceAddress)summary.reserved_end());
   195   space.set_reservedSize(summary.reserved_size());
   196   return space;
   197 }
   199 static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) {
   200   TraceStructObjectSpace space;
   201   space.set_start((TraceAddress)summary.start());
   202   space.set_end((TraceAddress)summary.end());
   203   space.set_used(summary.used());
   204   space.set_size(summary.size());
   205   return space;
   206 }
   208 class GCHeapSummaryEventSender : public GCHeapSummaryVisitor {
   209   GCId _gc_id;
   210   GCWhen::Type _when;
   211  public:
   212   GCHeapSummaryEventSender(GCId gc_id, GCWhen::Type when) : _gc_id(gc_id), _when(when) {}
   214   void visit(const GCHeapSummary* heap_summary) const {
   215     const VirtualSpaceSummary& heap_space = heap_summary->heap();
   217     EventGCHeapSummary e;
   218     if (e.should_commit()) {
   219       e.set_gcId(_gc_id.id());
   220       e.set_when((u1)_when);
   221       e.set_heapSpace(to_trace_struct(heap_space));
   222       e.set_heapUsed(heap_summary->used());
   223       e.commit();
   224     }
   225   }
   227   void visit(const PSHeapSummary* ps_heap_summary) const {
   228     visit((GCHeapSummary*)ps_heap_summary);
   230     const VirtualSpaceSummary& old_summary = ps_heap_summary->old();
   231     const SpaceSummary& old_space = ps_heap_summary->old_space();
   232     const VirtualSpaceSummary& young_summary = ps_heap_summary->young();
   233     const SpaceSummary& eden_space = ps_heap_summary->eden();
   234     const SpaceSummary& from_space = ps_heap_summary->from();
   235     const SpaceSummary& to_space = ps_heap_summary->to();
   237     EventPSHeapSummary e;
   238     if (e.should_commit()) {
   239       e.set_gcId(_gc_id.id());
   240       e.set_when((u1)_when);
   242       e.set_oldSpace(to_trace_struct(ps_heap_summary->old()));
   243       e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space()));
   244       e.set_youngSpace(to_trace_struct(ps_heap_summary->young()));
   245       e.set_edenSpace(to_trace_struct(ps_heap_summary->eden()));
   246       e.set_fromSpace(to_trace_struct(ps_heap_summary->from()));
   247       e.set_toSpace(to_trace_struct(ps_heap_summary->to()));
   248       e.commit();
   249     }
   250   }
   251 };
   253 void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const {
   254   GCHeapSummaryEventSender visitor(_shared_gc_info.gc_id(), when);
   255   heap_summary.accept(&visitor);
   256 }
   258 static TraceStructMetaspaceSizes to_trace_struct(const MetaspaceSizes& sizes) {
   259   TraceStructMetaspaceSizes meta_sizes;
   261   meta_sizes.set_committed(sizes.committed());
   262   meta_sizes.set_used(sizes.used());
   263   meta_sizes.set_reserved(sizes.reserved());
   265   return meta_sizes;
   266 }
   268 void GCTracer::send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const {
   269   EventMetaspaceSummary e;
   270   if (e.should_commit()) {
   271     e.set_gcId(_shared_gc_info.gc_id().id());
   272     e.set_when((u1) when);
   273     e.set_gcThreshold(meta_space_summary.capacity_until_GC());
   274     e.set_metaspace(to_trace_struct(meta_space_summary.meta_space()));
   275     e.set_dataSpace(to_trace_struct(meta_space_summary.data_space()));
   276     e.set_classSpace(to_trace_struct(meta_space_summary.class_space()));
   277     e.commit();
   278   }
   279 }
   281 class PhaseSender : public PhaseVisitor {
   282   GCId _gc_id;
   283  public:
   284   PhaseSender(GCId gc_id) : _gc_id(gc_id) {}
   286   template<typename T>
   287   void send_phase(PausePhase* pause) {
   288     T event(UNTIMED);
   289     if (event.should_commit()) {
   290       event.set_gcId(_gc_id.id());
   291       event.set_name(pause->name());
   292       event.set_starttime(pause->start());
   293       event.set_endtime(pause->end());
   294       event.commit();
   295     }
   296   }
   298   void visit(GCPhase* pause) { ShouldNotReachHere(); }
   299   void visit(ConcurrentPhase* pause) { Unimplemented(); }
   300   void visit(PausePhase* pause) {
   301     assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types");
   303     switch (pause->level()) {
   304       case 0: send_phase<EventGCPhasePause>(pause); break;
   305       case 1: send_phase<EventGCPhasePauseLevel1>(pause); break;
   306       case 2: send_phase<EventGCPhasePauseLevel2>(pause); break;
   307       case 3: send_phase<EventGCPhasePauseLevel3>(pause); break;
   308       default: /* Ignore sending this phase */ break;
   309     }
   310   }
   311 };
   313 void GCTracer::send_phase_events(TimePartitions* time_partitions) const {
   314   PhaseSender phase_reporter(_shared_gc_info.gc_id());
   316   TimePartitionPhasesIterator iter(time_partitions);
   317   while (iter.has_next()) {
   318     GCPhase* phase = iter.next();
   319     phase->accept(&phase_reporter);
   320   }
   321 }

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