jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/shared/gcTraceSend.cpp@2cbc8f3011a0

8015972: Refactor the sending of the object count after GC event
Reviewed-by: brutisso, pliden

     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  */

    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

    38 // All GC dependencies against the trace framework is contained within this file.

    40 typedef uintptr_t TraceAddress;

    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 }

    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 }

    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 }

    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 }

    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 }

    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 }

   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 }

   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 }

   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 }

   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 }

   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

   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 }

   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 }

   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) {}

   189   void visit(const GCHeapSummary* heap_summary) const {

   190     const VirtualSpaceSummary& heap_space = heap_summary->heap();

   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   }

   202   void visit(const PSHeapSummary* ps_heap_summary) const {

   203     visit((GCHeapSummary*)ps_heap_summary);

   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();

   212     EventPSHeapSummary e;

   213     if (e.should_commit()) {

   214       e.set_gcId(_id);

   215       e.set_when((u1)_when);

   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 };

   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 }

   233 static TraceStructMetaspaceSizes to_trace_struct(const MetaspaceSizes& sizes) {

   234   TraceStructMetaspaceSizes meta_sizes;

   236   meta_sizes.set_capacity(sizes.capacity());

   237   meta_sizes.set_used(sizes.used());

   238   meta_sizes.set_reserved(sizes.reserved());

   240   return meta_sizes;

   241 }

   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 }

   255 class PhaseSender : public PhaseVisitor {

   256   GCId _gc_id;

   257  public:

   258   PhaseSender(GCId gc_id) : _gc_id(gc_id) {}

   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   }

   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");

   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   }

   286 #undef send_phase

   287 };

   289 void GCTracer::send_phase_events(TimePartitions* time_partitions) const {

   290   PhaseSender phase_reporter(_shared_gc_info.id());

   292   TimePartitionPhasesIterator iter(time_partitions);

   293   while (iter.has_next()) {

   294     GCPhase* phase = iter.next();

   295     phase->accept(&phase_reporter);

   296   }

   297 }

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/gc_implementation/shared/gcTraceSend.cpp@2cbc8f3011a0

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