1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/gc_implementation/shared/gcTrace.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,243 @@
1.4 +/*
1.5 + * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
1.29 +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
1.30 +
1.31 +#include "gc_interface/gcCause.hpp"
1.32 +#include "gc_interface/gcName.hpp"
1.33 +#include "gc_implementation/shared/gcWhen.hpp"
1.34 +#include "gc_implementation/shared/copyFailedInfo.hpp"
1.35 +#include "memory/allocation.hpp"
1.36 +#include "memory/metaspace.hpp"
1.37 +#include "memory/referenceType.hpp"
1.38 +#if INCLUDE_ALL_GCS
1.39 +#include "gc_implementation/g1/g1YCTypes.hpp"
1.40 +#endif
1.41 +#include "utilities/macros.hpp"
1.42 +#include "utilities/ticks.hpp"
1.43 +
1.44 +typedef uint GCId;
1.45 +
1.46 +class EvacuationInfo;
1.47 +class GCHeapSummary;
1.48 +class MetaspaceChunkFreeListSummary;
1.49 +class MetaspaceSummary;
1.50 +class PSHeapSummary;
1.51 +class ReferenceProcessorStats;
1.52 +class TimePartitions;
1.53 +class BoolObjectClosure;
1.54 +
1.55 +class SharedGCInfo VALUE_OBJ_CLASS_SPEC {
1.56 + public:
1.57 + static const GCId UNSET_GCID = (GCId)-1;
1.58 +
1.59 + private:
1.60 + GCId _id;
1.61 + GCName _name;
1.62 + GCCause::Cause _cause;
1.63 + Ticks _start_timestamp;
1.64 + Ticks _end_timestamp;
1.65 + Tickspan _sum_of_pauses;
1.66 + Tickspan _longest_pause;
1.67 +
1.68 + public:
1.69 + SharedGCInfo(GCName name) :
1.70 + _id(UNSET_GCID),
1.71 + _name(name),
1.72 + _cause(GCCause::_last_gc_cause),
1.73 + _start_timestamp(),
1.74 + _end_timestamp(),
1.75 + _sum_of_pauses(),
1.76 + _longest_pause() {
1.77 + }
1.78 +
1.79 + void set_id(GCId id) { _id = id; }
1.80 + GCId id() const { return _id; }
1.81 +
1.82 + void set_start_timestamp(const Ticks& timestamp) { _start_timestamp = timestamp; }
1.83 + const Ticks start_timestamp() const { return _start_timestamp; }
1.84 +
1.85 + void set_end_timestamp(const Ticks& timestamp) { _end_timestamp = timestamp; }
1.86 + const Ticks end_timestamp() const { return _end_timestamp; }
1.87 +
1.88 + void set_name(GCName name) { _name = name; }
1.89 + GCName name() const { return _name; }
1.90 +
1.91 + void set_cause(GCCause::Cause cause) { _cause = cause; }
1.92 + GCCause::Cause cause() const { return _cause; }
1.93 +
1.94 + void set_sum_of_pauses(const Tickspan& duration) { _sum_of_pauses = duration; }
1.95 + const Tickspan sum_of_pauses() const { return _sum_of_pauses; }
1.96 +
1.97 + void set_longest_pause(const Tickspan& duration) { _longest_pause = duration; }
1.98 + const Tickspan longest_pause() const { return _longest_pause; }
1.99 +};
1.100 +
1.101 +class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC {
1.102 + void* _dense_prefix;
1.103 + public:
1.104 + ParallelOldGCInfo() : _dense_prefix(NULL) {}
1.105 + void report_dense_prefix(void* addr) {
1.106 + _dense_prefix = addr;
1.107 + }
1.108 + void* dense_prefix() const { return _dense_prefix; }
1.109 +};
1.110 +
1.111 +#if INCLUDE_ALL_GCS
1.112 +
1.113 +class G1YoungGCInfo VALUE_OBJ_CLASS_SPEC {
1.114 + G1YCType _type;
1.115 + public:
1.116 + G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {}
1.117 + void set_type(G1YCType type) {
1.118 + _type = type;
1.119 + }
1.120 + G1YCType type() const { return _type; }
1.121 +};
1.122 +
1.123 +#endif // INCLUDE_ALL_GCS
1.124 +
1.125 +class GCTracer : public ResourceObj {
1.126 + protected:
1.127 + SharedGCInfo _shared_gc_info;
1.128 +
1.129 + public:
1.130 + void report_gc_start(GCCause::Cause cause, const Ticks& timestamp);
1.131 + void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions);
1.132 + void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
1.133 + void report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& metaspace_summary) const;
1.134 + void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
1.135 + void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
1.136 + bool has_reported_gc_start() const;
1.137 +
1.138 + protected:
1.139 + GCTracer(GCName name) : _shared_gc_info(name) {}
1.140 + virtual void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
1.141 + virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
1.142 +
1.143 + private:
1.144 + void send_garbage_collection_event() const;
1.145 + void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
1.146 + void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const;
1.147 + void send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, const MetaspaceChunkFreeListSummary& summary) const;
1.148 + void send_reference_stats_event(ReferenceType type, size_t count) const;
1.149 + void send_phase_events(TimePartitions* time_partitions) const;
1.150 +};
1.151 +
1.152 +class YoungGCTracer : public GCTracer {
1.153 + static const uint UNSET_TENURING_THRESHOLD = (uint) -1;
1.154 +
1.155 + uint _tenuring_threshold;
1.156 +
1.157 + protected:
1.158 + YoungGCTracer(GCName name) : GCTracer(name), _tenuring_threshold(UNSET_TENURING_THRESHOLD) {}
1.159 + virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
1.160 +
1.161 + public:
1.162 + void report_promotion_failed(const PromotionFailedInfo& pf_info);
1.163 + void report_tenuring_threshold(const uint tenuring_threshold);
1.164 +
1.165 + private:
1.166 + void send_young_gc_event() const;
1.167 + void send_promotion_failed_event(const PromotionFailedInfo& pf_info) const;
1.168 +};
1.169 +
1.170 +class OldGCTracer : public GCTracer {
1.171 + protected:
1.172 + OldGCTracer(GCName name) : GCTracer(name) {}
1.173 + virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
1.174 +
1.175 + public:
1.176 + void report_concurrent_mode_failure();
1.177 +
1.178 + private:
1.179 + void send_old_gc_event() const;
1.180 + void send_concurrent_mode_failure_event();
1.181 +};
1.182 +
1.183 +class ParallelOldTracer : public OldGCTracer {
1.184 + ParallelOldGCInfo _parallel_old_gc_info;
1.185 +
1.186 + public:
1.187 + ParallelOldTracer() : OldGCTracer(ParallelOld) {}
1.188 + void report_dense_prefix(void* dense_prefix);
1.189 +
1.190 + protected:
1.191 + void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
1.192 +
1.193 + private:
1.194 + void send_parallel_old_event() const;
1.195 +};
1.196 +
1.197 +class SerialOldTracer : public OldGCTracer {
1.198 + public:
1.199 + SerialOldTracer() : OldGCTracer(SerialOld) {}
1.200 +};
1.201 +
1.202 +class ParallelScavengeTracer : public YoungGCTracer {
1.203 + public:
1.204 + ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {}
1.205 +};
1.206 +
1.207 +class DefNewTracer : public YoungGCTracer {
1.208 + public:
1.209 + DefNewTracer() : YoungGCTracer(DefNew) {}
1.210 +};
1.211 +
1.212 +class ParNewTracer : public YoungGCTracer {
1.213 + public:
1.214 + ParNewTracer() : YoungGCTracer(ParNew) {}
1.215 +};
1.216 +
1.217 +#if INCLUDE_ALL_GCS
1.218 +class G1NewTracer : public YoungGCTracer {
1.219 + G1YoungGCInfo _g1_young_gc_info;
1.220 +
1.221 + public:
1.222 + G1NewTracer() : YoungGCTracer(G1New) {}
1.223 +
1.224 + void report_yc_type(G1YCType type);
1.225 + void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
1.226 + void report_evacuation_info(EvacuationInfo* info);
1.227 + void report_evacuation_failed(EvacuationFailedInfo& ef_info);
1.228 +
1.229 + private:
1.230 + void send_g1_young_gc_event();
1.231 + void send_evacuation_info_event(EvacuationInfo* info);
1.232 + void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const;
1.233 +};
1.234 +#endif
1.235 +
1.236 +class CMSTracer : public OldGCTracer {
1.237 + public:
1.238 + CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {}
1.239 +};
1.240 +
1.241 +class G1OldTracer : public OldGCTracer {
1.242 + public:
1.243 + G1OldTracer() : OldGCTracer(G1Old) {}
1.244 +};
1.245 +
1.246 +#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP
