Mercurial > hg > truffle
annotate src/share/vm/gc_implementation/shared/gcTrace.hpp @ 13400:86e6d691f2e1
8028128: Add a type safe alternative for working with counter based data
Reviewed-by: dholmes, egahlin
| author | mgronlun |
|---|---|
| date | Sat, 23 Nov 2013 12:25:13 +0100 |
| parents | 2cbc8f3011a0 |
| children | 9fdaa79b0c27 |
| rev | line source |
|---|---|
| 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 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP | |
| 26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP | |
| 27 | |
| 28 #include "gc_interface/gcCause.hpp" | |
| 29 #include "gc_interface/gcName.hpp" | |
| 30 #include "gc_implementation/shared/gcWhen.hpp" | |
| 31 #include "gc_implementation/shared/copyFailedInfo.hpp" | |
| 32 #include "memory/allocation.hpp" | |
| 33 #include "memory/referenceType.hpp" | |
| 34 #if INCLUDE_ALL_GCS | |
| 35 #include "gc_implementation/g1/g1YCTypes.hpp" | |
| 36 #endif | |
| 37 #include "utilities/macros.hpp" | |
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38 #include "utilities/ticks.hpp" |
| 10405 | 39 |
| 40 typedef uint GCId; | |
| 41 | |
| 42 class EvacuationInfo; | |
| 43 class GCHeapSummary; | |
| 44 class MetaspaceSummary; | |
| 45 class PSHeapSummary; | |
| 46 class ReferenceProcessorStats; | |
| 47 class TimePartitions; | |
| 48 class BoolObjectClosure; | |
| 49 | |
| 50 class SharedGCInfo VALUE_OBJ_CLASS_SPEC { | |
| 51 public: | |
| 52 static const GCId UNSET_GCID = (GCId)-1; | |
| 53 | |
| 54 private: | |
| 55 GCId _id; | |
| 56 GCName _name; | |
| 57 GCCause::Cause _cause; | |
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58 Ticks _start_timestamp; |
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59 Ticks _end_timestamp; |
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60 Tickspan _sum_of_pauses; |
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61 Tickspan _longest_pause; |
| 10405 | 62 |
| 63 public: | |
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64 SharedGCInfo(GCName name) : |
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65 _id(UNSET_GCID), |
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66 _name(name), |
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67 _cause(GCCause::_last_gc_cause), |
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68 _start_timestamp(), |
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69 _end_timestamp(), |
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70 _sum_of_pauses(), |
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71 _longest_pause() { |
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72 } |
| 10405 | 73 |
| 74 void set_id(GCId id) { _id = id; } | |
| 75 GCId id() const { return _id; } | |
| 76 | |
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77 void set_start_timestamp(const Ticks& timestamp) { _start_timestamp = timestamp; } |
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78 const Ticks start_timestamp() const { return _start_timestamp; } |
| 10405 | 79 |
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80 void set_end_timestamp(const Ticks& timestamp) { _end_timestamp = timestamp; } |
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81 const Ticks end_timestamp() const { return _end_timestamp; } |
| 10405 | 82 |
| 83 void set_name(GCName name) { _name = name; } | |
| 84 GCName name() const { return _name; } | |
| 85 | |
| 86 void set_cause(GCCause::Cause cause) { _cause = cause; } | |
| 87 GCCause::Cause cause() const { return _cause; } | |
| 88 | |
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89 void set_sum_of_pauses(const Tickspan& duration) { _sum_of_pauses = duration; } |
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90 const Tickspan sum_of_pauses() const { return _sum_of_pauses; } |
| 10405 | 91 |
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92 void set_longest_pause(const Tickspan& duration) { _longest_pause = duration; } |
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93 const Tickspan longest_pause() const { return _longest_pause; } |
| 10405 | 94 }; |
| 95 | |
| 96 class ParallelOldGCInfo VALUE_OBJ_CLASS_SPEC { | |
| 97 void* _dense_prefix; | |
| 98 public: | |
| 99 ParallelOldGCInfo() : _dense_prefix(NULL) {} | |
| 100 void report_dense_prefix(void* addr) { | |
| 101 _dense_prefix = addr; | |
| 102 } | |
| 103 void* dense_prefix() const { return _dense_prefix; } | |
| 104 }; | |
| 105 | |
| 106 #if INCLUDE_ALL_GCS | |
| 107 | |
| 108 class G1YoungGCInfo VALUE_OBJ_CLASS_SPEC { | |
| 109 G1YCType _type; | |
| 110 public: | |
| 111 G1YoungGCInfo() : _type(G1YCTypeEndSentinel) {} | |
| 112 void set_type(G1YCType type) { | |
| 113 _type = type; | |
| 114 } | |
| 115 G1YCType type() const { return _type; } | |
| 116 }; | |
| 117 | |
| 118 #endif // INCLUDE_ALL_GCS | |
| 119 | |
| 120 class GCTracer : public ResourceObj { | |
| 121 protected: | |
| 122 SharedGCInfo _shared_gc_info; | |
| 123 | |
| 124 public: | |
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125 void report_gc_start(GCCause::Cause cause, const Ticks& timestamp); |
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126 void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions); |
| 10405 | 127 void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const MetaspaceSummary& meta_space_summary) const; |
| 128 void report_gc_reference_stats(const ReferenceProcessorStats& rp) const; | |
| 129 void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN; | |
| 130 bool has_reported_gc_start() const; | |
| 131 | |
| 132 protected: | |
| 133 GCTracer(GCName name) : _shared_gc_info(name) {} | |
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134 virtual void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp); |
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135 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| 10405 | 136 |
| 137 private: | |
| 138 void send_garbage_collection_event() const; | |
| 139 void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const; | |
| 140 void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const; | |
| 141 void send_reference_stats_event(ReferenceType type, size_t count) const; | |
| 142 void send_phase_events(TimePartitions* time_partitions) const; | |
| 143 }; | |
| 144 | |
| 145 class YoungGCTracer : public GCTracer { | |
| 146 static const uint UNSET_TENURING_THRESHOLD = (uint) -1; | |
| 147 | |
| 148 uint _tenuring_threshold; | |
| 149 | |
| 150 protected: | |
| 151 YoungGCTracer(GCName name) : GCTracer(name), _tenuring_threshold(UNSET_TENURING_THRESHOLD) {} | |
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152 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| 10405 | 153 |
| 154 public: | |
| 155 void report_promotion_failed(const PromotionFailedInfo& pf_info); | |
| 156 void report_tenuring_threshold(const uint tenuring_threshold); | |
| 157 | |
| 158 private: | |
| 159 void send_young_gc_event() const; | |
| 160 void send_promotion_failed_event(const PromotionFailedInfo& pf_info) const; | |
| 161 }; | |
| 162 | |
| 163 class OldGCTracer : public GCTracer { | |
| 164 protected: | |
| 165 OldGCTracer(GCName name) : GCTracer(name) {} | |
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166 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| 10405 | 167 |
| 168 public: | |
| 169 void report_concurrent_mode_failure(); | |
| 170 | |
| 171 private: | |
| 172 void send_old_gc_event() const; | |
| 173 void send_concurrent_mode_failure_event(); | |
| 174 }; | |
| 175 | |
| 176 class ParallelOldTracer : public OldGCTracer { | |
| 177 ParallelOldGCInfo _parallel_old_gc_info; | |
| 178 | |
| 179 public: | |
| 180 ParallelOldTracer() : OldGCTracer(ParallelOld) {} | |
| 181 void report_dense_prefix(void* dense_prefix); | |
| 182 | |
| 183 protected: | |
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184 void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| 10405 | 185 |
| 186 private: | |
| 187 void send_parallel_old_event() const; | |
| 188 }; | |
| 189 | |
| 190 class SerialOldTracer : public OldGCTracer { | |
| 191 public: | |
| 192 SerialOldTracer() : OldGCTracer(SerialOld) {} | |
| 193 }; | |
| 194 | |
| 195 class ParallelScavengeTracer : public YoungGCTracer { | |
| 196 public: | |
| 197 ParallelScavengeTracer() : YoungGCTracer(ParallelScavenge) {} | |
| 198 }; | |
| 199 | |
| 200 class DefNewTracer : public YoungGCTracer { | |
| 201 public: | |
| 202 DefNewTracer() : YoungGCTracer(DefNew) {} | |
| 203 }; | |
| 204 | |
| 205 class ParNewTracer : public YoungGCTracer { | |
| 206 public: | |
| 207 ParNewTracer() : YoungGCTracer(ParNew) {} | |
| 208 }; | |
| 209 | |
| 210 #if INCLUDE_ALL_GCS | |
| 211 class G1NewTracer : public YoungGCTracer { | |
| 212 G1YoungGCInfo _g1_young_gc_info; | |
| 213 | |
| 214 public: | |
| 215 G1NewTracer() : YoungGCTracer(G1New) {} | |
| 216 | |
| 217 void report_yc_type(G1YCType type); | |
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218 void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions); |
| 10405 | 219 void report_evacuation_info(EvacuationInfo* info); |
| 220 void report_evacuation_failed(EvacuationFailedInfo& ef_info); | |
| 221 | |
| 222 private: | |
| 223 void send_g1_young_gc_event(); | |
| 224 void send_evacuation_info_event(EvacuationInfo* info); | |
| 225 void send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const; | |
| 226 }; | |
| 227 #endif | |
| 228 | |
| 229 class CMSTracer : public OldGCTracer { | |
| 230 public: | |
| 231 CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {} | |
| 232 }; | |
| 233 | |
| 234 class G1OldTracer : public OldGCTracer { | |
| 235 public: | |
| 236 G1OldTracer() : OldGCTracer(G1Old) {} | |
| 237 }; | |
| 238 | |
| 239 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACE_HPP |