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/copyFailedInfo.hpp" 27 #include "gc_implementation/shared/gcHeapSummary.hpp" 28 #include "gc_implementation/shared/gcTimer.hpp" 29 #include "gc_implementation/shared/gcTrace.hpp" 30 #include "gc_implementation/shared/objectCountEventSender.hpp" 31 #include "memory/heapInspection.hpp" 32 #include "memory/referenceProcessorStats.hpp" 33 #include "runtime/os.hpp" 34 #include "utilities/globalDefinitions.hpp" 35 36 #if INCLUDE_ALL_GCS 37 #include "gc_implementation/g1/evacuationInfo.hpp" 38 #endif 39 40 #define assert_unset_gc_id() assert(_shared_gc_info.id() == SharedGCInfo::UNSET_GCID, "GC already started?") 41 #define assert_set_gc_id() assert(_shared_gc_info.id() != SharedGCInfo::UNSET_GCID, "GC not started?") 42 43 static GCId GCTracer_next_gc_id = 0; 44 static GCId create_new_gc_id() { 45 return GCTracer_next_gc_id++; 46 } 47 48 void GCTracer::report_gc_start_impl(GCCause::Cause cause, jlong timestamp) { 49 assert_unset_gc_id(); 50 51 GCId gc_id = create_new_gc_id(); 52 _shared_gc_info.set_id(gc_id); 53 _shared_gc_info.set_cause(cause); 54 _shared_gc_info.set_start_timestamp(timestamp); 55 } 56 57 void GCTracer::report_gc_start(GCCause::Cause cause, jlong timestamp) { 58 assert_unset_gc_id(); 59 60 report_gc_start_impl(cause, timestamp); 61 } 62 63 bool GCTracer::has_reported_gc_start() const { 64 return _shared_gc_info.id() != SharedGCInfo::UNSET_GCID; 65 } 66 67 void GCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { 68 assert_set_gc_id(); 69 70 _shared_gc_info.set_sum_of_pauses(time_partitions->sum_of_pauses()); 71 _shared_gc_info.set_longest_pause(time_partitions->longest_pause()); 72 _shared_gc_info.set_end_timestamp(timestamp); 73 74 send_phase_events(time_partitions); 75 send_garbage_collection_event(); 76 } 77 78 void GCTracer::report_gc_end(jlong timestamp, TimePartitions* time_partitions) { 79 assert_set_gc_id(); 80 81 report_gc_end_impl(timestamp, time_partitions); 82 83 _shared_gc_info.set_id(SharedGCInfo::UNSET_GCID); 84 } 85 86 void GCTracer::report_gc_reference_stats(const ReferenceProcessorStats& rps) const { 87 assert_set_gc_id(); 88 89 send_reference_stats_event(REF_SOFT, rps.soft_count()); 90 send_reference_stats_event(REF_WEAK, rps.weak_count()); 91 send_reference_stats_event(REF_FINAL, rps.final_count()); 92 send_reference_stats_event(REF_PHANTOM, rps.phantom_count()); 93 } 94 95 #if INCLUDE_SERVICES 96 class ObjectCountEventSenderClosure : public KlassInfoClosure { 97 const GCId _gc_id; 98 const double _size_threshold_percentage; 99 const size_t _total_size_in_words; 100 const jlong _timestamp; 101 102 public: 103 ObjectCountEventSenderClosure(GCId gc_id, size_t total_size_in_words, jlong timestamp) : 104 _gc_id(gc_id), 105 _size_threshold_percentage(ObjectCountCutOffPercent / 100), 106 _total_size_in_words(total_size_in_words), 107 _timestamp(timestamp) 108 {} 109 110 virtual void do_cinfo(KlassInfoEntry* entry) { 111 if (should_send_event(entry)) { 112 ObjectCountEventSender::send(entry, _gc_id, _timestamp); 113 } 114 } 115 116 private: 117 bool should_send_event(const KlassInfoEntry* entry) const { 118 double percentage_of_heap = ((double) entry->words()) / _total_size_in_words; 119 return percentage_of_heap >= _size_threshold_percentage; 120 } 121 }; 122 123 void GCTracer::report_object_count_after_gc(BoolObjectClosure* is_alive_cl) { 124 assert_set_gc_id(); 125 assert(is_alive_cl != NULL, "Must supply function to check liveness"); 126 127 if (ObjectCountEventSender::should_send_event()) { 128 ResourceMark rm; 129 130 KlassInfoTable cit(false); 131 if (!cit.allocation_failed()) { 132 HeapInspection hi(false, false, false, NULL); 133 hi.populate_table(&cit, is_alive_cl); 134 135 jlong timestamp = os::elapsed_counter(); 136 ObjectCountEventSenderClosure event_sender(_shared_gc_info.id(), cit.size_of_instances_in_words(), timestamp); 137 cit.iterate(&event_sender); 138 } 139 } 140 } 141 #endif // INCLUDE_SERVICES 142 143 void GCTracer::report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const MetaspaceSummary& meta_space_summary) const { 144 assert_set_gc_id(); 145 146 send_gc_heap_summary_event(when, heap_summary); 147 send_meta_space_summary_event(when, meta_space_summary); 148 } 149 150 void YoungGCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { 151 assert_set_gc_id(); 152 assert(_tenuring_threshold != UNSET_TENURING_THRESHOLD, "Tenuring threshold has not been reported"); 153 154 GCTracer::report_gc_end_impl(timestamp, time_partitions); 155 send_young_gc_event(); 156 157 _tenuring_threshold = UNSET_TENURING_THRESHOLD; 158 } 159 160 void YoungGCTracer::report_promotion_failed(const PromotionFailedInfo& pf_info) { 161 assert_set_gc_id(); 162 163 send_promotion_failed_event(pf_info); 164 } 165 166 void YoungGCTracer::report_tenuring_threshold(const uint tenuring_threshold) { 167 _tenuring_threshold = tenuring_threshold; 168 } 169 170 void OldGCTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { 171 assert_set_gc_id(); 172 173 GCTracer::report_gc_end_impl(timestamp, time_partitions); 174 send_old_gc_event(); 175 } 176 177 void ParallelOldTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { 178 assert_set_gc_id(); 179 180 OldGCTracer::report_gc_end_impl(timestamp, time_partitions); 181 send_parallel_old_event(); 182 } 183 184 void ParallelOldTracer::report_dense_prefix(void* dense_prefix) { 185 assert_set_gc_id(); 186 187 _parallel_old_gc_info.report_dense_prefix(dense_prefix); 188 } 189 190 void OldGCTracer::report_concurrent_mode_failure() { 191 assert_set_gc_id(); 192 193 send_concurrent_mode_failure_event(); 194 } 195 196 #if INCLUDE_ALL_GCS 197 void G1NewTracer::report_yc_type(G1YCType type) { 198 assert_set_gc_id(); 199 200 _g1_young_gc_info.set_type(type); 201 } 202 203 void G1NewTracer::report_gc_end_impl(jlong timestamp, TimePartitions* time_partitions) { 204 assert_set_gc_id(); 205 206 YoungGCTracer::report_gc_end_impl(timestamp, time_partitions); 207 send_g1_young_gc_event(); 208 } 209 210 void G1NewTracer::report_evacuation_info(EvacuationInfo* info) { 211 assert_set_gc_id(); 212 213 send_evacuation_info_event(info); 214 } 215 216 void G1NewTracer::report_evacuation_failed(EvacuationFailedInfo& ef_info) { 217 assert_set_gc_id(); 218 219 send_evacuation_failed_event(ef_info); 220 ef_info.reset(); 221 } 222 #endif | 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/copyFailedInfo.hpp" 27 #include "gc_implementation/shared/gcHeapSummary.hpp" 28 #include "gc_implementation/shared/gcTimer.hpp" 29 #include "gc_implementation/shared/gcTrace.hpp" 30 #include "gc_implementation/shared/objectCountEventSender.hpp" 31 #include "memory/heapInspection.hpp" 32 #include "memory/referenceProcessorStats.hpp" 33 #include "runtime/os.hpp" 34 #include "utilities/globalDefinitions.hpp" 35 #include "utilities/ticks.inline.hpp" 36 37 #if INCLUDE_ALL_GCS 38 #include "gc_implementation/g1/evacuationInfo.hpp" 39 #endif 40 41 #define assert_unset_gc_id() assert(_shared_gc_info.id() == SharedGCInfo::UNSET_GCID, "GC already started?") 42 #define assert_set_gc_id() assert(_shared_gc_info.id() != SharedGCInfo::UNSET_GCID, "GC not started?") 43 44 static GCId GCTracer_next_gc_id = 0; 45 static GCId create_new_gc_id() { 46 return GCTracer_next_gc_id++; 47 } 48 49 void GCTracer::report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp) { 50 assert_unset_gc_id(); 51 52 GCId gc_id = create_new_gc_id(); 53 _shared_gc_info.set_id(gc_id); 54 _shared_gc_info.set_cause(cause); 55 _shared_gc_info.set_start_timestamp(timestamp); 56 } 57 58 void GCTracer::report_gc_start(GCCause::Cause cause, const Ticks& timestamp) { 59 assert_unset_gc_id(); 60 61 report_gc_start_impl(cause, timestamp); 62 } 63 64 bool GCTracer::has_reported_gc_start() const { 65 return _shared_gc_info.id() != SharedGCInfo::UNSET_GCID; 66 } 67 68 void GCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { 69 assert_set_gc_id(); 70 71 _shared_gc_info.set_sum_of_pauses(time_partitions->sum_of_pauses()); 72 _shared_gc_info.set_longest_pause(time_partitions->longest_pause()); 73 _shared_gc_info.set_end_timestamp(timestamp); 74 75 send_phase_events(time_partitions); 76 send_garbage_collection_event(); 77 } 78 79 void GCTracer::report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions) { 80 assert_set_gc_id(); 81 82 report_gc_end_impl(timestamp, time_partitions); 83 84 _shared_gc_info.set_id(SharedGCInfo::UNSET_GCID); 85 } 86 87 void GCTracer::report_gc_reference_stats(const ReferenceProcessorStats& rps) const { 88 assert_set_gc_id(); 89 90 send_reference_stats_event(REF_SOFT, rps.soft_count()); 91 send_reference_stats_event(REF_WEAK, rps.weak_count()); 92 send_reference_stats_event(REF_FINAL, rps.final_count()); 93 send_reference_stats_event(REF_PHANTOM, rps.phantom_count()); 94 } 95 96 #if INCLUDE_SERVICES 97 class ObjectCountEventSenderClosure : public KlassInfoClosure { 98 const GCId _gc_id; 99 const double _size_threshold_percentage; 100 const size_t _total_size_in_words; 101 const Ticks _timestamp; 102 103 public: 104 ObjectCountEventSenderClosure(GCId gc_id, size_t total_size_in_words, const Ticks& timestamp) : 105 _gc_id(gc_id), 106 _size_threshold_percentage(ObjectCountCutOffPercent / 100), 107 _total_size_in_words(total_size_in_words), 108 _timestamp(timestamp) 109 {} 110 111 virtual void do_cinfo(KlassInfoEntry* entry) { 112 if (should_send_event(entry)) { 113 ObjectCountEventSender::send(entry, _gc_id, _timestamp); 114 } 115 } 116 117 private: 118 bool should_send_event(const KlassInfoEntry* entry) const { 119 double percentage_of_heap = ((double) entry->words()) / _total_size_in_words; 120 return percentage_of_heap >= _size_threshold_percentage; 121 } 122 }; 123 124 void GCTracer::report_object_count_after_gc(BoolObjectClosure* is_alive_cl) { 125 assert_set_gc_id(); 126 assert(is_alive_cl != NULL, "Must supply function to check liveness"); 127 128 if (ObjectCountEventSender::should_send_event()) { 129 ResourceMark rm; 130 131 KlassInfoTable cit(false); 132 if (!cit.allocation_failed()) { 133 HeapInspection hi(false, false, false, NULL); 134 hi.populate_table(&cit, is_alive_cl); 135 ObjectCountEventSenderClosure event_sender(_shared_gc_info.id(), cit.size_of_instances_in_words(), Ticks::now()); 136 cit.iterate(&event_sender); 137 } 138 } 139 } 140 #endif // INCLUDE_SERVICES 141 142 void GCTracer::report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const MetaspaceSummary& meta_space_summary) const { 143 assert_set_gc_id(); 144 145 send_gc_heap_summary_event(when, heap_summary); 146 send_meta_space_summary_event(when, meta_space_summary); 147 } 148 149 void YoungGCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { 150 assert_set_gc_id(); 151 assert(_tenuring_threshold != UNSET_TENURING_THRESHOLD, "Tenuring threshold has not been reported"); 152 153 GCTracer::report_gc_end_impl(timestamp, time_partitions); 154 send_young_gc_event(); 155 156 _tenuring_threshold = UNSET_TENURING_THRESHOLD; 157 } 158 159 void YoungGCTracer::report_promotion_failed(const PromotionFailedInfo& pf_info) { 160 assert_set_gc_id(); 161 162 send_promotion_failed_event(pf_info); 163 } 164 165 void YoungGCTracer::report_tenuring_threshold(const uint tenuring_threshold) { 166 _tenuring_threshold = tenuring_threshold; 167 } 168 169 void OldGCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { 170 assert_set_gc_id(); 171 172 GCTracer::report_gc_end_impl(timestamp, time_partitions); 173 send_old_gc_event(); 174 } 175 176 void ParallelOldTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { 177 assert_set_gc_id(); 178 179 OldGCTracer::report_gc_end_impl(timestamp, time_partitions); 180 send_parallel_old_event(); 181 } 182 183 void ParallelOldTracer::report_dense_prefix(void* dense_prefix) { 184 assert_set_gc_id(); 185 186 _parallel_old_gc_info.report_dense_prefix(dense_prefix); 187 } 188 189 void OldGCTracer::report_concurrent_mode_failure() { 190 assert_set_gc_id(); 191 192 send_concurrent_mode_failure_event(); 193 } 194 195 #if INCLUDE_ALL_GCS 196 void G1NewTracer::report_yc_type(G1YCType type) { 197 assert_set_gc_id(); 198 199 _g1_young_gc_info.set_type(type); 200 } 201 202 void G1NewTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { 203 assert_set_gc_id(); 204 205 YoungGCTracer::report_gc_end_impl(timestamp, time_partitions); 206 send_g1_young_gc_event(); 207 } 208 209 void G1NewTracer::report_evacuation_info(EvacuationInfo* info) { 210 assert_set_gc_id(); 211 212 send_evacuation_info_event(info); 213 } 214 215 void G1NewTracer::report_evacuation_failed(EvacuationFailedInfo& ef_info) { 216 assert_set_gc_id(); 217 218 send_evacuation_failed_event(ef_info); 219 ef_info.reset(); 220 } 221 #endif |