| /* |
| * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "precompiled.hpp" |
| #include "gc/shared/copyFailedInfo.hpp" |
| #include "gc/shared/gcHeapSummary.hpp" |
| #include "gc/shared/gcId.hpp" |
| #include "gc/shared/gcTimer.hpp" |
| #include "gc/shared/gcTrace.hpp" |
| #include "gc/shared/objectCountEventSender.hpp" |
| #include "gc/shared/referenceProcessorStats.hpp" |
| #include "memory/heapInspection.hpp" |
| #include "memory/resourceArea.hpp" |
| #include "runtime/os.hpp" |
| #include "utilities/globalDefinitions.hpp" |
| #include "utilities/macros.hpp" |
| #include "utilities/ticks.inline.hpp" |
| #if INCLUDE_ALL_GCS |
| #include "gc/g1/evacuationInfo.hpp" |
| #endif |
| |
| void GCTracer::report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp) { |
| _shared_gc_info.set_cause(cause); |
| _shared_gc_info.set_start_timestamp(timestamp); |
| } |
| |
| void GCTracer::report_gc_start(GCCause::Cause cause, const Ticks& timestamp) { |
| report_gc_start_impl(cause, timestamp); |
| } |
| |
| void GCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { |
| _shared_gc_info.set_sum_of_pauses(time_partitions->sum_of_pauses()); |
| _shared_gc_info.set_longest_pause(time_partitions->longest_pause()); |
| _shared_gc_info.set_end_timestamp(timestamp); |
| |
| send_phase_events(time_partitions); |
| send_garbage_collection_event(); |
| } |
| |
| void GCTracer::report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions) { |
| report_gc_end_impl(timestamp, time_partitions); |
| } |
| |
| void GCTracer::report_gc_reference_stats(const ReferenceProcessorStats& rps) const { |
| send_reference_stats_event(REF_SOFT, rps.soft_count()); |
| send_reference_stats_event(REF_WEAK, rps.weak_count()); |
| send_reference_stats_event(REF_FINAL, rps.final_count()); |
| send_reference_stats_event(REF_PHANTOM, rps.phantom_count()); |
| } |
| |
| #if INCLUDE_SERVICES |
| class ObjectCountEventSenderClosure : public KlassInfoClosure { |
| const double _size_threshold_percentage; |
| const size_t _total_size_in_words; |
| const Ticks _timestamp; |
| |
| public: |
| ObjectCountEventSenderClosure(size_t total_size_in_words, const Ticks& timestamp) : |
| _size_threshold_percentage(ObjectCountCutOffPercent / 100), |
| _total_size_in_words(total_size_in_words), |
| _timestamp(timestamp) |
| {} |
| |
| virtual void do_cinfo(KlassInfoEntry* entry) { |
| if (should_send_event(entry)) { |
| ObjectCountEventSender::send(entry, _timestamp); |
| } |
| } |
| |
| private: |
| bool should_send_event(const KlassInfoEntry* entry) const { |
| double percentage_of_heap = ((double) entry->words()) / _total_size_in_words; |
| return percentage_of_heap >= _size_threshold_percentage; |
| } |
| }; |
| |
| void GCTracer::report_object_count_after_gc(BoolObjectClosure* is_alive_cl) { |
| assert(is_alive_cl != NULL, "Must supply function to check liveness"); |
| |
| if (ObjectCountEventSender::should_send_event()) { |
| ResourceMark rm; |
| |
| KlassInfoTable cit(false); |
| if (!cit.allocation_failed()) { |
| HeapInspection hi(false, false, false, NULL); |
| hi.populate_table(&cit, is_alive_cl); |
| ObjectCountEventSenderClosure event_sender(cit.size_of_instances_in_words(), Ticks::now()); |
| cit.iterate(&event_sender); |
| } |
| } |
| } |
| #endif // INCLUDE_SERVICES |
| |
| void GCTracer::report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const { |
| send_gc_heap_summary_event(when, heap_summary); |
| } |
| |
| void GCTracer::report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& summary) const { |
| send_meta_space_summary_event(when, summary); |
| |
| send_metaspace_chunk_free_list_summary(when, Metaspace::NonClassType, summary.metaspace_chunk_free_list_summary()); |
| if (UseCompressedClassPointers) { |
| send_metaspace_chunk_free_list_summary(when, Metaspace::ClassType, summary.class_chunk_free_list_summary()); |
| } |
| } |
| |
| void YoungGCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { |
| assert(_tenuring_threshold != UNSET_TENURING_THRESHOLD, "Tenuring threshold has not been reported"); |
| |
| GCTracer::report_gc_end_impl(timestamp, time_partitions); |
| send_young_gc_event(); |
| |
| _tenuring_threshold = UNSET_TENURING_THRESHOLD; |
| } |
| |
| void YoungGCTracer::report_promotion_failed(const PromotionFailedInfo& pf_info) const { |
| send_promotion_failed_event(pf_info); |
| } |
| |
| void YoungGCTracer::report_tenuring_threshold(const uint tenuring_threshold) { |
| _tenuring_threshold = tenuring_threshold; |
| } |
| |
| bool YoungGCTracer::should_report_promotion_events() const { |
| return should_report_promotion_in_new_plab_event() || |
| should_report_promotion_outside_plab_event(); |
| } |
| |
| bool YoungGCTracer::should_report_promotion_in_new_plab_event() const { |
| return should_send_promotion_in_new_plab_event(); |
| } |
| |
| bool YoungGCTracer::should_report_promotion_outside_plab_event() const { |
| return should_send_promotion_outside_plab_event(); |
| } |
| |
| void YoungGCTracer::report_promotion_in_new_plab_event(Klass* klass, size_t obj_size, |
| uint age, bool tenured, |
| size_t plab_size) const { |
| send_promotion_in_new_plab_event(klass, obj_size, age, tenured, plab_size); |
| } |
| |
| void YoungGCTracer::report_promotion_outside_plab_event(Klass* klass, size_t obj_size, |
| uint age, bool tenured) const { |
| send_promotion_outside_plab_event(klass, obj_size, age, tenured); |
| } |
| |
| void OldGCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { |
| GCTracer::report_gc_end_impl(timestamp, time_partitions); |
| send_old_gc_event(); |
| } |
| |
| void ParallelOldTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { |
| OldGCTracer::report_gc_end_impl(timestamp, time_partitions); |
| send_parallel_old_event(); |
| } |
| |
| void ParallelOldTracer::report_dense_prefix(void* dense_prefix) { |
| _parallel_old_gc_info.report_dense_prefix(dense_prefix); |
| } |
| |
| void OldGCTracer::report_concurrent_mode_failure() { |
| send_concurrent_mode_failure_event(); |
| } |
| |
| #if INCLUDE_ALL_GCS |
| void G1MMUTracer::report_mmu(double timeSlice, double gcTime, double maxTime) { |
| send_g1_mmu_event(timeSlice, gcTime, maxTime); |
| } |
| |
| void G1NewTracer::report_yc_type(G1YCType type) { |
| _g1_young_gc_info.set_type(type); |
| } |
| |
| void G1NewTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) { |
| YoungGCTracer::report_gc_end_impl(timestamp, time_partitions); |
| send_g1_young_gc_event(); |
| } |
| |
| void G1NewTracer::report_evacuation_info(EvacuationInfo* info) { |
| send_evacuation_info_event(info); |
| } |
| |
| void G1NewTracer::report_evacuation_failed(EvacuationFailedInfo& ef_info) { |
| send_evacuation_failed_event(ef_info); |
| ef_info.reset(); |
| } |
| |
| void G1NewTracer::report_evacuation_statistics(const G1EvacSummary& young_summary, const G1EvacSummary& old_summary) const { |
| send_young_evacuation_statistics(young_summary); |
| send_old_evacuation_statistics(old_summary); |
| } |
| |
| void G1NewTracer::report_basic_ihop_statistics(size_t threshold, |
| size_t target_ccupancy, |
| size_t current_occupancy, |
| size_t last_allocation_size, |
| double last_allocation_duration, |
| double last_marking_length) { |
| send_basic_ihop_statistics(threshold, |
| target_ccupancy, |
| current_occupancy, |
| last_allocation_size, |
| last_allocation_duration, |
| last_marking_length); |
| } |
| |
| void G1NewTracer::report_adaptive_ihop_statistics(size_t threshold, |
| size_t internal_target_occupancy, |
| size_t current_occupancy, |
| size_t additional_buffer_size, |
| double predicted_allocation_rate, |
| double predicted_marking_length, |
| bool prediction_active) { |
| send_adaptive_ihop_statistics(threshold, |
| internal_target_occupancy, |
| additional_buffer_size, |
| current_occupancy, |
| predicted_allocation_rate, |
| predicted_marking_length, |
| prediction_active); |
| } |
| |
| void G1OldTracer::report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp) { |
| _shared_gc_info.set_start_timestamp(timestamp); |
| } |
| |
| void G1OldTracer::set_gc_cause(GCCause::Cause cause) { |
| _shared_gc_info.set_cause(cause); |
| } |
| |
| #endif |