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8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david
This commit is contained in:
Per Lidén
parent
042902811c
commit
4dc240f785
521 changed files with 2481 additions and 2573 deletions
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/*
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* Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "gc_implementation/shared/copyFailedInfo.hpp"
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#include "gc_implementation/shared/gcHeapSummary.hpp"
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#include "gc_implementation/shared/gcId.hpp"
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#include "gc_implementation/shared/gcTimer.hpp"
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#include "gc_implementation/shared/gcTrace.hpp"
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#include "gc_implementation/shared/objectCountEventSender.hpp"
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#include "memory/heapInspection.hpp"
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#include "memory/referenceProcessorStats.hpp"
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#include "memory/resourceArea.hpp"
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#include "runtime/os.hpp"
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#include "utilities/globalDefinitions.hpp"
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#include "utilities/macros.hpp"
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#include "utilities/ticks.inline.hpp"
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#if INCLUDE_ALL_GCS
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#include "gc_implementation/g1/evacuationInfo.hpp"
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#endif
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#define assert_unset_gc_id() assert(_shared_gc_info.gc_id().is_undefined(), "GC already started?")
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#define assert_set_gc_id() assert(!_shared_gc_info.gc_id().is_undefined(), "GC not started?")
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void GCTracer::report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp) {
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assert_unset_gc_id();
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GCId gc_id = GCId::create();
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_shared_gc_info.set_gc_id(gc_id);
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_shared_gc_info.set_cause(cause);
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_shared_gc_info.set_start_timestamp(timestamp);
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}
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void GCTracer::report_gc_start(GCCause::Cause cause, const Ticks& timestamp) {
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assert_unset_gc_id();
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report_gc_start_impl(cause, timestamp);
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}
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bool GCTracer::has_reported_gc_start() const {
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return !_shared_gc_info.gc_id().is_undefined();
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}
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void GCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) {
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assert_set_gc_id();
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_shared_gc_info.set_sum_of_pauses(time_partitions->sum_of_pauses());
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_shared_gc_info.set_longest_pause(time_partitions->longest_pause());
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_shared_gc_info.set_end_timestamp(timestamp);
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send_phase_events(time_partitions);
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send_garbage_collection_event();
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}
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void GCTracer::report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions) {
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assert_set_gc_id();
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report_gc_end_impl(timestamp, time_partitions);
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_shared_gc_info.set_gc_id(GCId::undefined());
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}
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void GCTracer::report_gc_reference_stats(const ReferenceProcessorStats& rps) const {
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assert_set_gc_id();
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send_reference_stats_event(REF_SOFT, rps.soft_count());
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send_reference_stats_event(REF_WEAK, rps.weak_count());
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send_reference_stats_event(REF_FINAL, rps.final_count());
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send_reference_stats_event(REF_PHANTOM, rps.phantom_count());
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}
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#if INCLUDE_SERVICES
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class ObjectCountEventSenderClosure : public KlassInfoClosure {
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const GCId _gc_id;
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const double _size_threshold_percentage;
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const size_t _total_size_in_words;
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const Ticks _timestamp;
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public:
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ObjectCountEventSenderClosure(GCId gc_id, size_t total_size_in_words, const Ticks& timestamp) :
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_gc_id(gc_id),
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_size_threshold_percentage(ObjectCountCutOffPercent / 100),
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_total_size_in_words(total_size_in_words),
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_timestamp(timestamp)
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{}
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virtual void do_cinfo(KlassInfoEntry* entry) {
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if (should_send_event(entry)) {
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ObjectCountEventSender::send(entry, _gc_id, _timestamp);
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}
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}
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private:
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bool should_send_event(const KlassInfoEntry* entry) const {
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double percentage_of_heap = ((double) entry->words()) / _total_size_in_words;
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return percentage_of_heap >= _size_threshold_percentage;
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}
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};
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void GCTracer::report_object_count_after_gc(BoolObjectClosure* is_alive_cl) {
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assert_set_gc_id();
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assert(is_alive_cl != NULL, "Must supply function to check liveness");
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if (ObjectCountEventSender::should_send_event()) {
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ResourceMark rm;
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KlassInfoTable cit(false);
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if (!cit.allocation_failed()) {
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HeapInspection hi(false, false, false, NULL);
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hi.populate_table(&cit, is_alive_cl);
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ObjectCountEventSenderClosure event_sender(_shared_gc_info.gc_id(), cit.size_of_instances_in_words(), Ticks::now());
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cit.iterate(&event_sender);
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}
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}
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}
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#endif // INCLUDE_SERVICES
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void GCTracer::report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const {
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assert_set_gc_id();
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send_gc_heap_summary_event(when, heap_summary);
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}
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void GCTracer::report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& summary) const {
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assert_set_gc_id();
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send_meta_space_summary_event(when, summary);
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send_metaspace_chunk_free_list_summary(when, Metaspace::NonClassType, summary.metaspace_chunk_free_list_summary());
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if (UseCompressedClassPointers) {
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send_metaspace_chunk_free_list_summary(when, Metaspace::ClassType, summary.class_chunk_free_list_summary());
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}
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}
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void YoungGCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) {
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assert_set_gc_id();
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assert(_tenuring_threshold != UNSET_TENURING_THRESHOLD, "Tenuring threshold has not been reported");
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GCTracer::report_gc_end_impl(timestamp, time_partitions);
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send_young_gc_event();
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_tenuring_threshold = UNSET_TENURING_THRESHOLD;
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}
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void YoungGCTracer::report_promotion_failed(const PromotionFailedInfo& pf_info) const {
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assert_set_gc_id();
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send_promotion_failed_event(pf_info);
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}
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void YoungGCTracer::report_tenuring_threshold(const uint tenuring_threshold) {
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_tenuring_threshold = tenuring_threshold;
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}
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bool YoungGCTracer::should_report_promotion_in_new_plab_event() const {
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return should_send_promotion_in_new_plab_event();
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}
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bool YoungGCTracer::should_report_promotion_outside_plab_event() const {
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return should_send_promotion_outside_plab_event();
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}
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void YoungGCTracer::report_promotion_in_new_plab_event(Klass* klass, size_t obj_size,
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uint age, bool tenured,
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size_t plab_size) const {
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assert_set_gc_id();
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send_promotion_in_new_plab_event(klass, obj_size, age, tenured, plab_size);
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}
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void YoungGCTracer::report_promotion_outside_plab_event(Klass* klass, size_t obj_size,
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uint age, bool tenured) const {
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assert_set_gc_id();
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send_promotion_outside_plab_event(klass, obj_size, age, tenured);
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}
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void OldGCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) {
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assert_set_gc_id();
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GCTracer::report_gc_end_impl(timestamp, time_partitions);
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send_old_gc_event();
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}
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void ParallelOldTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) {
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assert_set_gc_id();
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OldGCTracer::report_gc_end_impl(timestamp, time_partitions);
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send_parallel_old_event();
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}
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void ParallelOldTracer::report_dense_prefix(void* dense_prefix) {
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assert_set_gc_id();
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_parallel_old_gc_info.report_dense_prefix(dense_prefix);
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}
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void OldGCTracer::report_concurrent_mode_failure() {
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assert_set_gc_id();
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send_concurrent_mode_failure_event();
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}
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#if INCLUDE_ALL_GCS
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void G1NewTracer::report_yc_type(G1YCType type) {
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assert_set_gc_id();
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_g1_young_gc_info.set_type(type);
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}
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void G1NewTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) {
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assert_set_gc_id();
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YoungGCTracer::report_gc_end_impl(timestamp, time_partitions);
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send_g1_young_gc_event();
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}
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void G1NewTracer::report_evacuation_info(EvacuationInfo* info) {
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assert_set_gc_id();
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send_evacuation_info_event(info);
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}
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void G1NewTracer::report_evacuation_failed(EvacuationFailedInfo& ef_info) {
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assert_set_gc_id();
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send_evacuation_failed_event(ef_info);
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ef_info.reset();
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}
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#endif
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