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/*
* Copyright (c) 2012, 2022, 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.hpp"
bool GCTracer::should_report_cpu_time_event() const {
return should_send_cpu_time_event();
}
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_cpu_time_event(double user_time, double system_time, double real_time) const {
send_cpu_time_event(user_time, system_time, real_time);
}
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;
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();
}
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