--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/shared/gcTrace.cpp Wed May 13 15:16:06 2015 +0200
@@ -0,0 +1,249 @@
+/*
+ * Copyright (c) 2012, 2015, 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
+
+#define assert_unset_gc_id() assert(_shared_gc_info.gc_id().is_undefined(), "GC already started?")
+#define assert_set_gc_id() assert(!_shared_gc_info.gc_id().is_undefined(), "GC not started?")
+
+void GCTracer::report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp) {
+ assert_unset_gc_id();
+
+ GCId gc_id = GCId::create();
+ _shared_gc_info.set_gc_id(gc_id);
+ _shared_gc_info.set_cause(cause);
+ _shared_gc_info.set_start_timestamp(timestamp);
+}
+
+void GCTracer::report_gc_start(GCCause::Cause cause, const Ticks& timestamp) {
+ assert_unset_gc_id();
+
+ report_gc_start_impl(cause, timestamp);
+}
+
+bool GCTracer::has_reported_gc_start() const {
+ return !_shared_gc_info.gc_id().is_undefined();
+}
+
+void GCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) {
+ assert_set_gc_id();
+
+ _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) {
+ assert_set_gc_id();
+
+ report_gc_end_impl(timestamp, time_partitions);
+
+ _shared_gc_info.set_gc_id(GCId::undefined());
+}
+
+void GCTracer::report_gc_reference_stats(const ReferenceProcessorStats& rps) const {
+ assert_set_gc_id();
+
+ 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 GCId _gc_id;
+ const double _size_threshold_percentage;
+ const size_t _total_size_in_words;
+ const Ticks _timestamp;
+
+ public:
+ ObjectCountEventSenderClosure(GCId gc_id, size_t total_size_in_words, const Ticks& timestamp) :
+ _gc_id(gc_id),
+ _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, _gc_id, _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_set_gc_id();
+ 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(_shared_gc_info.gc_id(), 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 {
+ assert_set_gc_id();
+
+ send_gc_heap_summary_event(when, heap_summary);
+}
+
+void GCTracer::report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& summary) const {
+ assert_set_gc_id();
+
+ 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_set_gc_id();
+ 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 {
+ assert_set_gc_id();
+
+ send_promotion_failed_event(pf_info);
+}
+
+void YoungGCTracer::report_tenuring_threshold(const uint tenuring_threshold) {
+ _tenuring_threshold = tenuring_threshold;
+}
+
+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 {
+ assert_set_gc_id();
+ 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 {
+ assert_set_gc_id();
+ send_promotion_outside_plab_event(klass, obj_size, age, tenured);
+}
+
+void OldGCTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) {
+ assert_set_gc_id();
+
+ GCTracer::report_gc_end_impl(timestamp, time_partitions);
+ send_old_gc_event();
+}
+
+void ParallelOldTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) {
+ assert_set_gc_id();
+
+ OldGCTracer::report_gc_end_impl(timestamp, time_partitions);
+ send_parallel_old_event();
+}
+
+void ParallelOldTracer::report_dense_prefix(void* dense_prefix) {
+ assert_set_gc_id();
+
+ _parallel_old_gc_info.report_dense_prefix(dense_prefix);
+}
+
+void OldGCTracer::report_concurrent_mode_failure() {
+ assert_set_gc_id();
+
+ send_concurrent_mode_failure_event();
+}
+
+#if INCLUDE_ALL_GCS
+void G1NewTracer::report_yc_type(G1YCType type) {
+ assert_set_gc_id();
+
+ _g1_young_gc_info.set_type(type);
+}
+
+void G1NewTracer::report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions) {
+ assert_set_gc_id();
+
+ YoungGCTracer::report_gc_end_impl(timestamp, time_partitions);
+ send_g1_young_gc_event();
+}
+
+void G1NewTracer::report_evacuation_info(EvacuationInfo* info) {
+ assert_set_gc_id();
+
+ send_evacuation_info_event(info);
+}
+
+void G1NewTracer::report_evacuation_failed(EvacuationFailedInfo& ef_info) {
+ assert_set_gc_id();
+
+ send_evacuation_failed_event(ef_info);
+ ef_info.reset();
+}
+#endif