1 files changed, 207 insertions, 0 deletions
diff --git a/src/share/vm/gc_implementation/shared/gcTrace.cpp b/src/share/vm/gc_implementation/shared/gcTrace.cpp
new file mode 100644
index 000000000..6c5367042
--- /dev/null
+++ b/src/share/vm/gc_implementation/shared/gcTrace.cpp
@@ -0,0 +1,207 @@
+/*
+ * Copyright (c) 2012, 2013, 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_implementation/shared/gcHeapSummary.hpp"
+#include "gc_implementation/shared/gcTimer.hpp"
+#include "gc_implementation/shared/gcTrace.hpp"
+#include "gc_implementation/shared/copyFailedInfo.hpp"
+#include "memory/heapInspection.hpp"
+#include "memory/referenceProcessorStats.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+#if INCLUDE_ALL_GCS
+#include "gc_implementation/g1/evacuationInfo.hpp"
+#endif
+
+#define assert_unset_gc_id() assert(_shared_gc_info.id() == SharedGCInfo::UNSET_GCID, "GC already started?")
+#define assert_set_gc_id() assert(_shared_gc_info.id() != SharedGCInfo::UNSET_GCID, "GC not started?")
+
+static jlong GCTracer_next_gc_id = 0;
+static GCId create_new_gc_id() {
+  return GCTracer_next_gc_id++;
+}
+
+void GCTracer::report_gc_start_impl(GCCause::Cause cause, jlong timestamp) {
+  assert_unset_gc_id();
+
+  GCId gc_id = create_new_gc_id();
+  _shared_gc_info.set_id(gc_id);
+  _shared_gc_info.set_cause(cause);
+  _shared_gc_info.set_start_timestamp(timestamp);
+}
+
+void GCTracer::report_gc_start(GCCause::Cause cause, jlong timestamp) {
+  assert_unset_gc_id();
+
+  report_gc_start_impl(cause, timestamp);
+}
+
+bool GCTracer::has_reported_gc_start() const {
+  return _shared_gc_info.id() != SharedGCInfo::UNSET_GCID;
+}
+
+void GCTracer::report_gc_end_impl(jlong 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(jlong timestamp, TimePartitions* time_partitions) {
+  assert_set_gc_id();
+
+  report_gc_end_impl(timestamp, time_partitions);
+
+  _shared_gc_info.set_id(SharedGCInfo::UNSET_GCID);
+}
+
+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
+void ObjectCountEventSenderClosure::do_cinfo(KlassInfoEntry* entry) {
+  if (should_send_event(entry)) {
+    send_event(entry);
+  }
+}
+
+void ObjectCountEventSenderClosure::send_event(KlassInfoEntry* entry) {
+  _gc_tracer->send_object_count_after_gc_event(entry->klass(), entry->count(),
+                                               entry->words() * BytesPerWord);
+}
+
+bool ObjectCountEventSenderClosure::should_send_event(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();
+
+  if (should_send_object_count_after_gc_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(this, cit.size_of_instances_in_words());
+      cit.iterate(&event_sender);
+    }
+  }
+}
+#endif
+
+void GCTracer::report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary, const MetaspaceSummary& meta_space_summary) const {
+  assert_set_gc_id();
+
+  send_gc_heap_summary_event(when, heap_summary);
+  send_meta_space_summary_event(when, meta_space_summary);
+}
+
+void YoungGCTracer::report_gc_end_impl(jlong 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) {
+  assert_set_gc_id();
+
+  send_promotion_failed_event(pf_info);
+}
+
+void YoungGCTracer::report_tenuring_threshold(const uint tenuring_threshold) {
+  _tenuring_threshold = tenuring_threshold;
+}
+
+void OldGCTracer::report_gc_end_impl(jlong 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(jlong 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(jlong 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