--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/gc/shared/gcTraceSend.cpp Wed May 13 15:16:06 2015 +0200
@@ -0,0 +1,360 @@
+/*
+ * 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/gcTimer.hpp"
+#include "gc/shared/gcTrace.hpp"
+#include "gc/shared/gcWhen.hpp"
+#include "runtime/os.hpp"
+#include "trace/traceBackend.hpp"
+#include "trace/tracing.hpp"
+#include "utilities/macros.hpp"
+#if INCLUDE_ALL_GCS
+#include "gc/g1/evacuationInfo.hpp"
+#include "gc/g1/g1YCTypes.hpp"
+#endif
+
+// All GC dependencies against the trace framework is contained within this file.
+
+typedef uintptr_t TraceAddress;
+
+void GCTracer::send_garbage_collection_event() const {
+ EventGCGarbageCollection event(UNTIMED);
+ if (event.should_commit()) {
+ event.set_gcId(_shared_gc_info.gc_id().id());
+ event.set_name(_shared_gc_info.name());
+ event.set_cause((u2) _shared_gc_info.cause());
+ event.set_sumOfPauses(_shared_gc_info.sum_of_pauses());
+ event.set_longestPause(_shared_gc_info.longest_pause());
+ event.set_starttime(_shared_gc_info.start_timestamp());
+ event.set_endtime(_shared_gc_info.end_timestamp());
+ event.commit();
+ }
+}
+
+void GCTracer::send_reference_stats_event(ReferenceType type, size_t count) const {
+ EventGCReferenceStatistics e;
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.set_type((u1)type);
+ e.set_count(count);
+ e.commit();
+ }
+}
+
+void GCTracer::send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype,
+ const MetaspaceChunkFreeListSummary& summary) const {
+ EventMetaspaceChunkFreeListSummary e;
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.set_when(when);
+ e.set_metadataType(mdtype);
+
+ e.set_specializedChunks(summary.num_specialized_chunks());
+ e.set_specializedChunksTotalSize(summary.specialized_chunks_size_in_bytes());
+
+ e.set_smallChunks(summary.num_small_chunks());
+ e.set_smallChunksTotalSize(summary.small_chunks_size_in_bytes());
+
+ e.set_mediumChunks(summary.num_medium_chunks());
+ e.set_mediumChunksTotalSize(summary.medium_chunks_size_in_bytes());
+
+ e.set_humongousChunks(summary.num_humongous_chunks());
+ e.set_humongousChunksTotalSize(summary.humongous_chunks_size_in_bytes());
+
+ e.commit();
+ }
+}
+
+void ParallelOldTracer::send_parallel_old_event() const {
+ EventGCParallelOld e(UNTIMED);
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.set_densePrefix((TraceAddress)_parallel_old_gc_info.dense_prefix());
+ e.set_starttime(_shared_gc_info.start_timestamp());
+ e.set_endtime(_shared_gc_info.end_timestamp());
+ e.commit();
+ }
+}
+
+void YoungGCTracer::send_young_gc_event() const {
+ EventGCYoungGarbageCollection e(UNTIMED);
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.set_tenuringThreshold(_tenuring_threshold);
+ e.set_starttime(_shared_gc_info.start_timestamp());
+ e.set_endtime(_shared_gc_info.end_timestamp());
+ e.commit();
+ }
+}
+
+bool YoungGCTracer::should_send_promotion_in_new_plab_event() const {
+ return EventPromoteObjectInNewPLAB::is_enabled();
+}
+
+bool YoungGCTracer::should_send_promotion_outside_plab_event() const {
+ return EventPromoteObjectOutsidePLAB::is_enabled();
+}
+
+void YoungGCTracer::send_promotion_in_new_plab_event(Klass* klass, size_t obj_size,
+ uint age, bool tenured,
+ size_t plab_size) const {
+
+ EventPromoteObjectInNewPLAB event;
+ if (event.should_commit()) {
+ event.set_gcId(_shared_gc_info.gc_id().id());
+ event.set_class(klass);
+ event.set_objectSize(obj_size);
+ event.set_tenured(tenured);
+ event.set_tenuringAge(age);
+ event.set_plabSize(plab_size);
+ event.commit();
+ }
+}
+
+void YoungGCTracer::send_promotion_outside_plab_event(Klass* klass, size_t obj_size,
+ uint age, bool tenured) const {
+
+ EventPromoteObjectOutsidePLAB event;
+ if (event.should_commit()) {
+ event.set_gcId(_shared_gc_info.gc_id().id());
+ event.set_class(klass);
+ event.set_objectSize(obj_size);
+ event.set_tenured(tenured);
+ event.set_tenuringAge(age);
+ event.commit();
+ }
+}
+
+void OldGCTracer::send_old_gc_event() const {
+ EventGCOldGarbageCollection e(UNTIMED);
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.set_starttime(_shared_gc_info.start_timestamp());
+ e.set_endtime(_shared_gc_info.end_timestamp());
+ e.commit();
+ }
+}
+
+static TraceStructCopyFailed to_trace_struct(const CopyFailedInfo& cf_info) {
+ TraceStructCopyFailed failed_info;
+ failed_info.set_objectCount(cf_info.failed_count());
+ failed_info.set_firstSize(cf_info.first_size());
+ failed_info.set_smallestSize(cf_info.smallest_size());
+ failed_info.set_totalSize(cf_info.total_size());
+ return failed_info;
+}
+
+void YoungGCTracer::send_promotion_failed_event(const PromotionFailedInfo& pf_info) const {
+ EventPromotionFailed e;
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.set_data(to_trace_struct(pf_info));
+ e.set_thread(pf_info.thread()->thread_id());
+ e.commit();
+ }
+}
+
+// Common to CMS and G1
+void OldGCTracer::send_concurrent_mode_failure_event() {
+ EventConcurrentModeFailure e;
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.commit();
+ }
+}
+
+#if INCLUDE_ALL_GCS
+void G1NewTracer::send_g1_young_gc_event() {
+ EventGCG1GarbageCollection e(UNTIMED);
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.set_type(_g1_young_gc_info.type());
+ e.set_starttime(_shared_gc_info.start_timestamp());
+ e.set_endtime(_shared_gc_info.end_timestamp());
+ e.commit();
+ }
+}
+
+void G1NewTracer::send_evacuation_info_event(EvacuationInfo* info) {
+ EventEvacuationInfo e;
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.set_cSetRegions(info->collectionset_regions());
+ e.set_cSetUsedBefore(info->collectionset_used_before());
+ e.set_cSetUsedAfter(info->collectionset_used_after());
+ e.set_allocationRegions(info->allocation_regions());
+ e.set_allocRegionsUsedBefore(info->alloc_regions_used_before());
+ e.set_allocRegionsUsedAfter(info->alloc_regions_used_before() + info->bytes_copied());
+ e.set_bytesCopied(info->bytes_copied());
+ e.set_regionsFreed(info->regions_freed());
+ e.commit();
+ }
+}
+
+void G1NewTracer::send_evacuation_failed_event(const EvacuationFailedInfo& ef_info) const {
+ EventEvacuationFailed e;
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.set_data(to_trace_struct(ef_info));
+ e.commit();
+ }
+}
+#endif
+
+static TraceStructVirtualSpace to_trace_struct(const VirtualSpaceSummary& summary) {
+ TraceStructVirtualSpace space;
+ space.set_start((TraceAddress)summary.start());
+ space.set_committedEnd((TraceAddress)summary.committed_end());
+ space.set_committedSize(summary.committed_size());
+ space.set_reservedEnd((TraceAddress)summary.reserved_end());
+ space.set_reservedSize(summary.reserved_size());
+ return space;
+}
+
+static TraceStructObjectSpace to_trace_struct(const SpaceSummary& summary) {
+ TraceStructObjectSpace space;
+ space.set_start((TraceAddress)summary.start());
+ space.set_end((TraceAddress)summary.end());
+ space.set_used(summary.used());
+ space.set_size(summary.size());
+ return space;
+}
+
+class GCHeapSummaryEventSender : public GCHeapSummaryVisitor {
+ GCId _gc_id;
+ GCWhen::Type _when;
+ public:
+ GCHeapSummaryEventSender(GCId gc_id, GCWhen::Type when) : _gc_id(gc_id), _when(when) {}
+
+ void visit(const GCHeapSummary* heap_summary) const {
+ const VirtualSpaceSummary& heap_space = heap_summary->heap();
+
+ EventGCHeapSummary e;
+ if (e.should_commit()) {
+ e.set_gcId(_gc_id.id());
+ e.set_when((u1)_when);
+ e.set_heapSpace(to_trace_struct(heap_space));
+ e.set_heapUsed(heap_summary->used());
+ e.commit();
+ }
+ }
+
+ void visit(const PSHeapSummary* ps_heap_summary) const {
+ visit((GCHeapSummary*)ps_heap_summary);
+
+ const VirtualSpaceSummary& old_summary = ps_heap_summary->old();
+ const SpaceSummary& old_space = ps_heap_summary->old_space();
+ const VirtualSpaceSummary& young_summary = ps_heap_summary->young();
+ const SpaceSummary& eden_space = ps_heap_summary->eden();
+ const SpaceSummary& from_space = ps_heap_summary->from();
+ const SpaceSummary& to_space = ps_heap_summary->to();
+
+ EventPSHeapSummary e;
+ if (e.should_commit()) {
+ e.set_gcId(_gc_id.id());
+ e.set_when((u1)_when);
+
+ e.set_oldSpace(to_trace_struct(ps_heap_summary->old()));
+ e.set_oldObjectSpace(to_trace_struct(ps_heap_summary->old_space()));
+ e.set_youngSpace(to_trace_struct(ps_heap_summary->young()));
+ e.set_edenSpace(to_trace_struct(ps_heap_summary->eden()));
+ e.set_fromSpace(to_trace_struct(ps_heap_summary->from()));
+ e.set_toSpace(to_trace_struct(ps_heap_summary->to()));
+ e.commit();
+ }
+ }
+};
+
+void GCTracer::send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const {
+ GCHeapSummaryEventSender visitor(_shared_gc_info.gc_id(), when);
+ heap_summary.accept(&visitor);
+}
+
+static TraceStructMetaspaceSizes to_trace_struct(const MetaspaceSizes& sizes) {
+ TraceStructMetaspaceSizes meta_sizes;
+
+ meta_sizes.set_committed(sizes.committed());
+ meta_sizes.set_used(sizes.used());
+ meta_sizes.set_reserved(sizes.reserved());
+
+ return meta_sizes;
+}
+
+void GCTracer::send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const {
+ EventMetaspaceSummary e;
+ if (e.should_commit()) {
+ e.set_gcId(_shared_gc_info.gc_id().id());
+ e.set_when((u1) when);
+ e.set_gcThreshold(meta_space_summary.capacity_until_GC());
+ e.set_metaspace(to_trace_struct(meta_space_summary.meta_space()));
+ e.set_dataSpace(to_trace_struct(meta_space_summary.data_space()));
+ e.set_classSpace(to_trace_struct(meta_space_summary.class_space()));
+ e.commit();
+ }
+}
+
+class PhaseSender : public PhaseVisitor {
+ GCId _gc_id;
+ public:
+ PhaseSender(GCId gc_id) : _gc_id(gc_id) {}
+
+ template<typename T>
+ void send_phase(PausePhase* pause) {
+ T event(UNTIMED);
+ if (event.should_commit()) {
+ event.set_gcId(_gc_id.id());
+ event.set_name(pause->name());
+ event.set_starttime(pause->start());
+ event.set_endtime(pause->end());
+ event.commit();
+ }
+ }
+
+ void visit(GCPhase* pause) { ShouldNotReachHere(); }
+ void visit(ConcurrentPhase* pause) { Unimplemented(); }
+ void visit(PausePhase* pause) {
+ assert(PhasesStack::PHASE_LEVELS == 5, "Need more event types");
+
+ switch (pause->level()) {
+ case 0: send_phase<EventGCPhasePause>(pause); break;
+ case 1: send_phase<EventGCPhasePauseLevel1>(pause); break;
+ case 2: send_phase<EventGCPhasePauseLevel2>(pause); break;
+ case 3: send_phase<EventGCPhasePauseLevel3>(pause); break;
+ default: /* Ignore sending this phase */ break;
+ }
+ }
+};
+
+void GCTracer::send_phase_events(TimePartitions* time_partitions) const {
+ PhaseSender phase_reporter(_shared_gc_info.gc_id());
+
+ TimePartitionPhasesIterator iter(time_partitions);
+ while (iter.has_next()) {
+ GCPhase* phase = iter.next();
+ phase->accept(&phase_reporter);
+ }
+}