1 /*
2 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
109 }
110 G1YCType type() const { return _type; }
111 };
112
113 #endif // INCLUDE_ALL_GCS
114
115 class GCTracer : public ResourceObj {
116 protected:
117 SharedGCInfo _shared_gc_info;
118
119 public:
120 void report_gc_start(GCCause::Cause cause, const Ticks& timestamp);
121 void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions);
122 void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
123 void report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& metaspace_summary) const;
124 void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
125 void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
126
127 protected:
128 GCTracer(GCName name) : _shared_gc_info(name) {}
129 void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
130 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
131
132 private:
133 void send_garbage_collection_event() const;
134 void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
135 void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const;
136 void send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, const MetaspaceChunkFreeListSummary& summary) const;
137 void send_reference_stats_event(ReferenceType type, size_t count) const;
138 void send_phase_events(TimePartitions* time_partitions) const;
139 };
140
141 class YoungGCTracer : public GCTracer {
142 static const uint UNSET_TENURING_THRESHOLD = (uint) -1;
143
144 uint _tenuring_threshold;
145
146 protected:
147 YoungGCTracer(GCName name) : GCTracer(name), _tenuring_threshold(UNSET_TENURING_THRESHOLD) {}
148 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
149
280 size_t current_occupancy,
281 size_t last_allocation_size,
282 double last_allocation_duration,
283 double last_marking_length);
284 void send_adaptive_ihop_statistics(size_t threshold,
285 size_t internal_target_occupancy,
286 size_t current_occupancy,
287 size_t additional_buffer_size,
288 double predicted_allocation_rate,
289 double predicted_marking_length,
290 bool prediction_active);
291 };
292 #endif
293
294 class CMSTracer : public OldGCTracer {
295 public:
296 CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {}
297 };
298
299 class G1OldTracer : public OldGCTracer {
300 public:
301 G1OldTracer() : OldGCTracer(G1Old) {}
302 };
303
304 #endif // SHARE_VM_GC_SHARED_GCTRACE_HPP
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1 /*
2 * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
109 }
110 G1YCType type() const { return _type; }
111 };
112
113 #endif // INCLUDE_ALL_GCS
114
115 class GCTracer : public ResourceObj {
116 protected:
117 SharedGCInfo _shared_gc_info;
118
119 public:
120 void report_gc_start(GCCause::Cause cause, const Ticks& timestamp);
121 void report_gc_end(const Ticks& timestamp, TimePartitions* time_partitions);
122 void report_gc_heap_summary(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
123 void report_metaspace_summary(GCWhen::Type when, const MetaspaceSummary& metaspace_summary) const;
124 void report_gc_reference_stats(const ReferenceProcessorStats& rp) const;
125 void report_object_count_after_gc(BoolObjectClosure* object_filter) NOT_SERVICES_RETURN;
126
127 protected:
128 GCTracer(GCName name) : _shared_gc_info(name) {}
129 virtual void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
130 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
131
132 private:
133 void send_garbage_collection_event() const;
134 void send_gc_heap_summary_event(GCWhen::Type when, const GCHeapSummary& heap_summary) const;
135 void send_meta_space_summary_event(GCWhen::Type when, const MetaspaceSummary& meta_space_summary) const;
136 void send_metaspace_chunk_free_list_summary(GCWhen::Type when, Metaspace::MetadataType mdtype, const MetaspaceChunkFreeListSummary& summary) const;
137 void send_reference_stats_event(ReferenceType type, size_t count) const;
138 void send_phase_events(TimePartitions* time_partitions) const;
139 };
140
141 class YoungGCTracer : public GCTracer {
142 static const uint UNSET_TENURING_THRESHOLD = (uint) -1;
143
144 uint _tenuring_threshold;
145
146 protected:
147 YoungGCTracer(GCName name) : GCTracer(name), _tenuring_threshold(UNSET_TENURING_THRESHOLD) {}
148 virtual void report_gc_end_impl(const Ticks& timestamp, TimePartitions* time_partitions);
149
280 size_t current_occupancy,
281 size_t last_allocation_size,
282 double last_allocation_duration,
283 double last_marking_length);
284 void send_adaptive_ihop_statistics(size_t threshold,
285 size_t internal_target_occupancy,
286 size_t current_occupancy,
287 size_t additional_buffer_size,
288 double predicted_allocation_rate,
289 double predicted_marking_length,
290 bool prediction_active);
291 };
292 #endif
293
294 class CMSTracer : public OldGCTracer {
295 public:
296 CMSTracer() : OldGCTracer(ConcurrentMarkSweep) {}
297 };
298
299 class G1OldTracer : public OldGCTracer {
300 protected:
301 void report_gc_start_impl(GCCause::Cause cause, const Ticks& timestamp);
302 public:
303 G1OldTracer() : OldGCTracer(G1Old) {}
304 void set_gc_cause(GCCause::Cause cause);
305 };
306
307 #endif // SHARE_VM_GC_SHARED_GCTRACE_HPP
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