1 /*
2 * Copyright (c) 2012, 2017, 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 *
149
150 protected:
151 void register_gc_pause_start(const char* name, const Ticks& time = Ticks::now());
152 void register_gc_pause_end(const Ticks& time = Ticks::now());
153 };
154
155 class STWGCTimer : public GCTimer {
156 public:
157 virtual void register_gc_start(const Ticks& time = Ticks::now());
158 virtual void register_gc_end(const Ticks& time = Ticks::now());
159 };
160
161 class ConcurrentGCTimer : public GCTimer {
162 // ConcurrentGCTimer can't be used if there is an overlap between a pause phase and a concurrent phase.
163 // _is_concurrent_phase_active is used to find above case.
164 bool _is_concurrent_phase_active;
165
166 public:
167 ConcurrentGCTimer(): GCTimer(), _is_concurrent_phase_active(false) {};
168
169 void register_gc_pause_start(const char* name);
170 void register_gc_pause_end();
171
172 void register_gc_concurrent_start(const char* name, const Ticks& time = Ticks::now());
173 void register_gc_concurrent_end(const Ticks& time = Ticks::now());
174 };
175
176 class TimePartitionPhasesIterator {
177 TimePartitions* _time_partitions;
178 int _next;
179
180 public:
181 TimePartitionPhasesIterator(TimePartitions* time_partitions) : _time_partitions(time_partitions), _next(0) { }
182
183 virtual bool has_next();
184 virtual GCPhase* next();
185 };
186
187 #endif // SHARE_VM_GC_SHARED_GCTIMER_HPP
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1 /*
2 * Copyright (c) 2012, 2018, 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 *
149
150 protected:
151 void register_gc_pause_start(const char* name, const Ticks& time = Ticks::now());
152 void register_gc_pause_end(const Ticks& time = Ticks::now());
153 };
154
155 class STWGCTimer : public GCTimer {
156 public:
157 virtual void register_gc_start(const Ticks& time = Ticks::now());
158 virtual void register_gc_end(const Ticks& time = Ticks::now());
159 };
160
161 class ConcurrentGCTimer : public GCTimer {
162 // ConcurrentGCTimer can't be used if there is an overlap between a pause phase and a concurrent phase.
163 // _is_concurrent_phase_active is used to find above case.
164 bool _is_concurrent_phase_active;
165
166 public:
167 ConcurrentGCTimer(): GCTimer(), _is_concurrent_phase_active(false) {};
168
169 void register_gc_pause_start(const char* name, const Ticks& time = Ticks::now());
170 void register_gc_pause_end(const Ticks& time = Ticks::now());
171
172 void register_gc_concurrent_start(const char* name, const Ticks& time = Ticks::now());
173 void register_gc_concurrent_end(const Ticks& time = Ticks::now());
174 };
175
176 class TimePartitionPhasesIterator {
177 TimePartitions* _time_partitions;
178 int _next;
179
180 public:
181 TimePartitionPhasesIterator(TimePartitions* time_partitions) : _time_partitions(time_partitions), _next(0) { }
182
183 virtual bool has_next();
184 virtual GCPhase* next();
185 };
186
187 #endif // SHARE_VM_GC_SHARED_GCTIMER_HPP
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