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egahlin@50662
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1 /*
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coleenp@54304
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2 * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
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egahlin@50662
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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egahlin@50662
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4 *
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egahlin@50662
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5 * This code is free software; you can redistribute it and/or modify it
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egahlin@50662
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6 * under the terms of the GNU General Public License version 2 only, as
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egahlin@50662
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7 * published by the Free Software Foundation.
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egahlin@50662
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8 *
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egahlin@50662
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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egahlin@50662
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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egahlin@50662
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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egahlin@50662
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12 * version 2 for more details (a copy is included in the LICENSE file that
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egahlin@50662
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13 * accompanied this code).
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egahlin@50662
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14 *
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egahlin@50662
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15 * You should have received a copy of the GNU General Public License version
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egahlin@50662
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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egahlin@50662
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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egahlin@50662
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18 *
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egahlin@50662
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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egahlin@50662
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20 * or visit www.oracle.com if you need additional information or have any
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egahlin@50662
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21 * questions.
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egahlin@50662
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22 *
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23 */
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24
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25 #ifndef SHARE_JFR_LEAKPROFILER_STOPOPERATION_HPP
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coleenp@54304
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26 #define SHARE_JFR_LEAKPROFILER_STOPOPERATION_HPP
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27
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28 #include "jfr/leakprofiler/leakProfiler.hpp"
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29 #include "jfr/leakprofiler/sampling/objectSampler.hpp"
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30 #include "jfr/recorder/service/jfrOptionSet.hpp"
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31 #include "logging/log.hpp"
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tschatzl@53914
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32 #include "runtime/vmOperations.hpp"
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33
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34 // Safepoint operation for stopping leak profiler object sampler
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35 class StopOperation : public VM_Operation {
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36 public:
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37 StopOperation() {}
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38
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39 Mode evaluation_mode() const {
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40 return _safepoint;
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41 }
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42
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43 VMOp_Type type() const {
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44 return VMOp_GC_HeapInspection;
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45 }
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46
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47 virtual void doit() {
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48 assert(LeakProfiler::is_running(), "invariant");
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49 ObjectSampler* object_sampler = LeakProfiler::object_sampler();
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50 delete object_sampler;
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51 LeakProfiler::set_object_sampler(NULL);
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52 log_trace(jfr, system)( "Object sampling stopped");
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53 }
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54 };
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55
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coleenp@54304
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56 #endif // SHARE_JFR_LEAKPROFILER_STOPOPERATION_HPP
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