src/hotspot/share/jfr/leakprofiler/startOperation.hpp
author alanb
Sat, 30 Nov 2019 16:21:19 +0000
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parent 55571 49102ba8cf14
permissions -rw-r--r--
8234805: (dc) Remove JNI upcall from DatagramChannel.receive implementation Reviewed-by: dfuchs, chegar
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/*
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 * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_JFR_LEAKPROFILER_STARTOPERATION_HPP
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#define SHARE_JFR_LEAKPROFILER_STARTOPERATION_HPP
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#include "jfr/leakprofiler/sampling/objectSampler.hpp"
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#include "jfr/leakprofiler/utilities/vmOperation.hpp"
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// Safepoint operation for creating and starting the leak profiler object sampler
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class StartOperation : public OldObjectVMOperation {
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 private:
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  int _sample_count;
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 public:
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  StartOperation(int sample_count) : _sample_count(sample_count) {}
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  virtual void doit() {
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    ObjectSampler::create(_sample_count);
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  }
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};
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#endif // SHARE_JFR_LEAKPROFILER_STARTOPERATION_HPP