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src/hotspot/share/jfr/leakprofiler/checkpoint/objectSampleCheckpoint.hpp
author mgronlun
Sat, 24 Aug 2019 14:30:27 +0200
branchJEP-349-branch
changeset 57870 00860d9caf4d
parent 53244 9807daeb47c4
child 57934 9c150f2b1fea
permissions -rw-r--r--
New metadata system for oldobjects built on top of simplified tagging model. Caching and serialization improvements. Flushpoint checkpoint with chunkheader contents.
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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_CHECKPOINT_OBJECTSAMPLECHECKPOINT_HPP













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#define SHARE_JFR_LEAKPROFILER_CHECKPOINT_OBJECTSAMPLECHECKPOINT_HPP








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#include "memory/allocation.hpp"













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class EdgeStore;








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class Klass;













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class JavaThread;








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class JfrCheckpointWriter;








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class JfrStackTrace;













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class JfrStackTraceRepository;













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class ObjectSample;








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class ObjectSampleMarker;








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class ObjectSampler;













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class Thread;








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class ObjectSampleCheckpoint : AllStatic {













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 public:








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  static void on_klass_unload(const Klass* k);













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  static void on_type_set_unload(JfrCheckpointWriter& writer);













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  static void on_thread_exit(JavaThread* jt);













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  static void resolve_sampled_objects();













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  static void rotate(const ObjectSampler* sampler, JfrStackTraceRepository& repo);













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  static void tag(const ObjectSample* sample);













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  static bool tag(const JfrStackTrace* trace, JfrCheckpointWriter* writer = NULL);













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  static int save_mark_words(const ObjectSampler* sampler, ObjectSampleMarker& marker, bool emit_all);













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  static void write(const ObjectSampler* sampler, EdgeStore* edge_store, bool emit_all, Thread* thread);








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};













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#endif // SHARE_JFR_LEAKPROFILER_CHECKPOINT_OBJECTSAMPLECHECKPOINT_HPP















jdk-sandbox