hotspot/src/share/vm/gc_implementation/g1/g1Log.hpp
author tschatzl
Mon, 20 Jan 2014 11:47:07 +0100
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child 29680 e5203ed6d805
permissions -rw-r--r--
8027476: Improve performance of Stringtable unlink 8027455: Improve symbol table scan times during gc pauses Summary: Parallelize string table and symbol table scan during remark and full GC. Some additional statistics output if the experimental flag G1TraceStringSymbolTableScrubbing is set. Reviewed-by: mgerdin, coleenp, brutisso
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/*
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 * Copyright (c) 2012, 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_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP
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#define SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP
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#include "memory/allocation.hpp"
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class G1Log : public AllStatic {
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  typedef enum {
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    LevelNone,
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    LevelFine,
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    LevelFiner,
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    LevelFinest
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  } LogLevel;
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  static LogLevel _level;
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 public:
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  inline static bool fine() {
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    return _level >= LevelFine;
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  }
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  inline static bool finer() {
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    return _level >= LevelFiner;
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  }
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  inline static bool finest() {
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    return _level == LevelFinest;
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  }
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  static void init();
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};
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#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1LOG_HPP