hotspot/src/share/vm/memory/metaspaceChunkFreeListSummary.hpp
author ehelin
Tue, 18 Mar 2014 09:03:28 +0100
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8036703: Add trace event with statistics for the metaspace chunk free lists Reviewed-by: stefank, mgerdin, coleenp, egahlin
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/*
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 * Copyright (c) 2014, 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_MEMORY_METASPACE_CHUNK_FREE_LIST_SUMMARY_HPP
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#define SHARE_VM_MEMORY_METASPACE_CHUNK_FREE_LIST_SUMMARY_HPP
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#include "memory/allocation.hpp"
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class MetaspaceChunkFreeListSummary VALUE_OBJ_CLASS_SPEC {
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  size_t _num_specialized_chunks;
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  size_t _num_small_chunks;
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  size_t _num_medium_chunks;
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  size_t _num_humongous_chunks;
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  size_t _specialized_chunks_size_in_bytes;
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  size_t _small_chunks_size_in_bytes;
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  size_t _medium_chunks_size_in_bytes;
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  size_t _humongous_chunks_size_in_bytes;
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 public:
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  MetaspaceChunkFreeListSummary() :
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    _num_specialized_chunks(0),
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    _num_small_chunks(0),
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    _num_medium_chunks(0),
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    _num_humongous_chunks(0),
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    _specialized_chunks_size_in_bytes(0),
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    _small_chunks_size_in_bytes(0),
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    _medium_chunks_size_in_bytes(0),
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    _humongous_chunks_size_in_bytes(0)
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  {}
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  MetaspaceChunkFreeListSummary(size_t num_specialized_chunks,
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                                size_t num_small_chunks,
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                                size_t num_medium_chunks,
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                                size_t num_humongous_chunks,
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                                size_t specialized_chunks_size_in_bytes,
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                                size_t small_chunks_size_in_bytes,
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                                size_t medium_chunks_size_in_bytes,
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                                size_t humongous_chunks_size_in_bytes) :
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    _num_specialized_chunks(num_specialized_chunks),
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    _num_small_chunks(num_small_chunks),
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    _num_medium_chunks(num_medium_chunks),
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    _num_humongous_chunks(num_humongous_chunks),
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    _specialized_chunks_size_in_bytes(specialized_chunks_size_in_bytes),
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    _small_chunks_size_in_bytes(small_chunks_size_in_bytes),
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    _medium_chunks_size_in_bytes(medium_chunks_size_in_bytes),
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    _humongous_chunks_size_in_bytes(humongous_chunks_size_in_bytes)
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  {}
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  size_t num_specialized_chunks() const {
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    return _num_specialized_chunks;
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  }
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  size_t num_small_chunks() const {
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    return _num_small_chunks;
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  }
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  size_t num_medium_chunks() const {
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    return _num_medium_chunks;
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  }
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  size_t num_humongous_chunks() const {
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    return _num_humongous_chunks;
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  }
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  size_t specialized_chunks_size_in_bytes() const {
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    return _specialized_chunks_size_in_bytes;
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  }
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  size_t small_chunks_size_in_bytes() const {
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    return _small_chunks_size_in_bytes;
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  }
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  size_t medium_chunks_size_in_bytes() const {
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    return _medium_chunks_size_in_bytes;
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  }
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  size_t humongous_chunks_size_in_bytes() const {
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    return _humongous_chunks_size_in_bytes;
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  }
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};
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#endif // SHARE_VM_MEMORY_METASPACE_CHUNK_FREE_LIST_SUMMARY_HPP