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annotate src/share/vm/memory/metaspaceCounters.hpp @ 8790:7f0cb32dd233

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8004241: NPG: Metaspace occupies more memory than specified by -XX:MaxMetaspaceSize option Summary: Enforce MaxMetaspaceSize for both metaspace parts, check MaxMetaspaceSize against "reserved", not "capacity" Reviewed-by: jmasa, johnc
author mgerdin
date Thu, 21 Mar 2013 09:07:43 +0100
parents 0624b9d81255
children 868d87ed63c8
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #ifndef SHARE_VM_MEMORY_METASPACECOUNTERS_HPP
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26 #define SHARE_VM_MEMORY_METASPACECOUNTERS_HPP
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27
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28 #include "runtime/perfData.hpp"
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29
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30 class MetaspaceCounters: public CHeapObj<mtClass> {
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31 friend class VMStructs;
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32 PerfVariable* _capacity;
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33 PerfVariable* _used;
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34 PerfVariable* _max_capacity;
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35 static MetaspaceCounters* _metaspace_counters;
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36 void initialize(size_t min_capacity,
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37 size_t max_capacity,
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38 size_t curr_capacity,
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39 size_t used);
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40 public:
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41 MetaspaceCounters();
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42 ~MetaspaceCounters();
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43
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44 void update_capacity();
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45 void update_used();
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46 void update_max_capacity();
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47
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48 void update_all();
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49
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50 static void initialize_performance_counters();
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51 static void update_performance_counters();
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52
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53 };
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54 #endif // SHARE_VM_MEMORY_METASPACECOUNTERS_HPP