jdk8-mips64-public/hotspot: src/share/vm/memory/metaspaceCounters.hpp@2958af1d8c5a

     1 /*

     2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #ifndef SHARE_VM_MEMORY_METASPACECOUNTERS_HPP

    26 #define SHARE_VM_MEMORY_METASPACECOUNTERS_HPP

    28 #include "runtime/perfData.hpp"

    30 class MetaspaceCounters: public CHeapObj<mtClass> {

    31   friend class VMStructs;

    32   PerfVariable*      _capacity;

    33   PerfVariable*      _used;

    34   PerfVariable*      _max_capacity;

    35   static MetaspaceCounters* _metaspace_counters;

    36   void initialize(size_t min_capacity,

    37                   size_t max_capacity,

    38                   size_t curr_capacity,

    39                   size_t used);

    40   size_t calc_total_capacity();

    41  public:

    42   MetaspaceCounters();

    43   ~MetaspaceCounters();

    45   void update_capacity();

    46   void update_used();

    47   void update_max_capacity();

    49   void update_all();

    51   static void initialize_performance_counters();

    52   static void update_performance_counters();

    54 };

    55 #endif // SHARE_VM_MEMORY_METASPACECOUNTERS_HPP

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