view src/share/vm/memory/metaspaceCounters.hpp @ 8804:91bf0bdae37b

8008217: CDS: Class data sharing limits the malloc heap on Solaris Summary: In 64bit VM move CDS archive address to 32G on all platforms using new flag SharedBaseAddress. In 32bit VM set CDS archive address to 3Gb on Linux and let other OSs pick the address. Reviewed-by: kvn, dcubed, zgu, hseigel
author coleenp
date Wed, 20 Mar 2013 08:04:54 -0400
parents 0624b9d81255
children 868d87ed63c8
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/*
 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#ifndef SHARE_VM_MEMORY_METASPACECOUNTERS_HPP
#define SHARE_VM_MEMORY_METASPACECOUNTERS_HPP

#include "runtime/perfData.hpp"

class MetaspaceCounters: public CHeapObj<mtClass> {
  friend class VMStructs;
  PerfVariable*      _capacity;
  PerfVariable*      _used;
  PerfVariable*      _max_capacity;
  static MetaspaceCounters* _metaspace_counters;
  void initialize(size_t min_capacity,
                  size_t max_capacity,
                  size_t curr_capacity,
                  size_t used);
 public:
  MetaspaceCounters();
  ~MetaspaceCounters();

  void update_capacity();
  void update_used();
  void update_max_capacity();

  void update_all();

  static void initialize_performance_counters();
  static void update_performance_counters();

};
#endif // SHARE_VM_MEMORY_METASPACECOUNTERS_HPP