1 
   2 /*
   3  * Copyright (c) 2004, 2015, Oracle and/or its affiliates. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef SHARE_VM_GC_PARALLEL_PSGENERATIONCOUNTERS_HPP
  27 #define SHARE_VM_GC_PARALLEL_PSGENERATIONCOUNTERS_HPP
  28 
  29 #include "gc/parallel/psVirtualspace.hpp"
  30 #include "gc/shared/generationCounters.hpp"
  31 #include "runtime/perfData.hpp"
  32 
  33 // A PSGenerationCounter is a holder class for performance counters
  34 // that track a generation
  35 
  36 class PSGenerationCounters: public GenerationCounters {
  37   friend class VMStructs;
  38 
  39  private:
  40   PSVirtualSpace*      _ps_virtual_space;
  41 
  42  public:
  43   PSGenerationCounters(const char* name, int ordinal, int spaces,
  44                        size_t min_capacity, size_t max_capacity, PSVirtualSpace* v);
  45 
  46   void update_all() {
  47     assert(_virtual_space == NULL, "Only one should be in use");
  48     _current_size->set_value(_ps_virtual_space->committed_size());
  49   }
  50 };
  51 
  52 #endif // SHARE_VM_GC_PARALLEL_PSGENERATIONCOUNTERS_HPP