Mercurial > jdk8-mips64-public > hotspot / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/gc_implementation/shared/generationCounters.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,62 @@
     1.4 +/*
     1.5 + * Copyright 2002-2004 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +// A GenerationCounter is a holder class for performance counters
    1.29 +// that track a generation
    1.30 +
    1.31 +class GenerationCounters: public CHeapObj {
    1.32 +  friend class VMStructs;
    1.33 +
    1.34 + protected:
    1.35 +  PerfVariable*      _current_size;
    1.36 +  VirtualSpace*      _virtual_space;
    1.37 +
    1.38 +  // Constant PerfData types don't need to retain a reference.
    1.39 +  // However, it's a good idea to document them here.
    1.40 +  // PerfStringConstant*     _name;
    1.41 +  // PerfConstant*           _min_size;
    1.42 +  // PerfConstant*           _max_size;
    1.43 +  // PerfConstant*           _spaces;
    1.44 +
    1.45 +  char*              _name_space;
    1.46 +
    1.47 +  // This constructor is only meant for use with the PSGenerationCounters
    1.48 +  // constructor.  The need for such an constructor should be eliminated
    1.49 +  // when VirtualSpace and PSVirtualSpace are unified.
    1.50 +  GenerationCounters() : _name_space(NULL), _current_size(NULL), _virtual_space(NULL) {}
    1.51 + public:
    1.52 +
    1.53 +  GenerationCounters(const char* name, int ordinal, int spaces,
    1.54 +                     VirtualSpace* v);
    1.55 +
    1.56 +  ~GenerationCounters() {
    1.57 +    if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space);
    1.58 +  }
    1.59 +
    1.60 +  virtual void update_all() {
    1.61 +    _current_size->set_value(_virtual_space->committed_size());
    1.62 +  }
    1.63 +
    1.64 +  const char* name_space() const        { return _name_space; }
    1.65 +};