1 /*
   2  * Copyright (c) 2002, 2014, 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  */
  24 
  25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP
  27 
  28 #include "utilities/macros.hpp"
  29 #if INCLUDE_ALL_GCS
  30 #include "gc_implementation/shared/generationCounters.hpp"
  31 #include "gc_implementation/shared/immutableSpace.hpp"
  32 #include "gc_implementation/shared/mutableSpace.hpp"
  33 #include "runtime/perfData.hpp"
  34 #endif // INCLUDE_ALL_GCS
  35 
  36 // A SpaceCounter is a holder class for performance counters
  37 // that track a space;
  38 
  39 class SpaceCounters: public CHeapObj<mtGC> {
  40   friend class VMStructs;
  41 
  42  private:
  43   PerfVariable*      _capacity;
  44   PerfVariable*      _used;
  45 
  46   // Constant PerfData types don't need to retain a reference.
  47   // However, it's a good idea to document them here.
  48   // PerfConstant*     _size;
  49 
  50   MutableSpace*     _object_space;
  51   char*             _name_space;
  52 

  70   inline void update_all() {
  71     update_used();
  72     update_capacity();
  73   }
  74 
  75   const char* name_space() const        { return _name_space; }
  76 };
  77 
  78 class MutableSpaceUsedHelper: public PerfLongSampleHelper {
  79   private:
  80     MutableSpace* _m;
  81 
  82   public:
  83     MutableSpaceUsedHelper(MutableSpace* m) : _m(m) { }
  84 
  85     inline jlong take_sample() {
  86       return _m->used_in_bytes();
  87     }
  88 };
  89 
  90 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP

   1 /*
   2  * Copyright (c) 2002, 2015, 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  */
  24 
  25 #ifndef SHARE_VM_GC_SHARED_SPACECOUNTERS_HPP
  26 #define SHARE_VM_GC_SHARED_SPACECOUNTERS_HPP
  27 
  28 #include "utilities/macros.hpp"
  29 #if INCLUDE_ALL_GCS
  30 #include "gc/shared/generationCounters.hpp"
  31 #include "gc/shared/immutableSpace.hpp"
  32 #include "gc/shared/mutableSpace.hpp"
  33 #include "runtime/perfData.hpp"
  34 #endif // INCLUDE_ALL_GCS
  35 
  36 // A SpaceCounter is a holder class for performance counters
  37 // that track a space;
  38 
  39 class SpaceCounters: public CHeapObj<mtGC> {
  40   friend class VMStructs;
  41 
  42  private:
  43   PerfVariable*      _capacity;
  44   PerfVariable*      _used;
  45 
  46   // Constant PerfData types don't need to retain a reference.
  47   // However, it's a good idea to document them here.
  48   // PerfConstant*     _size;
  49 
  50   MutableSpace*     _object_space;
  51   char*             _name_space;
  52 

  70   inline void update_all() {
  71     update_used();
  72     update_capacity();
  73   }
  74 
  75   const char* name_space() const        { return _name_space; }
  76 };
  77 
  78 class MutableSpaceUsedHelper: public PerfLongSampleHelper {
  79   private:
  80     MutableSpace* _m;
  81 
  82   public:
  83     MutableSpaceUsedHelper(MutableSpace* m) : _m(m) { }
  84 
  85     inline jlong take_sample() {
  86       return _m->used_in_bytes();
  87     }
  88 };
  89 
  90 #endif // SHARE_VM_GC_SHARED_SPACECOUNTERS_HPP