duke@435: /*
mikael@6198:  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP
stefank@2314: #define SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP
stefank@2314: 
jprovino@4542: #include "utilities/macros.hpp"
jprovino@4542: #if INCLUDE_ALL_GCS
stefank@2314: #include "gc_implementation/shared/generationCounters.hpp"
stefank@2314: #include "gc_implementation/shared/immutableSpace.hpp"
stefank@2314: #include "gc_implementation/shared/mutableSpace.hpp"
stefank@2314: #include "runtime/perfData.hpp"
jprovino@4542: #endif // INCLUDE_ALL_GCS
stefank@2314: 
duke@435: // A SpaceCounter is a holder class for performance counters
duke@435: // that track a space;
duke@435: 
zgu@3900: class SpaceCounters: public CHeapObj<mtGC> {
duke@435:   friend class VMStructs;
duke@435: 
duke@435:  private:
duke@435:   PerfVariable*      _capacity;
duke@435:   PerfVariable*      _used;
duke@435: 
duke@435:   // Constant PerfData types don't need to retain a reference.
duke@435:   // However, it's a good idea to document them here.
duke@435:   // PerfConstant*     _size;
duke@435: 
duke@435:   MutableSpace*     _object_space;
duke@435:   char*             _name_space;
duke@435: 
duke@435:  public:
duke@435: 
duke@435:   SpaceCounters(const char* name, int ordinal, size_t max_size,
duke@435:                 MutableSpace* m, GenerationCounters* gc);
duke@435: 
duke@435:   ~SpaceCounters() {
zgu@3900:     if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtGC);
duke@435:   }
duke@435: 
duke@435:   inline void update_capacity() {
duke@435:     _capacity->set_value(_object_space->capacity_in_bytes());
duke@435:   }
duke@435: 
duke@435:   inline void update_used() {
duke@435:     _used->set_value(_object_space->used_in_bytes());
duke@435:   }
duke@435: 
duke@435:   inline void update_all() {
duke@435:     update_used();
duke@435:     update_capacity();
duke@435:   }
duke@435: 
duke@435:   const char* name_space() const        { return _name_space; }
duke@435: };
duke@435: 
duke@435: class MutableSpaceUsedHelper: public PerfLongSampleHelper {
duke@435:   private:
duke@435:     MutableSpace* _m;
duke@435: 
duke@435:   public:
duke@435:     MutableSpaceUsedHelper(MutableSpace* m) : _m(m) { }
duke@435: 
duke@435:     inline jlong take_sample() {
duke@435:       return _m->used_in_bytes();
duke@435:     }
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_SPACECOUNTERS_HPP