duke@435: /*
mikael@6198:  * Copyright (c) 2007, 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_SERVICES_PSMEMORYPOOL_HPP
stefank@2314: #define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
stefank@2314: 
jprovino@4542: #include "utilities/macros.hpp"
jprovino@4542: #if INCLUDE_ALL_GCS
stefank@2314: #include "gc_implementation/parallelScavenge/psOldGen.hpp"
stefank@2314: #include "gc_implementation/parallelScavenge/psYoungGen.hpp"
stefank@2314: #include "gc_implementation/shared/mutableSpace.hpp"
stefank@2314: #include "memory/defNewGeneration.hpp"
stefank@2314: #include "memory/heap.hpp"
stefank@2314: #include "memory/space.hpp"
stefank@2314: #include "services/memoryPool.hpp"
stefank@2314: #include "services/memoryUsage.hpp"
jprovino@4542: #endif // INCLUDE_ALL_GCS
stefank@2314: 
duke@435: class PSGenerationPool : public CollectedMemoryPool {
duke@435: private:
duke@435:   PSOldGen* _gen;
duke@435: 
duke@435: public:
duke@435:   PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold);
duke@435: 
duke@435:   MemoryUsage get_memory_usage();
duke@435:   size_t used_in_bytes()              { return _gen->used_in_bytes(); }
duke@435:   size_t max_size() const             { return _gen->reserved().byte_size(); }
duke@435: };
duke@435: 
duke@435: class EdenMutableSpacePool : public CollectedMemoryPool {
duke@435: private:
duke@435:   PSYoungGen*   _gen;
duke@435:   MutableSpace* _space;
duke@435: 
duke@435: public:
duke@435:   EdenMutableSpacePool(PSYoungGen* gen,
duke@435:                        MutableSpace* space,
duke@435:                        const char* name,
duke@435:                        PoolType type,
duke@435:                        bool support_usage_threshold);
duke@435: 
duke@435:   MutableSpace* space()                     { return _space; }
duke@435:   MemoryUsage get_memory_usage();
duke@435:   size_t used_in_bytes()                    { return space()->used_in_bytes(); }
duke@435:   size_t max_size() const {
duke@435:     // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces
duke@435:     return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes();
duke@435:   }
duke@435: };
duke@435: 
duke@435: class SurvivorMutableSpacePool : public CollectedMemoryPool {
duke@435: private:
duke@435:   PSYoungGen*   _gen;
duke@435: 
duke@435: public:
duke@435:   SurvivorMutableSpacePool(PSYoungGen* gen,
duke@435:                            const char* name,
duke@435:                            PoolType type,
duke@435:                            bool support_usage_threshold);
duke@435: 
duke@435:   MemoryUsage get_memory_usage();
duke@435: 
duke@435:   size_t used_in_bytes() {
duke@435:     return _gen->from_space()->used_in_bytes();
duke@435:   }
duke@435:   size_t committed_in_bytes() {
duke@435:     return _gen->from_space()->capacity_in_bytes();
duke@435:   }
duke@435:   size_t max_size() const {
duke@435:     // Return current committed size of the from-space
duke@435:     return _gen->from_space()->capacity_in_bytes();
duke@435:   }
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP