1 /*
   2  * Copyright (c) 2003, 2013, 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 #include "precompiled.hpp"
  26 #include "classfile/systemDictionary.hpp"
  27 #include "classfile/vmSymbols.hpp"
  28 #include "oops/oop.inline.hpp"
  29 #include "runtime/handles.inline.hpp"
  30 #include "runtime/javaCalls.hpp"
  31 #include "runtime/orderAccess.inline.hpp"
  32 #include "services/lowMemoryDetector.hpp"
  33 #include "services/management.hpp"
  34 #include "services/memoryManager.hpp"
  35 #include "services/memoryPool.hpp"
  36 #include "services/memoryService.hpp"
  37 #include "services/gcNotifier.hpp"
  38 #include "utilities/dtrace.hpp"
  39 
  40 MemoryManager::MemoryManager() {
  41   _num_pools = 0;
  42   (void)const_cast<instanceOop&>(_memory_mgr_obj = NULL);
  43 }
  44 
  45 void MemoryManager::add_pool(MemoryPool* pool) {
  46   assert(_num_pools < MemoryManager::max_num_pools, "_num_pools exceeds the max");
  47   if (_num_pools < MemoryManager::max_num_pools) {
  48     _pools[_num_pools] = pool;
  49     _num_pools++;
  50   }
  51   pool->add_manager(this);
  52 }
  53 
  54 MemoryManager* MemoryManager::get_code_cache_memory_manager() {
  55   return (MemoryManager*) new CodeCacheMemoryManager();
  56 }
  57 
  58 MemoryManager* MemoryManager::get_metaspace_memory_manager() {
  59   return (MemoryManager*) new MetaspaceMemoryManager();
  60 }
  61 
  62 GCMemoryManager* MemoryManager::get_copy_memory_manager() {

   1 /*
   2  * Copyright (c) 2003, 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 #include "precompiled.hpp"
  26 #include "classfile/systemDictionary.hpp"
  27 #include "classfile/vmSymbols.hpp"
  28 #include "oops/oop.inline.hpp"
  29 #include "runtime/handles.inline.hpp"
  30 #include "runtime/javaCalls.hpp"
  31 #include "runtime/orderAccess.inline.hpp"
  32 #include "services/lowMemoryDetector.hpp"
  33 #include "services/management.hpp"
  34 #include "services/memoryManager.hpp"
  35 #include "services/memoryPool.hpp"
  36 #include "services/memoryService.hpp"
  37 #include "services/gcNotifier.hpp"
  38 #include "utilities/dtrace.hpp"
  39 
  40 MemoryManager::MemoryManager() {
  41   _num_pools = 0;
  42   (void)const_cast<instanceOop&>(_memory_mgr_obj = instanceOop(NULL));
  43 }
  44 
  45 void MemoryManager::add_pool(MemoryPool* pool) {
  46   assert(_num_pools < MemoryManager::max_num_pools, "_num_pools exceeds the max");
  47   if (_num_pools < MemoryManager::max_num_pools) {
  48     _pools[_num_pools] = pool;
  49     _num_pools++;
  50   }
  51   pool->add_manager(this);
  52 }
  53 
  54 MemoryManager* MemoryManager::get_code_cache_memory_manager() {
  55   return (MemoryManager*) new CodeCacheMemoryManager();
  56 }
  57 
  58 MemoryManager* MemoryManager::get_metaspace_memory_manager() {
  59   return (MemoryManager*) new MetaspaceMemoryManager();
  60 }
  61 
  62 GCMemoryManager* MemoryManager::get_copy_memory_manager() {