1 /*
   2  * Copyright (c) 2007, 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 "incls/_precompiled.incl"
  26 # include "incls/_psMemoryPool.cpp.incl"









  27 
  28 PSGenerationPool::PSGenerationPool(PSOldGen* gen,
  29                                    const char* name,
  30                                    PoolType type,
  31                                    bool support_usage_threshold) :
  32   CollectedMemoryPool(name, type, gen->capacity_in_bytes(),
  33                       gen->reserved().byte_size(), support_usage_threshold), _gen(gen) {
  34 }
  35 
  36 PSGenerationPool::PSGenerationPool(PSPermGen* gen,
  37                                    const char* name,
  38                                    PoolType type,
  39                                    bool support_usage_threshold) :
  40   CollectedMemoryPool(name, type, gen->capacity_in_bytes(),
  41                       gen->reserved().byte_size(), support_usage_threshold), _gen(gen) {
  42 }
  43 
  44 MemoryUsage PSGenerationPool::get_memory_usage() {
  45   size_t maxSize   = (available_for_allocation() ? max_size() : 0);
  46   size_t used      = used_in_bytes();

   1 /*
   2  * Copyright (c) 2007, 2010, 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 "gc_implementation/parallelScavenge/psPermGen.hpp"
  29 #include "oops/oop.inline.hpp"
  30 #include "runtime/handles.inline.hpp"
  31 #include "runtime/javaCalls.hpp"
  32 #include "services/lowMemoryDetector.hpp"
  33 #include "services/management.hpp"
  34 #include "services/memoryManager.hpp"
  35 #include "services/psMemoryPool.hpp"
  36 
  37 PSGenerationPool::PSGenerationPool(PSOldGen* gen,
  38                                    const char* name,
  39                                    PoolType type,
  40                                    bool support_usage_threshold) :
  41   CollectedMemoryPool(name, type, gen->capacity_in_bytes(),
  42                       gen->reserved().byte_size(), support_usage_threshold), _gen(gen) {
  43 }
  44 
  45 PSGenerationPool::PSGenerationPool(PSPermGen* gen,
  46                                    const char* name,
  47                                    PoolType type,
  48                                    bool support_usage_threshold) :
  49   CollectedMemoryPool(name, type, gen->capacity_in_bytes(),
  50                       gen->reserved().byte_size(), support_usage_threshold), _gen(gen) {
  51 }
  52 
  53 MemoryUsage PSGenerationPool::get_memory_usage() {
  54   size_t maxSize   = (available_for_allocation() ? max_size() : 0);
  55   size_t used      = used_in_bytes();