src/share/vm/services/psMemoryPool.hpp

Wed, 02 Feb 2011 14:38:01 -0500

author
kamg
date
Wed, 02 Feb 2011 14:38:01 -0500
changeset 2511
bf8517f4e4d0
parent 2314
f95d63e2154a
child 4037
da91efe96a93
permissions
-rw-r--r--

6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
Summary: Defer posting events from the compiler thread: use service thread
Reviewed-by: coleenp, dholmes, never, dcubed

duke@435 1 /*
stefank@2314 2 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
stefank@2314 26 #define SHARE_VM_SERVICES_PSMEMORYPOOL_HPP
stefank@2314 27
stefank@2314 28 #ifndef SERIALGC
stefank@2314 29 #include "gc_implementation/parallelScavenge/psOldGen.hpp"
stefank@2314 30 #include "gc_implementation/parallelScavenge/psYoungGen.hpp"
stefank@2314 31 #include "gc_implementation/shared/mutableSpace.hpp"
stefank@2314 32 #include "memory/defNewGeneration.hpp"
stefank@2314 33 #include "memory/heap.hpp"
stefank@2314 34 #include "memory/space.hpp"
stefank@2314 35 #include "services/memoryPool.hpp"
stefank@2314 36 #include "services/memoryUsage.hpp"
stefank@2314 37 #endif
stefank@2314 38
duke@435 39 class PSGenerationPool : public CollectedMemoryPool {
duke@435 40 private:
duke@435 41 PSOldGen* _gen;
duke@435 42
duke@435 43 public:
duke@435 44 PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold);
duke@435 45 PSGenerationPool(PSPermGen* pool, const char* name, PoolType type, bool support_usage_threshold);
duke@435 46
duke@435 47 MemoryUsage get_memory_usage();
duke@435 48 size_t used_in_bytes() { return _gen->used_in_bytes(); }
duke@435 49 size_t max_size() const { return _gen->reserved().byte_size(); }
duke@435 50 };
duke@435 51
duke@435 52 class EdenMutableSpacePool : public CollectedMemoryPool {
duke@435 53 private:
duke@435 54 PSYoungGen* _gen;
duke@435 55 MutableSpace* _space;
duke@435 56
duke@435 57 public:
duke@435 58 EdenMutableSpacePool(PSYoungGen* gen,
duke@435 59 MutableSpace* space,
duke@435 60 const char* name,
duke@435 61 PoolType type,
duke@435 62 bool support_usage_threshold);
duke@435 63
duke@435 64 MutableSpace* space() { return _space; }
duke@435 65 MemoryUsage get_memory_usage();
duke@435 66 size_t used_in_bytes() { return space()->used_in_bytes(); }
duke@435 67 size_t max_size() const {
duke@435 68 // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces
duke@435 69 return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes();
duke@435 70 }
duke@435 71 };
duke@435 72
duke@435 73 class SurvivorMutableSpacePool : public CollectedMemoryPool {
duke@435 74 private:
duke@435 75 PSYoungGen* _gen;
duke@435 76
duke@435 77 public:
duke@435 78 SurvivorMutableSpacePool(PSYoungGen* gen,
duke@435 79 const char* name,
duke@435 80 PoolType type,
duke@435 81 bool support_usage_threshold);
duke@435 82
duke@435 83 MemoryUsage get_memory_usage();
duke@435 84
duke@435 85 size_t used_in_bytes() {
duke@435 86 return _gen->from_space()->used_in_bytes();
duke@435 87 }
duke@435 88 size_t committed_in_bytes() {
duke@435 89 return _gen->from_space()->capacity_in_bytes();
duke@435 90 }
duke@435 91 size_t max_size() const {
duke@435 92 // Return current committed size of the from-space
duke@435 93 return _gen->from_space()->capacity_in_bytes();
duke@435 94 }
duke@435 95 };
stefank@2314 96
stefank@2314 97 #endif // SHARE_VM_SERVICES_PSMEMORYPOOL_HPP

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