1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/services/memoryService.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,162 @@
1.4 +/*
1.5 + * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +// Forward declaration
1.29 +class MemoryPool;
1.30 +class MemoryManager;
1.31 +class GCMemoryManager;
1.32 +class CollectedHeap;
1.33 +class Generation;
1.34 +class DefNewGeneration;
1.35 +class PSYoungGen;
1.36 +class PSOldGen;
1.37 +class PSPermGen;
1.38 +class CodeHeap;
1.39 +class ContiguousSpace;
1.40 +class CompactibleFreeListSpace;
1.41 +class PermanentGenerationSpec;
1.42 +class GenCollectedHeap;
1.43 +class ParallelScavengeHeap;
1.44 +class CompactingPermGenGen;
1.45 +class CMSPermGenGen;
1.46 +
1.47 +// VM Monitoring and Management Support
1.48 +
1.49 +class MemoryService : public AllStatic {
1.50 +private:
1.51 + enum {
1.52 + init_pools_list_size = 10,
1.53 + init_managers_list_size = 5
1.54 + };
1.55 +
1.56 + // index for minor and major generations
1.57 + enum {
1.58 + minor = 0,
1.59 + major = 1,
1.60 + n_gens = 2
1.61 + };
1.62 +
1.63 + static GrowableArray<MemoryPool*>* _pools_list;
1.64 + static GrowableArray<MemoryManager*>* _managers_list;
1.65 +
1.66 + // memory managers for minor and major GC statistics
1.67 + static GCMemoryManager* _major_gc_manager;
1.68 + static GCMemoryManager* _minor_gc_manager;
1.69 +
1.70 + // Code heap memory pool
1.71 + static MemoryPool* _code_heap_pool;
1.72 +
1.73 + static void add_generation_memory_pool(Generation* gen,
1.74 + MemoryManager* major_mgr,
1.75 + MemoryManager* minor_mgr);
1.76 + static void add_generation_memory_pool(Generation* gen,
1.77 + MemoryManager* major_mgr) {
1.78 + add_generation_memory_pool(gen, major_mgr, NULL);
1.79 + }
1.80 +
1.81 + static void add_compact_perm_gen_memory_pool(CompactingPermGenGen* perm_gen,
1.82 + MemoryManager* mgr);
1.83 + static void add_cms_perm_gen_memory_pool(CMSPermGenGen* perm_gen,
1.84 + MemoryManager* mgr);
1.85 +
1.86 + static void add_psYoung_memory_pool(PSYoungGen* gen,
1.87 + MemoryManager* major_mgr,
1.88 + MemoryManager* minor_mgr);
1.89 + static void add_psOld_memory_pool(PSOldGen* gen,
1.90 + MemoryManager* mgr);
1.91 + static void add_psPerm_memory_pool(PSPermGen* perm,
1.92 + MemoryManager* mgr);
1.93 +
1.94 +
1.95 + static MemoryPool* add_space(ContiguousSpace* space,
1.96 + const char* name,
1.97 + bool is_heap,
1.98 + size_t max_size,
1.99 + bool support_usage_threshold);
1.100 + static MemoryPool* add_survivor_spaces(DefNewGeneration* gen,
1.101 + const char* name,
1.102 + bool is_heap,
1.103 + size_t max_size,
1.104 + bool support_usage_threshold);
1.105 + static MemoryPool* add_gen(Generation* gen,
1.106 + const char* name,
1.107 + bool is_heap,
1.108 + bool support_usage_threshold);
1.109 + static MemoryPool* add_cms_space(CompactibleFreeListSpace* space,
1.110 + const char* name,
1.111 + bool is_heap,
1.112 + size_t max_size,
1.113 + bool support_usage_threshold);
1.114 +
1.115 + static void add_gen_collected_heap_info(GenCollectedHeap* heap);
1.116 + static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap);
1.117 +
1.118 +public:
1.119 + static void set_universe_heap(CollectedHeap* heap);
1.120 + static void add_code_heap_memory_pool(CodeHeap* heap);
1.121 +
1.122 + static MemoryPool* get_memory_pool(instanceHandle pool);
1.123 + static MemoryManager* get_memory_manager(instanceHandle mgr);
1.124 +
1.125 + static const int num_memory_pools() {
1.126 + return _pools_list->length();
1.127 + }
1.128 + static const int num_memory_managers() {
1.129 + return _managers_list->length();
1.130 + }
1.131 +
1.132 + static MemoryPool* get_memory_pool(int index) {
1.133 + return _pools_list->at(index);
1.134 + }
1.135 +
1.136 + static MemoryManager* get_memory_manager(int index) {
1.137 + return _managers_list->at(index);
1.138 + }
1.139 +
1.140 + static void track_memory_usage();
1.141 + static void track_code_cache_memory_usage() {
1.142 + track_memory_pool_usage(_code_heap_pool);
1.143 + }
1.144 + static void track_memory_pool_usage(MemoryPool* pool);
1.145 +
1.146 + static void gc_begin(bool fullGC);
1.147 + static void gc_end(bool fullGC);
1.148 +
1.149 + static void oops_do(OopClosure* f);
1.150 +
1.151 + static bool get_verbose() { return PrintGC; }
1.152 + static bool set_verbose(bool verbose);
1.153 +
1.154 + // Create an instance of java/lang/management/MemoryUsage
1.155 + static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS);
1.156 +};
1.157 +
1.158 +class TraceMemoryManagerStats : public StackObj {
1.159 +private:
1.160 + bool _fullGC;
1.161 +public:
1.162 + TraceMemoryManagerStats(bool fullGC);
1.163 + TraceMemoryManagerStats(Generation::Name kind);
1.164 + ~TraceMemoryManagerStats();
1.165 +};
