Thu, 19 Mar 2009 09:13:24 -0700
Merge
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 2003-2006 Sun Microsystems, Inc. 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 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // Forward declaration |
duke@435 | 26 | class MemoryPool; |
duke@435 | 27 | class MemoryManager; |
duke@435 | 28 | class GCMemoryManager; |
duke@435 | 29 | class CollectedHeap; |
duke@435 | 30 | class Generation; |
duke@435 | 31 | class DefNewGeneration; |
duke@435 | 32 | class PSYoungGen; |
duke@435 | 33 | class PSOldGen; |
duke@435 | 34 | class PSPermGen; |
duke@435 | 35 | class CodeHeap; |
duke@435 | 36 | class ContiguousSpace; |
duke@435 | 37 | class CompactibleFreeListSpace; |
duke@435 | 38 | class PermanentGenerationSpec; |
duke@435 | 39 | class GenCollectedHeap; |
duke@435 | 40 | class ParallelScavengeHeap; |
duke@435 | 41 | class CompactingPermGenGen; |
duke@435 | 42 | class CMSPermGenGen; |
duke@435 | 43 | |
duke@435 | 44 | // VM Monitoring and Management Support |
duke@435 | 45 | |
duke@435 | 46 | class MemoryService : public AllStatic { |
duke@435 | 47 | private: |
duke@435 | 48 | enum { |
duke@435 | 49 | init_pools_list_size = 10, |
duke@435 | 50 | init_managers_list_size = 5 |
duke@435 | 51 | }; |
duke@435 | 52 | |
duke@435 | 53 | // index for minor and major generations |
duke@435 | 54 | enum { |
duke@435 | 55 | minor = 0, |
duke@435 | 56 | major = 1, |
duke@435 | 57 | n_gens = 2 |
duke@435 | 58 | }; |
duke@435 | 59 | |
duke@435 | 60 | static GrowableArray<MemoryPool*>* _pools_list; |
duke@435 | 61 | static GrowableArray<MemoryManager*>* _managers_list; |
duke@435 | 62 | |
duke@435 | 63 | // memory managers for minor and major GC statistics |
duke@435 | 64 | static GCMemoryManager* _major_gc_manager; |
duke@435 | 65 | static GCMemoryManager* _minor_gc_manager; |
duke@435 | 66 | |
duke@435 | 67 | // Code heap memory pool |
duke@435 | 68 | static MemoryPool* _code_heap_pool; |
duke@435 | 69 | |
duke@435 | 70 | static void add_generation_memory_pool(Generation* gen, |
duke@435 | 71 | MemoryManager* major_mgr, |
duke@435 | 72 | MemoryManager* minor_mgr); |
duke@435 | 73 | static void add_generation_memory_pool(Generation* gen, |
duke@435 | 74 | MemoryManager* major_mgr) { |
duke@435 | 75 | add_generation_memory_pool(gen, major_mgr, NULL); |
duke@435 | 76 | } |
duke@435 | 77 | |
duke@435 | 78 | static void add_compact_perm_gen_memory_pool(CompactingPermGenGen* perm_gen, |
duke@435 | 79 | MemoryManager* mgr); |
duke@435 | 80 | static void add_cms_perm_gen_memory_pool(CMSPermGenGen* perm_gen, |
duke@435 | 81 | MemoryManager* mgr); |
duke@435 | 82 | |
duke@435 | 83 | static void add_psYoung_memory_pool(PSYoungGen* gen, |
duke@435 | 84 | MemoryManager* major_mgr, |
duke@435 | 85 | MemoryManager* minor_mgr); |
duke@435 | 86 | static void add_psOld_memory_pool(PSOldGen* gen, |
duke@435 | 87 | MemoryManager* mgr); |
duke@435 | 88 | static void add_psPerm_memory_pool(PSPermGen* perm, |
duke@435 | 89 | MemoryManager* mgr); |
duke@435 | 90 | |
duke@435 | 91 | |
duke@435 | 92 | static MemoryPool* add_space(ContiguousSpace* space, |
duke@435 | 93 | const char* name, |
duke@435 | 94 | bool is_heap, |
duke@435 | 95 | size_t max_size, |
duke@435 | 96 | bool support_usage_threshold); |
duke@435 | 97 | static MemoryPool* add_survivor_spaces(DefNewGeneration* gen, |
duke@435 | 98 | const char* name, |
duke@435 | 99 | bool is_heap, |
duke@435 | 100 | size_t max_size, |
duke@435 | 101 | bool support_usage_threshold); |
duke@435 | 102 | static MemoryPool* add_gen(Generation* gen, |
duke@435 | 103 | const char* name, |
duke@435 | 104 | bool is_heap, |
duke@435 | 105 | bool support_usage_threshold); |
duke@435 | 106 | static MemoryPool* add_cms_space(CompactibleFreeListSpace* space, |
duke@435 | 107 | const char* name, |
duke@435 | 108 | bool is_heap, |
duke@435 | 109 | size_t max_size, |
duke@435 | 110 | bool support_usage_threshold); |
duke@435 | 111 | |
duke@435 | 112 | static void add_gen_collected_heap_info(GenCollectedHeap* heap); |
duke@435 | 113 | static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap); |
duke@435 | 114 | |
duke@435 | 115 | public: |
duke@435 | 116 | static void set_universe_heap(CollectedHeap* heap); |
duke@435 | 117 | static void add_code_heap_memory_pool(CodeHeap* heap); |
duke@435 | 118 | |
duke@435 | 119 | static MemoryPool* get_memory_pool(instanceHandle pool); |
duke@435 | 120 | static MemoryManager* get_memory_manager(instanceHandle mgr); |
duke@435 | 121 | |
duke@435 | 122 | static const int num_memory_pools() { |
duke@435 | 123 | return _pools_list->length(); |
duke@435 | 124 | } |
duke@435 | 125 | static const int num_memory_managers() { |
duke@435 | 126 | return _managers_list->length(); |
duke@435 | 127 | } |
duke@435 | 128 | |
duke@435 | 129 | static MemoryPool* get_memory_pool(int index) { |
duke@435 | 130 | return _pools_list->at(index); |
duke@435 | 131 | } |
duke@435 | 132 | |
duke@435 | 133 | static MemoryManager* get_memory_manager(int index) { |
duke@435 | 134 | return _managers_list->at(index); |
duke@435 | 135 | } |
duke@435 | 136 | |
duke@435 | 137 | static void track_memory_usage(); |
duke@435 | 138 | static void track_code_cache_memory_usage() { |
duke@435 | 139 | track_memory_pool_usage(_code_heap_pool); |
duke@435 | 140 | } |
duke@435 | 141 | static void track_memory_pool_usage(MemoryPool* pool); |
duke@435 | 142 | |
duke@435 | 143 | static void gc_begin(bool fullGC); |
duke@435 | 144 | static void gc_end(bool fullGC); |
duke@435 | 145 | |
duke@435 | 146 | static void oops_do(OopClosure* f); |
duke@435 | 147 | |
duke@435 | 148 | static bool get_verbose() { return PrintGC; } |
duke@435 | 149 | static bool set_verbose(bool verbose); |
duke@435 | 150 | |
duke@435 | 151 | // Create an instance of java/lang/management/MemoryUsage |
duke@435 | 152 | static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS); |
duke@435 | 153 | }; |
duke@435 | 154 | |
duke@435 | 155 | class TraceMemoryManagerStats : public StackObj { |
duke@435 | 156 | private: |
duke@435 | 157 | bool _fullGC; |
duke@435 | 158 | public: |
duke@435 | 159 | TraceMemoryManagerStats(bool fullGC); |
duke@435 | 160 | TraceMemoryManagerStats(Generation::Name kind); |
duke@435 | 161 | ~TraceMemoryManagerStats(); |
duke@435 | 162 | }; |