| /* |
| * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| // Forward declaration |
| class MemoryPool; |
| class MemoryManager; |
| class GCMemoryManager; |
| class CollectedHeap; |
| class Generation; |
| class DefNewGeneration; |
| class PSYoungGen; |
| class PSOldGen; |
| class PSPermGen; |
| class CodeHeap; |
| class ContiguousSpace; |
| class CompactibleFreeListSpace; |
| class PermanentGenerationSpec; |
| class GenCollectedHeap; |
| class ParallelScavengeHeap; |
| class CompactingPermGenGen; |
| class CMSPermGenGen; |
| |
| // VM Monitoring and Management Support |
| |
| class MemoryService : public AllStatic { |
| private: |
| enum { |
| init_pools_list_size = 10, |
| init_managers_list_size = 5 |
| }; |
| |
| // index for minor and major generations |
| enum { |
| minor = 0, |
| major = 1, |
| n_gens = 2 |
| }; |
| |
| static GrowableArray<MemoryPool*>* _pools_list; |
| static GrowableArray<MemoryManager*>* _managers_list; |
| |
| // memory managers for minor and major GC statistics |
| static GCMemoryManager* _major_gc_manager; |
| static GCMemoryManager* _minor_gc_manager; |
| |
| // Code heap memory pool |
| static MemoryPool* _code_heap_pool; |
| |
| static void add_generation_memory_pool(Generation* gen, |
| MemoryManager* major_mgr, |
| MemoryManager* minor_mgr); |
| static void add_generation_memory_pool(Generation* gen, |
| MemoryManager* major_mgr) { |
| add_generation_memory_pool(gen, major_mgr, NULL); |
| } |
| |
| static void add_compact_perm_gen_memory_pool(CompactingPermGenGen* perm_gen, |
| MemoryManager* mgr); |
| static void add_cms_perm_gen_memory_pool(CMSPermGenGen* perm_gen, |
| MemoryManager* mgr); |
| |
| static void add_psYoung_memory_pool(PSYoungGen* gen, |
| MemoryManager* major_mgr, |
| MemoryManager* minor_mgr); |
| static void add_psOld_memory_pool(PSOldGen* gen, |
| MemoryManager* mgr); |
| static void add_psPerm_memory_pool(PSPermGen* perm, |
| MemoryManager* mgr); |
| |
| |
| static MemoryPool* add_space(ContiguousSpace* space, |
| const char* name, |
| bool is_heap, |
| size_t max_size, |
| bool support_usage_threshold); |
| static MemoryPool* add_survivor_spaces(DefNewGeneration* gen, |
| const char* name, |
| bool is_heap, |
| size_t max_size, |
| bool support_usage_threshold); |
| static MemoryPool* add_gen(Generation* gen, |
| const char* name, |
| bool is_heap, |
| bool support_usage_threshold); |
| static MemoryPool* add_cms_space(CompactibleFreeListSpace* space, |
| const char* name, |
| bool is_heap, |
| size_t max_size, |
| bool support_usage_threshold); |
| |
| static void add_gen_collected_heap_info(GenCollectedHeap* heap); |
| static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap); |
| |
| public: |
| static void set_universe_heap(CollectedHeap* heap); |
| static void add_code_heap_memory_pool(CodeHeap* heap); |
| |
| static MemoryPool* get_memory_pool(instanceHandle pool); |
| static MemoryManager* get_memory_manager(instanceHandle mgr); |
| |
| static const int num_memory_pools() { |
| return _pools_list->length(); |
| } |
| static const int num_memory_managers() { |
| return _managers_list->length(); |
| } |
| |
| static MemoryPool* get_memory_pool(int index) { |
| return _pools_list->at(index); |
| } |
| |
| static MemoryManager* get_memory_manager(int index) { |
| return _managers_list->at(index); |
| } |
| |
| static void track_memory_usage(); |
| static void track_code_cache_memory_usage() { |
| track_memory_pool_usage(_code_heap_pool); |
| } |
| static void track_memory_pool_usage(MemoryPool* pool); |
| |
| static void gc_begin(bool fullGC); |
| static void gc_end(bool fullGC); |
| |
| static void oops_do(OopClosure* f); |
| |
| static bool get_verbose() { return PrintGC; } |
| static bool set_verbose(bool verbose); |
| |
| // Create an instance of java/lang/management/MemoryUsage |
| static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS); |
| }; |
| |
| class TraceMemoryManagerStats : public StackObj { |
| private: |
| bool _fullGC; |
| public: |
| TraceMemoryManagerStats(bool fullGC); |
| TraceMemoryManagerStats(Generation::Name kind); |
| ~TraceMemoryManagerStats(); |
| }; |