| /* |
| * Copyright (c) 2003, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef SHARE_VM_SERVICES_MEMORYSERVICE_HPP |
| #define SHARE_VM_SERVICES_MEMORYSERVICE_HPP |
| |
| #include "memory/allocation.hpp" |
| #include "memory/generation.hpp" |
| #include "runtime/handles.hpp" |
| #include "services/memoryUsage.hpp" |
| #include "gc_interface/gcCause.hpp" |
| |
| // Forward declaration |
| class MemoryPool; |
| class MemoryManager; |
| class GCMemoryManager; |
| class CollectedHeap; |
| class Generation; |
| class DefNewGeneration; |
| class PSYoungGen; |
| class PSOldGen; |
| class CodeHeap; |
| class ContiguousSpace; |
| class CompactibleFreeListSpace; |
| class GenCollectedHeap; |
| class ParallelScavengeHeap; |
| class G1CollectedHeap; |
| |
| // VM Monitoring and Management Support |
| |
| class MemoryService : public AllStatic { |
| private: |
| enum { |
| init_pools_list_size = 10, |
| init_managers_list_size = 5, |
| init_code_heap_pools_size = 9 |
| }; |
| |
| 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; |
| |
| // memory manager and code heap pools for the CodeCache |
| static MemoryManager* _code_cache_manager; |
| static GrowableArray<MemoryPool*>* _code_heap_pools; |
| |
| static MemoryPool* _metaspace_pool; |
| static MemoryPool* _compressed_class_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_psYoung_memory_pool(PSYoungGen* gen, |
| MemoryManager* major_mgr, |
| MemoryManager* minor_mgr); |
| static void add_psOld_memory_pool(PSOldGen* gen, |
| MemoryManager* mgr); |
| |
| static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h, |
| MemoryManager* major_mgr, |
| MemoryManager* minor_mgr); |
| static void add_g1OldGen_memory_pool(G1CollectedHeap* g1h, |
| 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); |
| static void add_g1_heap_info(G1CollectedHeap* g1h); |
| |
| public: |
| static void set_universe_heap(CollectedHeap* heap); |
| static void add_code_heap_memory_pool(CodeHeap* heap, const char* name); |
| static void add_metaspace_memory_pools(); |
| |
| 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 of all CodeCache memory pools |
| for (int i = 0; i < _code_heap_pools->length(); ++i) { |
| track_memory_pool_usage(_code_heap_pools->at(i)); |
| } |
| } |
| static void track_metaspace_memory_usage() { |
| track_memory_pool_usage(_metaspace_pool); |
| } |
| static void track_compressed_class_memory_usage() { |
| track_memory_pool_usage(_compressed_class_pool); |
| } |
| static void track_memory_pool_usage(MemoryPool* pool); |
| |
| static void gc_begin(bool fullGC, bool recordGCBeginTime, |
| bool recordAccumulatedGCTime, |
| bool recordPreGCUsage, bool recordPeakUsage); |
| static void gc_end(bool fullGC, bool recordPostGCUsage, |
| bool recordAccumulatedGCTime, |
| bool recordGCEndTime, bool countCollection, |
| GCCause::Cause cause); |
| |
| |
| 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); |
| |
| static const GCMemoryManager* get_minor_gc_manager() { |
| return _minor_gc_manager; |
| } |
| |
| static const GCMemoryManager* get_major_gc_manager() { |
| return _major_gc_manager; |
| } |
| }; |
| |
| class TraceMemoryManagerStats : public StackObj { |
| private: |
| bool _fullGC; |
| bool _recordGCBeginTime; |
| bool _recordPreGCUsage; |
| bool _recordPeakUsage; |
| bool _recordPostGCUsage; |
| bool _recordAccumulatedGCTime; |
| bool _recordGCEndTime; |
| bool _countCollection; |
| GCCause::Cause _cause; |
| public: |
| TraceMemoryManagerStats() {} |
| TraceMemoryManagerStats(bool fullGC, |
| GCCause::Cause cause, |
| bool recordGCBeginTime = true, |
| bool recordPreGCUsage = true, |
| bool recordPeakUsage = true, |
| bool recordPostGCUsage = true, |
| bool recordAccumulatedGCTime = true, |
| bool recordGCEndTime = true, |
| bool countCollection = true); |
| |
| void initialize(bool fullGC, |
| GCCause::Cause cause, |
| bool recordGCBeginTime, |
| bool recordPreGCUsage, |
| bool recordPeakUsage, |
| bool recordPostGCUsage, |
| bool recordAccumulatedGCTime, |
| bool recordGCEndTime, |
| bool countCollection); |
| |
| TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause); |
| ~TraceMemoryManagerStats(); |
| }; |
| |
| #endif // SHARE_VM_SERVICES_MEMORYSERVICE_HPP |