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src/hotspot/share/services/memoryService.hpp

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rev 47884 : 8191564: Refactor GC related servicability code into GC specific subclasses
   1 /*
   2  * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


  54 private:
  55   enum {
  56     init_pools_list_size = 10,
  57     init_managers_list_size = 5,
  58     init_code_heap_pools_size = 9
  59   };
  60 
  61   static GrowableArray<MemoryPool*>*    _pools_list;
  62   static GrowableArray<MemoryManager*>* _managers_list;
  63 
  64   // memory managers for minor and major GC statistics
  65   static GCMemoryManager*               _major_gc_manager;
  66   static GCMemoryManager*               _minor_gc_manager;
  67 
  68   // memory manager and code heap pools for the CodeCache
  69   static MemoryManager*                 _code_cache_manager;
  70   static GrowableArray<MemoryPool*>*    _code_heap_pools;
  71 
  72   static MemoryPool*                    _metaspace_pool;
  73   static MemoryPool*                    _compressed_class_pool;
  74 
  75   static void add_generation_memory_pool(Generation* gen,
  76                                          MemoryManager* major_mgr,
  77                                          MemoryManager* minor_mgr);
  78   static void add_generation_memory_pool(Generation* gen,
  79                                          MemoryManager* major_mgr) {
  80     add_generation_memory_pool(gen, major_mgr, NULL);
  81   }
  82 
  83 
  84   static void add_psYoung_memory_pool(PSYoungGen* young_gen,
  85                                       MemoryManager* major_mgr,
  86                                       MemoryManager* minor_mgr);
  87   static void add_psOld_memory_pool(PSOldGen* old_gen,
  88                                     MemoryManager* mgr);
  89 
  90   static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
  91                                          MemoryManager* major_mgr,
  92                                          MemoryManager* minor_mgr);
  93   static void add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
  94                                        MemoryManager* mgr);
  95 
  96   static MemoryPool* add_space(ContiguousSpace* space,
  97                                const char* name,
  98                                bool is_heap,
  99                                size_t max_size,
 100                                bool support_usage_threshold);
 101   static MemoryPool* add_survivor_spaces(DefNewGeneration* young_gen,
 102                                          const char* name,
 103                                          bool is_heap,
 104                                          size_t max_size,
 105                                          bool support_usage_threshold);
 106   static MemoryPool* add_gen(Generation* gen,
 107                              const char* name,
 108                              bool is_heap,
 109                              bool support_usage_threshold);
 110   static MemoryPool* add_cms_space(CompactibleFreeListSpace* space,
 111                                    const char* name,
 112                                    bool is_heap,
 113                                    size_t max_size,
 114                                    bool support_usage_threshold);
 115 
 116   static void add_gen_collected_heap_info(GenCollectedHeap* heap);
 117   static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap);
 118   static void add_g1_heap_info(G1CollectedHeap* g1h);
 119 
 120 public:
 121   static void set_universe_heap(CollectedHeap* heap);
 122   static void add_code_heap_memory_pool(CodeHeap* heap, const char* name);
 123   static void add_metaspace_memory_pools();
 124 
 125   static MemoryPool*    get_memory_pool(instanceHandle pool);
 126   static MemoryManager* get_memory_manager(instanceHandle mgr);
 127 
 128   static const int num_memory_pools() {
 129     return _pools_list->length();
 130   }
 131   static const int num_memory_managers() {
 132     return _managers_list->length();
 133   }
 134 
 135   static MemoryPool* get_memory_pool(int index) {
 136     return _pools_list->at(index);
 137   }
 138 


   1 /*
   2  * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *


  54 private:
  55   enum {
  56     init_pools_list_size = 10,
  57     init_managers_list_size = 5,
  58     init_code_heap_pools_size = 9
  59   };
  60 
  61   static GrowableArray<MemoryPool*>*    _pools_list;
  62   static GrowableArray<MemoryManager*>* _managers_list;
  63 
  64   // memory managers for minor and major GC statistics
  65   static GCMemoryManager*               _major_gc_manager;
  66   static GCMemoryManager*               _minor_gc_manager;
  67 
  68   // memory manager and code heap pools for the CodeCache
  69   static MemoryManager*                 _code_cache_manager;
  70   static GrowableArray<MemoryPool*>*    _code_heap_pools;
  71 
  72   static MemoryPool*                    _metaspace_pool;
  73   static MemoryPool*                    _compressed_class_pool;













































  74 
  75 public:
  76   static void set_universe_heap(CollectedHeap* heap);
  77   static void add_code_heap_memory_pool(CodeHeap* heap, const char* name);
  78   static void add_metaspace_memory_pools();
  79 
  80   static MemoryPool*    get_memory_pool(instanceHandle pool);
  81   static MemoryManager* get_memory_manager(instanceHandle mgr);
  82 
  83   static const int num_memory_pools() {
  84     return _pools_list->length();
  85   }
  86   static const int num_memory_managers() {
  87     return _managers_list->length();
  88   }
  89 
  90   static MemoryPool* get_memory_pool(int index) {
  91     return _pools_list->at(index);
  92   }
  93 


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