src/share/vm/services/memoryService.hpp

Tue, 24 Jul 2012 10:51:00 -0700

author
twisti
date
Tue, 24 Jul 2012 10:51:00 -0700
changeset 3969
1d7922586cf6
parent 2888
78542e2b5e35
child 4037
da91efe96a93
permissions
-rw-r--r--

7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>

     1 /*
     2  * Copyright (c) 2003, 2010, 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  *
    23  */
    25 #ifndef SHARE_VM_SERVICES_MEMORYSERVICE_HPP
    26 #define SHARE_VM_SERVICES_MEMORYSERVICE_HPP
    28 #include "memory/allocation.hpp"
    29 #include "memory/generation.hpp"
    30 #include "runtime/handles.hpp"
    31 #include "services/memoryUsage.hpp"
    32 #include "gc_interface/gcCause.hpp"
    34 // Forward declaration
    35 class MemoryPool;
    36 class MemoryManager;
    37 class GCMemoryManager;
    38 class CollectedHeap;
    39 class Generation;
    40 class DefNewGeneration;
    41 class PSYoungGen;
    42 class PSOldGen;
    43 class PSPermGen;
    44 class CodeHeap;
    45 class ContiguousSpace;
    46 class CompactibleFreeListSpace;
    47 class PermanentGenerationSpec;
    48 class GenCollectedHeap;
    49 class ParallelScavengeHeap;
    50 class CompactingPermGenGen;
    51 class CMSPermGenGen;
    52 class G1CollectedHeap;
    54 // VM Monitoring and Management Support
    56 class MemoryService : public AllStatic {
    57 private:
    58   enum {
    59     init_pools_list_size = 10,
    60     init_managers_list_size = 5
    61   };
    63   // index for minor and major generations
    64   enum {
    65     minor = 0,
    66     major = 1,
    67     n_gens = 2
    68   };
    70   static GrowableArray<MemoryPool*>*    _pools_list;
    71   static GrowableArray<MemoryManager*>* _managers_list;
    73   // memory managers for minor and major GC statistics
    74   static GCMemoryManager*               _major_gc_manager;
    75   static GCMemoryManager*               _minor_gc_manager;
    77   // Code heap memory pool
    78   static MemoryPool*                    _code_heap_pool;
    80   static void add_generation_memory_pool(Generation* gen,
    81                                          MemoryManager* major_mgr,
    82                                          MemoryManager* minor_mgr);
    83   static void add_generation_memory_pool(Generation* gen,
    84                                          MemoryManager* major_mgr) {
    85     add_generation_memory_pool(gen, major_mgr, NULL);
    86   }
    88   static void add_compact_perm_gen_memory_pool(CompactingPermGenGen* perm_gen,
    89                                                MemoryManager* mgr);
    90   static void add_cms_perm_gen_memory_pool(CMSPermGenGen* perm_gen,
    91                                            MemoryManager* mgr);
    93   static void add_psYoung_memory_pool(PSYoungGen* gen,
    94                                       MemoryManager* major_mgr,
    95                                       MemoryManager* minor_mgr);
    96   static void add_psOld_memory_pool(PSOldGen* gen,
    97                                     MemoryManager* mgr);
    98   static void add_psPerm_memory_pool(PSPermGen* perm,
    99                                      MemoryManager* mgr);
   101   static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
   102                                          MemoryManager* major_mgr,
   103                                          MemoryManager* minor_mgr);
   104   static void add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
   105                                        MemoryManager* mgr);
   106   static void add_g1PermGen_memory_pool(G1CollectedHeap* g1h,
   107                                         MemoryManager* mgr);
   109   static MemoryPool* add_space(ContiguousSpace* space,
   110                                const char* name,
   111                                bool is_heap,
   112                                size_t max_size,
   113                                bool support_usage_threshold);
   114   static MemoryPool* add_survivor_spaces(DefNewGeneration* gen,
   115                                          const char* name,
   116                                          bool is_heap,
   117                                          size_t max_size,
   118                                          bool support_usage_threshold);
   119   static MemoryPool* add_gen(Generation* gen,
   120                              const char* name,
   121                              bool is_heap,
   122                              bool support_usage_threshold);
   123   static MemoryPool* add_cms_space(CompactibleFreeListSpace* space,
   124                                    const char* name,
   125                                    bool is_heap,
   126                                    size_t max_size,
   127                                    bool support_usage_threshold);
   129   static void add_gen_collected_heap_info(GenCollectedHeap* heap);
   130   static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap);
   131   static void add_g1_heap_info(G1CollectedHeap* g1h);
   133 public:
   134   static void set_universe_heap(CollectedHeap* heap);
   135   static void add_code_heap_memory_pool(CodeHeap* heap);
   137   static MemoryPool*    get_memory_pool(instanceHandle pool);
   138   static MemoryManager* get_memory_manager(instanceHandle mgr);
   140   static const int num_memory_pools() {
   141     return _pools_list->length();
   142   }
   143   static const int num_memory_managers() {
   144     return _managers_list->length();
   145   }
   147   static MemoryPool* get_memory_pool(int index) {
   148     return _pools_list->at(index);
   149   }
   151   static MemoryManager* get_memory_manager(int index) {
   152     return _managers_list->at(index);
   153   }
   155   static void track_memory_usage();
   156   static void track_code_cache_memory_usage() {
   157     track_memory_pool_usage(_code_heap_pool);
   158   }
   159   static void track_memory_pool_usage(MemoryPool* pool);
   161   static void gc_begin(bool fullGC, bool recordGCBeginTime,
   162                        bool recordAccumulatedGCTime,
   163                        bool recordPreGCUsage, bool recordPeakUsage);
   164   static void gc_end(bool fullGC, bool recordPostGCUsage,
   165                      bool recordAccumulatedGCTime,
   166                      bool recordGCEndTime, bool countCollection,
   167                      GCCause::Cause cause);
   170   static void oops_do(OopClosure* f);
   172   static bool get_verbose() { return PrintGC; }
   173   static bool set_verbose(bool verbose);
   175   // Create an instance of java/lang/management/MemoryUsage
   176   static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS);
   178   static const GCMemoryManager* get_minor_gc_manager() {
   179       return _minor_gc_manager;
   180   }
   182   static const GCMemoryManager* get_major_gc_manager() {
   183       return _major_gc_manager;
   184   }
   185 };
   187 class TraceMemoryManagerStats : public StackObj {
   188 private:
   189   bool         _fullGC;
   190   bool         _recordGCBeginTime;
   191   bool         _recordPreGCUsage;
   192   bool         _recordPeakUsage;
   193   bool         _recordPostGCUsage;
   194   bool         _recordAccumulatedGCTime;
   195   bool         _recordGCEndTime;
   196   bool         _countCollection;
   197   GCCause::Cause _cause;
   198 public:
   199   TraceMemoryManagerStats() {}
   200   TraceMemoryManagerStats(bool fullGC,
   201                           GCCause::Cause cause,
   202                           bool recordGCBeginTime = true,
   203                           bool recordPreGCUsage = true,
   204                           bool recordPeakUsage = true,
   205                           bool recordPostGCUsage = true,
   206                           bool recordAccumulatedGCTime = true,
   207                           bool recordGCEndTime = true,
   208                           bool countCollection = true);
   210   void initialize(bool fullGC,
   211                   GCCause::Cause cause,
   212                   bool recordGCBeginTime,
   213                   bool recordPreGCUsage,
   214                   bool recordPeakUsage,
   215                   bool recordPostGCUsage,
   216                   bool recordAccumulatedGCTime,
   217                   bool recordGCEndTime,
   218                   bool countCollection);
   220   TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause);
   221   ~TraceMemoryManagerStats();
   222 };
   224 #endif // SHARE_VM_SERVICES_MEMORYSERVICE_HPP

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