jdk8-mips64-public/hotspot: src/share/vm/services/memoryService.cpp@7944aba7ba41

8015107: NPG: Use consistent naming for metaspace concepts
Reviewed-by: coleenp, mgerdin, hseigel

     1 /*

     2  * Copyright (c) 2003, 2012, 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 #include "precompiled.hpp"

    26 #include "classfile/systemDictionary.hpp"

    27 #include "classfile/vmSymbols.hpp"

    28 #include "gc_implementation/shared/mutableSpace.hpp"

    29 #include "memory/collectorPolicy.hpp"

    30 #include "memory/defNewGeneration.hpp"

    31 #include "memory/genCollectedHeap.hpp"

    32 #include "memory/generation.hpp"

    33 #include "memory/generationSpec.hpp"

    34 #include "memory/heap.hpp"

    35 #include "memory/memRegion.hpp"

    36 #include "memory/tenuredGeneration.hpp"

    37 #include "oops/oop.inline.hpp"

    38 #include "runtime/globals.hpp"

    39 #include "runtime/javaCalls.hpp"

    40 #include "services/classLoadingService.hpp"

    41 #include "services/lowMemoryDetector.hpp"

    42 #include "services/management.hpp"

    43 #include "services/memoryManager.hpp"

    44 #include "services/memoryPool.hpp"

    45 #include "services/memoryService.hpp"

    46 #include "utilities/growableArray.hpp"

    47 #include "utilities/macros.hpp"

    48 #if INCLUDE_ALL_GCS

    49 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp"

    50 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"

    51 #include "gc_implementation/parNew/parNewGeneration.hpp"

    52 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"

    53 #include "gc_implementation/parallelScavenge/psOldGen.hpp"

    54 #include "gc_implementation/parallelScavenge/psYoungGen.hpp"

    55 #include "services/g1MemoryPool.hpp"

    56 #include "services/psMemoryPool.hpp"

    57 #endif // INCLUDE_ALL_GCS

    59 GrowableArray<MemoryPool*>* MemoryService::_pools_list =

    60   new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryPool*>(init_pools_list_size, true);

    61 GrowableArray<MemoryManager*>* MemoryService::_managers_list =

    62   new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryManager*>(init_managers_list_size, true);

    64 GCMemoryManager* MemoryService::_minor_gc_manager      = NULL;

    65 GCMemoryManager* MemoryService::_major_gc_manager      = NULL;

    66 MemoryPool*      MemoryService::_code_heap_pool        = NULL;

    67 MemoryPool*      MemoryService::_metaspace_pool        = NULL;

    68 MemoryPool*      MemoryService::_compressed_class_pool = NULL;

    70 class GcThreadCountClosure: public ThreadClosure {

    71  private:

    72   int _count;

    73  public:

    74   GcThreadCountClosure() : _count(0) {};

    75   void do_thread(Thread* thread);

    76   int count() { return _count; }

    77 };

    79 void GcThreadCountClosure::do_thread(Thread* thread) {

    80   _count++;

    81 }

    83 void MemoryService::set_universe_heap(CollectedHeap* heap) {

    84   CollectedHeap::Name kind = heap->kind();

    85   switch (kind) {

    86     case CollectedHeap::GenCollectedHeap : {

    87       add_gen_collected_heap_info(GenCollectedHeap::heap());

    88       break;

    89     }

    90 #if INCLUDE_ALL_GCS

    91     case CollectedHeap::ParallelScavengeHeap : {

    92       add_parallel_scavenge_heap_info(ParallelScavengeHeap::heap());

    93       break;

    94     }

    95     case CollectedHeap::G1CollectedHeap : {

    96       add_g1_heap_info(G1CollectedHeap::heap());

    97       break;

    98     }

    99 #endif // INCLUDE_ALL_GCS

   100     default: {

   101       guarantee(false, "Unrecognized kind of heap");

   102     }

   103   }

   105   // set the GC thread count

   106   GcThreadCountClosure gctcc;

   107   heap->gc_threads_do(&gctcc);

   108   int count = gctcc.count();

   109   if (count > 0) {

   110     _minor_gc_manager->set_num_gc_threads(count);

   111     _major_gc_manager->set_num_gc_threads(count);

   112   }

   114   // All memory pools and memory managers are initialized.

   115   //

   116   _minor_gc_manager->initialize_gc_stat_info();

   117   _major_gc_manager->initialize_gc_stat_info();

   118 }

   120 // Add memory pools for GenCollectedHeap

   121 // This function currently only supports two generations collected heap.

   122 // The collector for GenCollectedHeap will have two memory managers.

   123 void MemoryService::add_gen_collected_heap_info(GenCollectedHeap* heap) {

   124   CollectorPolicy* policy = heap->collector_policy();

   126   assert(policy->is_two_generation_policy(), "Only support two generations");

   127   guarantee(heap->n_gens() == 2, "Only support two-generation heap");

   129   TwoGenerationCollectorPolicy* two_gen_policy = policy->as_two_generation_policy();

   130   if (two_gen_policy != NULL) {

   131     GenerationSpec** specs = two_gen_policy->generations();

   132     Generation::Name kind = specs[0]->name();

   133     switch (kind) {

   134       case Generation::DefNew:

   135         _minor_gc_manager = MemoryManager::get_copy_memory_manager();

   136         break;

   137 #if INCLUDE_ALL_GCS

   138       case Generation::ParNew:

   139       case Generation::ASParNew:

   140         _minor_gc_manager = MemoryManager::get_parnew_memory_manager();

   141         break;

   142 #endif // INCLUDE_ALL_GCS

   143       default:

   144         guarantee(false, "Unrecognized generation spec");

   145         break;

   146     }

   147     if (policy->is_mark_sweep_policy()) {

   148       _major_gc_manager = MemoryManager::get_msc_memory_manager();

   149 #if INCLUDE_ALL_GCS

   150     } else if (policy->is_concurrent_mark_sweep_policy()) {

   151       _major_gc_manager = MemoryManager::get_cms_memory_manager();

   152 #endif // INCLUDE_ALL_GCS

   153     } else {

   154       guarantee(false, "Unknown two-gen policy");

   155     }

   156   } else {

   157     guarantee(false, "Non two-gen policy");

   158   }

   159   _managers_list->append(_minor_gc_manager);

   160   _managers_list->append(_major_gc_manager);

   162   add_generation_memory_pool(heap->get_gen(minor), _major_gc_manager, _minor_gc_manager);

   163   add_generation_memory_pool(heap->get_gen(major), _major_gc_manager);

   164 }

   166 #if INCLUDE_ALL_GCS

   167 // Add memory pools for ParallelScavengeHeap

   168 // This function currently only supports two generations collected heap.

   169 // The collector for ParallelScavengeHeap will have two memory managers.

   170 void MemoryService::add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap) {

   171   // Two managers to keep statistics about _minor_gc_manager and _major_gc_manager GC.

   172   _minor_gc_manager = MemoryManager::get_psScavenge_memory_manager();

   173   _major_gc_manager = MemoryManager::get_psMarkSweep_memory_manager();

   174   _managers_list->append(_minor_gc_manager);

   175   _managers_list->append(_major_gc_manager);

   177   add_psYoung_memory_pool(heap->young_gen(), _major_gc_manager, _minor_gc_manager);

   178   add_psOld_memory_pool(heap->old_gen(), _major_gc_manager);

   179 }

   181 void MemoryService::add_g1_heap_info(G1CollectedHeap* g1h) {

   182   assert(UseG1GC, "sanity");

   184   _minor_gc_manager = MemoryManager::get_g1YoungGen_memory_manager();

   185   _major_gc_manager = MemoryManager::get_g1OldGen_memory_manager();

   186   _managers_list->append(_minor_gc_manager);

   187   _managers_list->append(_major_gc_manager);

   189   add_g1YoungGen_memory_pool(g1h, _major_gc_manager, _minor_gc_manager);

   190   add_g1OldGen_memory_pool(g1h, _major_gc_manager);

   191 }

   192 #endif // INCLUDE_ALL_GCS

   194 MemoryPool* MemoryService::add_gen(Generation* gen,

   195                                    const char* name,

   196                                    bool is_heap,

   197                                    bool support_usage_threshold) {

   199   MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);

   200   GenerationPool* pool = new GenerationPool(gen, name, type, support_usage_threshold);

   201   _pools_list->append(pool);

   202   return (MemoryPool*) pool;

   203 }

   205 MemoryPool* MemoryService::add_space(ContiguousSpace* space,

   206                                      const char* name,

   207                                      bool is_heap,

   208                                      size_t max_size,

   209                                      bool support_usage_threshold) {

   210   MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);

   211   ContiguousSpacePool* pool = new ContiguousSpacePool(space, name, type, max_size, support_usage_threshold);

   213   _pools_list->append(pool);

   214   return (MemoryPool*) pool;

   215 }

   217 MemoryPool* MemoryService::add_survivor_spaces(DefNewGeneration* gen,

   218                                                const char* name,

   219                                                bool is_heap,

   220                                                size_t max_size,

   221                                                bool support_usage_threshold) {

   222   MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);

   223   SurvivorContiguousSpacePool* pool = new SurvivorContiguousSpacePool(gen, name, type, max_size, support_usage_threshold);

   225   _pools_list->append(pool);

   226   return (MemoryPool*) pool;

   227 }

   229 #if INCLUDE_ALL_GCS

   230 MemoryPool* MemoryService::add_cms_space(CompactibleFreeListSpace* space,

   231                                          const char* name,

   232                                          bool is_heap,

   233                                          size_t max_size,

   234                                          bool support_usage_threshold) {

   235   MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);

   236   CompactibleFreeListSpacePool* pool = new CompactibleFreeListSpacePool(space, name, type, max_size, support_usage_threshold);

   237   _pools_list->append(pool);

   238   return (MemoryPool*) pool;

   239 }

   240 #endif // INCLUDE_ALL_GCS

   242 // Add memory pool(s) for one generation

   243 void MemoryService::add_generation_memory_pool(Generation* gen,

   244                                                MemoryManager* major_mgr,

   245                                                MemoryManager* minor_mgr) {

   246   guarantee(gen != NULL, "No generation for memory pool");

   247   Generation::Name kind = gen->kind();

   248   int index = _pools_list->length();

   250   switch (kind) {

   251     case Generation::DefNew: {

   252       assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");

   253       DefNewGeneration* young_gen = (DefNewGeneration*) gen;

   254       // Add a memory pool for each space and young gen doesn't

   255       // support low memory detection as it is expected to get filled up.

   256       MemoryPool* eden = add_space(young_gen->eden(),

   257                                    "Eden Space",

   258                                    true, /* is_heap */

   259                                    young_gen->max_eden_size(),

   260                                    false /* support_usage_threshold */);

   261       MemoryPool* survivor = add_survivor_spaces(young_gen,

   262                                                  "Survivor Space",

   263                                                  true, /* is_heap */

   264                                                  young_gen->max_survivor_size(),

   265                                                  false /* support_usage_threshold */);

   266       break;

   267     }

   269 #if INCLUDE_ALL_GCS

   270     case Generation::ParNew:

   271     case Generation::ASParNew:

   272     {

   273       assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");

   274       // Add a memory pool for each space and young gen doesn't

   275       // support low memory detection as it is expected to get filled up.

   276       ParNewGeneration* parnew_gen = (ParNewGeneration*) gen;

   277       MemoryPool* eden = add_space(parnew_gen->eden(),

   278                                    "Par Eden Space",

   279                                    true /* is_heap */,

   280                                    parnew_gen->max_eden_size(),

   281                                    false /* support_usage_threshold */);

   282       MemoryPool* survivor = add_survivor_spaces(parnew_gen,

   283                                                  "Par Survivor Space",

   284                                                  true, /* is_heap */

   285                                                  parnew_gen->max_survivor_size(),

   286                                                  false /* support_usage_threshold */);

   288       break;

   289     }

   290 #endif // INCLUDE_ALL_GCS

   292     case Generation::MarkSweepCompact: {

   293       assert(major_mgr != NULL && minor_mgr == NULL, "Should have only one manager");

   294       add_gen(gen,

   295               "Tenured Gen",

   296               true, /* is_heap */

   297               true  /* support_usage_threshold */);

   298       break;

   299     }

   301 #if INCLUDE_ALL_GCS

   302     case Generation::ConcurrentMarkSweep:

   303     case Generation::ASConcurrentMarkSweep:

   304     {

   305       assert(major_mgr != NULL && minor_mgr == NULL, "Should have only one manager");

   306       ConcurrentMarkSweepGeneration* cms = (ConcurrentMarkSweepGeneration*) gen;

   307       MemoryPool* pool = add_cms_space(cms->cmsSpace(),

   308                                        "CMS Old Gen",

   309                                        true, /* is_heap */

   310                                        cms->reserved().byte_size(),

   311                                        true  /* support_usage_threshold */);

   312       break;

   313     }

   314 #endif // INCLUDE_ALL_GCS

   316     default:

   317       assert(false, "should not reach here");

   318       // no memory pool added for others

   319       break;

   320   }

   322   assert(major_mgr != NULL, "Should have at least one manager");

   323   // Link managers and the memory pools together

   324   for (int i = index; i < _pools_list->length(); i++) {

   325     MemoryPool* pool = _pools_list->at(i);

   326     major_mgr->add_pool(pool);

   327     if (minor_mgr != NULL) {

   328       minor_mgr->add_pool(pool);

   329     }

   330   }

   331 }

   334 #if INCLUDE_ALL_GCS

   335 void MemoryService::add_psYoung_memory_pool(PSYoungGen* gen, MemoryManager* major_mgr, MemoryManager* minor_mgr) {

   336   assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");

   338   // Add a memory pool for each space and young gen doesn't

   339   // support low memory detection as it is expected to get filled up.

   340   EdenMutableSpacePool* eden = new EdenMutableSpacePool(gen,

   341                                                         gen->eden_space(),

   342                                                         "PS Eden Space",

   343                                                         MemoryPool::Heap,

   344                                                         false /* support_usage_threshold */);

   346   SurvivorMutableSpacePool* survivor = new SurvivorMutableSpacePool(gen,

   347                                                                     "PS Survivor Space",

   348                                                                     MemoryPool::Heap,

   349                                                                     false /* support_usage_threshold */);

   351   major_mgr->add_pool(eden);

   352   major_mgr->add_pool(survivor);

   353   minor_mgr->add_pool(eden);

   354   minor_mgr->add_pool(survivor);

   355   _pools_list->append(eden);

   356   _pools_list->append(survivor);

   357 }

   359 void MemoryService::add_psOld_memory_pool(PSOldGen* gen, MemoryManager* mgr) {

   360   PSGenerationPool* old_gen = new PSGenerationPool(gen,

   361                                                    "PS Old Gen",

   362                                                    MemoryPool::Heap,

   363                                                    true /* support_usage_threshold */);

   364   mgr->add_pool(old_gen);

   365   _pools_list->append(old_gen);

   366 }

   368 void MemoryService::add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,

   369                                                MemoryManager* major_mgr,

   370                                                MemoryManager* minor_mgr) {

   371   assert(major_mgr != NULL && minor_mgr != NULL, "should have two managers");

   373   G1EdenPool* eden = new G1EdenPool(g1h);

   374   G1SurvivorPool* survivor = new G1SurvivorPool(g1h);

   376   major_mgr->add_pool(eden);

   377   major_mgr->add_pool(survivor);

   378   minor_mgr->add_pool(eden);

   379   minor_mgr->add_pool(survivor);

   380   _pools_list->append(eden);

   381   _pools_list->append(survivor);

   382 }

   384 void MemoryService::add_g1OldGen_memory_pool(G1CollectedHeap* g1h,

   385                                              MemoryManager* mgr) {

   386   assert(mgr != NULL, "should have one manager");

   388   G1OldGenPool* old_gen = new G1OldGenPool(g1h);

   389   mgr->add_pool(old_gen);

   390   _pools_list->append(old_gen);

   391 }

   392 #endif // INCLUDE_ALL_GCS

   394 void MemoryService::add_code_heap_memory_pool(CodeHeap* heap) {

   395   _code_heap_pool = new CodeHeapPool(heap,

   396                                      "Code Cache",

   397                                      true /* support_usage_threshold */);

   398   MemoryManager* mgr = MemoryManager::get_code_cache_memory_manager();

   399   mgr->add_pool(_code_heap_pool);

   401   _pools_list->append(_code_heap_pool);

   402   _managers_list->append(mgr);

   403 }

   405 void MemoryService::add_metaspace_memory_pools() {

   406   MemoryManager* mgr = MemoryManager::get_metaspace_memory_manager();

   408   _metaspace_pool = new MetaspacePool();

   409   mgr->add_pool(_metaspace_pool);

   410   _pools_list->append(_metaspace_pool);

   412   if (UseCompressedClassPointers) {

   413     _compressed_class_pool = new CompressedKlassSpacePool();

   414     mgr->add_pool(_compressed_class_pool);

   415     _pools_list->append(_compressed_class_pool);

   416   }

   418   _managers_list->append(mgr);

   419 }

   421 MemoryManager* MemoryService::get_memory_manager(instanceHandle mh) {

   422   for (int i = 0; i < _managers_list->length(); i++) {

   423     MemoryManager* mgr = _managers_list->at(i);

   424     if (mgr->is_manager(mh)) {

   425       return mgr;

   426     }

   427   }

   428   return NULL;

   429 }

   431 MemoryPool* MemoryService::get_memory_pool(instanceHandle ph) {

   432   for (int i = 0; i < _pools_list->length(); i++) {

   433     MemoryPool* pool = _pools_list->at(i);

   434     if (pool->is_pool(ph)) {

   435       return pool;

   436     }

   437   }

   438   return NULL;

   439 }

   441 void MemoryService::track_memory_usage() {

   442   // Track the peak memory usage

   443   for (int i = 0; i < _pools_list->length(); i++) {

   444     MemoryPool* pool = _pools_list->at(i);

   445     pool->record_peak_memory_usage();

   446   }

   448   // Detect low memory

   449   LowMemoryDetector::detect_low_memory();

   450 }

   452 void MemoryService::track_memory_pool_usage(MemoryPool* pool) {

   453   // Track the peak memory usage

   454   pool->record_peak_memory_usage();

   456   // Detect low memory

   457   if (LowMemoryDetector::is_enabled(pool)) {

   458     LowMemoryDetector::detect_low_memory(pool);

   459   }

   460 }

   462 void MemoryService::gc_begin(bool fullGC, bool recordGCBeginTime,

   463                              bool recordAccumulatedGCTime,

   464                              bool recordPreGCUsage, bool recordPeakUsage) {

   466   GCMemoryManager* mgr;

   467   if (fullGC) {

   468     mgr = _major_gc_manager;

   469   } else {

   470     mgr = _minor_gc_manager;

   471   }

   472   assert(mgr->is_gc_memory_manager(), "Sanity check");

   473   mgr->gc_begin(recordGCBeginTime, recordPreGCUsage, recordAccumulatedGCTime);

   475   // Track the peak memory usage when GC begins

   476   if (recordPeakUsage) {

   477     for (int i = 0; i < _pools_list->length(); i++) {

   478       MemoryPool* pool = _pools_list->at(i);

   479       pool->record_peak_memory_usage();

   480     }

   481   }

   482 }

   484 void MemoryService::gc_end(bool fullGC, bool recordPostGCUsage,

   485                            bool recordAccumulatedGCTime,

   486                            bool recordGCEndTime, bool countCollection,

   487                            GCCause::Cause cause) {

   489   GCMemoryManager* mgr;

   490   if (fullGC) {

   491     mgr = (GCMemoryManager*) _major_gc_manager;

   492   } else {

   493     mgr = (GCMemoryManager*) _minor_gc_manager;

   494   }

   495   assert(mgr->is_gc_memory_manager(), "Sanity check");

   497   // register the GC end statistics and memory usage

   498   mgr->gc_end(recordPostGCUsage, recordAccumulatedGCTime, recordGCEndTime,

   499               countCollection, cause);

   500 }

   502 void MemoryService::oops_do(OopClosure* f) {

   503   int i;

   505   for (i = 0; i < _pools_list->length(); i++) {

   506     MemoryPool* pool = _pools_list->at(i);

   507     pool->oops_do(f);

   508   }

   509   for (i = 0; i < _managers_list->length(); i++) {

   510     MemoryManager* mgr = _managers_list->at(i);

   511     mgr->oops_do(f);

   512   }

   513 }

   515 bool MemoryService::set_verbose(bool verbose) {

   516   MutexLocker m(Management_lock);

   517   // verbose will be set to the previous value

   518   bool succeed = CommandLineFlags::boolAtPut((char*)"PrintGC", &verbose, MANAGEMENT);

   519   assert(succeed, "Setting PrintGC flag fails");

   520   ClassLoadingService::reset_trace_class_unloading();

   522   return verbose;

   523 }

   525 Handle MemoryService::create_MemoryUsage_obj(MemoryUsage usage, TRAPS) {

   526   Klass* k = Management::java_lang_management_MemoryUsage_klass(CHECK_NH);

   527   instanceKlassHandle ik(THREAD, k);

   529   instanceHandle obj = ik->allocate_instance_handle(CHECK_NH);

   531   JavaValue result(T_VOID);

   532   JavaCallArguments args(10);

   533   args.push_oop(obj);                         // receiver

   534   args.push_long(usage.init_size_as_jlong()); // Argument 1

   535   args.push_long(usage.used_as_jlong());      // Argument 2

   536   args.push_long(usage.committed_as_jlong()); // Argument 3

   537   args.push_long(usage.max_size_as_jlong());  // Argument 4

   539   JavaCalls::call_special(&result,

   540                           ik,

   541                           vmSymbols::object_initializer_name(),

   542                           vmSymbols::long_long_long_long_void_signature(),

   543                           &args,

   544                           CHECK_NH);

   545   return obj;

   546 }

   547 //

   548 // GC manager type depends on the type of Generation. Depending on the space

   549 // availablity and vm options the gc uses major gc manager or minor gc

   550 // manager or both. The type of gc manager depends on the generation kind.

   551 // For DefNew, ParNew and ASParNew generation doing scavenge gc uses minor

   552 // gc manager (so _fullGC is set to false ) and for other generation kinds

   553 // doing mark-sweep-compact uses major gc manager (so _fullGC is set

   554 // to true).

   555 TraceMemoryManagerStats::TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause) {

   556   switch (kind) {

   557     case Generation::DefNew:

   558 #if INCLUDE_ALL_GCS

   559     case Generation::ParNew:

   560     case Generation::ASParNew:

   561 #endif // INCLUDE_ALL_GCS

   562       _fullGC=false;

   563       break;

   564     case Generation::MarkSweepCompact:

   565 #if INCLUDE_ALL_GCS

   566     case Generation::ConcurrentMarkSweep:

   567     case Generation::ASConcurrentMarkSweep:

   568 #endif // INCLUDE_ALL_GCS

   569       _fullGC=true;

   570       break;

   571     default:

   572       assert(false, "Unrecognized gc generation kind.");

   573   }

   574   // this has to be called in a stop the world pause and represent

   575   // an entire gc pause, start to finish:

   576   initialize(_fullGC, cause,true, true, true, true, true, true, true);

   577 }

   578 TraceMemoryManagerStats::TraceMemoryManagerStats(bool fullGC,

   579                                                  GCCause::Cause cause,

   580                                                  bool recordGCBeginTime,

   581                                                  bool recordPreGCUsage,

   582                                                  bool recordPeakUsage,

   583                                                  bool recordPostGCUsage,

   584                                                  bool recordAccumulatedGCTime,

   585                                                  bool recordGCEndTime,

   586                                                  bool countCollection) {

   587     initialize(fullGC, cause, recordGCBeginTime, recordPreGCUsage, recordPeakUsage,

   588              recordPostGCUsage, recordAccumulatedGCTime, recordGCEndTime,

   589              countCollection);

   590 }

   592 // for a subclass to create then initialize an instance before invoking

   593 // the MemoryService

   594 void TraceMemoryManagerStats::initialize(bool fullGC,

   595                                          GCCause::Cause cause,

   596                                          bool recordGCBeginTime,

   597                                          bool recordPreGCUsage,

   598                                          bool recordPeakUsage,

   599                                          bool recordPostGCUsage,

   600                                          bool recordAccumulatedGCTime,

   601                                          bool recordGCEndTime,

   602                                          bool countCollection) {

   603   _fullGC = fullGC;

   604   _recordGCBeginTime = recordGCBeginTime;

   605   _recordPreGCUsage = recordPreGCUsage;

   606   _recordPeakUsage = recordPeakUsage;

   607   _recordPostGCUsage = recordPostGCUsage;

   608   _recordAccumulatedGCTime = recordAccumulatedGCTime;

   609   _recordGCEndTime = recordGCEndTime;

   610   _countCollection = countCollection;

   611   _cause = cause;

   613   MemoryService::gc_begin(_fullGC, _recordGCBeginTime, _recordAccumulatedGCTime,

   614                           _recordPreGCUsage, _recordPeakUsage);

   615 }

   617 TraceMemoryManagerStats::~TraceMemoryManagerStats() {

   618   MemoryService::gc_end(_fullGC, _recordPostGCUsage, _recordAccumulatedGCTime,

   619                         _recordGCEndTime, _countCollection, _cause);

   620 }

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/services/memoryService.cpp@7944aba7ba41

src/share/vm/services/memoryService.cpp