jdk8-mips64-public/hotspot: src/share/vm/services/memoryService.cpp@eef07cd490d4

     1 /*

     2  * Copyright (c) 2003, 2019, 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, _minor_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                                                GCMemoryManager* major_mgr,

   245                                                GCMemoryManager* 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,

   336                                             GCMemoryManager* major_mgr,

   337                                             GCMemoryManager* minor_mgr) {

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

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

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

   342   EdenMutableSpacePool* eden = new EdenMutableSpacePool(gen,

   343                                                         gen->eden_space(),

   344                                                         "PS Eden Space",

   345                                                         MemoryPool::Heap,

   346                                                         false /* support_usage_threshold */);

   348   SurvivorMutableSpacePool* survivor = new SurvivorMutableSpacePool(gen,

   349                                                                     "PS Survivor Space",

   350                                                                     MemoryPool::Heap,

   351                                                                     false /* support_usage_threshold */);

   353   major_mgr->add_pool(eden);

   354   major_mgr->add_pool(survivor);

   355   minor_mgr->add_pool(eden);

   356   minor_mgr->add_pool(survivor);

   357   _pools_list->append(eden);

   358   _pools_list->append(survivor);

   359 }

   361 void MemoryService::add_psOld_memory_pool(PSOldGen* gen, GCMemoryManager* mgr) {

   362   PSGenerationPool* old_gen = new PSGenerationPool(gen,

   363                                                    "PS Old Gen",

   364                                                    MemoryPool::Heap,

   365                                                    true /* support_usage_threshold */);

   366   mgr->add_pool(old_gen);

   367   _pools_list->append(old_gen);

   368 }

   370 void MemoryService::add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,

   371                                                GCMemoryManager* major_mgr,

   372                                                GCMemoryManager* minor_mgr) {

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

   375   G1EdenPool* eden = new G1EdenPool(g1h);

   376   G1SurvivorPool* survivor = new G1SurvivorPool(g1h);

   378   major_mgr->add_pool(eden);

   379   major_mgr->add_pool(survivor);

   380   minor_mgr->add_pool(eden);

   381   minor_mgr->add_pool(survivor);

   382   _pools_list->append(eden);

   383   _pools_list->append(survivor);

   384 }

   386 void MemoryService::add_g1OldGen_memory_pool(G1CollectedHeap* g1h,

   387                                              GCMemoryManager* major_mgr,

   388                                              GCMemoryManager* minor_mgr) {

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

   391   G1OldGenPool* old_gen = new G1OldGenPool(g1h);

   392   major_mgr->add_pool(old_gen);

   393   minor_mgr->add_pool(old_gen, false /* always_affected_by_gc */);

   394   _pools_list->append(old_gen);

   395 }

   396 #endif // INCLUDE_ALL_GCS

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

   399   _code_heap_pool = new CodeHeapPool(heap,

   400                                      "Code Cache",

   401                                      true /* support_usage_threshold */);

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

   403   mgr->add_pool(_code_heap_pool);

   405   _pools_list->append(_code_heap_pool);

   406   _managers_list->append(mgr);

   407 }

   409 void MemoryService::add_metaspace_memory_pools() {

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

   412   _metaspace_pool = new MetaspacePool();

   413   mgr->add_pool(_metaspace_pool);

   414   _pools_list->append(_metaspace_pool);

   416   if (UseCompressedClassPointers) {

   417     _compressed_class_pool = new CompressedKlassSpacePool();

   418     mgr->add_pool(_compressed_class_pool);

   419     _pools_list->append(_compressed_class_pool);

   420   }

   422   _managers_list->append(mgr);

   423 }

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

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

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

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

   429       return mgr;

   430     }

   431   }

   432   return NULL;

   433 }

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

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

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

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

   439       return pool;

   440     }

   441   }

   442   return NULL;

   443 }

   445 void MemoryService::track_memory_usage() {

   446   // Track the peak memory usage

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

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

   449     pool->record_peak_memory_usage();

   450   }

   452   // Detect low memory

   453   LowMemoryDetector::detect_low_memory();

   454 }

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

   457   // Track the peak memory usage

   458   pool->record_peak_memory_usage();

   460   // Detect low memory

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

   462     LowMemoryDetector::detect_low_memory(pool);

   463   }

   464 }

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

   467                              bool recordAccumulatedGCTime,

   468                              bool recordPreGCUsage, bool recordPeakUsage) {

   470   GCMemoryManager* mgr;

   471   if (fullGC) {

   472     mgr = _major_gc_manager;

   473   } else {

   474     mgr = _minor_gc_manager;

   475   }

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

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

   479   // Track the peak memory usage when GC begins

   480   if (recordPeakUsage) {

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

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

   483       pool->record_peak_memory_usage();

   484     }

   485   }

   486 }

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

   489                            bool recordAccumulatedGCTime,

   490                            bool recordGCEndTime, bool countCollection,

   491                            GCCause::Cause cause,

   492                            bool allMemoryPoolsAffected) {

   494   GCMemoryManager* mgr;

   495   if (fullGC) {

   496     mgr = (GCMemoryManager*) _major_gc_manager;

   497   } else {

   498     mgr = (GCMemoryManager*) _minor_gc_manager;

   499   }

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

   502   // register the GC end statistics and memory usage

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

   504               countCollection, cause, allMemoryPoolsAffected);

   505 }

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

   508   int i;

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

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

   512     pool->oops_do(f);

   513   }

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

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

   516     mgr->oops_do(f);

   517   }

   518 }

   520 bool MemoryService::set_verbose(bool verbose) {

   521   MutexLocker m(Management_lock);

   522   // verbose will be set to the previous value

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

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

   525   ClassLoadingService::reset_trace_class_unloading();

   527   return verbose;

   528 }

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

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

   532   instanceKlassHandle ik(THREAD, k);

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

   536   JavaValue result(T_VOID);

   537   JavaCallArguments args(10);

   538   args.push_oop(obj);                         // receiver

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

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

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

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

   544   JavaCalls::call_special(&result,

   545                           ik,

   546                           vmSymbols::object_initializer_name(),

   547                           vmSymbols::long_long_long_long_void_signature(),

   548                           &args,

   549                           CHECK_NH);

   550   return obj;

   551 }

   552 //

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

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

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

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

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

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

   559 // to true).

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

   561   switch (kind) {

   562     case Generation::DefNew:

   563 #if INCLUDE_ALL_GCS

   564     case Generation::ParNew:

   565     case Generation::ASParNew:

   566 #endif // INCLUDE_ALL_GCS

   567       _fullGC=false;

   568       break;

   569     case Generation::MarkSweepCompact:

   570 #if INCLUDE_ALL_GCS

   571     case Generation::ConcurrentMarkSweep:

   572     case Generation::ASConcurrentMarkSweep:

   573 #endif // INCLUDE_ALL_GCS

   574       _fullGC=true;

   575       break;

   576     default:

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

   578   }

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

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

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

   582 }

   583 TraceMemoryManagerStats::TraceMemoryManagerStats(bool fullGC,

   584                                                  GCCause::Cause cause,

   585                                                  bool allMemoryPoolsAffected,

   586                                                  bool recordGCBeginTime,

   587                                                  bool recordPreGCUsage,

   588                                                  bool recordPeakUsage,

   589                                                  bool recordPostGCUsage,

   590                                                  bool recordAccumulatedGCTime,

   591                                                  bool recordGCEndTime,

   592                                                  bool countCollection) {

   593   initialize(fullGC, cause, allMemoryPoolsAffected,

   594              recordGCBeginTime, recordPreGCUsage, recordPeakUsage,

   595              recordPostGCUsage, recordAccumulatedGCTime, recordGCEndTime,

   596              countCollection);

   597 }

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

   600 // the MemoryService

   601 void TraceMemoryManagerStats::initialize(bool fullGC,

   602                                          GCCause::Cause cause,

   603                                          bool allMemoryPoolsAffected,

   604                                          bool recordGCBeginTime,

   605                                          bool recordPreGCUsage,

   606                                          bool recordPeakUsage,

   607                                          bool recordPostGCUsage,

   608                                          bool recordAccumulatedGCTime,

   609                                          bool recordGCEndTime,

   610                                          bool countCollection) {

   611   _fullGC = fullGC;

   612   _allMemoryPoolsAffected = allMemoryPoolsAffected;

   613   _recordGCBeginTime = recordGCBeginTime;

   614   _recordPreGCUsage = recordPreGCUsage;

   615   _recordPeakUsage = recordPeakUsage;

   616   _recordPostGCUsage = recordPostGCUsage;

   617   _recordAccumulatedGCTime = recordAccumulatedGCTime;

   618   _recordGCEndTime = recordGCEndTime;

   619   _countCollection = countCollection;

   620   _cause = cause;

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

   623                           _recordPreGCUsage, _recordPeakUsage);

   624 }

   626 TraceMemoryManagerStats::~TraceMemoryManagerStats() {

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

   628                         _recordGCEndTime, _countCollection, _cause, _allMemoryPoolsAffected);

   629 }

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

src/share/vm/services/memoryService.cpp@eef07cd490d4

src/share/vm/services/memoryService.cpp