src/share/vm/services/memoryService.cpp

Tue, 30 Apr 2013 09:17:06 -0400

author
zgu
date
Tue, 30 Apr 2013 09:17:06 -0400
changeset 4992
ed5a590835a4
parent 4827
42e370795a39
child 5312
71963b3f802a
permissions
-rw-r--r--

8013214: BigApps fails due to 'fatal error: Illegal threadstate encountered: 6'
Summary: Grab and drop SR_lock to get the thread to honor the safepoint protocol
Reviewed-by: dcubed, coleenp

     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/javaCalls.hpp"
    39 #include "services/classLoadingService.hpp"
    40 #include "services/lowMemoryDetector.hpp"
    41 #include "services/management.hpp"
    42 #include "services/memoryManager.hpp"
    43 #include "services/memoryPool.hpp"
    44 #include "services/memoryService.hpp"
    45 #include "utilities/growableArray.hpp"
    46 #include "utilities/macros.hpp"
    47 #if INCLUDE_ALL_GCS
    48 #include "gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.hpp"
    49 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
    50 #include "gc_implementation/parNew/parNewGeneration.hpp"
    51 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
    52 #include "gc_implementation/parallelScavenge/psOldGen.hpp"
    53 #include "gc_implementation/parallelScavenge/psYoungGen.hpp"
    54 #include "services/g1MemoryPool.hpp"
    55 #include "services/psMemoryPool.hpp"
    56 #endif // INCLUDE_ALL_GCS
    58 GrowableArray<MemoryPool*>* MemoryService::_pools_list =
    59   new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryPool*>(init_pools_list_size, true);
    60 GrowableArray<MemoryManager*>* MemoryService::_managers_list =
    61   new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryManager*>(init_managers_list_size, true);
    63 GCMemoryManager* MemoryService::_minor_gc_manager = NULL;
    64 GCMemoryManager* MemoryService::_major_gc_manager = NULL;
    65 MemoryPool*      MemoryService::_code_heap_pool   = NULL;
    67 class GcThreadCountClosure: public ThreadClosure {
    68  private:
    69   int _count;
    70  public:
    71   GcThreadCountClosure() : _count(0) {};
    72   void do_thread(Thread* thread);
    73   int count() { return _count; }
    74 };
    76 void GcThreadCountClosure::do_thread(Thread* thread) {
    77   _count++;
    78 }
    80 void MemoryService::set_universe_heap(CollectedHeap* heap) {
    81   CollectedHeap::Name kind = heap->kind();
    82   switch (kind) {
    83     case CollectedHeap::GenCollectedHeap : {
    84       add_gen_collected_heap_info(GenCollectedHeap::heap());
    85       break;
    86     }
    87 #if INCLUDE_ALL_GCS
    88     case CollectedHeap::ParallelScavengeHeap : {
    89       add_parallel_scavenge_heap_info(ParallelScavengeHeap::heap());
    90       break;
    91     }
    92     case CollectedHeap::G1CollectedHeap : {
    93       add_g1_heap_info(G1CollectedHeap::heap());
    94       break;
    95     }
    96 #endif // INCLUDE_ALL_GCS
    97     default: {
    98       guarantee(false, "Unrecognized kind of heap");
    99     }
   100   }
   102   // set the GC thread count
   103   GcThreadCountClosure gctcc;
   104   heap->gc_threads_do(&gctcc);
   105   int count = gctcc.count();
   106   if (count > 0) {
   107     _minor_gc_manager->set_num_gc_threads(count);
   108     _major_gc_manager->set_num_gc_threads(count);
   109   }
   111   // All memory pools and memory managers are initialized.
   112   //
   113   _minor_gc_manager->initialize_gc_stat_info();
   114   _major_gc_manager->initialize_gc_stat_info();
   115 }
   117 // Add memory pools for GenCollectedHeap
   118 // This function currently only supports two generations collected heap.
   119 // The collector for GenCollectedHeap will have two memory managers.
   120 void MemoryService::add_gen_collected_heap_info(GenCollectedHeap* heap) {
   121   CollectorPolicy* policy = heap->collector_policy();
   123   assert(policy->is_two_generation_policy(), "Only support two generations");
   124   guarantee(heap->n_gens() == 2, "Only support two-generation heap");
   126   TwoGenerationCollectorPolicy* two_gen_policy = policy->as_two_generation_policy();
   127   if (two_gen_policy != NULL) {
   128     GenerationSpec** specs = two_gen_policy->generations();
   129     Generation::Name kind = specs[0]->name();
   130     switch (kind) {
   131       case Generation::DefNew:
   132         _minor_gc_manager = MemoryManager::get_copy_memory_manager();
   133         break;
   134 #if INCLUDE_ALL_GCS
   135       case Generation::ParNew:
   136       case Generation::ASParNew:
   137         _minor_gc_manager = MemoryManager::get_parnew_memory_manager();
   138         break;
   139 #endif // INCLUDE_ALL_GCS
   140       default:
   141         guarantee(false, "Unrecognized generation spec");
   142         break;
   143     }
   144     if (policy->is_mark_sweep_policy()) {
   145       _major_gc_manager = MemoryManager::get_msc_memory_manager();
   146 #if INCLUDE_ALL_GCS
   147     } else if (policy->is_concurrent_mark_sweep_policy()) {
   148       _major_gc_manager = MemoryManager::get_cms_memory_manager();
   149 #endif // INCLUDE_ALL_GCS
   150     } else {
   151       guarantee(false, "Unknown two-gen policy");
   152     }
   153   } else {
   154     guarantee(false, "Non two-gen policy");
   155   }
   156   _managers_list->append(_minor_gc_manager);
   157   _managers_list->append(_major_gc_manager);
   159   add_generation_memory_pool(heap->get_gen(minor), _major_gc_manager, _minor_gc_manager);
   160   add_generation_memory_pool(heap->get_gen(major), _major_gc_manager);
   161 }
   163 #if INCLUDE_ALL_GCS
   164 // Add memory pools for ParallelScavengeHeap
   165 // This function currently only supports two generations collected heap.
   166 // The collector for ParallelScavengeHeap will have two memory managers.
   167 void MemoryService::add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap) {
   168   // Two managers to keep statistics about _minor_gc_manager and _major_gc_manager GC.
   169   _minor_gc_manager = MemoryManager::get_psScavenge_memory_manager();
   170   _major_gc_manager = MemoryManager::get_psMarkSweep_memory_manager();
   171   _managers_list->append(_minor_gc_manager);
   172   _managers_list->append(_major_gc_manager);
   174   add_psYoung_memory_pool(heap->young_gen(), _major_gc_manager, _minor_gc_manager);
   175   add_psOld_memory_pool(heap->old_gen(), _major_gc_manager);
   176 }
   178 void MemoryService::add_g1_heap_info(G1CollectedHeap* g1h) {
   179   assert(UseG1GC, "sanity");
   181   _minor_gc_manager = MemoryManager::get_g1YoungGen_memory_manager();
   182   _major_gc_manager = MemoryManager::get_g1OldGen_memory_manager();
   183   _managers_list->append(_minor_gc_manager);
   184   _managers_list->append(_major_gc_manager);
   186   add_g1YoungGen_memory_pool(g1h, _major_gc_manager, _minor_gc_manager);
   187   add_g1OldGen_memory_pool(g1h, _major_gc_manager);
   188 }
   189 #endif // INCLUDE_ALL_GCS
   191 MemoryPool* MemoryService::add_gen(Generation* gen,
   192                                    const char* name,
   193                                    bool is_heap,
   194                                    bool support_usage_threshold) {
   196   MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
   197   GenerationPool* pool = new GenerationPool(gen, name, type, support_usage_threshold);
   198   _pools_list->append(pool);
   199   return (MemoryPool*) pool;
   200 }
   202 MemoryPool* MemoryService::add_space(ContiguousSpace* space,
   203                                      const char* name,
   204                                      bool is_heap,
   205                                      size_t max_size,
   206                                      bool support_usage_threshold) {
   207   MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
   208   ContiguousSpacePool* pool = new ContiguousSpacePool(space, name, type, max_size, support_usage_threshold);
   210   _pools_list->append(pool);
   211   return (MemoryPool*) pool;
   212 }
   214 MemoryPool* MemoryService::add_survivor_spaces(DefNewGeneration* gen,
   215                                                const char* name,
   216                                                bool is_heap,
   217                                                size_t max_size,
   218                                                bool support_usage_threshold) {
   219   MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
   220   SurvivorContiguousSpacePool* pool = new SurvivorContiguousSpacePool(gen, name, type, max_size, support_usage_threshold);
   222   _pools_list->append(pool);
   223   return (MemoryPool*) pool;
   224 }
   226 #if INCLUDE_ALL_GCS
   227 MemoryPool* MemoryService::add_cms_space(CompactibleFreeListSpace* space,
   228                                          const char* name,
   229                                          bool is_heap,
   230                                          size_t max_size,
   231                                          bool support_usage_threshold) {
   232   MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
   233   CompactibleFreeListSpacePool* pool = new CompactibleFreeListSpacePool(space, name, type, max_size, support_usage_threshold);
   234   _pools_list->append(pool);
   235   return (MemoryPool*) pool;
   236 }
   237 #endif // INCLUDE_ALL_GCS
   239 // Add memory pool(s) for one generation
   240 void MemoryService::add_generation_memory_pool(Generation* gen,
   241                                                MemoryManager* major_mgr,
   242                                                MemoryManager* minor_mgr) {
   243   guarantee(gen != NULL, "No generation for memory pool");
   244   Generation::Name kind = gen->kind();
   245   int index = _pools_list->length();
   247   switch (kind) {
   248     case Generation::DefNew: {
   249       assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");
   250       DefNewGeneration* young_gen = (DefNewGeneration*) gen;
   251       // Add a memory pool for each space and young gen doesn't
   252       // support low memory detection as it is expected to get filled up.
   253       MemoryPool* eden = add_space(young_gen->eden(),
   254                                    "Eden Space",
   255                                    true, /* is_heap */
   256                                    young_gen->max_eden_size(),
   257                                    false /* support_usage_threshold */);
   258       MemoryPool* survivor = add_survivor_spaces(young_gen,
   259                                                  "Survivor Space",
   260                                                  true, /* is_heap */
   261                                                  young_gen->max_survivor_size(),
   262                                                  false /* support_usage_threshold */);
   263       break;
   264     }
   266 #if INCLUDE_ALL_GCS
   267     case Generation::ParNew:
   268     case Generation::ASParNew:
   269     {
   270       assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");
   271       // Add a memory pool for each space and young gen doesn't
   272       // support low memory detection as it is expected to get filled up.
   273       ParNewGeneration* parnew_gen = (ParNewGeneration*) gen;
   274       MemoryPool* eden = add_space(parnew_gen->eden(),
   275                                    "Par Eden Space",
   276                                    true /* is_heap */,
   277                                    parnew_gen->max_eden_size(),
   278                                    false /* support_usage_threshold */);
   279       MemoryPool* survivor = add_survivor_spaces(parnew_gen,
   280                                                  "Par Survivor Space",
   281                                                  true, /* is_heap */
   282                                                  parnew_gen->max_survivor_size(),
   283                                                  false /* support_usage_threshold */);
   285       break;
   286     }
   287 #endif // INCLUDE_ALL_GCS
   289     case Generation::MarkSweepCompact: {
   290       assert(major_mgr != NULL && minor_mgr == NULL, "Should have only one manager");
   291       add_gen(gen,
   292               "Tenured Gen",
   293               true, /* is_heap */
   294               true  /* support_usage_threshold */);
   295       break;
   296     }
   298 #if INCLUDE_ALL_GCS
   299     case Generation::ConcurrentMarkSweep:
   300     case Generation::ASConcurrentMarkSweep:
   301     {
   302       assert(major_mgr != NULL && minor_mgr == NULL, "Should have only one manager");
   303       ConcurrentMarkSweepGeneration* cms = (ConcurrentMarkSweepGeneration*) gen;
   304       MemoryPool* pool = add_cms_space(cms->cmsSpace(),
   305                                        "CMS Old Gen",
   306                                        true, /* is_heap */
   307                                        cms->reserved().byte_size(),
   308                                        true  /* support_usage_threshold */);
   309       break;
   310     }
   311 #endif // INCLUDE_ALL_GCS
   313     default:
   314       assert(false, "should not reach here");
   315       // no memory pool added for others
   316       break;
   317   }
   319   assert(major_mgr != NULL, "Should have at least one manager");
   320   // Link managers and the memory pools together
   321   for (int i = index; i < _pools_list->length(); i++) {
   322     MemoryPool* pool = _pools_list->at(i);
   323     major_mgr->add_pool(pool);
   324     if (minor_mgr != NULL) {
   325       minor_mgr->add_pool(pool);
   326     }
   327   }
   328 }
   331 #if INCLUDE_ALL_GCS
   332 void MemoryService::add_psYoung_memory_pool(PSYoungGen* gen, MemoryManager* major_mgr, MemoryManager* minor_mgr) {
   333   assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");
   335   // Add a memory pool for each space and young gen doesn't
   336   // support low memory detection as it is expected to get filled up.
   337   EdenMutableSpacePool* eden = new EdenMutableSpacePool(gen,
   338                                                         gen->eden_space(),
   339                                                         "PS Eden Space",
   340                                                         MemoryPool::Heap,
   341                                                         false /* support_usage_threshold */);
   343   SurvivorMutableSpacePool* survivor = new SurvivorMutableSpacePool(gen,
   344                                                                     "PS Survivor Space",
   345                                                                     MemoryPool::Heap,
   346                                                                     false /* support_usage_threshold */);
   348   major_mgr->add_pool(eden);
   349   major_mgr->add_pool(survivor);
   350   minor_mgr->add_pool(eden);
   351   minor_mgr->add_pool(survivor);
   352   _pools_list->append(eden);
   353   _pools_list->append(survivor);
   354 }
   356 void MemoryService::add_psOld_memory_pool(PSOldGen* gen, MemoryManager* mgr) {
   357   PSGenerationPool* old_gen = new PSGenerationPool(gen,
   358                                                    "PS Old Gen",
   359                                                    MemoryPool::Heap,
   360                                                    true /* support_usage_threshold */);
   361   mgr->add_pool(old_gen);
   362   _pools_list->append(old_gen);
   363 }
   365 void MemoryService::add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
   366                                                MemoryManager* major_mgr,
   367                                                MemoryManager* minor_mgr) {
   368   assert(major_mgr != NULL && minor_mgr != NULL, "should have two managers");
   370   G1EdenPool* eden = new G1EdenPool(g1h);
   371   G1SurvivorPool* survivor = new G1SurvivorPool(g1h);
   373   major_mgr->add_pool(eden);
   374   major_mgr->add_pool(survivor);
   375   minor_mgr->add_pool(eden);
   376   minor_mgr->add_pool(survivor);
   377   _pools_list->append(eden);
   378   _pools_list->append(survivor);
   379 }
   381 void MemoryService::add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
   382                                              MemoryManager* mgr) {
   383   assert(mgr != NULL, "should have one manager");
   385   G1OldGenPool* old_gen = new G1OldGenPool(g1h);
   386   mgr->add_pool(old_gen);
   387   _pools_list->append(old_gen);
   388 }
   389 #endif // INCLUDE_ALL_GCS
   391 void MemoryService::add_code_heap_memory_pool(CodeHeap* heap) {
   392   _code_heap_pool = new CodeHeapPool(heap,
   393                                      "Code Cache",
   394                                      true /* support_usage_threshold */);
   395   MemoryManager* mgr = MemoryManager::get_code_cache_memory_manager();
   396   mgr->add_pool(_code_heap_pool);
   398   _pools_list->append(_code_heap_pool);
   399   _managers_list->append(mgr);
   400 }
   402 MemoryManager* MemoryService::get_memory_manager(instanceHandle mh) {
   403   for (int i = 0; i < _managers_list->length(); i++) {
   404     MemoryManager* mgr = _managers_list->at(i);
   405     if (mgr->is_manager(mh)) {
   406       return mgr;
   407     }
   408   }
   409   return NULL;
   410 }
   412 MemoryPool* MemoryService::get_memory_pool(instanceHandle ph) {
   413   for (int i = 0; i < _pools_list->length(); i++) {
   414     MemoryPool* pool = _pools_list->at(i);
   415     if (pool->is_pool(ph)) {
   416       return pool;
   417     }
   418   }
   419   return NULL;
   420 }
   422 void MemoryService::track_memory_usage() {
   423   // Track the peak memory usage
   424   for (int i = 0; i < _pools_list->length(); i++) {
   425     MemoryPool* pool = _pools_list->at(i);
   426     pool->record_peak_memory_usage();
   427   }
   429   // Detect low memory
   430   LowMemoryDetector::detect_low_memory();
   431 }
   433 void MemoryService::track_memory_pool_usage(MemoryPool* pool) {
   434   // Track the peak memory usage
   435   pool->record_peak_memory_usage();
   437   // Detect low memory
   438   if (LowMemoryDetector::is_enabled(pool)) {
   439     LowMemoryDetector::detect_low_memory(pool);
   440   }
   441 }
   443 void MemoryService::gc_begin(bool fullGC, bool recordGCBeginTime,
   444                              bool recordAccumulatedGCTime,
   445                              bool recordPreGCUsage, bool recordPeakUsage) {
   447   GCMemoryManager* mgr;
   448   if (fullGC) {
   449     mgr = _major_gc_manager;
   450   } else {
   451     mgr = _minor_gc_manager;
   452   }
   453   assert(mgr->is_gc_memory_manager(), "Sanity check");
   454   mgr->gc_begin(recordGCBeginTime, recordPreGCUsage, recordAccumulatedGCTime);
   456   // Track the peak memory usage when GC begins
   457   if (recordPeakUsage) {
   458     for (int i = 0; i < _pools_list->length(); i++) {
   459       MemoryPool* pool = _pools_list->at(i);
   460       pool->record_peak_memory_usage();
   461     }
   462   }
   463 }
   465 void MemoryService::gc_end(bool fullGC, bool recordPostGCUsage,
   466                            bool recordAccumulatedGCTime,
   467                            bool recordGCEndTime, bool countCollection,
   468                            GCCause::Cause cause) {
   470   GCMemoryManager* mgr;
   471   if (fullGC) {
   472     mgr = (GCMemoryManager*) _major_gc_manager;
   473   } else {
   474     mgr = (GCMemoryManager*) _minor_gc_manager;
   475   }
   476   assert(mgr->is_gc_memory_manager(), "Sanity check");
   478   // register the GC end statistics and memory usage
   479   mgr->gc_end(recordPostGCUsage, recordAccumulatedGCTime, recordGCEndTime,
   480               countCollection, cause);
   481 }
   483 void MemoryService::oops_do(OopClosure* f) {
   484   int i;
   486   for (i = 0; i < _pools_list->length(); i++) {
   487     MemoryPool* pool = _pools_list->at(i);
   488     pool->oops_do(f);
   489   }
   490   for (i = 0; i < _managers_list->length(); i++) {
   491     MemoryManager* mgr = _managers_list->at(i);
   492     mgr->oops_do(f);
   493   }
   494 }
   496 bool MemoryService::set_verbose(bool verbose) {
   497   MutexLocker m(Management_lock);
   498   // verbose will be set to the previous value
   499   bool succeed = CommandLineFlags::boolAtPut((char*)"PrintGC", &verbose, MANAGEMENT);
   500   assert(succeed, "Setting PrintGC flag fails");
   501   ClassLoadingService::reset_trace_class_unloading();
   503   return verbose;
   504 }
   506 Handle MemoryService::create_MemoryUsage_obj(MemoryUsage usage, TRAPS) {
   507   Klass* k = Management::java_lang_management_MemoryUsage_klass(CHECK_NH);
   508   instanceKlassHandle ik(THREAD, k);
   510   instanceHandle obj = ik->allocate_instance_handle(CHECK_NH);
   512   JavaValue result(T_VOID);
   513   JavaCallArguments args(10);
   514   args.push_oop(obj);                         // receiver
   515   args.push_long(usage.init_size_as_jlong()); // Argument 1
   516   args.push_long(usage.used_as_jlong());      // Argument 2
   517   args.push_long(usage.committed_as_jlong()); // Argument 3
   518   args.push_long(usage.max_size_as_jlong());  // Argument 4
   520   JavaCalls::call_special(&result,
   521                           ik,
   522                           vmSymbols::object_initializer_name(),
   523                           vmSymbols::long_long_long_long_void_signature(),
   524                           &args,
   525                           CHECK_NH);
   526   return obj;
   527 }
   528 //
   529 // GC manager type depends on the type of Generation. Depending on the space
   530 // availablity and vm options the gc uses major gc manager or minor gc
   531 // manager or both. The type of gc manager depends on the generation kind.
   532 // For DefNew, ParNew and ASParNew generation doing scavenge gc uses minor
   533 // gc manager (so _fullGC is set to false ) and for other generation kinds
   534 // doing mark-sweep-compact uses major gc manager (so _fullGC is set
   535 // to true).
   536 TraceMemoryManagerStats::TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause) {
   537   switch (kind) {
   538     case Generation::DefNew:
   539 #if INCLUDE_ALL_GCS
   540     case Generation::ParNew:
   541     case Generation::ASParNew:
   542 #endif // INCLUDE_ALL_GCS
   543       _fullGC=false;
   544       break;
   545     case Generation::MarkSweepCompact:
   546 #if INCLUDE_ALL_GCS
   547     case Generation::ConcurrentMarkSweep:
   548     case Generation::ASConcurrentMarkSweep:
   549 #endif // INCLUDE_ALL_GCS
   550       _fullGC=true;
   551       break;
   552     default:
   553       assert(false, "Unrecognized gc generation kind.");
   554   }
   555   // this has to be called in a stop the world pause and represent
   556   // an entire gc pause, start to finish:
   557   initialize(_fullGC, cause,true, true, true, true, true, true, true);
   558 }
   559 TraceMemoryManagerStats::TraceMemoryManagerStats(bool fullGC,
   560                                                  GCCause::Cause cause,
   561                                                  bool recordGCBeginTime,
   562                                                  bool recordPreGCUsage,
   563                                                  bool recordPeakUsage,
   564                                                  bool recordPostGCUsage,
   565                                                  bool recordAccumulatedGCTime,
   566                                                  bool recordGCEndTime,
   567                                                  bool countCollection) {
   568     initialize(fullGC, cause, recordGCBeginTime, recordPreGCUsage, recordPeakUsage,
   569              recordPostGCUsage, recordAccumulatedGCTime, recordGCEndTime,
   570              countCollection);
   571 }
   573 // for a subclass to create then initialize an instance before invoking
   574 // the MemoryService
   575 void TraceMemoryManagerStats::initialize(bool fullGC,
   576                                          GCCause::Cause cause,
   577                                          bool recordGCBeginTime,
   578                                          bool recordPreGCUsage,
   579                                          bool recordPeakUsage,
   580                                          bool recordPostGCUsage,
   581                                          bool recordAccumulatedGCTime,
   582                                          bool recordGCEndTime,
   583                                          bool countCollection) {
   584   _fullGC = fullGC;
   585   _recordGCBeginTime = recordGCBeginTime;
   586   _recordPreGCUsage = recordPreGCUsage;
   587   _recordPeakUsage = recordPeakUsage;
   588   _recordPostGCUsage = recordPostGCUsage;
   589   _recordAccumulatedGCTime = recordAccumulatedGCTime;
   590   _recordGCEndTime = recordGCEndTime;
   591   _countCollection = countCollection;
   592   _cause = cause;
   594   MemoryService::gc_begin(_fullGC, _recordGCBeginTime, _recordAccumulatedGCTime,
   595                           _recordPreGCUsage, _recordPeakUsage);
   596 }
   598 TraceMemoryManagerStats::~TraceMemoryManagerStats() {
   599   MemoryService::gc_end(_fullGC, _recordPostGCUsage, _recordAccumulatedGCTime,
   600                         _recordGCEndTime, _countCollection, _cause);
   601 }

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