--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/services/memoryService.cpp Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,624 @@
+/*
+ * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "classfile/systemDictionary.hpp"
+#include "classfile/vmSymbols.hpp"
+#include "gc/parallel/mutableSpace.hpp"
+#include "gc/serial/defNewGeneration.hpp"
+#include "gc/serial/tenuredGeneration.hpp"
+#include "gc/shared/collectorPolicy.hpp"
+#include "gc/shared/genCollectedHeap.hpp"
+#include "gc/shared/generation.hpp"
+#include "gc/shared/generationSpec.hpp"
+#include "logging/logConfiguration.hpp"
+#include "memory/heap.hpp"
+#include "memory/memRegion.hpp"
+#include "oops/oop.inline.hpp"
+#include "runtime/globals.hpp"
+#include "runtime/javaCalls.hpp"
+#include "services/classLoadingService.hpp"
+#include "services/lowMemoryDetector.hpp"
+#include "services/management.hpp"
+#include "services/memoryManager.hpp"
+#include "services/memoryPool.hpp"
+#include "services/memoryService.hpp"
+#include "utilities/growableArray.hpp"
+#include "utilities/macros.hpp"
+#if INCLUDE_ALL_GCS
+#include "gc/cms/concurrentMarkSweepGeneration.hpp"
+#include "gc/cms/parNewGeneration.hpp"
+#include "gc/g1/g1CollectedHeap.inline.hpp"
+#include "gc/parallel/parallelScavengeHeap.hpp"
+#include "gc/parallel/psOldGen.hpp"
+#include "gc/parallel/psYoungGen.hpp"
+#include "services/g1MemoryPool.hpp"
+#include "services/psMemoryPool.hpp"
+#endif // INCLUDE_ALL_GCS
+
+GrowableArray<MemoryPool*>* MemoryService::_pools_list =
+ new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryPool*>(init_pools_list_size, true);
+GrowableArray<MemoryManager*>* MemoryService::_managers_list =
+ new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryManager*>(init_managers_list_size, true);
+
+GCMemoryManager* MemoryService::_minor_gc_manager = NULL;
+GCMemoryManager* MemoryService::_major_gc_manager = NULL;
+MemoryManager* MemoryService::_code_cache_manager = NULL;
+GrowableArray<MemoryPool*>* MemoryService::_code_heap_pools =
+ new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryPool*>(init_code_heap_pools_size, true);
+MemoryPool* MemoryService::_metaspace_pool = NULL;
+MemoryPool* MemoryService::_compressed_class_pool = NULL;
+
+class GcThreadCountClosure: public ThreadClosure {
+ private:
+ int _count;
+ public:
+ GcThreadCountClosure() : _count(0) {};
+ void do_thread(Thread* thread);
+ int count() { return _count; }
+};
+
+void GcThreadCountClosure::do_thread(Thread* thread) {
+ _count++;
+}
+
+void MemoryService::set_universe_heap(CollectedHeap* heap) {
+ CollectedHeap::Name kind = heap->kind();
+ switch (kind) {
+ case CollectedHeap::GenCollectedHeap : {
+ add_gen_collected_heap_info(GenCollectedHeap::heap());
+ break;
+ }
+#if INCLUDE_ALL_GCS
+ case CollectedHeap::ParallelScavengeHeap : {
+ add_parallel_scavenge_heap_info(ParallelScavengeHeap::heap());
+ break;
+ }
+ case CollectedHeap::G1CollectedHeap : {
+ add_g1_heap_info(G1CollectedHeap::heap());
+ break;
+ }
+#endif // INCLUDE_ALL_GCS
+ default: {
+ guarantee(false, "Unrecognized kind of heap");
+ }
+ }
+
+ // set the GC thread count
+ GcThreadCountClosure gctcc;
+ heap->gc_threads_do(&gctcc);
+ int count = gctcc.count();
+ if (count > 0) {
+ _minor_gc_manager->set_num_gc_threads(count);
+ _major_gc_manager->set_num_gc_threads(count);
+ }
+
+ // All memory pools and memory managers are initialized.
+ //
+ _minor_gc_manager->initialize_gc_stat_info();
+ _major_gc_manager->initialize_gc_stat_info();
+}
+
+// Add memory pools for GenCollectedHeap
+// This function currently only supports two generations collected heap.
+// The collector for GenCollectedHeap will have two memory managers.
+void MemoryService::add_gen_collected_heap_info(GenCollectedHeap* heap) {
+ CollectorPolicy* policy = heap->collector_policy();
+
+ assert(policy->is_generation_policy(), "Only support two generations");
+ GenCollectorPolicy* gen_policy = policy->as_generation_policy();
+ if (gen_policy != NULL) {
+ Generation::Name kind = gen_policy->young_gen_spec()->name();
+ switch (kind) {
+ case Generation::DefNew:
+ _minor_gc_manager = MemoryManager::get_copy_memory_manager();
+ break;
+#if INCLUDE_ALL_GCS
+ case Generation::ParNew:
+ _minor_gc_manager = MemoryManager::get_parnew_memory_manager();
+ break;
+#endif // INCLUDE_ALL_GCS
+ default:
+ guarantee(false, "Unrecognized generation spec");
+ break;
+ }
+ if (policy->is_mark_sweep_policy()) {
+ _major_gc_manager = MemoryManager::get_msc_memory_manager();
+#if INCLUDE_ALL_GCS
+ } else if (policy->is_concurrent_mark_sweep_policy()) {
+ _major_gc_manager = MemoryManager::get_cms_memory_manager();
+#endif // INCLUDE_ALL_GCS
+ } else {
+ guarantee(false, "Unknown two-gen policy");
+ }
+ } else {
+ guarantee(false, "Non two-gen policy");
+ }
+ _managers_list->append(_minor_gc_manager);
+ _managers_list->append(_major_gc_manager);
+
+ add_generation_memory_pool(heap->young_gen(), _major_gc_manager, _minor_gc_manager);
+ add_generation_memory_pool(heap->old_gen(), _major_gc_manager);
+}
+
+#if INCLUDE_ALL_GCS
+// Add memory pools for ParallelScavengeHeap
+// This function currently only supports two generations collected heap.
+// The collector for ParallelScavengeHeap will have two memory managers.
+void MemoryService::add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap) {
+ // Two managers to keep statistics about _minor_gc_manager and _major_gc_manager GC.
+ _minor_gc_manager = MemoryManager::get_psScavenge_memory_manager();
+ _major_gc_manager = MemoryManager::get_psMarkSweep_memory_manager();
+ _managers_list->append(_minor_gc_manager);
+ _managers_list->append(_major_gc_manager);
+
+ add_psYoung_memory_pool(heap->young_gen(), _major_gc_manager, _minor_gc_manager);
+ add_psOld_memory_pool(heap->old_gen(), _major_gc_manager);
+}
+
+void MemoryService::add_g1_heap_info(G1CollectedHeap* g1h) {
+ assert(UseG1GC, "sanity");
+
+ _minor_gc_manager = MemoryManager::get_g1YoungGen_memory_manager();
+ _major_gc_manager = MemoryManager::get_g1OldGen_memory_manager();
+ _managers_list->append(_minor_gc_manager);
+ _managers_list->append(_major_gc_manager);
+
+ add_g1YoungGen_memory_pool(g1h, _major_gc_manager, _minor_gc_manager);
+ add_g1OldGen_memory_pool(g1h, _major_gc_manager);
+}
+#endif // INCLUDE_ALL_GCS
+
+MemoryPool* MemoryService::add_gen(Generation* gen,
+ const char* name,
+ bool is_heap,
+ bool support_usage_threshold) {
+
+ MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
+ GenerationPool* pool = new GenerationPool(gen, name, type, support_usage_threshold);
+ _pools_list->append(pool);
+ return (MemoryPool*) pool;
+}
+
+MemoryPool* MemoryService::add_space(ContiguousSpace* space,
+ const char* name,
+ bool is_heap,
+ size_t max_size,
+ bool support_usage_threshold) {
+ MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
+ ContiguousSpacePool* pool = new ContiguousSpacePool(space, name, type, max_size, support_usage_threshold);
+
+ _pools_list->append(pool);
+ return (MemoryPool*) pool;
+}
+
+MemoryPool* MemoryService::add_survivor_spaces(DefNewGeneration* young_gen,
+ const char* name,
+ bool is_heap,
+ size_t max_size,
+ bool support_usage_threshold) {
+ MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
+ SurvivorContiguousSpacePool* pool = new SurvivorContiguousSpacePool(young_gen, name, type, max_size, support_usage_threshold);
+
+ _pools_list->append(pool);
+ return (MemoryPool*) pool;
+}
+
+#if INCLUDE_ALL_GCS
+MemoryPool* MemoryService::add_cms_space(CompactibleFreeListSpace* space,
+ const char* name,
+ bool is_heap,
+ size_t max_size,
+ bool support_usage_threshold) {
+ MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
+ CompactibleFreeListSpacePool* pool = new CompactibleFreeListSpacePool(space, name, type, max_size, support_usage_threshold);
+ _pools_list->append(pool);
+ return (MemoryPool*) pool;
+}
+#endif // INCLUDE_ALL_GCS
+
+// Add memory pool(s) for one generation
+void MemoryService::add_generation_memory_pool(Generation* gen,
+ MemoryManager* major_mgr,
+ MemoryManager* minor_mgr) {
+ guarantee(gen != NULL, "No generation for memory pool");
+ Generation::Name kind = gen->kind();
+ int index = _pools_list->length();
+
+ switch (kind) {
+ case Generation::DefNew: {
+ assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");
+ DefNewGeneration* young_gen = (DefNewGeneration*) gen;
+ // Add a memory pool for each space and young gen doesn't
+ // support low memory detection as it is expected to get filled up.
+ MemoryPool* eden = add_space(young_gen->eden(),
+ "Eden Space",
+ true, /* is_heap */
+ young_gen->max_eden_size(),
+ false /* support_usage_threshold */);
+ MemoryPool* survivor = add_survivor_spaces(young_gen,
+ "Survivor Space",
+ true, /* is_heap */
+ young_gen->max_survivor_size(),
+ false /* support_usage_threshold */);
+ break;
+ }
+
+#if INCLUDE_ALL_GCS
+ case Generation::ParNew:
+ {
+ assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");
+ // Add a memory pool for each space and young gen doesn't
+ // support low memory detection as it is expected to get filled up.
+ ParNewGeneration* parnew_gen = (ParNewGeneration*) gen;
+ MemoryPool* eden = add_space(parnew_gen->eden(),
+ "Par Eden Space",
+ true /* is_heap */,
+ parnew_gen->max_eden_size(),
+ false /* support_usage_threshold */);
+ MemoryPool* survivor = add_survivor_spaces(parnew_gen,
+ "Par Survivor Space",
+ true, /* is_heap */
+ parnew_gen->max_survivor_size(),
+ false /* support_usage_threshold */);
+
+ break;
+ }
+#endif // INCLUDE_ALL_GCS
+
+ case Generation::MarkSweepCompact: {
+ assert(major_mgr != NULL && minor_mgr == NULL, "Should have only one manager");
+ add_gen(gen,
+ "Tenured Gen",
+ true, /* is_heap */
+ true /* support_usage_threshold */);
+ break;
+ }
+
+#if INCLUDE_ALL_GCS
+ case Generation::ConcurrentMarkSweep:
+ {
+ assert(major_mgr != NULL && minor_mgr == NULL, "Should have only one manager");
+ ConcurrentMarkSweepGeneration* cms = (ConcurrentMarkSweepGeneration*) gen;
+ MemoryPool* pool = add_cms_space(cms->cmsSpace(),
+ "CMS Old Gen",
+ true, /* is_heap */
+ cms->reserved().byte_size(),
+ true /* support_usage_threshold */);
+ break;
+ }
+#endif // INCLUDE_ALL_GCS
+
+ default:
+ assert(false, "should not reach here");
+ // no memory pool added for others
+ break;
+ }
+
+ assert(major_mgr != NULL, "Should have at least one manager");
+ // Link managers and the memory pools together
+ for (int i = index; i < _pools_list->length(); i++) {
+ MemoryPool* pool = _pools_list->at(i);
+ major_mgr->add_pool(pool);
+ if (minor_mgr != NULL) {
+ minor_mgr->add_pool(pool);
+ }
+ }
+}
+
+
+#if INCLUDE_ALL_GCS
+void MemoryService::add_psYoung_memory_pool(PSYoungGen* young_gen, MemoryManager* major_mgr, MemoryManager* minor_mgr) {
+ assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");
+
+ // Add a memory pool for each space and young gen doesn't
+ // support low memory detection as it is expected to get filled up.
+ EdenMutableSpacePool* eden = new EdenMutableSpacePool(young_gen,
+ young_gen->eden_space(),
+ "PS Eden Space",
+ MemoryPool::Heap,
+ false /* support_usage_threshold */);
+
+ SurvivorMutableSpacePool* survivor = new SurvivorMutableSpacePool(young_gen,
+ "PS Survivor Space",
+ MemoryPool::Heap,
+ false /* support_usage_threshold */);
+
+ major_mgr->add_pool(eden);
+ major_mgr->add_pool(survivor);
+ minor_mgr->add_pool(eden);
+ minor_mgr->add_pool(survivor);
+ _pools_list->append(eden);
+ _pools_list->append(survivor);
+}
+
+void MemoryService::add_psOld_memory_pool(PSOldGen* old_gen, MemoryManager* mgr) {
+ PSGenerationPool* old_gen_pool = new PSGenerationPool(old_gen,
+ "PS Old Gen",
+ MemoryPool::Heap,
+ true /* support_usage_threshold */);
+ mgr->add_pool(old_gen_pool);
+ _pools_list->append(old_gen_pool);
+}
+
+void MemoryService::add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
+ MemoryManager* major_mgr,
+ MemoryManager* minor_mgr) {
+ assert(major_mgr != NULL && minor_mgr != NULL, "should have two managers");
+
+ G1EdenPool* eden = new G1EdenPool(g1h);
+ G1SurvivorPool* survivor = new G1SurvivorPool(g1h);
+
+ major_mgr->add_pool(eden);
+ major_mgr->add_pool(survivor);
+ minor_mgr->add_pool(eden);
+ minor_mgr->add_pool(survivor);
+ _pools_list->append(eden);
+ _pools_list->append(survivor);
+}
+
+void MemoryService::add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
+ MemoryManager* mgr) {
+ assert(mgr != NULL, "should have one manager");
+
+ G1OldGenPool* old_gen = new G1OldGenPool(g1h);
+ mgr->add_pool(old_gen);
+ _pools_list->append(old_gen);
+}
+#endif // INCLUDE_ALL_GCS
+
+void MemoryService::add_code_heap_memory_pool(CodeHeap* heap, const char* name) {
+ // Create new memory pool for this heap
+ MemoryPool* code_heap_pool = new CodeHeapPool(heap, name, true /* support_usage_threshold */);
+
+ // Append to lists
+ _code_heap_pools->append(code_heap_pool);
+ _pools_list->append(code_heap_pool);
+
+ if (_code_cache_manager == NULL) {
+ // Create CodeCache memory manager
+ _code_cache_manager = MemoryManager::get_code_cache_memory_manager();
+ _managers_list->append(_code_cache_manager);
+ }
+
+ _code_cache_manager->add_pool(code_heap_pool);
+}
+
+void MemoryService::add_metaspace_memory_pools() {
+ MemoryManager* mgr = MemoryManager::get_metaspace_memory_manager();
+
+ _metaspace_pool = new MetaspacePool();
+ mgr->add_pool(_metaspace_pool);
+ _pools_list->append(_metaspace_pool);
+
+ if (UseCompressedClassPointers) {
+ _compressed_class_pool = new CompressedKlassSpacePool();
+ mgr->add_pool(_compressed_class_pool);
+ _pools_list->append(_compressed_class_pool);
+ }
+
+ _managers_list->append(mgr);
+}
+
+MemoryManager* MemoryService::get_memory_manager(instanceHandle mh) {
+ for (int i = 0; i < _managers_list->length(); i++) {
+ MemoryManager* mgr = _managers_list->at(i);
+ if (mgr->is_manager(mh)) {
+ return mgr;
+ }
+ }
+ return NULL;
+}
+
+MemoryPool* MemoryService::get_memory_pool(instanceHandle ph) {
+ for (int i = 0; i < _pools_list->length(); i++) {
+ MemoryPool* pool = _pools_list->at(i);
+ if (pool->is_pool(ph)) {
+ return pool;
+ }
+ }
+ return NULL;
+}
+
+void MemoryService::track_memory_usage() {
+ // Track the peak memory usage
+ for (int i = 0; i < _pools_list->length(); i++) {
+ MemoryPool* pool = _pools_list->at(i);
+ pool->record_peak_memory_usage();
+ }
+
+ // Detect low memory
+ LowMemoryDetector::detect_low_memory();
+}
+
+void MemoryService::track_memory_pool_usage(MemoryPool* pool) {
+ // Track the peak memory usage
+ pool->record_peak_memory_usage();
+
+ // Detect low memory
+ if (LowMemoryDetector::is_enabled(pool)) {
+ LowMemoryDetector::detect_low_memory(pool);
+ }
+}
+
+void MemoryService::gc_begin(bool fullGC, bool recordGCBeginTime,
+ bool recordAccumulatedGCTime,
+ bool recordPreGCUsage, bool recordPeakUsage) {
+
+ GCMemoryManager* mgr;
+ if (fullGC) {
+ mgr = _major_gc_manager;
+ } else {
+ mgr = _minor_gc_manager;
+ }
+ assert(mgr->is_gc_memory_manager(), "Sanity check");
+ mgr->gc_begin(recordGCBeginTime, recordPreGCUsage, recordAccumulatedGCTime);
+
+ // Track the peak memory usage when GC begins
+ if (recordPeakUsage) {
+ for (int i = 0; i < _pools_list->length(); i++) {
+ MemoryPool* pool = _pools_list->at(i);
+ pool->record_peak_memory_usage();
+ }
+ }
+}
+
+void MemoryService::gc_end(bool fullGC, bool recordPostGCUsage,
+ bool recordAccumulatedGCTime,
+ bool recordGCEndTime, bool countCollection,
+ GCCause::Cause cause) {
+
+ GCMemoryManager* mgr;
+ if (fullGC) {
+ mgr = (GCMemoryManager*) _major_gc_manager;
+ } else {
+ mgr = (GCMemoryManager*) _minor_gc_manager;
+ }
+ assert(mgr->is_gc_memory_manager(), "Sanity check");
+
+ // register the GC end statistics and memory usage
+ mgr->gc_end(recordPostGCUsage, recordAccumulatedGCTime, recordGCEndTime,
+ countCollection, cause);
+}
+
+void MemoryService::oops_do(OopClosure* f) {
+ int i;
+
+ for (i = 0; i < _pools_list->length(); i++) {
+ MemoryPool* pool = _pools_list->at(i);
+ pool->oops_do(f);
+ }
+ for (i = 0; i < _managers_list->length(); i++) {
+ MemoryManager* mgr = _managers_list->at(i);
+ mgr->oops_do(f);
+ }
+}
+
+bool MemoryService::set_verbose(bool verbose) {
+ MutexLocker m(Management_lock);
+ // verbose will be set to the previous value
+ if (verbose) {
+ LogConfiguration::configure_stdout(LogLevel::Info, true, LOG_TAGS(gc));
+ } else {
+ LogConfiguration::configure_stdout(LogLevel::Off, true, LOG_TAGS(gc));
+ }
+ ClassLoadingService::reset_trace_class_unloading();
+
+ return verbose;
+}
+
+Handle MemoryService::create_MemoryUsage_obj(MemoryUsage usage, TRAPS) {
+ InstanceKlass* ik = Management::java_lang_management_MemoryUsage_klass(CHECK_NH);
+
+ instanceHandle obj = ik->allocate_instance_handle(CHECK_NH);
+
+ JavaValue result(T_VOID);
+ JavaCallArguments args(10);
+ args.push_oop(obj); // receiver
+ args.push_long(usage.init_size_as_jlong()); // Argument 1
+ args.push_long(usage.used_as_jlong()); // Argument 2
+ args.push_long(usage.committed_as_jlong()); // Argument 3
+ args.push_long(usage.max_size_as_jlong()); // Argument 4
+
+ JavaCalls::call_special(&result,
+ ik,
+ vmSymbols::object_initializer_name(),
+ vmSymbols::long_long_long_long_void_signature(),
+ &args,
+ CHECK_NH);
+ return obj;
+}
+
+// GC manager type depends on the type of Generation. Depending on the space
+// availability and vm options the gc uses major gc manager or minor gc
+// manager or both. The type of gc manager depends on the generation kind.
+// For DefNew and ParNew generation doing scavenge gc uses minor gc manager (so
+// _fullGC is set to false ) and for other generation kinds doing
+// mark-sweep-compact uses major gc manager (so _fullGC is set to true).
+TraceMemoryManagerStats::TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause) {
+ switch (kind) {
+ case Generation::DefNew:
+#if INCLUDE_ALL_GCS
+ case Generation::ParNew:
+#endif // INCLUDE_ALL_GCS
+ _fullGC = false;
+ break;
+ case Generation::MarkSweepCompact:
+#if INCLUDE_ALL_GCS
+ case Generation::ConcurrentMarkSweep:
+#endif // INCLUDE_ALL_GCS
+ _fullGC = true;
+ break;
+ default:
+ _fullGC = false;
+ assert(false, "Unrecognized gc generation kind.");
+ }
+ // this has to be called in a stop the world pause and represent
+ // an entire gc pause, start to finish:
+ initialize(_fullGC, cause, true, true, true, true, true, true, true);
+}
+
+TraceMemoryManagerStats::TraceMemoryManagerStats(bool fullGC,
+ GCCause::Cause cause,
+ bool recordGCBeginTime,
+ bool recordPreGCUsage,
+ bool recordPeakUsage,
+ bool recordPostGCUsage,
+ bool recordAccumulatedGCTime,
+ bool recordGCEndTime,
+ bool countCollection) {
+ initialize(fullGC, cause, recordGCBeginTime, recordPreGCUsage, recordPeakUsage,
+ recordPostGCUsage, recordAccumulatedGCTime, recordGCEndTime,
+ countCollection);
+}
+
+// for a subclass to create then initialize an instance before invoking
+// the MemoryService
+void TraceMemoryManagerStats::initialize(bool fullGC,
+ GCCause::Cause cause,
+ bool recordGCBeginTime,
+ bool recordPreGCUsage,
+ bool recordPeakUsage,
+ bool recordPostGCUsage,
+ bool recordAccumulatedGCTime,
+ bool recordGCEndTime,
+ bool countCollection) {
+ _fullGC = fullGC;
+ _recordGCBeginTime = recordGCBeginTime;
+ _recordPreGCUsage = recordPreGCUsage;
+ _recordPeakUsage = recordPeakUsage;
+ _recordPostGCUsage = recordPostGCUsage;
+ _recordAccumulatedGCTime = recordAccumulatedGCTime;
+ _recordGCEndTime = recordGCEndTime;
+ _countCollection = countCollection;
+ _cause = cause;
+
+ MemoryService::gc_begin(_fullGC, _recordGCBeginTime, _recordAccumulatedGCTime,
+ _recordPreGCUsage, _recordPeakUsage);
+}
+
+TraceMemoryManagerStats::~TraceMemoryManagerStats() {
+ MemoryService::gc_end(_fullGC, _recordPostGCUsage, _recordAccumulatedGCTime,
+ _recordGCEndTime, _countCollection, _cause);
+}