29 #include "gc/serial/defNewGeneration.hpp"
30 #include "gc/serial/tenuredGeneration.hpp"
31 #include "gc/shared/collectorPolicy.hpp"
32 #include "gc/shared/genCollectedHeap.hpp"
33 #include "gc/shared/generation.hpp"
34 #include "gc/shared/generationSpec.hpp"
35 #include "memory/heap.hpp"
36 #include "memory/memRegion.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/cms/concurrentMarkSweepGeneration.hpp"
50 #include "gc/cms/parNewGeneration.hpp"
51 #include "gc/g1/g1CollectedHeap.inline.hpp"
52 #include "gc/parallel/parallelScavengeHeap.hpp"
53 #include "gc/parallel/psOldGen.hpp"
54 #include "gc/parallel/psYoungGen.hpp"
55 #include "services/g1MemoryPool.hpp"
56 #include "services/psMemoryPool.hpp"
57 #endif // INCLUDE_ALL_GCS
58
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);
63
64 GCMemoryManager* MemoryService::_minor_gc_manager = NULL;
65 GCMemoryManager* MemoryService::_major_gc_manager = NULL;
66 MemoryManager* MemoryService::_code_cache_manager = NULL;
67 GrowableArray<MemoryPool*>* MemoryService::_code_heap_pools =
68 new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryPool*>(init_code_heap_pools_size, true);
69 MemoryPool* MemoryService::_metaspace_pool = NULL;
70 MemoryPool* MemoryService::_compressed_class_pool = NULL;
71
72 class GcThreadCountClosure: public ThreadClosure {
73 private:
74 int _count;
75 public:
76 GcThreadCountClosure() : _count(0) {};
81 void GcThreadCountClosure::do_thread(Thread* thread) {
82 _count++;
83 }
84
85 void MemoryService::set_universe_heap(CollectedHeap* heap) {
86 CollectedHeap::Name kind = heap->kind();
87 switch (kind) {
88 case CollectedHeap::GenCollectedHeap : {
89 add_gen_collected_heap_info(GenCollectedHeap::heap());
90 break;
91 }
92 #if INCLUDE_ALL_GCS
93 case CollectedHeap::ParallelScavengeHeap : {
94 add_parallel_scavenge_heap_info(ParallelScavengeHeap::heap());
95 break;
96 }
97 case CollectedHeap::G1CollectedHeap : {
98 add_g1_heap_info(G1CollectedHeap::heap());
99 break;
100 }
101 #endif // INCLUDE_ALL_GCS
102 default: {
103 guarantee(false, "Unrecognized kind of heap");
104 }
105 }
106
107 // set the GC thread count
108 GcThreadCountClosure gctcc;
109 heap->gc_threads_do(&gctcc);
110 int count = gctcc.count();
111 if (count > 0) {
112 _minor_gc_manager->set_num_gc_threads(count);
113 _major_gc_manager->set_num_gc_threads(count);
114 }
115
116 // All memory pools and memory managers are initialized.
117 //
118 _minor_gc_manager->initialize_gc_stat_info();
119 _major_gc_manager->initialize_gc_stat_info();
120 }
121
122 // Add memory pools for GenCollectedHeap
123 // This function currently only supports two generations collected heap.
124 // The collector for GenCollectedHeap will have two memory managers.
125 void MemoryService::add_gen_collected_heap_info(GenCollectedHeap* heap) {
126 CollectorPolicy* policy = heap->collector_policy();
127
128 assert(policy->is_generation_policy(), "Only support two generations");
129 GenCollectorPolicy* gen_policy = policy->as_generation_policy();
130 if (gen_policy != NULL) {
131 Generation::Name kind = gen_policy->young_gen_spec()->name();
132 switch (kind) {
133 case Generation::DefNew:
134 _minor_gc_manager = MemoryManager::get_copy_memory_manager();
135 break;
136 #if INCLUDE_ALL_GCS
137 case Generation::ParNew:
138 _minor_gc_manager = MemoryManager::get_parnew_memory_manager();
139 break;
170 _minor_gc_manager = MemoryManager::get_psScavenge_memory_manager();
171 _major_gc_manager = MemoryManager::get_psMarkSweep_memory_manager();
172 _managers_list->append(_minor_gc_manager);
173 _managers_list->append(_major_gc_manager);
174
175 add_psYoung_memory_pool(heap->young_gen(), _major_gc_manager, _minor_gc_manager);
176 add_psOld_memory_pool(heap->old_gen(), _major_gc_manager);
177 }
178
179 void MemoryService::add_g1_heap_info(G1CollectedHeap* g1h) {
180 assert(UseG1GC, "sanity");
181
182 _minor_gc_manager = MemoryManager::get_g1YoungGen_memory_manager();
183 _major_gc_manager = MemoryManager::get_g1OldGen_memory_manager();
184 _managers_list->append(_minor_gc_manager);
185 _managers_list->append(_major_gc_manager);
186
187 add_g1YoungGen_memory_pool(g1h, _major_gc_manager, _minor_gc_manager);
188 add_g1OldGen_memory_pool(g1h, _major_gc_manager);
189 }
190 #endif // INCLUDE_ALL_GCS
191
192 MemoryPool* MemoryService::add_gen(Generation* gen,
193 const char* name,
194 bool is_heap,
195 bool support_usage_threshold) {
196
197 MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
198 GenerationPool* pool = new GenerationPool(gen, name, type, support_usage_threshold);
199 _pools_list->append(pool);
200 return (MemoryPool*) pool;
201 }
202
203 MemoryPool* MemoryService::add_space(ContiguousSpace* space,
204 const char* name,
205 bool is_heap,
206 size_t max_size,
207 bool support_usage_threshold) {
208 MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
209 ContiguousSpacePool* pool = new ContiguousSpacePool(space, name, type, max_size, support_usage_threshold);
368
369 G1EdenPool* eden = new G1EdenPool(g1h);
370 G1SurvivorPool* survivor = new G1SurvivorPool(g1h);
371
372 major_mgr->add_pool(eden);
373 major_mgr->add_pool(survivor);
374 minor_mgr->add_pool(eden);
375 minor_mgr->add_pool(survivor);
376 _pools_list->append(eden);
377 _pools_list->append(survivor);
378 }
379
380 void MemoryService::add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
381 MemoryManager* mgr) {
382 assert(mgr != NULL, "should have one manager");
383
384 G1OldGenPool* old_gen = new G1OldGenPool(g1h);
385 mgr->add_pool(old_gen);
386 _pools_list->append(old_gen);
387 }
388 #endif // INCLUDE_ALL_GCS
389
390 void MemoryService::add_code_heap_memory_pool(CodeHeap* heap, const char* name) {
391 // Create new memory pool for this heap
392 MemoryPool* code_heap_pool = new CodeHeapPool(heap, name, true /* support_usage_threshold */);
393
394 // Append to lists
395 _code_heap_pools->append(code_heap_pool);
396 _pools_list->append(code_heap_pool);
397
398 if (_code_cache_manager == NULL) {
399 // Create CodeCache memory manager
400 _code_cache_manager = MemoryManager::get_code_cache_memory_manager();
401 _managers_list->append(_code_cache_manager);
402 }
403
404 _code_cache_manager->add_pool(code_heap_pool);
405 }
406
407 void MemoryService::add_metaspace_memory_pools() {
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29 #include "gc/serial/defNewGeneration.hpp"
30 #include "gc/serial/tenuredGeneration.hpp"
31 #include "gc/shared/collectorPolicy.hpp"
32 #include "gc/shared/genCollectedHeap.hpp"
33 #include "gc/shared/generation.hpp"
34 #include "gc/shared/generationSpec.hpp"
35 #include "memory/heap.hpp"
36 #include "memory/memRegion.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/shenandoah/shenandoahHeap.hpp"
50 #include "gc/cms/concurrentMarkSweepGeneration.hpp"
51 #include "gc/cms/parNewGeneration.hpp"
52 #include "gc/g1/g1CollectedHeap.inline.hpp"
53 #include "gc/parallel/parallelScavengeHeap.hpp"
54 #include "gc/parallel/psOldGen.hpp"
55 #include "gc/parallel/psYoungGen.hpp"
56 #include "services/g1MemoryPool.hpp"
57 #include "services/psMemoryPool.hpp"
58 #include "services/shenandoahMemoryPool.hpp"
59 #endif // INCLUDE_ALL_GCS
60
61 GrowableArray<MemoryPool*>* MemoryService::_pools_list =
62 new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryPool*>(init_pools_list_size, true);
63 GrowableArray<MemoryManager*>* MemoryService::_managers_list =
64 new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryManager*>(init_managers_list_size, true);
65
66 GCMemoryManager* MemoryService::_minor_gc_manager = NULL;
67 GCMemoryManager* MemoryService::_major_gc_manager = NULL;
68 MemoryManager* MemoryService::_code_cache_manager = NULL;
69 GrowableArray<MemoryPool*>* MemoryService::_code_heap_pools =
70 new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryPool*>(init_code_heap_pools_size, true);
71 MemoryPool* MemoryService::_metaspace_pool = NULL;
72 MemoryPool* MemoryService::_compressed_class_pool = NULL;
73
74 class GcThreadCountClosure: public ThreadClosure {
75 private:
76 int _count;
77 public:
78 GcThreadCountClosure() : _count(0) {};
83 void GcThreadCountClosure::do_thread(Thread* thread) {
84 _count++;
85 }
86
87 void MemoryService::set_universe_heap(CollectedHeap* heap) {
88 CollectedHeap::Name kind = heap->kind();
89 switch (kind) {
90 case CollectedHeap::GenCollectedHeap : {
91 add_gen_collected_heap_info(GenCollectedHeap::heap());
92 break;
93 }
94 #if INCLUDE_ALL_GCS
95 case CollectedHeap::ParallelScavengeHeap : {
96 add_parallel_scavenge_heap_info(ParallelScavengeHeap::heap());
97 break;
98 }
99 case CollectedHeap::G1CollectedHeap : {
100 add_g1_heap_info(G1CollectedHeap::heap());
101 break;
102 }
103 case CollectedHeap::ShenandoahHeap : {
104 add_shenandoah_heap_info(ShenandoahHeap::heap());
105 break;
106 }
107 #endif // INCLUDE_ALL_GCS
108 default: {
109 guarantee(false, "Unrecognized kind of heap");
110 }
111 }
112
113 // set the GC thread count
114 GcThreadCountClosure gctcc;
115 heap->gc_threads_do(&gctcc);
116 int count = gctcc.count();
117 if (count > 0) {
118 _minor_gc_manager->set_num_gc_threads(count);
119 _major_gc_manager->set_num_gc_threads(count);
120 }
121
122 // All memory pools and memory managers are initialized.
123 //
124 if (UseShenandoahGC) {
125 _major_gc_manager->initialize_gc_stat_info();
126 } else {
127 _minor_gc_manager->initialize_gc_stat_info();
128 _major_gc_manager->initialize_gc_stat_info();
129 }
130 }
131
132 // Add memory pools for GenCollectedHeap
133 // This function currently only supports two generations collected heap.
134 // The collector for GenCollectedHeap will have two memory managers.
135 void MemoryService::add_gen_collected_heap_info(GenCollectedHeap* heap) {
136 CollectorPolicy* policy = heap->collector_policy();
137
138 assert(policy->is_generation_policy(), "Only support two generations");
139 GenCollectorPolicy* gen_policy = policy->as_generation_policy();
140 if (gen_policy != NULL) {
141 Generation::Name kind = gen_policy->young_gen_spec()->name();
142 switch (kind) {
143 case Generation::DefNew:
144 _minor_gc_manager = MemoryManager::get_copy_memory_manager();
145 break;
146 #if INCLUDE_ALL_GCS
147 case Generation::ParNew:
148 _minor_gc_manager = MemoryManager::get_parnew_memory_manager();
149 break;
180 _minor_gc_manager = MemoryManager::get_psScavenge_memory_manager();
181 _major_gc_manager = MemoryManager::get_psMarkSweep_memory_manager();
182 _managers_list->append(_minor_gc_manager);
183 _managers_list->append(_major_gc_manager);
184
185 add_psYoung_memory_pool(heap->young_gen(), _major_gc_manager, _minor_gc_manager);
186 add_psOld_memory_pool(heap->old_gen(), _major_gc_manager);
187 }
188
189 void MemoryService::add_g1_heap_info(G1CollectedHeap* g1h) {
190 assert(UseG1GC, "sanity");
191
192 _minor_gc_manager = MemoryManager::get_g1YoungGen_memory_manager();
193 _major_gc_manager = MemoryManager::get_g1OldGen_memory_manager();
194 _managers_list->append(_minor_gc_manager);
195 _managers_list->append(_major_gc_manager);
196
197 add_g1YoungGen_memory_pool(g1h, _major_gc_manager, _minor_gc_manager);
198 add_g1OldGen_memory_pool(g1h, _major_gc_manager);
199 }
200
201 void MemoryService::add_shenandoah_heap_info(ShenandoahHeap* pgch) {
202 assert(UseShenandoahGC, "sanity");
203 _major_gc_manager = MemoryManager::get_shenandoah_memory_manager();
204 _minor_gc_manager = MemoryManager::get_shenandoah_memory_manager();
205 _managers_list->append(_major_gc_manager);
206 add_shenandoah_memory_pool(pgch, _major_gc_manager);
207 }
208
209 #endif // INCLUDE_ALL_GCS
210
211 MemoryPool* MemoryService::add_gen(Generation* gen,
212 const char* name,
213 bool is_heap,
214 bool support_usage_threshold) {
215
216 MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
217 GenerationPool* pool = new GenerationPool(gen, name, type, support_usage_threshold);
218 _pools_list->append(pool);
219 return (MemoryPool*) pool;
220 }
221
222 MemoryPool* MemoryService::add_space(ContiguousSpace* space,
223 const char* name,
224 bool is_heap,
225 size_t max_size,
226 bool support_usage_threshold) {
227 MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
228 ContiguousSpacePool* pool = new ContiguousSpacePool(space, name, type, max_size, support_usage_threshold);
387
388 G1EdenPool* eden = new G1EdenPool(g1h);
389 G1SurvivorPool* survivor = new G1SurvivorPool(g1h);
390
391 major_mgr->add_pool(eden);
392 major_mgr->add_pool(survivor);
393 minor_mgr->add_pool(eden);
394 minor_mgr->add_pool(survivor);
395 _pools_list->append(eden);
396 _pools_list->append(survivor);
397 }
398
399 void MemoryService::add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
400 MemoryManager* mgr) {
401 assert(mgr != NULL, "should have one manager");
402
403 G1OldGenPool* old_gen = new G1OldGenPool(g1h);
404 mgr->add_pool(old_gen);
405 _pools_list->append(old_gen);
406 }
407
408 void MemoryService::add_shenandoah_memory_pool(ShenandoahHeap* pgc,
409 MemoryManager* mgr) {
410 ShenandoahMemoryPool* pool = new ShenandoahMemoryPool(pgc,
411 "Shenandoah",
412 MemoryPool::Heap,
413 false /* support_usage_threshold */);
414
415 mgr->add_pool(pool);
416 _pools_list->append(pool);
417 }
418
419
420 #endif // INCLUDE_ALL_GCS
421
422 void MemoryService::add_code_heap_memory_pool(CodeHeap* heap, const char* name) {
423 // Create new memory pool for this heap
424 MemoryPool* code_heap_pool = new CodeHeapPool(heap, name, true /* support_usage_threshold */);
425
426 // Append to lists
427 _code_heap_pools->append(code_heap_pool);
428 _pools_list->append(code_heap_pool);
429
430 if (_code_cache_manager == NULL) {
431 // Create CodeCache memory manager
432 _code_cache_manager = MemoryManager::get_code_cache_memory_manager();
433 _managers_list->append(_code_cache_manager);
434 }
435
436 _code_cache_manager->add_pool(code_heap_pool);
437 }
438
439 void MemoryService::add_metaspace_memory_pools() {
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