1 /*
2 * Copyright (c) 2003, 2013, 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 */
24
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 #include "services/epsilonMemoryPool.hpp"
58 #endif // INCLUDE_ALL_GCS
59
60 GrowableArray<MemoryPool*>* MemoryService::_pools_list =
61 new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryPool*>(init_pools_list_size, true);
62 GrowableArray<MemoryManager*>* MemoryService::_managers_list =
63 new (ResourceObj::C_HEAP, mtInternal) GrowableArray<MemoryManager*>(init_managers_list_size, true);
64
65 GCMemoryManager* MemoryService::_minor_gc_manager = NULL;
66 GCMemoryManager* MemoryService::_major_gc_manager = NULL;
67 MemoryPool* MemoryService::_code_heap_pool = NULL;
68 MemoryPool* MemoryService::_metaspace_pool = NULL;
69 MemoryPool* MemoryService::_compressed_class_pool = NULL;
70
71 class GcThreadCountClosure: public ThreadClosure {
72 private:
73 int _count;
74 public:
75 GcThreadCountClosure() : _count(0) {};
76 void do_thread(Thread* thread);
77 int count() { return _count; }
78 };
79
80 void GcThreadCountClosure::do_thread(Thread* thread) {
81 _count++;
82 }
83
84 void MemoryService::set_universe_heap(CollectedHeap* heap) {
85 CollectedHeap::Name kind = heap->kind();
86 switch (kind) {
87 case CollectedHeap::GenCollectedHeap : {
88 add_gen_collected_heap_info(GenCollectedHeap::heap());
89 break;
90 }
91 #if INCLUDE_ALL_GCS
92 case CollectedHeap::ParallelScavengeHeap : {
93 add_parallel_scavenge_heap_info(ParallelScavengeHeap::heap());
94 break;
95 }
96 case CollectedHeap::G1CollectedHeap : {
97 add_g1_heap_info(G1CollectedHeap::heap());
98 break;
99 }
100 case CollectedHeap::EpsilonCollectedHeap : {
101 add_epsilon_heap_info(EpsilonCollectedHeap::heap());
102 break;
103 }
104 #endif // INCLUDE_ALL_GCS
105 default: {
106 guarantee(false, "Unrecognized kind of heap");
107 }
108 }
109
110 // set the GC thread count
111 GcThreadCountClosure gctcc;
112 heap->gc_threads_do(&gctcc);
113 int count = gctcc.count();
114 if (count > 0) {
115 _minor_gc_manager->set_num_gc_threads(count);
116 _major_gc_manager->set_num_gc_threads(count);
117 }
118
119 // All memory pools and memory managers are initialized.
120 //
121 _minor_gc_manager->initialize_gc_stat_info();
122 _major_gc_manager->initialize_gc_stat_info();
123 }
124
125 // Add memory pools for GenCollectedHeap
126 // This function currently only supports two generations collected heap.
127 // The collector for GenCollectedHeap will have two memory managers.
128 void MemoryService::add_gen_collected_heap_info(GenCollectedHeap* heap) {
129 CollectorPolicy* policy = heap->collector_policy();
130
131 assert(policy->is_two_generation_policy(), "Only support two generations");
132 guarantee(heap->n_gens() == 2, "Only support two-generation heap");
133
134 TwoGenerationCollectorPolicy* two_gen_policy = policy->as_two_generation_policy();
135 if (two_gen_policy != NULL) {
136 GenerationSpec** specs = two_gen_policy->generations();
137 Generation::Name kind = specs[0]->name();
138 switch (kind) {
139 case Generation::DefNew:
140 _minor_gc_manager = MemoryManager::get_copy_memory_manager();
141 break;
142 #if INCLUDE_ALL_GCS
143 case Generation::ParNew:
144 case Generation::ASParNew:
145 _minor_gc_manager = MemoryManager::get_parnew_memory_manager();
146 break;
147 #endif // INCLUDE_ALL_GCS
148 default:
149 guarantee(false, "Unrecognized generation spec");
150 break;
151 }
152 if (policy->is_mark_sweep_policy()) {
153 _major_gc_manager = MemoryManager::get_msc_memory_manager();
154 #if INCLUDE_ALL_GCS
155 } else if (policy->is_concurrent_mark_sweep_policy()) {
156 _major_gc_manager = MemoryManager::get_cms_memory_manager();
157 #endif // INCLUDE_ALL_GCS
158 } else {
159 guarantee(false, "Unknown two-gen policy");
160 }
161 } else {
162 guarantee(false, "Non two-gen policy");
163 }
164 _managers_list->append(_minor_gc_manager);
165 _managers_list->append(_major_gc_manager);
166
167 add_generation_memory_pool(heap->get_gen(minor), _major_gc_manager, _minor_gc_manager);
168 add_generation_memory_pool(heap->get_gen(major), _major_gc_manager);
169 }
170
171 #if INCLUDE_ALL_GCS
172 // Add memory pools for ParallelScavengeHeap
173 // This function currently only supports two generations collected heap.
174 // The collector for ParallelScavengeHeap will have two memory managers.
175 void MemoryService::add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap) {
176 // Two managers to keep statistics about _minor_gc_manager and _major_gc_manager GC.
177 _minor_gc_manager = MemoryManager::get_psScavenge_memory_manager();
178 _major_gc_manager = MemoryManager::get_psMarkSweep_memory_manager();
179 _managers_list->append(_minor_gc_manager);
180 _managers_list->append(_major_gc_manager);
181
182 add_psYoung_memory_pool(heap->young_gen(), _major_gc_manager, _minor_gc_manager);
183 add_psOld_memory_pool(heap->old_gen(), _major_gc_manager);
184 }
185
186 void MemoryService::add_g1_heap_info(G1CollectedHeap* g1h) {
187 assert(UseG1GC, "sanity");
188
189 _minor_gc_manager = MemoryManager::get_g1YoungGen_memory_manager();
190 _major_gc_manager = MemoryManager::get_g1OldGen_memory_manager();
191 _managers_list->append(_minor_gc_manager);
192 _managers_list->append(_major_gc_manager);
193
194 add_g1YoungGen_memory_pool(g1h, _major_gc_manager, _minor_gc_manager);
195 add_g1OldGen_memory_pool(g1h, _major_gc_manager);
196 }
197
198 void MemoryService::add_epsilon_heap_info(EpsilonCollectedHeap* eh) {
199 assert(UseEpsilonGC, "sanity");
200
201 _minor_gc_manager = MemoryManager::get_epsilon_memory_manager();
202 _major_gc_manager = MemoryManager::get_epsilon_memory_manager();
203 _managers_list->append(_minor_gc_manager);
204 _managers_list->append(_major_gc_manager);
205
206 EpsilonDummyMemoryPool* dummy = new EpsilonDummyMemoryPool();
207 _minor_gc_manager->add_pool(dummy);
208 _pools_list->append(dummy);
209
210 EpsilonMemoryPool* pool = new EpsilonMemoryPool(eh);
211 _major_gc_manager->add_pool(pool);
212 _pools_list->append(pool);
213 }
214 #endif // INCLUDE_ALL_GCS
215
216 MemoryPool* MemoryService::add_gen(Generation* gen,
217 const char* name,
218 bool is_heap,
219 bool support_usage_threshold) {
220
221 MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
222 GenerationPool* pool = new GenerationPool(gen, name, type, support_usage_threshold);
223 _pools_list->append(pool);
224 return (MemoryPool*) pool;
225 }
226
227 MemoryPool* MemoryService::add_space(ContiguousSpace* 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 ContiguousSpacePool* pool = new ContiguousSpacePool(space, name, type, max_size, support_usage_threshold);
234
235 _pools_list->append(pool);
236 return (MemoryPool*) pool;
237 }
238
239 MemoryPool* MemoryService::add_survivor_spaces(DefNewGeneration* gen,
240 const char* name,
241 bool is_heap,
242 size_t max_size,
243 bool support_usage_threshold) {
244 MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
245 SurvivorContiguousSpacePool* pool = new SurvivorContiguousSpacePool(gen, name, type, max_size, support_usage_threshold);
246
247 _pools_list->append(pool);
248 return (MemoryPool*) pool;
249 }
250
251 #if INCLUDE_ALL_GCS
252 MemoryPool* MemoryService::add_cms_space(CompactibleFreeListSpace* space,
253 const char* name,
254 bool is_heap,
255 size_t max_size,
256 bool support_usage_threshold) {
257 MemoryPool::PoolType type = (is_heap ? MemoryPool::Heap : MemoryPool::NonHeap);
258 CompactibleFreeListSpacePool* pool = new CompactibleFreeListSpacePool(space, name, type, max_size, support_usage_threshold);
259 _pools_list->append(pool);
260 return (MemoryPool*) pool;
261 }
262 #endif // INCLUDE_ALL_GCS
263
264 // Add memory pool(s) for one generation
265 void MemoryService::add_generation_memory_pool(Generation* gen,
266 MemoryManager* major_mgr,
267 MemoryManager* minor_mgr) {
268 guarantee(gen != NULL, "No generation for memory pool");
269 Generation::Name kind = gen->kind();
270 int index = _pools_list->length();
271
272 switch (kind) {
273 case Generation::DefNew: {
274 assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");
275 DefNewGeneration* young_gen = (DefNewGeneration*) gen;
276 // Add a memory pool for each space and young gen doesn't
277 // support low memory detection as it is expected to get filled up.
278 MemoryPool* eden = add_space(young_gen->eden(),
279 "Eden Space",
280 true, /* is_heap */
281 young_gen->max_eden_size(),
282 false /* support_usage_threshold */);
283 MemoryPool* survivor = add_survivor_spaces(young_gen,
284 "Survivor Space",
285 true, /* is_heap */
286 young_gen->max_survivor_size(),
287 false /* support_usage_threshold */);
288 break;
289 }
290
291 #if INCLUDE_ALL_GCS
292 case Generation::ParNew:
293 case Generation::ASParNew:
294 {
295 assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");
296 // Add a memory pool for each space and young gen doesn't
297 // support low memory detection as it is expected to get filled up.
298 ParNewGeneration* parnew_gen = (ParNewGeneration*) gen;
299 MemoryPool* eden = add_space(parnew_gen->eden(),
300 "Par Eden Space",
301 true /* is_heap */,
302 parnew_gen->max_eden_size(),
303 false /* support_usage_threshold */);
304 MemoryPool* survivor = add_survivor_spaces(parnew_gen,
305 "Par Survivor Space",
306 true, /* is_heap */
307 parnew_gen->max_survivor_size(),
308 false /* support_usage_threshold */);
309
310 break;
311 }
312 #endif // INCLUDE_ALL_GCS
313
314 case Generation::MarkSweepCompact: {
315 assert(major_mgr != NULL && minor_mgr == NULL, "Should have only one manager");
316 add_gen(gen,
317 "Tenured Gen",
318 true, /* is_heap */
319 true /* support_usage_threshold */);
320 break;
321 }
322
323 #if INCLUDE_ALL_GCS
324 case Generation::ConcurrentMarkSweep:
325 case Generation::ASConcurrentMarkSweep:
326 {
327 assert(major_mgr != NULL && minor_mgr == NULL, "Should have only one manager");
328 ConcurrentMarkSweepGeneration* cms = (ConcurrentMarkSweepGeneration*) gen;
329 MemoryPool* pool = add_cms_space(cms->cmsSpace(),
330 "CMS Old Gen",
331 true, /* is_heap */
332 cms->reserved().byte_size(),
333 true /* support_usage_threshold */);
334 break;
335 }
336 #endif // INCLUDE_ALL_GCS
337
338 default:
339 assert(false, "should not reach here");
340 // no memory pool added for others
341 break;
342 }
343
344 assert(major_mgr != NULL, "Should have at least one manager");
345 // Link managers and the memory pools together
346 for (int i = index; i < _pools_list->length(); i++) {
347 MemoryPool* pool = _pools_list->at(i);
348 major_mgr->add_pool(pool);
349 if (minor_mgr != NULL) {
350 minor_mgr->add_pool(pool);
351 }
352 }
353 }
354
355
356 #if INCLUDE_ALL_GCS
357 void MemoryService::add_psYoung_memory_pool(PSYoungGen* gen, MemoryManager* major_mgr, MemoryManager* minor_mgr) {
358 assert(major_mgr != NULL && minor_mgr != NULL, "Should have two managers");
359
360 // Add a memory pool for each space and young gen doesn't
361 // support low memory detection as it is expected to get filled up.
362 EdenMutableSpacePool* eden = new EdenMutableSpacePool(gen,
363 gen->eden_space(),
364 "PS Eden Space",
365 MemoryPool::Heap,
366 false /* support_usage_threshold */);
367
368 SurvivorMutableSpacePool* survivor = new SurvivorMutableSpacePool(gen,
369 "PS Survivor Space",
370 MemoryPool::Heap,
371 false /* support_usage_threshold */);
372
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 }
380
381 void MemoryService::add_psOld_memory_pool(PSOldGen* gen, MemoryManager* mgr) {
382 PSGenerationPool* old_gen = new PSGenerationPool(gen,
383 "PS Old Gen",
384 MemoryPool::Heap,
385 true /* support_usage_threshold */);
386 mgr->add_pool(old_gen);
387 _pools_list->append(old_gen);
388 }
389
390 void MemoryService::add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
391 MemoryManager* major_mgr,
392 MemoryManager* minor_mgr) {
393 assert(major_mgr != NULL && minor_mgr != NULL, "should have two managers");
394
395 G1EdenPool* eden = new G1EdenPool(g1h);
396 G1SurvivorPool* survivor = new G1SurvivorPool(g1h);
397
398 major_mgr->add_pool(eden);
399 major_mgr->add_pool(survivor);
400 minor_mgr->add_pool(eden);
401 minor_mgr->add_pool(survivor);
402 _pools_list->append(eden);
403 _pools_list->append(survivor);
404 }
405
406 void MemoryService::add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
407 MemoryManager* mgr) {
408 assert(mgr != NULL, "should have one manager");
409
410 G1OldGenPool* old_gen = new G1OldGenPool(g1h);
411 mgr->add_pool(old_gen);
412 _pools_list->append(old_gen);
413 }
414 #endif // INCLUDE_ALL_GCS
415
416 void MemoryService::add_code_heap_memory_pool(CodeHeap* heap) {
417 _code_heap_pool = new CodeHeapPool(heap,
418 "Code Cache",
419 true /* support_usage_threshold */);
420 MemoryManager* mgr = MemoryManager::get_code_cache_memory_manager();
421 mgr->add_pool(_code_heap_pool);
422
423 _pools_list->append(_code_heap_pool);
424 _managers_list->append(mgr);
425 }
426
427 void MemoryService::add_metaspace_memory_pools() {
428 MemoryManager* mgr = MemoryManager::get_metaspace_memory_manager();
429
430 _metaspace_pool = new MetaspacePool();
431 mgr->add_pool(_metaspace_pool);
432 _pools_list->append(_metaspace_pool);
433
434 if (UseCompressedClassPointers) {
435 _compressed_class_pool = new CompressedKlassSpacePool();
436 mgr->add_pool(_compressed_class_pool);
437 _pools_list->append(_compressed_class_pool);
438 }
439
440 _managers_list->append(mgr);
441 }
442
443 MemoryManager* MemoryService::get_memory_manager(instanceHandle mh) {
444 for (int i = 0; i < _managers_list->length(); i++) {
445 MemoryManager* mgr = _managers_list->at(i);
446 if (mgr->is_manager(mh)) {
447 return mgr;
448 }
449 }
450 return NULL;
451 }
452
453 MemoryPool* MemoryService::get_memory_pool(instanceHandle ph) {
454 for (int i = 0; i < _pools_list->length(); i++) {
455 MemoryPool* pool = _pools_list->at(i);
456 if (pool->is_pool(ph)) {
457 return pool;
458 }
459 }
460 return NULL;
461 }
462
463 void MemoryService::track_memory_usage() {
464 // Track the peak memory usage
465 for (int i = 0; i < _pools_list->length(); i++) {
466 MemoryPool* pool = _pools_list->at(i);
467 pool->record_peak_memory_usage();
468 }
469
470 // Detect low memory
471 LowMemoryDetector::detect_low_memory();
472 }
473
474 void MemoryService::track_memory_pool_usage(MemoryPool* pool) {
475 // Track the peak memory usage
476 pool->record_peak_memory_usage();
477
478 // Detect low memory
479 if (LowMemoryDetector::is_enabled(pool)) {
480 LowMemoryDetector::detect_low_memory(pool);
481 }
482 }
483
484 void MemoryService::gc_begin(bool fullGC, bool recordGCBeginTime,
485 bool recordAccumulatedGCTime,
486 bool recordPreGCUsage, bool recordPeakUsage) {
487
488 GCMemoryManager* mgr;
489 if (fullGC) {
490 mgr = _major_gc_manager;
491 } else {
492 mgr = _minor_gc_manager;
493 }
494 assert(mgr->is_gc_memory_manager(), "Sanity check");
495 mgr->gc_begin(recordGCBeginTime, recordPreGCUsage, recordAccumulatedGCTime);
496
497 // Track the peak memory usage when GC begins
498 if (recordPeakUsage) {
499 for (int i = 0; i < _pools_list->length(); i++) {
500 MemoryPool* pool = _pools_list->at(i);
501 pool->record_peak_memory_usage();
502 }
503 }
504 }
505
506 void MemoryService::gc_end(bool fullGC, bool recordPostGCUsage,
507 bool recordAccumulatedGCTime,
508 bool recordGCEndTime, bool countCollection,
509 GCCause::Cause cause) {
510
511 GCMemoryManager* mgr;
512 if (fullGC) {
513 mgr = (GCMemoryManager*) _major_gc_manager;
514 } else {
515 mgr = (GCMemoryManager*) _minor_gc_manager;
516 }
517 assert(mgr->is_gc_memory_manager(), "Sanity check");
518
519 // register the GC end statistics and memory usage
520 mgr->gc_end(recordPostGCUsage, recordAccumulatedGCTime, recordGCEndTime,
521 countCollection, cause);
522 }
523
524 void MemoryService::oops_do(OopClosure* f) {
525 int i;
526
527 for (i = 0; i < _pools_list->length(); i++) {
528 MemoryPool* pool = _pools_list->at(i);
529 pool->oops_do(f);
530 }
531 for (i = 0; i < _managers_list->length(); i++) {
532 MemoryManager* mgr = _managers_list->at(i);
533 mgr->oops_do(f);
534 }
535 }
536
537 bool MemoryService::set_verbose(bool verbose) {
538 MutexLocker m(Management_lock);
539 // verbose will be set to the previous value
540 bool succeed = CommandLineFlags::boolAtPut((char*)"PrintGC", &verbose, Flag::MANAGEMENT);
541 assert(succeed, "Setting PrintGC flag fails");
542 ClassLoadingService::reset_trace_class_unloading();
543
544 return verbose;
545 }
546
547 Handle MemoryService::create_MemoryUsage_obj(MemoryUsage usage, TRAPS) {
548 Klass* k = Management::java_lang_management_MemoryUsage_klass(CHECK_NH);
549 instanceKlassHandle ik(THREAD, k);
550
551 instanceHandle obj = ik->allocate_instance_handle(CHECK_NH);
552
553 JavaValue result(T_VOID);
554 JavaCallArguments args(10);
555 args.push_oop(obj); // receiver
556 args.push_long(usage.init_size_as_jlong()); // Argument 1
557 args.push_long(usage.used_as_jlong()); // Argument 2
558 args.push_long(usage.committed_as_jlong()); // Argument 3
559 args.push_long(usage.max_size_as_jlong()); // Argument 4
560
561 JavaCalls::call_special(&result,
562 ik,
563 vmSymbols::object_initializer_name(),
564 vmSymbols::long_long_long_long_void_signature(),
565 &args,
566 CHECK_NH);
567 return obj;
568 }
569 //
570 // GC manager type depends on the type of Generation. Depending on the space
571 // availablity and vm options the gc uses major gc manager or minor gc
572 // manager or both. The type of gc manager depends on the generation kind.
573 // For DefNew, ParNew and ASParNew generation doing scavenge gc uses minor
574 // gc manager (so _fullGC is set to false ) and for other generation kinds
575 // doing mark-sweep-compact uses major gc manager (so _fullGC is set
576 // to true).
577 TraceMemoryManagerStats::TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause) {
578 switch (kind) {
579 case Generation::DefNew:
580 #if INCLUDE_ALL_GCS
581 case Generation::ParNew:
582 case Generation::ASParNew:
583 #endif // INCLUDE_ALL_GCS
584 _fullGC=false;
585 break;
586 case Generation::MarkSweepCompact:
587 #if INCLUDE_ALL_GCS
588 case Generation::ConcurrentMarkSweep:
589 case Generation::ASConcurrentMarkSweep:
590 #endif // INCLUDE_ALL_GCS
591 _fullGC=true;
592 break;
593 default:
594 assert(false, "Unrecognized gc generation kind.");
595 }
596 // this has to be called in a stop the world pause and represent
597 // an entire gc pause, start to finish:
598 initialize(_fullGC, cause,true, true, true, true, true, true, true);
599 }
600 TraceMemoryManagerStats::TraceMemoryManagerStats(bool fullGC,
601 GCCause::Cause cause,
602 bool recordGCBeginTime,
603 bool recordPreGCUsage,
604 bool recordPeakUsage,
605 bool recordPostGCUsage,
606 bool recordAccumulatedGCTime,
607 bool recordGCEndTime,
608 bool countCollection) {
609 initialize(fullGC, cause, recordGCBeginTime, recordPreGCUsage, recordPeakUsage,
610 recordPostGCUsage, recordAccumulatedGCTime, recordGCEndTime,
611 countCollection);
612 }
613
614 // for a subclass to create then initialize an instance before invoking
615 // the MemoryService
616 void TraceMemoryManagerStats::initialize(bool fullGC,
617 GCCause::Cause cause,
618 bool recordGCBeginTime,
619 bool recordPreGCUsage,
620 bool recordPeakUsage,
621 bool recordPostGCUsage,
622 bool recordAccumulatedGCTime,
623 bool recordGCEndTime,
624 bool countCollection) {
625 _fullGC = fullGC;
626 _recordGCBeginTime = recordGCBeginTime;
627 _recordPreGCUsage = recordPreGCUsage;
628 _recordPeakUsage = recordPeakUsage;
629 _recordPostGCUsage = recordPostGCUsage;
630 _recordAccumulatedGCTime = recordAccumulatedGCTime;
631 _recordGCEndTime = recordGCEndTime;
632 _countCollection = countCollection;
633 _cause = cause;
634
635 MemoryService::gc_begin(_fullGC, _recordGCBeginTime, _recordAccumulatedGCTime,
636 _recordPreGCUsage, _recordPeakUsage);
637 }
638
639 TraceMemoryManagerStats::~TraceMemoryManagerStats() {
640 MemoryService::gc_end(_fullGC, _recordPostGCUsage, _recordAccumulatedGCTime,
641 _recordGCEndTime, _countCollection, _cause);
642 }