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comparison src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp @ 20804:7848fc12602b

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Merge with jdk8u40-b25
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Tue, 07 Apr 2015 14:58:49 +0200
parents 52b4284cb496 0982ec23da03
children
comparison
equal deleted inserted replaced
20184:84105dcdb05b 20804:7848fc12602b
329 ResourceMark rm; 329 ResourceMark rm;
330 HandleMark hm; 330 HandleMark hm;
331 331
332 gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps); 332 gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);
333 TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty); 333 TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);
334 GCTraceTime t1(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, NULL); 334 GCTraceTime t1(GCCauseString("GC", gc_cause), PrintGC, !PrintGCDetails, NULL, _gc_tracer.gc_id());
335 TraceCollectorStats tcs(counters()); 335 TraceCollectorStats tcs(counters());
336 TraceMemoryManagerStats tms(false /* not full GC */,gc_cause); 336 TraceMemoryManagerStats tms(false /* not full GC */,gc_cause);
337 337
338 if (TraceGen0Time) accumulated_time()->start(); 338 if (TraceGen0Time) accumulated_time()->start();
339 339
395 PSPromotionManager::pre_scavenge(); 395 PSPromotionManager::pre_scavenge();
396 396
397 // We'll use the promotion manager again later. 397 // We'll use the promotion manager again later.
398 PSPromotionManager* promotion_manager = PSPromotionManager::vm_thread_promotion_manager(); 398 PSPromotionManager* promotion_manager = PSPromotionManager::vm_thread_promotion_manager();
399 { 399 {
400 GCTraceTime tm("Scavenge", false, false, &_gc_timer); 400 GCTraceTime tm("Scavenge", false, false, &_gc_timer, _gc_tracer.gc_id());
401 ParallelScavengeHeap::ParStrongRootsScope psrs; 401 ParallelScavengeHeap::ParStrongRootsScope psrs;
402 402
403 GCTaskQueue* q = GCTaskQueue::create(); 403 GCTaskQueue* q = GCTaskQueue::create();
404 404
405 if (!old_gen->object_space()->is_empty()) { 405 if (!old_gen->object_space()->is_empty()) {
437 437
438 scavenge_midpoint.update(); 438 scavenge_midpoint.update();
439 439
440 // Process reference objects discovered during scavenge 440 // Process reference objects discovered during scavenge
441 { 441 {
442 GCTraceTime tm("References", false, false, &_gc_timer); 442 GCTraceTime tm("References", false, false, &_gc_timer, _gc_tracer.gc_id());
443 443
444 reference_processor()->setup_policy(false); // not always_clear 444 reference_processor()->setup_policy(false); // not always_clear
445 reference_processor()->set_active_mt_degree(active_workers); 445 reference_processor()->set_active_mt_degree(active_workers);
446 PSKeepAliveClosure keep_alive(promotion_manager); 446 PSKeepAliveClosure keep_alive(promotion_manager);
447 PSEvacuateFollowersClosure evac_followers(promotion_manager); 447 PSEvacuateFollowersClosure evac_followers(promotion_manager);
448 ReferenceProcessorStats stats; 448 ReferenceProcessorStats stats;
449 if (reference_processor()->processing_is_mt()) { 449 if (reference_processor()->processing_is_mt()) {
450 PSRefProcTaskExecutor task_executor; 450 PSRefProcTaskExecutor task_executor;
451 stats = reference_processor()->process_discovered_references( 451 stats = reference_processor()->process_discovered_references(
452 &_is_alive_closure, &keep_alive, &evac_followers, &task_executor, 452 &_is_alive_closure, &keep_alive, &evac_followers, &task_executor,
453 &_gc_timer); 453 &_gc_timer, _gc_tracer.gc_id());
454 } else { 454 } else {
455 stats = reference_processor()->process_discovered_references( 455 stats = reference_processor()->process_discovered_references(
456 &_is_alive_closure, &keep_alive, &evac_followers, NULL, &_gc_timer); 456 &_is_alive_closure, &keep_alive, &evac_followers, NULL, &_gc_timer, _gc_tracer.gc_id());
457 } 457 }
458 458
459 _gc_tracer.report_gc_reference_stats(stats); 459 _gc_tracer.report_gc_reference_stats(stats);
460 460
461 // Enqueue reference objects discovered during scavenge. 461 // Enqueue reference objects discovered during scavenge.
466 reference_processor()->enqueue_discovered_references(NULL); 466 reference_processor()->enqueue_discovered_references(NULL);
467 } 467 }
468 } 468 }
469 469
470 { 470 {
471 GCTraceTime tm("StringTable", false, false, &_gc_timer); 471 GCTraceTime tm("StringTable", false, false, &_gc_timer, _gc_tracer.gc_id());
472 // Unlink any dead interned Strings and process the remaining live ones. 472 // Unlink any dead interned Strings and process the remaining live ones.
473 PSScavengeRootsClosure root_closure(promotion_manager); 473 PSScavengeRootsClosure root_closure(promotion_manager);
474 StringTable::unlink_or_oops_do(&_is_alive_closure, &root_closure); 474 StringTable::unlink_or_oops_do(&_is_alive_closure, &root_closure);
475 } 475 }
476 476
636 COMPILER2_PRESENT(DerivedPointerTable::update_pointers()); 636 COMPILER2_PRESENT(DerivedPointerTable::update_pointers());
637 637
638 NOT_PRODUCT(reference_processor()->verify_no_references_recorded()); 638 NOT_PRODUCT(reference_processor()->verify_no_references_recorded());
639 639
640 { 640 {
641 GCTraceTime tm("Prune Scavenge Root Methods", false, false, &_gc_timer); 641 GCTraceTime tm("Prune Scavenge Root Methods", false, false, &_gc_timer, _gc_tracer.gc_id());
642 642
643 CodeCache::prune_scavenge_root_nmethods(); 643 CodeCache::prune_scavenge_root_nmethods();
644 } 644 }
645 645
646 // Re-verify object start arrays 646 // Re-verify object start arrays