358 _g1p->phase_times()->record_update_rs_processed_buffers(worker_i, 0);
359 _g1p->phase_times()->record_update_rs_time(worker_i, 0.0);
360 }
361 if (G1UseParallelRSetScanning || (worker_i == 0)) {
362 scanRS(oc, code_root_cl, worker_i);
363 } else {
364 _g1p->phase_times()->record_scan_rs_time(worker_i, 0.0);
365 }
366
367 // We now clear the cached values of _cset_rs_update_cl for this worker
368 _cset_rs_update_cl[worker_i] = NULL;
369 }
370
371 void G1RemSet::prepare_for_oops_into_collection_set_do() {
372 cleanupHRRS();
373 ConcurrentG1Refine* cg1r = _g1->concurrent_g1_refine();
374 _g1->set_refine_cte_cl_concurrency(false);
375 DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
376 dcqs.concatenate_logs();
377
378 if (G1CollectedHeap::use_parallel_gc_threads()) {
379 // Don't set the number of workers here. It will be set
380 // when the task is run
381 // _seq_task->set_n_termination((int)n_workers());
382 }
383 guarantee( _cards_scanned == NULL, "invariant" );
384 _cards_scanned = NEW_C_HEAP_ARRAY(size_t, n_workers(), mtGC);
385 for (uint i = 0; i < n_workers(); ++i) {
386 _cards_scanned[i] = 0;
387 }
388 _total_cards_scanned = 0;
389 }
390
391
392 // This closure, applied to a DirtyCardQueueSet, is used to immediately
393 // update the RSets for the regions in the CSet. For each card it iterates
394 // through the oops which coincide with that card. It scans the reference
395 // fields in each oop; when it finds an oop that points into the collection
396 // set, the RSet for the region containing the referenced object is updated.
397 class UpdateRSetCardTableEntryIntoCSetClosure: public CardTableEntryClosure {
398 G1CollectedHeap* _g1;
399 CardTableModRefBS* _ct_bs;
400 public:
401 UpdateRSetCardTableEntryIntoCSetClosure(G1CollectedHeap* g1,
402 CardTableModRefBS* bs):
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358 _g1p->phase_times()->record_update_rs_processed_buffers(worker_i, 0);
359 _g1p->phase_times()->record_update_rs_time(worker_i, 0.0);
360 }
361 if (G1UseParallelRSetScanning || (worker_i == 0)) {
362 scanRS(oc, code_root_cl, worker_i);
363 } else {
364 _g1p->phase_times()->record_scan_rs_time(worker_i, 0.0);
365 }
366
367 // We now clear the cached values of _cset_rs_update_cl for this worker
368 _cset_rs_update_cl[worker_i] = NULL;
369 }
370
371 void G1RemSet::prepare_for_oops_into_collection_set_do() {
372 cleanupHRRS();
373 ConcurrentG1Refine* cg1r = _g1->concurrent_g1_refine();
374 _g1->set_refine_cte_cl_concurrency(false);
375 DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
376 dcqs.concatenate_logs();
377
378 guarantee( _cards_scanned == NULL, "invariant" );
379 _cards_scanned = NEW_C_HEAP_ARRAY(size_t, n_workers(), mtGC);
380 for (uint i = 0; i < n_workers(); ++i) {
381 _cards_scanned[i] = 0;
382 }
383 _total_cards_scanned = 0;
384 }
385
386
387 // This closure, applied to a DirtyCardQueueSet, is used to immediately
388 // update the RSets for the regions in the CSet. For each card it iterates
389 // through the oops which coincide with that card. It scans the reference
390 // fields in each oop; when it finds an oop that points into the collection
391 // set, the RSet for the region containing the referenced object is updated.
392 class UpdateRSetCardTableEntryIntoCSetClosure: public CardTableEntryClosure {
393 G1CollectedHeap* _g1;
394 CardTableModRefBS* _ct_bs;
395 public:
396 UpdateRSetCardTableEntryIntoCSetClosure(G1CollectedHeap* g1,
397 CardTableModRefBS* bs):
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