485 // Accumulate statistics before retiring
486 ThreadLocalAllocBuffer::accumulate_statistics_before_gc();
487 }
488
489 // The main thread starts allocating via a TLAB even before it
490 // has added itself to the threads list at vm boot-up.
491 JavaThreadIteratorWithHandle jtiwh;
492 assert(jtiwh.length() > 0,
493 "Attempt to fill tlabs before main thread has been added"
494 " to threads list is doomed to failure!");
495 BarrierSet *bs = BarrierSet::barrier_set();
496 for (; JavaThread *thread = jtiwh.next(); ) {
497 if (UseTLAB) {
498 thread->tlab().make_parsable(retire_tlabs);
499 }
500 bs->make_parsable(thread);
501 }
502 }
503
504 void CollectedHeap::resize_all_tlabs() {
505 if (UseTLAB) {
506 assert(SafepointSynchronize::is_at_safepoint() ||
507 !is_init_completed(),
508 "should only resize tlabs at safepoint");
509
510 ThreadLocalAllocBuffer::resize_all_tlabs();
511 }
512 }
513
514 void CollectedHeap::full_gc_dump(GCTimer* timer, bool before) {
515 assert(timer != NULL, "timer is null");
516 if ((HeapDumpBeforeFullGC && before) || (HeapDumpAfterFullGC && !before)) {
517 GCTraceTime(Info, gc) tm(before ? "Heap Dump (before full gc)" : "Heap Dump (after full gc)", timer);
518 HeapDumper::dump_heap();
519 }
520
521 LogTarget(Trace, gc, classhisto) lt;
522 if (lt.is_enabled()) {
523 GCTraceTime(Trace, gc, classhisto) tm(before ? "Class Histogram (before full gc)" : "Class Histogram (after full gc)", timer);
524 ResourceMark rm;
525 LogStream ls(lt);
526 VM_GC_HeapInspection inspector(&ls, false /* ! full gc */);
527 inspector.doit();
528 }
529 }
530
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485 // Accumulate statistics before retiring
486 ThreadLocalAllocBuffer::accumulate_statistics_before_gc();
487 }
488
489 // The main thread starts allocating via a TLAB even before it
490 // has added itself to the threads list at vm boot-up.
491 JavaThreadIteratorWithHandle jtiwh;
492 assert(jtiwh.length() > 0,
493 "Attempt to fill tlabs before main thread has been added"
494 " to threads list is doomed to failure!");
495 BarrierSet *bs = BarrierSet::barrier_set();
496 for (; JavaThread *thread = jtiwh.next(); ) {
497 if (UseTLAB) {
498 thread->tlab().make_parsable(retire_tlabs);
499 }
500 bs->make_parsable(thread);
501 }
502 }
503
504 void CollectedHeap::resize_all_tlabs() {
505 assert(SafepointSynchronize::is_at_safepoint() || !is_init_completed(),
506 "Should only resize tlabs at safepoint");
507
508 if (UseTLAB && ResizeTLAB) {
509 for (JavaThreadIteratorWithHandle jtiwh; JavaThread *thread = jtiwh.next(); ) {
510 thread->tlab().resize();
511 }
512 }
513 }
514
515 void CollectedHeap::full_gc_dump(GCTimer* timer, bool before) {
516 assert(timer != NULL, "timer is null");
517 if ((HeapDumpBeforeFullGC && before) || (HeapDumpAfterFullGC && !before)) {
518 GCTraceTime(Info, gc) tm(before ? "Heap Dump (before full gc)" : "Heap Dump (after full gc)", timer);
519 HeapDumper::dump_heap();
520 }
521
522 LogTarget(Trace, gc, classhisto) lt;
523 if (lt.is_enabled()) {
524 GCTraceTime(Trace, gc, classhisto) tm(before ? "Class Histogram (before full gc)" : "Class Histogram (after full gc)", timer);
525 ResourceMark rm;
526 LogStream ls(lt);
527 VM_GC_HeapInspection inspector(&ls, false /* ! full gc */);
528 inspector.doit();
529 }
530 }
531
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