src/hotspot/share/runtime/thread.cpp

rev 48920 : [backport] Use PLAB for evacuations instead of TLAB

*** 306,315 ****
--- 306,316 ----
             "bug in forced alignment of thread objects");
    }
  #endif // ASSERT
  
    _oom_during_evac = 0;
+   _gclab = NULL;
  }
  
  void Thread::set_oom_during_evac(bool oom) {
    if (oom) {
      _oom_during_evac |= 1;
*** 2042,2053 ****
    // card marks have been flushed (above) so that any entries that are
    // added to the thread's dirty card queue as a result are not lost.
    if (UseG1GC || (UseShenandoahGC && (ShenandoahSATBBarrier || ShenandoahKeepAliveBarrier || ShenandoahStoreValEnqueueBarrier))) {
      flush_barrier_queues();
    }
!   if (UseShenandoahGC && UseTLAB && gclab().is_initialized()) {
!     gclab().make_parsable(true);
    }
  #endif // INCLUDE_ALL_GCS
  
    log_info(os, thread)("JavaThread %s (tid: " UINTX_FORMAT ").",
      exit_type == JavaThread::normal_exit ? "exiting" : "detaching",
--- 2043,2054 ----
    // card marks have been flushed (above) so that any entries that are
    // added to the thread's dirty card queue as a result are not lost.
    if (UseG1GC || (UseShenandoahGC && (ShenandoahSATBBarrier || ShenandoahKeepAliveBarrier || ShenandoahStoreValEnqueueBarrier))) {
      flush_barrier_queues();
    }
!   if (UseShenandoahGC && gclab() != NULL) {
!     ShenandoahHeap::heap()->finalize_mutator_gclab(this);
    }
  #endif // INCLUDE_ALL_GCS
  
    log_info(os, thread)("JavaThread %s (tid: " UINTX_FORMAT ").",
      exit_type == JavaThread::normal_exit ? "exiting" : "detaching",
*** 2103,2112 ****
--- 2104,2117 ----
    // The dirty card queue should have been constructed with its
    // active field set to true.
    assert(dirty_queue.is_active(), "dirty card queue should be active");
  
    _gc_state = _gc_state_global;
+ 
+   if (UseShenandoahGC) {
+     ShenandoahHeap::heap()->initialize_gclab(this);
+   }
  }
  #endif // INCLUDE_ALL_GCS
  
  void JavaThread::cleanup_failed_attach_current_thread() {
    if (active_handles() != NULL) {
*** 2130,2141 ****
  
  #if INCLUDE_ALL_GCS
    if (UseG1GC || (UseShenandoahGC && (ShenandoahSATBBarrier || ShenandoahKeepAliveBarrier || ShenandoahStoreValEnqueueBarrier))) {
      flush_barrier_queues();
    }
!   if (UseShenandoahGC && UseTLAB && gclab().is_initialized()) {
!     gclab().make_parsable(true);
    }
  #endif // INCLUDE_ALL_GCS
  
    Threads::remove(this);
    this->smr_delete();
--- 2135,2146 ----
  
  #if INCLUDE_ALL_GCS
    if (UseG1GC || (UseShenandoahGC && (ShenandoahSATBBarrier || ShenandoahKeepAliveBarrier || ShenandoahStoreValEnqueueBarrier))) {
      flush_barrier_queues();
    }
!   if (UseShenandoahGC && gclab() != NULL) {
!     gclab()->flush_and_retire_stats(ShenandoahHeap::heap()->mutator_gclab_stats());
    }
  #endif // INCLUDE_ALL_GCS
  
    Threads::remove(this);
    this->smr_delete();