src/share/vm/gc_implementation/g1/g1Allocator.cpp

rev 8152 : secret commit PLAB waste

*** 117,127 ****
                                                          size_t word_sz,
                                                          AllocationContext_t context) {
    size_t gclab_word_size = _g1h->desired_plab_sz(dest);
    if (word_sz * 100 < gclab_word_size * ParallelGCBufferWastePct) {
      G1PLAB* alloc_buf = alloc_buffer(dest, context);
-     add_to_alloc_buffer_waste(alloc_buf->words_remaining());
      alloc_buf->retire();
  
      HeapWord* buf = _g1h->par_allocate_during_gc(dest, gclab_word_size, context);
      if (buf == NULL) {
        return NULL; // Let caller handle allocation failure.
--- 117,126 ----
*** 151,160 ****
  
  void G1DefaultParGCAllocator::retire_alloc_buffers() {
    for (uint state = 0; state < InCSetState::Num; state++) {
      G1PLAB* const buf = _alloc_buffers[state];
      if (buf != NULL) {
-       add_to_alloc_buffer_waste(buf->words_remaining());
        buf->flush_and_retire_stats(_g1h->alloc_buffer_stats(state));
      }
    }
  }
--- 150,170 ----
  
  void G1DefaultParGCAllocator::retire_alloc_buffers() {
    for (uint state = 0; state < InCSetState::Num; state++) {
      G1PLAB* const buf = _alloc_buffers[state];
      if (buf != NULL) {
        buf->flush_and_retire_stats(_g1h->alloc_buffer_stats(state));
      }
    }
  }
+ 
+ void G1DefaultParGCAllocator::waste(size_t& wasted, size_t& undo_wasted) {
+   wasted = 0;
+   undo_wasted = 0;
+   for (uint state = 0; state < InCSetState::Num; state++) {
+     G1PLAB * const buf = _alloc_buffers[state];
+     if (buf != NULL) {
+       wasted += buf->waste();
+       undo_wasted += buf->undo_waste();
+     }
+   }
+ }