Exemplo n.º 1
0
PSHeapSummary ParallelScavengeHeap::create_ps_heap_summary() {
  PSOldGen* old = old_gen();
  HeapWord* old_committed_end = (HeapWord*)old->virtual_space()->committed_high_addr();
  VirtualSpaceSummary old_summary(old->reserved().start(), old_committed_end, old->reserved().end());
  SpaceSummary old_space(old->reserved().start(), old_committed_end, old->used_in_bytes());

  PSYoungGen* young = young_gen();
  VirtualSpaceSummary young_summary(young->reserved().start(),
    (HeapWord*)young->virtual_space()->committed_high_addr(), young->reserved().end());

  MutableSpace* eden = young_gen()->eden_space();
  SpaceSummary eden_space(eden->bottom(), eden->end(), eden->used_in_bytes());

  MutableSpace* from = young_gen()->from_space();
  SpaceSummary from_space(from->bottom(), from->end(), from->used_in_bytes());

  MutableSpace* to = young_gen()->to_space();
  SpaceSummary to_space(to->bottom(), to->end(), to->used_in_bytes());

  VirtualSpaceSummary heap_summary = create_heap_space_summary();
  return PSHeapSummary(heap_summary, used(), old_summary, old_space, young_summary, eden_space, from_space, to_space);
}
 inline jlong take_sample() {
   return _m->used_in_bytes();
 }
 inline void update_used() {
   _used->set_value(_object_space->used_in_bytes());
 }