35 // Total malloc'd memory amount
  36 size_t MallocMemorySnapshot::total() const {
  37   size_t amount = 0;
  38   for (int index = 0; index < mt_number_of_types; index ++) {
  39     amount += _malloc[index].malloc_size();
  40   }
  41   amount += _tracking_header.size() + total_arena();
  42   return amount;
  43 }
  44 
  45 // Total malloc'd memory used by arenas
  46 size_t MallocMemorySnapshot::total_arena() const {
  47   size_t amount = 0;
  48   for (int index = 0; index < mt_number_of_types; index ++) {
  49     amount += _malloc[index].arena_size();
  50   }
  51   return amount;
  52 }
  53 
  54 // Make adjustment by subtracting chunks used by arenas
  55 // from total chunks to get total free chunck size
  56 void MallocMemorySnapshot::make_adjustment() {
  57   size_t arena_size = total_arena();
  58   int chunk_idx = NMTUtil::flag_to_index(mtChunk);
  59   _malloc[chunk_idx].record_free(arena_size);
  60 }
  61 
  62 
  63 void MallocMemorySummary::initialize() {
  64   assert(sizeof(_snapshot) >= sizeof(MallocMemorySnapshot), "Sanity Check");
  65   // Uses placement new operator to initialize static area.
  66   ::new ((void*)_snapshot)MallocMemorySnapshot();
  67 }
  68 
  69 void MallocHeader::release() const {
  70   // Tracking already shutdown, no housekeeping is needed anymore
  71   if (MemTracker::tracking_level() <= NMT_minimal) return;
  72 
  73   MallocMemorySummary::record_free(size(), flags());
  74   MallocMemorySummary::record_free_malloc_header(sizeof(MallocHeader));
  75   if (MemTracker::tracking_level() == NMT_detail) {

  35 // Total malloc'd memory amount
  36 size_t MallocMemorySnapshot::total() const {
  37   size_t amount = 0;
  38   for (int index = 0; index < mt_number_of_types; index ++) {
  39     amount += _malloc[index].malloc_size();
  40   }
  41   amount += _tracking_header.size() + total_arena();
  42   return amount;
  43 }
  44 
  45 // Total malloc'd memory used by arenas
  46 size_t MallocMemorySnapshot::total_arena() const {
  47   size_t amount = 0;
  48   for (int index = 0; index < mt_number_of_types; index ++) {
  49     amount += _malloc[index].arena_size();
  50   }
  51   return amount;
  52 }
  53 
  54 // Make adjustment by subtracting chunks used by arenas
  55 // from total chunks to get total free chunk size
  56 void MallocMemorySnapshot::make_adjustment() {
  57   size_t arena_size = total_arena();
  58   int chunk_idx = NMTUtil::flag_to_index(mtChunk);
  59   _malloc[chunk_idx].record_free(arena_size);
  60 }
  61 
  62 
  63 void MallocMemorySummary::initialize() {
  64   assert(sizeof(_snapshot) >= sizeof(MallocMemorySnapshot), "Sanity Check");
  65   // Uses placement new operator to initialize static area.
  66   ::new ((void*)_snapshot)MallocMemorySnapshot();
  67 }
  68 
  69 void MallocHeader::release() const {
  70   // Tracking already shutdown, no housekeeping is needed anymore
  71   if (MemTracker::tracking_level() <= NMT_minimal) return;
  72 
  73   MallocMemorySummary::record_free(size(), flags());
  74   MallocMemorySummary::record_free_malloc_header(sizeof(MallocHeader));
  75   if (MemTracker::tracking_level() == NMT_detail) {