Documentation/numastat.txt

   1 ===============================
   2 Numa policy hit/miss statistics
   3 ===============================
   4
   5 /sys/devices/system/node/node*/numastat
   6
   7 All units are pages. Hugepages have separate counters.
   8
   9 =============== ============================================================
  10 numa_hit        A process wanted to allocate memory from this node,
  11                 and succeeded.
  12
  13 numa_miss       A process wanted to allocate memory from another node,
  14                 but ended up with memory from this node.
  15
  16 numa_foreign    A process wanted to allocate on this node,
  17                 but ended up with memory from another one.
  18
  19 local_node      A process ran on this node and got memory from it.
  20
  21 other_node      A process ran on this node and got memory from another node.
  22
  23 interleave_hit  Interleaving wanted to allocate from this node
  24                 and succeeded.
  25 =============== ============================================================
  26
  27 For easier reading you can use the numastat utility from the numactl package
  28 (http://oss.sgi.com/projects/libnuma/). Note that it only works
  29 well right now on machines with a small number of CPUs.
  30