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