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Linux/Documentation/numastat.txt

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

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