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r: 291765
b: refs/heads/master
c: 36519c9
h: refs/heads/master
i:
  291763: db677bc
v: v3
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Geunsik Lim authored and Jiri Kosina committed Feb 28, 2012
1 parent 8ab450c commit fe2281b
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2 changes: 1 addition & 1 deletion [refs]
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refs/heads/master: 0973dac1a1cc7b85af5ecdd8458e942905bfd89e
refs/heads/master: 36519c9eee16bd497e72837658dcee9cbec20b98
27 changes: 16 additions & 11 deletions trunk/Documentation/numastat.txt
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Expand Up @@ -5,18 +5,23 @@ Numa policy hit/miss statistics

All units are pages. Hugepages have separate counters.

numa_hit A process wanted to allocate memory from this node,
and succeeded.
numa_miss A process wanted to allocate memory from another node,
but ended up with memory from this node.
numa_foreign A process wanted to allocate on this node,
but ended up with memory from another one.
local_node A process ran on this node and got memory from it.
other_node A process ran on this node and got memory from another node.
interleave_hit Interleaving wanted to allocate from this node
and succeeded.
numa_hit A process wanted to allocate memory from this node,
and succeeded.

numa_miss A process wanted to allocate memory from another node,
but ended up with memory from this node.

numa_foreign A process wanted to allocate on this node,
but ended up with memory from another one.

local_node A process ran on this node and got memory from it.

other_node A process ran on this node and got memory from another node.

interleave_hit Interleaving wanted to allocate from this node
and succeeded.

For easier reading you can use the numastat utility from the numactl package
(ftp://ftp.suse.com/pub/people/ak/numa/numactl*). Note that it only works
(http://oss.sgi.com/projects/libnuma/). Note that it only works
well right now on machines with a small number of CPUs.

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