Merge branch 'sched-docs-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / Documentation / numastat.txt
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2 Numa policy hit/miss statistics
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4 /sys/devices/system/node/node*/numastat
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6 All units are pages. Hugepages have separate counters.
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8 numa_hit A process wanted to allocate memory from this node,
9 and succeeded.
10 numa_miss A process wanted to allocate memory from this node,
11 but ended up with memory from another.
12 numa_foreign A process wanted to allocate on another node,
13 but ended up with memory from this one.
14 local_node A process ran on this node and got memory from it.
15 other_node A process ran on this node and got memory from another node.
16 interleave_hit Interleaving wanted to allocate from this node
17 and succeeded.
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19 For easier reading you can use the numastat utility from the numactl package
20 (ftp://ftp.suse.com/pub/people/ak/numa/numactl*). Note that it only works
21 well right now on machines with a small number of CPUs.
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