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There are lots of documents that belong to the admin-guide but are on random places (most under Documentation root dir). Move them to the admin guide. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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31 lines
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===============================
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Numa policy hit/miss statistics
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===============================
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/sys/devices/system/node/node*/numastat
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All units are pages. Hugepages have separate counters.
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=============== ============================================================
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numa_hit A process wanted to allocate memory from this node,
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and succeeded.
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numa_miss A process wanted to allocate memory from another node,
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but ended up with memory from this node.
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numa_foreign A process wanted to allocate on this node,
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but ended up with memory from another one.
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local_node A process ran on this node and got memory from it.
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other_node A process ran on this node and got memory from another node.
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interleave_hit Interleaving wanted to allocate from this node
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and succeeded.
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=============== ============================================================
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For easier reading you can use the numastat utility from the numactl package
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(http://oss.sgi.com/projects/libnuma/). Note that it only works
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well right now on machines with a small number of CPUs.
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