swh:1:snp:c2847dfd741eae21606027cf29250d1ebcd63fb4
Raw File
Tip revision: 39dae59d66acd86d1de24294bd2f343fd5e7a625 authored by Linus Torvalds on 05 November 2017, 21:05:14 UTC
Linux 4.14-rc8
Tip revision: 39dae59
numastat.txt
===============================
Numa policy hit/miss statistics
===============================

/sys/devices/system/node/node*/numastat

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.
=============== ============================================================

For easier reading you can use the numastat utility from the numactl package
(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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