https://github.com/torvalds/linux
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Tip revision: 1291a0d5049dbc06baaaf66a9ff3f53db493b19b authored by Linus Torvalds on 18 December 2017, 02:59:59 UTC
Linux 4.15-rc4
Tip revision: 1291a0d
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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