From fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Wed, 23 Aug 2017 14:45:25 -0500 Subject: Initial import of modified Linux 2.6.28 tree Original upstream URL: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y --- Documentation/numastat.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/numastat.txt (limited to 'Documentation/numastat.txt') diff --git a/Documentation/numastat.txt b/Documentation/numastat.txt new file mode 100644 index 0000000..80133ac --- /dev/null +++ b/Documentation/numastat.txt @@ -0,0 +1,22 @@ + +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 this node, + but ended up with memory from another. +numa_foreign A process wanted to allocate on another node, + but ended up with memory from this 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 +well right now on machines with a small number of CPUs. + -- cgit v1.1