ia64/linux-2.6.18-xen.hg

annotate Documentation/numastat.txt @ 524:7f8b544237bf

netfront: Allow netfront in domain 0.

This is useful if your physical network device is in a utility domain.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Tue Apr 15 15:18:58 2008 +0100 (2008-04-15)
parents 831230e53067
children
rev   line source
ian@0 1
ian@0 2 Numa policy hit/miss statistics
ian@0 3
ian@0 4 /sys/devices/system/node/node*/numastat
ian@0 5
ian@0 6 All units are pages. Hugepages have separate counters.
ian@0 7
ian@0 8 numa_hit A process wanted to allocate memory from this node,
ian@0 9 and succeeded.
ian@0 10 numa_miss A process wanted to allocate memory from this node,
ian@0 11 but ended up with memory from another.
ian@0 12 numa_foreign A process wanted to allocate on another node,
ian@0 13 but ended up with memory from this one.
ian@0 14 local_node A process ran on this node and got memory from it.
ian@0 15 other_node A process ran on this node and got memory from another node.
ian@0 16 interleave_hit Interleaving wanted to allocate from this node
ian@0 17 and succeeded.
ian@0 18
ian@0 19 For easier reading you can use the numastat utility from the numactl package
ian@0 20 (ftp://ftp.suse.com/pub/people/ak/numa/numactl*). Note that it only works
ian@0 21 well right now on machines with a small number of CPUs.
ian@0 22