Merge tag 'v3.10.55' into update
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / Documentation / numastat.txt
1
2 Numa policy hit/miss statistics
3
4 /sys/devices/system/node/node*/numastat
5
6 All units are pages. Hugepages have separate counters.
7
8 numa_hit A process wanted to allocate memory from this node,
9 and succeeded.
10
11 numa_miss A process wanted to allocate memory from another node,
12 but ended up with memory from this node.
13
14 numa_foreign A process wanted to allocate on this node,
15 but ended up with memory from another one.
16
17 local_node A process ran on this node and got memory from it.
18
19 other_node A process ran on this node and got memory from another node.
20
21 interleave_hit Interleaving wanted to allocate from this node
22 and succeeded.
23
24 For easier reading you can use the numastat utility from the numactl package
25 (http://oss.sgi.com/projects/libnuma/). Note that it only works
26 well right now on machines with a small number of CPUs.
27