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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 | |
28 |