| | 1 | =============================== |
| | 2 | Numa policy hit/miss statistics |
| | 3 | =============================== |
| | 4 | |
| | 5 | /sys/devices/system/node/node*/numastat |
| | 6 | |
| | 7 | All units are pages. Hugepages have separate counters. |
| | 8 | |
| | 9 | =============== ============================================================ |
| | 10 | numa_hit A process wanted to allocate memory from this node, |
| | 11 | and succeeded. |
| | 12 | |
| | 13 | numa_miss A process wanted to allocate memory from another node, |
| | 14 | but ended up with memory from this node. |
| | 15 | |
| | 16 | numa_foreign A process wanted to allocate on this node, |
| | 17 | but ended up with memory from another one. |
| | 18 | |
| | 19 | local_node A process ran on this node and got memory from it. |
| | 20 | |
| | 21 | other_node A process ran on this node and got memory from another node. |
| | 22 | |
| | 23 | interleave_hit Interleaving wanted to allocate from this node |
| | 24 | and succeeded. |
| | 25 | =============== ============================================================ |
| | 26 | |
| | 27 | For easier reading you can use the numastat utility from the numactl package |
| | 28 | (http://oss.sgi.com/projects/libnuma/). Note that it only works |
| | 29 | well right now on machines with a small number of CPUs. |
| | 30 | |
projects / mirror_ubuntu-hirsute-kernel.git / blame_incremental