31 lines
1.0 KiB
Plaintext
31 lines
1.0 KiB
Plaintext
===============================
|
|
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 another node,
|
|
but ended up with memory from this node.
|
|
|
|
numa_foreign A process wanted to allocate on this node,
|
|
but ended up with memory from another 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
|
|
(http://oss.sgi.com/projects/libnuma/). Note that it only works
|
|
well right now on machines with a small number of CPUs.
|
|
|