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| author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-17 02:20:36 +0400 |
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| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-17 02:20:36 +0400 |
| commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
| tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /Documentation/numastat.txt | |
| download | linux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz | |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'Documentation/numastat.txt')
| -rw-r--r-- | Documentation/numastat.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/numastat.txt b/Documentation/numastat.txt new file mode 100644 index 000000000000..80133ace1eb2 --- /dev/null +++ b/Documentation/numastat.txt @@ -0,0 +1,22 @@ + +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 this node, + but ended up with memory from another. +numa_foreign A process wanted to allocate on another node, + but ended up with memory from this 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 +(ftp://ftp.suse.com/pub/people/ak/numa/numactl*). Note that it only works +well right now on machines with a small number of CPUs. + |