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| author | Vitalii Bursov <vitaly@bursov.com> | 2024-04-30 18:05:25 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2024-05-17 10:48:25 +0300 |
| commit | 0f1c74befa656305ecc85c954dc31f84c1cc26e1 (patch) | |
| tree | bba450500393ff7daa492cc5d936fd39488b28c7 | |
| parent | 287372fa39f579a61e17b000aa74c8418d230528 (diff) | |
| download | linux-0f1c74befa656305ecc85c954dc31f84c1cc26e1.tar.xz | |
docs: cgroup-v1: Clarify that domain levels are system-specific
Add a clarification that domain levels are system-specific
and where to check for system details.
Signed-off-by: Vitalii Bursov <vitaly@bursov.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Valentin Schneider <vschneid@redhat.com>
Acked-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/42b177a2e897cdf880caf9c2025f5b609e820334.1714488502.git.vitaly@bursov.com
| -rw-r--r-- | Documentation/admin-guide/cgroup-v1/cpusets.rst | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/admin-guide/cgroup-v1/cpusets.rst b/Documentation/admin-guide/cgroup-v1/cpusets.rst index 7d3415eea05d..f401af5e2f09 100644 --- a/Documentation/admin-guide/cgroup-v1/cpusets.rst +++ b/Documentation/admin-guide/cgroup-v1/cpusets.rst @@ -568,7 +568,7 @@ on the next tick. For some applications in special situation, waiting The 'cpuset.sched_relax_domain_level' file allows you to request changing this searching range as you like. This file takes int value which -indicates size of searching range in levels ideally as follows, +indicates size of searching range in levels approximately as follows, otherwise initial value -1 that indicates the cpuset has no request. ====== =========================================================== @@ -581,6 +581,11 @@ otherwise initial value -1 that indicates the cpuset has no request. 5 search system wide [on NUMA system] ====== =========================================================== +Not all levels can be present and values can change depending on the +system architecture and kernel configuration. Check +/sys/kernel/debug/sched/domains/cpu*/domain*/ for system-specific +details. + The system default is architecture dependent. The system default can be changed using the relax_domain_level= boot parameter. |