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docs: cgroup-v1: Clarify that domain levels are system-specific 

JIRA: https://issues.redhat.com/browse/RHEL-48226

commit 0f1c74befa656305ecc85c954dc31f84c1cc26e1
Author: Vitalii Bursov <vitaly@bursov.com>
Date:   Tue Apr 30 18:05:25 2024 +0300

    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

Signed-off-by: Phil Auld <pauld@redhat.com>
This commit is contained in:
Phil Auld 2024-07-15 09:51:53 -04:00
parent fbd1479673
commit e1235d6853
1 changed files with 6 additions and 1 deletions
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7
Documentation/admin-guide/cgroup-v1/cpusets.rst
View File

@ -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.