Messages in this thread Patch in this message | | | From | Vitalii Bursov <> | Subject | [PATCH v3 3/3] docs: cgroup-v1: clarify that domain levels are system-specific | Date | Wed, 3 Apr 2024 16:28:06 +0300 |
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Add a clarification that domain levels are system-specific and where to check for system details.
Signed-off-by: Vitalii Bursov <vitaly@bursov.com> --- Documentation/admin-guide/cgroup-v1/cpusets.rst | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
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. -- 2.20.1
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