Re: [PATCH] cgroup/cpuset: Expose cpuset.cpus.isolated

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Hello,

On Mon, Nov 27, 2023 at 02:51:05PM -0500, Waiman Long wrote:
> The root-only cpuset.cpus.isolated control file shows the current set
> of isolated CPUs in isolated partitions. This control file is currently
> exposed only with the cgroup_debug boot command line option which also
> adds the ".__DEBUG__." prefix. This is actually a useful control file if
> users want to find out which CPUs are currently in an isolated state by
> the cpuset controller. Remove CFTYPE_DEBUG flag for this control file and
> make it available by default without any prefix.
> 
> The test_cpuset_prs.sh test script and the cgroup-v2.rst documentation
> file are also updated accordingly. Minor code change is also made in
> test_cpuset_prs.sh to avoid false test failure when running on debug
> kernel.

Applied to cgroup/for-6.8 but I wonder whether this would be useful in
non-root cgroups too. e.g. In a delegated partition which is namespaced,
wouldn't this be useful too?

Thanks.

-- 
tejun




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