Re: [PATCH v15 12/12] cpuset: Expose cpuset.cpus.subpartitions with cgroup_debug

From: Waiman Long
Date: Thu Nov 08 2018 - 14:00:02 EST


On 11/08/2018 10:46 AM, Peter Zijlstra wrote:
> On Thu, Nov 08, 2018 at 10:08:46AM -0500, Waiman Long wrote:
>> For debugging purpose, it will be useful to expose the content of the
>> subparts_cpus as a read-only file to see if the code work correctly.
>> However, subparts_cpus will not be used at all in most use cases. So
>> adding a new cpuset file that clutters the cgroup directory may not be
>> desirable. This is now being done by using the hidden "cgroup_debug"
>> kernel command line option to expose a new "cpuset.cpus.subpartitions"
>> file.
> One thought I had; would it make sense to make these debug files hidden
> ("." prefix) ?


These debug files will only appear when the cgroup_debug command line
option is used. So I don't think we really need to add an extra "."
prefix as it will break the naming convention.

Cheers,
Longman