Re: [PATCH v3 1/2] cgroup: Show # of subsystem CSSes in cgroup.stat

Waiman Long
2024-07-11T18:51:52Z

On 7/11/24 14:44, Tejun Heo wrote:
> Hello,
>
> On Thu, Jul 11, 2024 at 01:39:38PM -0400, Waiman Long wrote:
>> On 7/11/24 13:18, Tejun Heo wrote:
> ...
>> Currently, I use the for_each_css() macro for iteration. If you mean
>> displaying all the possible cgroup subsystems even if they are not enabled
>> for the current cgroup, I will have to manually do the iteration.
> Just wrapping it with for_each_subsys() should do, no? for_each_css() won't
> iterate anything if css doesn't exist for the cgroup.

OK, I wasn't sure if you were asking to list all the possible cgroup v2
cgroup subsystems even if they weren't enabled in the current cgroup.
Apparently, that is the case. I prefer it that way too.

Thanks,
Longman