Re: [PATCH v2] misc_cgroup: use a counter to count the number of failures

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Hello,

On Tue, Aug 24, 2021 at 06:44:23PM +0200, Michal Koutný wrote:
> However, the non-hierarchical failcnt interface looks like v1ism to me
> (I think new features should come with v2 first in mind).
> What about exposing this in misc.events file with max.$res_name entries? 

Ah yeah, good point. misc.events sounds like a good spot to put these.

> Or if the hierarchical reporting is unnecessary now, there can be just
> misc.events.local for starters.

I'd prefer to stick with hierarchical counting as the first step at least.

> (That reminds me the forgotten pids.events[.local] rework [1], oops.)
> 
> https://lore.kernel.org/lkml/20191128172612.10259-1-mkoutny@xxxxxxxx/#t

I think both counters are useful - the number of failures due to this type
of limit in this subhierarchy, and the number of failures caused by this
particular limit in this subhierarchy. It's a pretty subtle difference to
encapsulate in a counter name tho.

Thanks.

-- 
tejun



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