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From: brookxu <brookxu.cn@gmail.com>
To: "Tejun Heo" <tj@kernel.org>, "Michal Koutný" <mkoutny@suse.com>
Cc: lizefan.x@bytedance.com, hannes@cmpxchg.org, vipinsh@google.com,
	linux-kernel@vger.kernel.org, cgroups@vger.kernel.org
Subject: Re: [PATCH v2] misc_cgroup: use a counter to count the number of failures
Date: Thu, 26 Aug 2021 09:34:45 +0800	[thread overview]
Message-ID: <4ed67493-e595-e002-69f9-1f53662ba189@gmail.com> (raw)
In-Reply-To: <YSVDwc/1sEmXdOK9@slm.duckdns.org>



Tejun Heo wrote on 2021/8/25 3:08:
> 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@suse.com/#t

The core logic of pids cgroup and misc cgroup is similar. Is it possible for
us to merge pids cgroup into misc cgroup?

> 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.
> 

  parent reply	other threads:[~2021-08-26  1:34 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-14  0:15 brookxu
2021-08-14  1:16 ` Vipin Sharma
2021-08-24 16:44 ` Michal Koutný
2021-08-24 19:08   ` Tejun Heo
2021-08-25  6:50     ` brookxu
2021-08-26  1:34     ` brookxu [this message]
2021-08-26 11:29       ` Michal Koutný
2021-09-08  5:29         ` brookxu
2021-09-09 15:01           ` Michal Koutný

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