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From: Tejun Heo <tj@kernel.org>
To: Aleksa Sarai <asarai@suse.de>
Cc: Jonathan Corbet <corbet@lwn.net>, Li Zefan <lizefan@huawei.com>,
	Johannes Weiner <hannes@cmpxchg.org>, Kenny Yu <kennyyu@fb.com>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	cgroups@vger.kernel.org
Subject: Re: [PATCH 1/2] cgroup: pids: show number of failed forks since limit reset
Date: Fri, 24 Jun 2016 11:31:51 -0400	[thread overview]
Message-ID: <20160624153151.GQ3262@mtj.duckdns.org> (raw)
In-Reply-To: <20160624030049.13341-2-asarai@suse.de>

Hello,

On Fri, Jun 24, 2016 at 01:00:48PM +1000, Aleksa Sarai wrote:
> This allows users to dynamically adjust their limits based on how many
> failed forks happened since they last reset their limits, otherwise they
> would have to track (in a racy way) how many limit failures there were
> since the last limit change manually. In addition, we log the first
> failure since the limit was reset (which was the original semantics of
> the patchset).

Isn't that trivially achievable by reading the counter and then
calculating the diff?  I don't think it matters all that much whether
the log message is printed once per cgroup or per config-change.  It's
just a hint for the admin to avoid setting her off on a wild goose
chase.

Thanks.

-- 
tejun

  parent reply	other threads:[~2016-06-24 15:31 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-24  3:00 [PATCH 0/2] cgroup: pids: extend pids.events Aleksa Sarai
2016-06-24  3:00 ` [PATCH 1/2] cgroup: pids: show number of failed forks since limit reset Aleksa Sarai
2016-06-24  3:00   ` [PATCH 2/2] docs: cgroup/pids: update documentation to include pids.events Aleksa Sarai
2016-06-24 15:31   ` Tejun Heo [this message]
2016-06-26 11:34     ` [PATCH 1/2] cgroup: pids: show number of failed forks since limit reset Aleksa Sarai
2016-06-26 23:42       ` Tejun Heo
2016-06-29  5:10         ` Aleksa Sarai
2016-06-29 15:33           ` Tejun Heo

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