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From: Tejun Heo <tj@kernel.org>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Glauber Costa <glommer@parallels.com>,
	linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
	linux-mm@kvack.org, davej@redhat.com, ben@decadent.org.uk,
	pjt@google.com, lennart@poettering.net, kay.sievers@vrfy.org
Subject: Re: [RFC 0/5] forced comounts for cgroups.
Date: Wed, 5 Sep 2012 02:11:40 -0700	[thread overview]
Message-ID: <20120905091140.GH3195@dhcp-172-17-108-109.mtv.corp.google.com> (raw)
In-Reply-To: <1346835993.2600.9.camel@twins>

Hello, Peter.

On Wed, Sep 05, 2012 at 11:06:33AM +0200, Peter Zijlstra wrote:
> *confused* I always thought that was exactly what you meant with unified
> hierarchy.

No, I never counted out differing granularity.

> Doing all this runtime is just going to make the mess even bigger,
> because now we have to deal with even more stupid cases.
> 
> So either we go and try to contain this mess as proposed by Glauber or
> we go delete controllers.. I've had it with this crap.

If cpuacct can really go away, that's great, but I don't think the
problem at hand is unsolvable, so let's not jump it.  cpuacct and cpu
aren't the onlfy problem cases after all.  We need to solve it for
other controllers too.

Thanks.

-- 
tejun

  parent reply	other threads:[~2012-09-05  9:11 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-04 14:18 Glauber Costa
2012-09-04 14:18 ` [RFC 1/5] cgroup: allow some comounts to be forced Glauber Costa
2012-09-04 14:18 ` [RFC 2/5] sched: adjust exec_clock to use it as cpu usage metric Glauber Costa
2012-09-04 14:18 ` [RFC 3/5] sched: do not call cpuacct_charge when cpu and cpuacct are comounted Glauber Costa
2012-09-04 14:18 ` [RFC 4/5] cpuacct: do not gather cpuacct statistics when not mounted Glauber Costa
2012-09-04 14:18 ` [RFC 5/5] sched: add cpusets to comounts list Glauber Costa
2012-09-04 21:46 ` [RFC 0/5] forced comounts for cgroups Tejun Heo
2012-09-05  8:03   ` Glauber Costa
2012-09-05  8:14     ` Tejun Heo
2012-09-05  8:17       ` Glauber Costa
2012-09-05  8:29         ` Tejun Heo
2012-09-05  8:35           ` Glauber Costa
2012-09-05  8:47             ` Tejun Heo
2012-09-05  8:55               ` Glauber Costa
2012-09-05  9:07                 ` Tejun Heo
2012-09-05  9:06                   ` Glauber Costa
2012-09-05  9:14                     ` Tejun Heo
2012-09-05  9:06               ` Peter Zijlstra
2012-09-05  9:07                 ` Peter Zijlstra
2012-09-05  9:22                   ` Tejun Heo
2012-09-05  9:11                 ` Tejun Heo [this message]
2012-09-05  9:12                   ` Glauber Costa
2012-09-05  9:19                     ` Tejun Heo
2012-09-05  9:30                       ` Glauber Costa
2012-09-05  9:26                     ` Peter Zijlstra
2012-09-05  9:31                       ` Glauber Costa
2012-09-05  9:45                         ` Tejun Heo
2012-09-05  9:48                           ` Glauber Costa
2012-09-05  9:56                             ` Tejun Heo
2012-09-05 10:20                         ` Peter Zijlstra
2012-09-06 20:38                           ` Tejun Heo
2012-09-06 22:39                             ` Glauber Costa
2012-09-06 22:45                               ` Tejun Heo
2012-09-05  9:32                 ` Tejun Heo
2012-09-05 10:04                   ` Peter Zijlstra
2012-09-06 20:46                     ` Tejun Heo
2012-09-06 21:11                       ` Paul Turner
2012-09-06 22:36                         ` Glauber Costa
2012-09-08 13:36                         ` Dhaval Giani

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