linux-kernel - Re: [RFC/RFT PATCH v3] sched: automated per tty task groups

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Message-ID: <20101117002159.GA3184@tango.0pointer.de>
Date:	Wed, 17 Nov 2010 01:21:59 +0100
From:	Lennart Poettering <mzxreary@...inter.de>
To:	Ted Ts'o <tytso@....edu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Dhaval Giani <dhaval.giani@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Mike Galbraith <efault@....de>,
	Vivek Goyal <vgoyal@...hat.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>
Subject: Re: [RFC/RFT PATCH v3] sched: automated per tty task groups

On Tue, 16.11.10 18:39, Ted Ts'o (tytso@....edu) wrote:

> 
> On Tue, Nov 16, 2010 at 10:19:09PM +0100, Lennart Poettering wrote:
> > Well, my plan was actually to by default put everything into its own
> > group, and then let users opt-out of that for specific processes, if the
> > want to.
> 
> How many users are likely to do this, though?
> 
> I think you really want to make this be something which the
> application can specify by default that they should start in their own
> cgroup.  One idea might be to it to the applications menu entry:
> 
> http://standards.freedesktop.org/desktop-entry-spec/latest/
> 
> ... so there would be a new key value pair, "start_in_cgroup", that
> would allow the user to start an application in their own cgroup.  It
> would be up to the desktop launcher to honor that if it was present.

This is pretty much in line with what I want to do, except I want
opt-out, not opt-in behaviour here.

Lennart

-- 
Lennart Poettering - Red Hat, Inc.
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