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

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Date:	Wed, 17 Nov 2010 15:59:05 -0500
From:	James Cloos <cloos@...loos.com>
To:	Lennart Poettering <mzxreary@...inter.de>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	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

>>>>> "LP" == Lennart Poettering <mzxreary@...inter.de> writes:

LP> Heck, the patch wouldn't even have any effect on my machine (and I am
LP> hacker), because I tend to run my builds from within emacs. And since
LP> emacs has no TTY (since it is a X11/gtk build) it wouldn't be in its own
LP> scheduling group.

M-x compile uses a pty to talk to its sub-process, so if ptys get their
own cgroup then a compile w/in emacs will, too.

(Try using tty as the command M-x compile should run to confirm.)

-JimC
-- 
James Cloos <cloos@...loos.com>         OpenPGP: 1024D/ED7DAEA6
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