linux-kernel - Re: [PATCH v4] sched: automated per session task groups

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Message-Id: <1291103647.24405.5.camel@marge.simson.net>
Date:	Tue, 30 Nov 2010 08:54:07 +0100
From:	Mike Galbraith <efault@....de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, Paul Turner <pjt@...gle.com>
Subject: Re: [PATCH v4] sched: automated per session task groups

On Mon, 2010-11-29 at 20:20 +0100, Ingo Molnar wrote:
> * Mike Galbraith <efault@....de> wrote:
> 
> > > I know, from the testing so far we _thought_ it was fairly sane. Apparently 
> > > there's still some work to do.
> > 
> > Damn thing bisected to:
> > 
> > commit 92fd4d4d67b945c0766416284d4ab236b31542c4
> > Merge: fe7de49 e53beac
> > Author: Ingo Molnar <mingo@...e.hu>
> > Date:   Thu Nov 18 13:22:14 2010 +0100
> > 
> >     Merge commit 'v2.6.37-rc2' into sched/core
> > 
> >     Merge reason: Move to a .37-rc base.
> > 
> >     Signed-off-by: Ingo Molnar <mingo@...e.hu>
> > 
> > 92fd4d4d67b945c0766416284d4ab236b31542c4 is the first bad commit
> 
> Hm, i'd suggest to double check the two originator points:
> 
>   e53beac - is it really 'bad' ?
>   fe7de49 - is it really 'good'?

Nope.   I did a bisection this morning in text mode with a pipe-test
based measurement proggy, and it bisected cleanly.

2069dd75c7d0f49355939e5586daf5a9ab216db7 is the first bad commit

commit 2069dd75c7d0f49355939e5586daf5a9ab216db7
Author: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Date:   Mon Nov 15 15:47:00 2010 -0800

    sched: Rewrite tg_shares_up)

	-Mike

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