linux-kernel - Re: [git] CFS-devel, group scheduler, fixes

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Date:	Thu, 20 Sep 2007 10:11:10 +0200
From:	Mike Galbraith <efault@....de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Tong Li <tong.n.li@...el.com>, dimm <dmitry.adamushko@...il.com>,
	linux-kernel@...r.kernel.org,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [git] CFS-devel, group scheduler, fixes

On Thu, 2007-09-20 at 09:51 +0200, Ingo Molnar wrote:
> * Mike Galbraith <efault@....de> wrote:
> 
> > [...]  I modified the kernel to print task's actual tree key instead 
> > of their current vruntime, [...]
> 
> btw., that looks like a debug printout bug in sched-devel.git - could 
> you send me your fix? I've pushed out the latest sched-devel (ontop of 
> -rc7) to the usual place:

Well, I temporarily added a key field, which is only used to store the
key for debug...

>    git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched.git
> 
> (note that there are some debug printout updates which might clash with 
> your fix)

I'll pull/build this and test my migration problem there.  All I have to
do is to add a nice 19 chew-max to my make -j2, and all hell breaks
loose.  Always suspecting myself first in the search for dirty rotten
SOB who broke local scheduler :) I nuked the migration fix.  Looks like
I'm not the SOB this time.. it got much worse, with max Xorg latency of
>500ms.

	-Mike

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