linux-kernel - Re: [announce] CFS-devel, performance improvements

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Message-ID: <6b8cef970709130236o48e4d923ofe4ad862c749f2da@mail.gmail.com>
Date:	Thu, 13 Sep 2007 05:36:18 -0400
From:	"Rob Hussey" <robjhussey@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	"Peter Zijlstra" <a.p.zijlstra@...llo.nl>,
	"Mike Galbraith" <efault@....de>,
	"Roman Zippel" <zippel@...ux-m68k.org>
Subject: Re: [announce] CFS-devel, performance improvements

On 9/13/07, Ingo Molnar <mingo@...e.hu> wrote:
>
> * Rob Hussey <robjhussey@...il.com> wrote:
>
> > On 9/13/07, Ingo Molnar <mingo@...e.hu> wrote:
> > >
> > > thanks for the numbers! Could you please also post the .config you used?
> >
> > Sure, .config for 2.6.23-rc1 and 2.6.23-rc6 attached.
>
> thx! If you've got some time, could you perhaps re-measure with these
> disabled:
>
>   CONFIG_SCHED_DEBUG=y

Well, I was going over my config myself after you asked for me to post
it, and I thought to do the same thing. Except, disabling sched_debug
caused the same error as before:
In file included from kernel/sched.c:794:
kernel/sched_fair.c: In function 'task_new_fair':
kernel/sched_fair.c:857: error: 'sysctl_sched_child_runs_first'
undeclared (first use in this function)
kernel/sched_fair.c:857: error: (Each undeclared identifier is
reported only once
kernel/sched_fair.c:857: error: for each function it appears in.)
make[1]: *** [kernel/sched.o] Error 1
make: *** [kernel] Error 2

It only happens with sched_debug=y. I take it back, it wasn't my fault :)

As for everything else, I'd be happy to.
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