From: Ingo Molnar <mingo@elte.hu>
To: Mike Galbraith <efault@gmx.de>
Cc: Brian Rogers <brian@xyzw.org>,
linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [BUG] How to get real-time priority using idle priority
Date: Wed, 14 Jan 2009 08:35:30 +0100 [thread overview]
Message-ID: <20090114073530.GA15644@elte.hu> (raw)
In-Reply-To: <1231912965.956.11.camel@marge.simson.net>
* Mike Galbraith <efault@gmx.de> wrote:
> On Wed, 2009-01-14 at 06:31 +0100, Ingo Molnar wrote:
> > What about increasing the weight of SCHED_IDLE tasks from 1 to 2 or 3?
> > That still makes them mega-nice (which is more than enough), but should
> > make the math a lot less borderline.
>
> The weight is currently 2, inv_weight is 1 << 31, which is correct.
then move it up to 5 or so perhaps? We are hitting limits of 64-bit math
here.
Ingo
next prev parent reply other threads:[~2009-01-14 7:36 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-11 10:58 [BUG] How to get real-time priority using idle priority Brian Rogers
2009-01-12 5:09 ` Mike Galbraith
2009-01-12 13:03 ` Mike Galbraith
2009-01-12 13:14 ` Ingo Molnar
2009-01-12 15:23 ` Mike Galbraith
2009-01-12 15:24 ` Ingo Molnar
2009-01-13 1:05 ` Brian Rogers
2009-01-13 2:58 ` Mike Galbraith
2009-01-14 5:13 ` Mike Galbraith
2009-01-14 5:31 ` Ingo Molnar
2009-01-14 6:02 ` Mike Galbraith
2009-01-14 7:35 ` Ingo Molnar [this message]
2009-01-15 9:28 ` Mike Galbraith
2009-01-15 10:14 ` Peter Zijlstra
2009-01-15 10:30 ` Mike Galbraith
2009-01-15 11:37 ` Mike Galbraith
2009-01-15 11:41 ` Peter Zijlstra
2009-01-15 12:54 ` Ingo Molnar
2009-01-15 13:05 ` Peter Zijlstra
2009-01-15 13:15 ` Ingo Molnar
2009-01-15 13:16 ` Peter Zijlstra
2009-01-15 12:07 ` Brian Rogers
2009-01-12 20:46 ` [patch take 2] " Mike Galbraith
2009-01-12 20:50 ` Mike Galbraith
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