Subject: Re: [PATCH] Staircase scheduler v7.4
From: Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Con Kolivas <kernel@kolivas.org>, Michael Buesch <mbuesch@freenet.de>,
       linux kernel mailing list <linux-kernel@vger.kernel.org>,
       Willy Tarreau <willy@w.ods.org>
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Date: Mon, 28 Jun 2004 13:53:46 +0200
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On Mon, 2004-06-28 at 18:49 +1000, Nick Piggin wrote:
> Felipe Alfaro Solana wrote:
> 
> > I have tested 2.6.7-bk10 plus from_2.6.7_to_staircase_7.7 patch and,
> > while it's definitively better than previous versions, it still feels a
> > little jerky when moving windows in X11 wrt to -mm3. Renicing makes it a
> > little bit smoother, but not as much as -mm3 without renicing.
> > 
> 
> You know, if renicing X makes it smoother, then that is a good thing
> IMO. X needs large amounts of CPU and low latency in order to get
> good interactivity, which is something the scheduler shouldn't give
> to a process unless it is told to.

But the problem here is that -ck3 with X reniced to -10 is not as smooth
as -mm3 with no renicing. That's what worries me.

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