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Message-ID: <f19298770803031416y32dbb7dakfc88b8572c2c10fe@mail.gmail.com>
Date: Tue, 4 Mar 2008 01:16:22 +0300
From: "Alexey Zaytsev" <alexey.zaytsev@gmail.com>
To: "Ingo Molnar" <mingo@elte.hu>
Subject: Re: printk timestamps jumping back and forth in 2.6.25-rc.
Cc: "Thomas Gleixner" <tglx@linutronix.de>,
       lkml <linux-kernel@vger.kernel.org>,
       "Arjan van de Ven" <arjan@linux.intel.com>
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On Mon, Mar 3, 2008 at 1:45 PM, Ingo Molnar <mingo@elte.hu> wrote:
>
>  * Alexey Zaytsev <alexey.zaytsev@gmail.com> wrote:
>
>
> > >  I"ll now recompile with fair group scheduler disabled, just to be
>  > >  sure.
>  >
>  > Yes, with the group scheduler disabled, the latencies for both Xorg
>  > and gnome-terminal do net exceed 15 ms. And the mouse is also smooth.
>
>  could you also try the current scheduler fixes lineup in
>  sched-devel.git:
>
>    http://people.redhat.com/mingo/sched-devel.git/README
>
>  is the mouse smooth with the group scheduler _enabled_ too?
>

Works fine. The latencies of both Xorg and gnome-terminal are
reported to be about 5-20 ms, and the mouse is smooth too.

Thanks for the fast response to the ptoblem.

>         Ingo
>
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