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From: Ingo Molnar <mingo@elte.hu>
To: Alexey Zaytsev <alexey.zaytsev@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	lkml <linux-kernel@vger.kernel.org>
Subject: Re: printk timestamps jumping back and forth in 2.6.25-rc.
Date: Fri, 29 Feb 2008 20:45:47 +0100	[thread overview]
Message-ID: <20080229194547.GC21249@elte.hu> (raw)
In-Reply-To: <f19298770802281324v1fc37cf4oebd680b81d0e0a2f@mail.gmail.com>


* Alexey Zaytsev <alexey.zaytsev@gmail.com> wrote:

> On Thu, Feb 28, 2008 at 11:16 PM, Ingo Molnar <mingo@elte.hu> wrote:
> >
> >  * Ingo Molnar <mingo@elte.hu> wrote:
> >
> >  > > Anything else I can do?
> >  >
> >  > yes, please test the patch below - does it fix the problem?
> 
> The patch worked well, thanks
> 
> I still observe some uneven mouse behaviour during compilations (linux 
> kernel, make -j 6), like, when I slowly move the mouse, it would stop 
> for a split of a second every few seconds (the intervals are not 
> equal). On 2.6.23/24 it works very smooth. Of course, I can't say that 
> the scheduler is to be blamed. It was only my assumption because I 
> thought I might be confused by the non-monotinic time, which I see is 
> not the case. Any ideas, how to debug this?

could you try latencytop, what does it say, what type of scheduler (and 
other) delays are there?

	Ingo

  reply	other threads:[~2008-02-29 19:46 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-28 14:26 Alexey Zaytsev
2008-02-28 19:21 ` David Miller
2008-02-28 20:13 ` Ingo Molnar
2008-02-28 20:16   ` Ingo Molnar
2008-02-28 21:24     ` Alexey Zaytsev
2008-02-29 19:45       ` Ingo Molnar [this message]
2008-03-01  0:42         ` Alexey Zaytsev
2008-03-01  0:59           ` Alexey Zaytsev
2008-03-03 10:45             ` Ingo Molnar
2008-03-03 22:16               ` Alexey Zaytsev
2008-03-04 12:44                 ` Ingo Molnar
2008-02-29 11:11     ` Paul Mackerras
2008-02-29 18:42       ` David Miller
2008-02-29 19:44         ` Ingo Molnar
2008-03-21 18:55     ` Alexey Zaytsev

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