From: Andrew Morton <akpm@osdl.org>
To: "Ronny V. Vindenes" <s864@ii.uib.no>
Cc: linux-kernel@vger.kernel.org, Dominik Brodowski <linux@brodo.de>,
john stultz <johnstul@us.ibm.com>
Subject: Re: Terrible interactivity with 2.6.0-t9-mm3
Date: Mon, 17 Nov 2003 11:36:50 -0800 [thread overview]
Message-ID: <20031117113650.67968a26.akpm@osdl.org> (raw)
In-Reply-To: <1069071092.3238.5.camel@localhost.localdomain>
"Ronny V. Vindenes" <s864@ii.uib.no> wrote:
>
> > Your report has totally confused me. Are you saying that the
> jerkiness is
> > caused by linus.patch? Or not? Pleas try again ;)
> >
>
> I've found that neither linus.patch nor
> context-switch-accounting-fix.patch is causing the problem, but rather
> acpi-pm-timer-fixes.patch & acpi-pm-timer.patch
>
> With these applied my cpu (athlon64) is detected as 0.0Mhz, bogomips
> drops to 50% and anything cpu intensive destroys interactivity. Revert
> them and performance is back at -mm2 level.
ah hah. Thank you!
Probably the interactivity problems are due to the CPU scheduler thinking
that the CPU runs at 0Hz. If we can work out why the PM timer patch has
broken the CPU clock speed detection then all should be well.
next prev parent reply other threads:[~2003-11-17 19:36 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-17 12:11 Ronny V. Vindenes
2003-11-17 13:12 ` Prakash K. Cheemplavam
2003-11-17 19:46 ` Thomas Schlichter
2003-11-17 21:27 ` john stultz
2003-11-17 22:44 ` john stultz
2003-11-17 22:51 ` Prakash K. Cheemplavam
2003-11-17 22:55 ` john stultz
2003-11-17 23:04 ` john stultz
2003-11-17 23:46 ` Thomas Schlichter
2003-11-18 22:59 ` linux-2.6.0-test9-mm3_acpi-pm-monotonic-fix_A0 john stultz
2003-11-19 7:34 ` linux-2.6.0-test9-mm3_acpi-pm-monotonic-fix_A0 Thomas Schlichter
2003-11-18 13:24 ` Terrible interactivity with 2.6.0-t9-mm3 Prakash K. Cheemplavam
2003-11-18 16:11 ` Prakash K. Cheemplavam
2003-11-18 18:28 ` john stultz
2003-11-18 16:15 ` Prakash K. Cheemplavam
2003-11-17 13:15 ` Felipe Alfaro Solana
2003-11-17 19:36 ` Andrew Morton [this message]
2003-11-17 19:35 ` john stultz
2003-11-18 18:56 ` Dominik Brodowski
2003-11-18 19:18 ` john stultz
-- strict thread matches above, loose matches on Subject: below --
2003-11-16 19:26 CaT
2003-11-16 20:24 ` Prakash K. Cheemplavam
2003-11-16 21:42 ` Andrew Morton
2003-11-16 22:06 ` Arnaldo Carvalho de Melo
2003-11-16 22:13 ` Andrew Morton
2003-11-16 22:18 ` CaT
2003-11-17 0:16 ` Panagiotis Papadakos
2003-11-17 2:20 ` Gawain Lynch
2003-11-17 2:49 ` Andrew Morton
2003-11-17 3:11 ` Gawain Lynch
2003-11-17 3:54 ` Gene Heskett
2003-11-17 4:19 ` Nick Piggin
2003-11-17 4:47 ` Gene Heskett
2003-11-17 5:17 ` Nick Piggin
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