From: Dominik Brodowski <linux@dominikbrodowski.net>
To: Eric Piel <Eric.Piel@lifl.fr>,
Eric Piel <eric.piel@tremplin-utc.net>,
CPUFreq Mailing List <cpufreq@lists.linux.org.uk>,
davej@redhat.com, syrjala@sci.fi
Subject: Re: [PATCH 2/2 updated] Measure transition latency at driver initialization
Date: Sun, 4 Dec 2005 18:00:46 +0100 [thread overview]
Message-ID: <20051204170046.GE8422@isilmar.linta.de> (raw)
In-Reply-To: <20051202205941.GE3598@inferi.kami.home>
On Fri, Dec 02, 2005 at 09:59:41PM +0100, Mattia Dongili wrote:
> the attached patch introduces runtime latency measurement for ICH[234]
> based chipsets instead of using CPUFREQ_ETERNAL. It includes
> some sanity checks in case the measured value is out of range and
> assigns a safe value of 500uSec that should still be enough on
> problematics chipsets (current testing report values ~200uSec). The
> measurement is currently done in speedstep_get_freqs in order to avoid
> further unnecessary transitions and in the hope it'll come handy for SMI
> also.
>
> Signed-off-by: Mattia Dongili <malattia@linux.it>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
next prev parent reply other threads:[~2005-12-04 17:00 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-29 23:58 [RFC][PATCH 0/0] measure speedstep-ich transition latency at CPU initialization Mattia Dongili
2005-11-29 23:58 ` [PATCH 1/2] Move PMBASE reading away and do it only once at initialization time Mattia Dongili
2005-11-29 23:58 ` [PATCH 2/2] Measure transition latency at driver initialization Mattia Dongili
2005-11-30 11:46 ` Eric Piel
2005-11-30 22:30 ` Mattia Dongili
2005-11-30 23:41 ` Eric Piel
2005-12-01 19:31 ` [PATCH 2/2 updated] " Mattia Dongili
2005-12-01 21:05 ` Eric Piel
2005-12-01 23:34 ` Mattia Dongili
2005-12-02 11:37 ` Eric Piel
2005-12-02 13:34 ` Mattia Dongili
2005-12-02 20:59 ` Mattia Dongili
2005-12-02 23:43 ` Eric Piel
2005-12-04 17:00 ` Dominik Brodowski [this message]
2005-12-02 4:38 ` Ville Syrjälä
2005-11-30 11:02 ` [PATCH 1/2] Move PMBASE reading away and do it only once at initialization time Eric Piel
2005-11-30 21:00 ` Mattia Dongili
2005-12-04 16:58 ` Dominik Brodowski
-- strict thread matches above, loose matches on Subject: below --
2005-12-03 0:50 [PATCH 2/2 updated] Measure transition latency at driver initialization Pallipadi, Venkatesh
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