From: "Rafał Bilski" <rafalbilski@interia.pl>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Dave Jones <davej@codemonkey.org.uk>,
cpufreq@lists.linux.org.uk, linux-kernel@vger.kernel.org
Subject: Re: cpufreq longhaul locks up
Date: Fri, 04 May 2007 22:11:44 +0200 [thread overview]
Message-ID: <463B9380.5090503@interia.pl> (raw)
In-Reply-To: <Pine.LNX.4.61.0705042042270.18504@yvahk01.tjqt.qr>
>> Btw. I've been writting many times: if You want to use ondemand with
>> Longhaul You don't need cpufreq at all.
>
> Does VIA Nehemiah do hardware-driven autoregulation like Transmeta
> Crusoe too? (I suspect no, have not seen that happen.)
No.
>> It is just one another cool gadget for You.
>> Longhaul wasn't designed to change frequency often.
>
> Is there a way I can start with a specific governor (powersave) right
> from the start so that all devices that Linux will initialize assume
> the CPU runs at <choose something> MHz?
You have to search cpufreq mail list archives. I think that I saw
patch recently.
>> It has big latency and requires so much preparation that it isn't worth
>> if You don't need to save power or cool down CPU.
>
> I found frequency switching on my VIA to be fast enough.
Timer frequency equal to 1000Hz?
> Jan
Rafa³
----------------------------------------------------------------------
Wicie, rozumicie....
Zobacz >>> http://link.interia.pl/f1a74
next prev parent reply other threads:[~2007-05-04 20:11 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-04 10:16 cpufreq longhaul locks up Jan Engelhardt
2007-05-04 11:36 ` Wander Winkelhorst
2007-05-04 11:51 ` Jan Engelhardt
2007-05-04 17:08 ` Rafał Bilski
2007-05-04 17:42 ` Chuck Ebbert
2007-05-04 18:40 ` Rafał Bilski
2007-05-04 18:08 ` Wander Winkelhorst
2007-05-04 19:00 ` Rafał Bilski
2007-05-04 18:48 ` Jan Engelhardt
2007-05-04 20:11 ` Rafał Bilski [this message]
2007-05-04 21:03 ` Jan Engelhardt
2007-05-04 20:37 ` john stultz
2007-05-04 21:02 ` Jan Engelhardt
2007-05-04 22:49 ` john stultz
2007-05-04 23:32 ` Jan Engelhardt
2007-05-05 4:03 ` Rafał Bilski
2007-05-05 8:00 ` Jan Engelhardt
2007-05-05 13:58 ` Rafał Bilski
2007-05-05 18:13 ` Jan Engelhardt
2007-05-04 22:20 ` David Johnson
2007-05-04 23:37 ` Jan Engelhardt
2007-05-05 5:40 ` Rafał Bilski
2007-05-05 8:44 ` Wander Winkelhorst
2007-05-05 14:02 ` Rafał Bilski
2007-05-05 17:48 ` Rafał Bilski
2007-05-05 18:42 ` Jan Engelhardt
2007-05-05 19:58 ` Rafał Bilski
2007-05-05 20:30 ` Jan Engelhardt
2007-05-05 20:50 ` Jan Engelhardt
2007-05-05 21:32 ` Rafał Bilski
2007-05-06 7:53 ` Jan Engelhardt
2007-05-06 5:12 ` Rafał Bilski
2007-05-06 8:03 ` Jan Engelhardt
2007-05-06 9:23 ` Rafał Bilski
2007-05-06 9:32 ` Jan Engelhardt
2007-05-06 10:25 ` Rafał Bilski
2007-05-06 11:33 ` Jan Engelhardt
2007-05-06 12:20 ` Rafał Bilski
2007-05-05 9:37 ` Jan Engelhardt
2007-05-05 14:10 ` Rafał Bilski
2007-05-05 17:38 ` Jan Engelhardt
2007-05-05 18:04 ` Rafał Bilski
2007-05-05 18:23 ` Jan Engelhardt
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