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stm Tux's lil' helper

Joined: 19 Aug 2003 Posts: 88
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Posted: Mon Feb 07, 2005 8:10 am Post subject: speedstepping, set to depend on power source? |
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i'm currently trying to get the speedstepping to work the way i want, meaning:
- running on battery: 600 mhz, speed up if needed
- running on ac: max cpu speed all the way
how do i achieve this? i tried with speedfreqd, but as far as i see there's no way for excactly what i want.
regards
stm |
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yaneurabeya Veteran


Joined: 13 May 2004 Posts: 1754 Location: Seattle
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Posted: Mon Feb 07, 2005 9:17 am Post subject: |
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I believe you have to also have ACPI or APM support in your kernel, but there should be some documentation lying around about how to set it up properly. |
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Archangel1 Veteran


Joined: 21 Apr 2004 Posts: 1212 Location: Work
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Posted: Mon Feb 07, 2005 9:55 am Post subject: |
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Speedfreq seemed to work okay for me at first, but when I've checked recently it hasn't been winding up again when on power.
I've had a quick play and I seem to have solved it (although it'll probably break again in a few months) - running speedfreq -p performance when it goes on AC power, and speedfreq -p dynamic when off.
I dumped those lines in /etc/acpi/default.sh along with the other stuff in there; it should take care of everything for me.
If you prefer a more graphical route (and use KDE) KLaptopDaemon is capable of a similar trick, although I prefer not to use a utility that's only running in onde DE - and I think the speedfreq one is a better solution anyway. _________________ What are you, stupid? |
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stm Tux's lil' helper

Joined: 19 Aug 2003 Posts: 88
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Posted: Tue Feb 08, 2005 7:41 am Post subject: |
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ye, i do have acpi and apm support in my kernel.
the mentioned lines about speedfreq -p look like a good start, i'll give that a try, thanks! |
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