Any Interest in Load-Adaptive Power Daemon?

[j***@yahoo.com]

I've been using an IBM T40 that I love, but it has a very short life on
batteries:
something like 2:30, which is half of my previous Dell. I'm presuming that
this
is a direct result of always running at max clock 1.6Ghz. I've been doing a
little better lately adjusting clock speed manually, but I'm thinking of
writing
a daemon that will do the job automatically. It shouldn't take more than a day
or
so, but:
1) Does something like this already exist on FreeBSD?
2) Anyone else want it? I'd like to donate it for FreeBSD inclusion if it
works well and any core person is interested.

Thanks in advance,

Jeff Katcher




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[d***@langille.org]

Post by j***@yahoo.com
2) Anyone else want it?

I get about 2.5 hours on my ThinkPad T22. If I could stretch that to
5 hours, I'd be happy as.

Post by j***@yahoo.com
I'd like to donate it for FreeBSD inclusion if it
works well and any core person is interested.

If you get it started, and it works, then others will certainly help to improve it.

[o***@outi.echsi.de]

Post by j***@yahoo.com
I've been using an IBM T40 that I love, but it has a very short life on
something like 2:30, which is half of my previous Dell. I'm presuming that
this
is a direct result of always running at max clock 1.6Ghz. I've been doing a
little better lately adjusting clock speed manually, but I'm thinking of
writing
a daemon that will do the job automatically. It shouldn't take more than a day
or
1) Does something like this already exist on FreeBSD?
2) Anyone else want it? I'd like to donate it for FreeBSD inclusion if it
works well and any core person is interested.
Thanks in advance,
Jeff Katcher

that would be really great. i've read about something like that for
linux but due to my missing skills regarding *nix i never had a closer look.

as i can not provide you with programming skills, i would be interested
in testing and maybe translating ;)

[j***@yahoo.com]

I have something passable running now, though it's actually a hacked version of
wmcpuload (now wmcpuclock) so I can watch status and history. My question is:
Does it actually makes any difference in power consumption?

I raise and lower the clock speed (via sysctl ACPI MIB stuff) according to use.
The system does in fact feel correspondingly faster or slower. However, once
the
fan comes on, it never goes off again and I can't seem to override this via
sysctl. Is this just T40 ACPI BIOS bogosity (running 2.02 I think)? I just
seems
like fan power consumption would be the big hog on an otherwise idle system.

Jeff Katcher




__________________________________
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Yahoo! Photos: High-quality 4x6 digital prints for 25¢
http://photos.yahoo.com/ph/print_splash