Management of Thermal
Ian Smith
smithi at nimnet.asn.au
Sat Oct 13 22:29:52 PDT 2007
On Thu, 11 Oct 2007, Lars Engels wrote:
> Quoting Norberto Meijome <freebsd at meijome.net>:
>
> > On Tue, 9 Oct 2007 03:21:20 +1000 (EST)
> >> Another thing with powerd - have you tried running it with -v in fg?
> >> With my 2-speed the shift points seem about right, but with lots of
> >> speeds I'd be curious to try optimising the idle / running shifts in
> >> terms of hysteresis, 'hunting' up and down with different loads and
> >> such. 'Someone' could do up some nice graphs :)
> >
>
> Try this one:
>
> Let this run for some time http://bsdpaste.bsdgroup.de/626
>
> And then let this generate some nice graphs
> http://bsdpaste.bsdgroup.de/627 with
> ./gen_temphistory.pl /tmp/tempstats.txt
>
> The Perl script is shamelessly stolen from somebody and modified for my needs.
> It displays CPU speed, Temperature (*100) and if the Notebook is
> running on AC or not.
Thanks Lars; I found the 'paste downloaden' button! I will definitely
give this one a go when some free time turns up. I guess the trick for
checking the shift points is to find / make an application that can run
at various loads, like 'set_load_avg_percent 70' or such. Any ideas?
Cheers, Ian
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