[mythtv-users] Re: Large-scale myth farm

[Robert Tsai]

On Tue, Oct 04, 2005 at 07:24:29PM +0100, Stephen Boddy wrote:
> Just a quick note that, depending on your system and set-up, the
> transcoding may take longer than you expect. I have an Athlon 64,
> and the cool-n-quiet means that when idle it roughly halves the
> processor speed. Niced processes (i.e. the transcoding) do not cause
> the processor to ramp up to full speed. I found this out when I
> niced the MythTV compile and wondered why it was taking so long.

If you are using cpufreq:

	http://lwn.net/Articles/106900/?format=printable

The default value is "0". To change it:

	# echo 1 > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/ignore_nice

This means that the CPU will run at full throttle even for "nice"d
processes.

--Rob
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