On Wed, Jan 25, 2006 at 09:49:41AM -0500, Steve Adeff wrote: > > Robert Tsai wrote: > > >I have an Athlon64 3500+ Winchester. By default, the > > >cpufreq-ondemand governor only lets it go from 2.2GHz down to > > >1.8GHz. I had to tweak it manually to drop it down to 1.0GHz > > >(nothing available in between): > > > > > > # cpufreq-set --min 1000000 --governor ondemand > > > > > >[This is software only; no mucking around with voltage on the > > >motherboard.] > > how "safe" is letting the CPU change its speed? will it affect how > applications run or is it seamless?
I've been running my machine in this configuration for about a year with no problems. By default, the CPU will speed up to whatever is demanded of it. You can also configure cpufreq-ondemand to ignore "niced" processes, so that niced processes won't cause the CPU to speed up. Obviously, the side effect is that these niced CPU-intensive processes run slower. --Rob
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