On Fri, Dec 08, 2006 at 06:54:33PM -0600, Gunnar Wolf wrote: > Anthony DeRobertis dijo [Fri, Dec 08, 2006 at 06:31:55PM -0500]: > > > * Will cause negligible impact on system performance. ondemand seems > > > to have the philosophy of "max system speed unless I can be shown > > > that the system is pretty much idle" > > > > This isn't true on this machine here. Enabling it has the following > > effects: > > 1) it slows the CPU down to the point where I can watch the title > > bars of windows redraw step-by-step when I move the mouse over them > > 2) according to the power meter in my UPS, saves approximately 0W > > (yes, zero) of electricity. > > 3) lets the chip run approximately 0°C cooler. > > (...) > > I must just repeat what you say. Of course, I cannot say how cooler or > how much lower on electricity does this run, but my 3GHz P4 also > dropped to 375MHz. And it was painful. > > I hand-adjusted the minimum to 1GHz, but still... I'm unsure whether
We can trivially fix that by fixing a minimum to, say, 50% or 30%. > to leave the ondemand governor active, as it might just never go back > to 3GHz on its own. Are you seriously having trouble with that? I've seen it spike up virtually instantaneously. What kernel version do you have
