Toggling processor performance via command line / terminal on G5
 

Hi guys and gals,

I often SSH into my G5 dual 2.7 GHz downstairs from my PB 12" 867MHz. I usually leave my G5 running 24/7 at "reduced" processor usage so that the electricity bill is lower. But sometimes, when I am doing some processor intensive work, I bump up the processor to full or automatic so get things done quickly. So the question arises, is there a way to toggle the processor performance via the command line (CLI) instead of going via Engergy Saver in System Preferances?

When I am away from home, using Remote Desktop is exceedingly slow and not always an option.

Thanks.

Aaron

You can control this with the 'pmset' utility.
I think there was at least one article on the main macosxhints site about 'pmset'
Read 'man pmset' for details

Thanks, that did the trick. Here's the command line:

To set processor speed to "reduced"
sudo pmset -a reduce 1

To set processor speed to "highest" or not reduced:
sudo pmset -a reduce 0

Value of 0 or 1 is obviously a boolean value (true/false).

I haven't understood why you don't just leave Processor Performance on Automatic (I know the dual-core G5 has that setting an would have thought your computer had it). It switches back and forth fairly rapidly depending on Processor use.

It's more nosy if I leave it on automatic with the rapid changes. But overall, just a preference to be able to control myself...