> On Fri, Mar 04, 2011 at 04:04:53PM +1100, matthew green wrote: > > > Raise the return value of the match-function of est(4) and powernow(4). > > > The assigned priorities are now: 10 for acpicpu(4), 5 for est(4) and > > > powernow(4), and 1 for odcm(4). These are used to pick the preferred > > > driver. > > > > to the best of my knowledge, odcm(4) is separate to est(4) and > > old school speedstep, and both can be active at the same time. > > > > i've certainly done this on an old P4-M. > > This was discussed on port-i386@ and port-amd64@. Yes, both may be used at > the same time. Yet, this is a curiosity. ODCM is nearly useless. No one even > reported using it.
yes - i never bothered to commit my code to use it because i could only measure at best a 1-2% battery life increase (ie, i wasn't really even sure i saw anything!) for a 7/8ths drop in performance (ie, running at 1/8 duty cycles.) .mrg.
