Constantine A. Murenin
mureninc at gmail.com
Tue Oct 9 20:26:19 PDT 2007
On 09/10/2007, walt <wa1ter at myrealbox.com> wrote:
> Constantine A. Murenin wrote:
> > On 09/10/2007, Matthew Dillon <dillon at apollo.backplane.com> wrote:
> >> ...
> >> The real issue here is probably cutting down on timer events when a
> >> system is idle - almost certainly to improve the efficiency of
> >> virtualized systems...
> > It might be useful for power consumption purposes, too.
> > For example, on my Core 2 Duo Allendale box, default FreeBSD
> > 7.0-CURRENT consumes about 2W more power in the idle loop than
> > DragonFly BSD or OpenBSD due to the increased number of clock
> > interrupts that it processes...
> Interesting point, thanks. How do you measure power consumption?
I use a device called Kill A Watt:
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