Re: Tickless system?

[walt <wa1ter@xxxxxxxxxxxxx>]

Constantine A. Murenin wrote:
> On 09/10/2007, Matthew Dillon <dillon@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?