Re: Need better is_better_time_interpolator() algorithm
From: Pavel Machek
Date: Sat Aug 27 2005 - 14:31:57 EST
Hi!
> > Would we ever want to favor a frequency shifting timer over anything
> > else in the system? If it was noticeable perhaps we'd just need a
> > callback to re-evaluate the frequency and rescan for the best timer. If
> > it happens without notice, a flag that statically assigns it the lowest
> > priority will due. Or maybe if the driver factored the frequency
> > shifting into the drift it would make the timer undesirable without
> > resorting to flags. Thanks,
>
> Timers are usually constant. AFAIK Frequency shifts only occur through
> power management. In that case we usually have some notifiers running
Usually is the key word here. Older APM stuff changes frequency behind
your back, and sometimes frequency shift is time-critical.
--
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/