HEADSUP: HZ=1000 by default on i386

[Andrew Gallatin]

Poul-Henning Kamp writes:
 > 
 > We increasingly need better granularity in our sleep/wakeup calls and
 > things like device polling and trafic shaping needs higher granularity
 > in particular.
 > 

Have you (or anybody else) looked at what dragonfly has done with
tvtohz() and clock aliasing?

The results presented at http://www.dragonflybsd.org/docs/nanosleep
look very promising.   But I've never thought very hard about timers,
and I'm not sure I understand what they are doing.


Drew