so much clock interrupts?!

[Kris Kennaway]

On Thu, Nov 24, 2005 at 01:35:41AM +0100, Wojciech Puchar wrote:
> that's what i see in systat with FreeBSD 6.0/i386-SMP
> 
> 
>       540      534   99                                   pdwak  2000 cpu0: 
>       time
>                                                     16825 pdpgs  2000 cpu1: 
>                                                     time
> 
> 
> on FreeBSD 5.3 live CD i have 100 not 2000 times per second
> 
> isn't it too much?!

No, it's just a consequence of HZ=1000 instead of HZ=100.  I've
measured this carefully and I can't see it causing a penalty on my
workloads.  It apparently gives a benefit on machines that do a lot of
network I/O.

Kris
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