so much clock interrupts?!
Kris Kennaway
kris at obsecurity.org
Thu Nov 24 23:16:16 GMT 2005
On Thu, Nov 24, 2005 at 07:40:40AM +0000, Markus Trippelsdorf wrote:
> On 2005-11-24, Wojciech Puchar <wojtek at tensor.3miasto.net> 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?!
>
> Yes it is.
> That's why I have kern.hz="100" in my /boot/loader.conf .
Have you been able to measure a performance benefit from reducing it?
Have you shown that reducing it does not cause your performance to
*drop*? It was increased for a reason..it actually increases
performance on some workloads.
Kris
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