so much clock interrupts?!

Wojciech Puchar wojtek at
Fri Nov 25 00:09:45 GMT 2005

>> 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 actually increases
> performance on some workloads.
no i'm just asking.

does hz=1000 means that if i run >1 CPU-bound process per processor it's 
switched 1000 times per second between them? or just 1000 times per second 
system call is issued that does many system duties, but switches processes 
with different frequency?

More information about the freebsd-questions mailing list