high interrupt load under 6.0?

David E. Cross crossd at cs.rpi.edu
Tue Apr 11 22:31:53 UTC 2006


Zuh, holy delayed reply.. but I figured for at least the sake of
web-search engines I should reply and say that this was indeed the fix.
Thank you.

-- 
David E. Cross
On Sat, 2006-02-18 at 15:05 -0500, Kris Kennaway wrote:
> On Sat, Feb 18, 2006 at 07:52:02PM +0000, David E. Cross wrote:
> > I have a 486DX50 firewall that has been serving me well for a number of
> > years.  I recently upgraded it fro 5.4 to 6.0 and performance plumeted
> > rather drastically (about 40%).  I would like to fix it.  What I have
> > noticed is that even when sitting idle the system spends ~20% of its
> > time in interrupt.  Below I have included dmesg, kernel config, and
> > vmstat -i information.
> 
> Try turning HZ=1000 back down to HZ=100.
> 
> Kris



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