DragonFly users List (threaded) for 2006-06
Re: High interrupt CPU usage in top
Mark Cullen <mark.r.cullen@xxxxxxxxx> wrote:
> Oliver Fromme wrote:
> > Have you tried "vmstat -i"? It might give an indication
> > if any of the device interrupts is causing the problem.
> Yep, doesn't look particularly unusual to me (taken while compiling
> multiple things)?
[omitted some lines for brevity]
> interrupt total rate
> clk 3134621 281
> fxp0 176854 15
> uhci0/fxp1 0 0
> ata1 250336 22
> Total 3567308 319
Looks normal indeed. However, those values are counters
which count since the last reboot, so a short spike will
not necessarily be visible there.
> Looks like USB is sharing with fxp1? Not that fxp1 is actually even
> plugged in or being used at all at the moment!!
In that case it shouldn't do any harm. Also note that it
hasn't generated any interrupts at all. So the problem
is caused by something else.
Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing
Dienstleistungen mit Schwerpunkt FreeBSD: http://www.secnetix.de/bsd
Any opinions expressed in this message may be personal to the author
and may not necessarily reflect the opinions of secnetix in any way.