dealing with interupt storms .....
Wilkinson, Alex
alex.wilkinson at dsto.defence.gov.au
Sun Nov 14 20:57:24 PST 2004
Okay, well then why does top(1) display 85% CPU time dealing with interrupts ?
- aW
0n Fri, Nov 12, 2004 at 10:46:10AM +0100, Gary Jennejohn wrote:
"Wilkinson, Alex" writes:
> Hi all,
>
> How does one stop an interrupt storm in RELENG_5 ?
>
> >From top(1)
>
> CPU states: 10.9% user, 0.0% nice, 3.9% system, 85.3% interrupt, 0.0% idle
>
> >From vmstat(1)
>
> total rate
> ----- ----
> irq18: uhci2 bt0++ 9187313 426
>
>
426 interrupts/sec isn't exactly a storm. I have 999/sec on my clock
alone and see very low interrupt values in top. Is your top in step
with your kernel?
---
Gary Jennejohn / garyj[at]jennejohn.org gj[at]freebsd.org garyj[at]denx.de
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