Is this a high interrupt rate for nics?
Greg 'groggy' Lehey
grog at FreeBSD.org
Mon May 9 08:44:54 PDT 2005
On Sunday, 8 May 2005 at 9:02:08 -0400, M. Parsons wrote:
> Freebsd-5.3 SMP Kernel. Polling enabled.
>
> bash-2.05b$ vmstat -i
> interrupt total rate
> irq5: ep0 2937064 1
> irq11: ed0 298318862 165
> irq10: de0 276544892 152
>
> Are those normal for ed0 and de0? Compared to the ep0 nic of rate
> of 1 (although the ep0 nic is not used as much as the other two nics
> obviously).
Depends on what you mean by "normal". You'll get one interrupt per
packet, and those rates are perfectly normal. If you're not
transferring anything, you shouldn't be getting any interrupts.
Greg
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