From owner-freebsd-embedded@FreeBSD.ORG  Wed Aug 17 08:33:42 2011
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From: Andrew Stevenson <andrew@ugh.net.au>
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Subject: Re: system locks up with vr driver on alix board
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On 17 Aug 2011, at 02:39, Ask Bj=F8rn Hansen wrote:

>> How many PPS or interrupts do you see from vr interface under high
>> network load?
>=20
> Honestly I'm not sure.  I only know how to see the interrupt busy =
percentage from top =85    Is there a cheap way to get those numbers?    =
If so then I'll log them every second or two and see if it catches =
anything.

"systat -vmstat" shows interrupts per second per device. Some use of awk =
or sed may be required.

HTH,

Andrew