Top showing 0.0% usage

[EM1897 at aol.com]

In a message dated 2/1/05 5:00:57 PM Eastern Standard Time, 
joerg at xxxxxxxxxxxxxxxxx writes:
>On Tue, Feb 01, 2005 at 03:05:12PM -0500, EM1897 at xxxxxxx wrote:
>> I'm passing about 90Mb/s through a DFLY BSD box with 2 fxp interfaces 
>> and the interrupt usage is showing 0.0%. I know you guys have done 
>> some optimizing, but it seems a bit too speedy. I saw something about 
>> acpi, but the results are the same with and without it. The same traffic
>> on a FreeBSD 4.9 box registers about 40% on this box.
>> 
>> Has this been somehow disconnected? The interrupt usage is a pretty 
>> good way (and the only useful one) for determining when traffic levels
>> are getting too high for a system. Does anyone know about this?

>I'm not sure why, but it seems that the interrupt traffic for many
>devices is now included in the system time. I would have to look at
>the scheduler's accounting to be sure though.
>
>Joerg

Its not being registered anywhere, as the system is showing 100% idle.
Its passing 32K pps, so it seems not to be counted anywhere.