On Fri, 24 Sep 2004 11:47:52 EDT, in sentex.lists.freebsd.questions
you wrote:
>I thought I'd reword my question since no one seemed to understand the first
>time.
>
>Is there a way to measure CPU kernel/interrupt usage when device polling is
>enabled on 4.x systems? top and systat both show 100% idle all of the time.
>
Hi,
As long as all your interfaces support polling, you should see
hardly see any interrupt usage at all, as that is the whole point of
polling. You can allocate more or less CPU cycles to flinging packets
around via various sysctl settings. See the polling man pages for
more info
---Mike
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