Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp]

Wilkinson, Alex alex.wilkinson at
Tue Jul 1 03:02:46 UTC 2008

    0n Mon, Jun 30, 2008 at 10:41:36PM -0400, Paul wrote: 

    >All the NIC drivers in 7 pretty much use interrupt moderation so it can 
    >never lock the machine anyway.. This effectively kills polling and it 
    >really no longer has any use except to be able to have a fraction of the 
    >cpu set aside for user space but you can do that anyway with SMP

what is "interrupt moderation" ?


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