On Wed, Oct 19, 2005 at 11:12:22AM -0700, Mitchell, Earl wrote: > If you are looking at network performance ... > A while back I briefly looked at this and it > looked like the per packet processing time had > gone up significantly between 2.4.20 and > 2.6.x. Problem was not NAPI which switches > from interrupt to polling mode when you get a burst > of packets. I actually traced a single packet from Rx > to Tx. Unfortunately I didn't save my data and did > not isolate where increased time was being spent. A common cause for low networking performance is connection tracking. Just loading the module will have serious impact. Ralf
