Subject: Re: _High_ CPU usage while routing (mostly) small UDP packets

From: Karsten Desler <[email-masked]>
Date: Tue, 7 Dec 2004 04:24:38 +0100

* jamal wrote:
> > The only thing I can think off is the 66/64 PCI bus and the
> > disadvantageous placement of the PCI cards, but neither should cause a
> > higher CPU usage. If the bus couldn't keep up, I'd get packetloss.
> > 
> 
> cant tell offhand; it looks like a modern piece of hardware.
> Are you sure you are using NAPI? This is an e1000, correct?
> 

Yes and yes.

0000:01:01.0 Ethernet controller: Intel Corp. 82545EM Gigabit Ethernet Controller (Fiber) (rev 01)
0000:01:03.0 Ethernet controller: Intel Corp. 82546GB Gigabit Ethernet Controller (rev 03)

driver: e1000
version: 5.5.4-k2-NAPI
firmware-version: N/A
bus-info: 0000:01:03.0

driver: e1000
version: 5.5.4-k2-NAPI
firmware-version: N/A
bus-info: 0000:01:01.0