RE: Strange CPU distributionat very high level bandwidth

2009-08-19 Thread Invernizzi Fabrizio
There is an error in my previous email: the upper limit I see is 5722 Mbps (total). I am sending 239700 pps per interface, 1492-bytes long. Fabrizio > -Original Message- > From: Gergely CZUCZY [mailto:phoe...@harmless.hu] > Sent: mercoledì 19 agosto 2009 12.57 > To: Invernizzi Fabriz

Re: Strange CPU distributionat very high level bandwidth

2009-08-19 Thread Gergely CZUCZY
Hello, Just a question. May I ask how many pps is this traffic (packet per second). Forward performance actually depends on the pps rate and not on the bandwidth usage as far as my experience goes. As I've calculated by your given data, it might be around 166Kpps, but i might be wrong there. On W

Strange CPU distributionat very high level bandwidth

2009-08-19 Thread Invernizzi Fabrizio
Hi all i am going on with some performance tests on a 10gbe network card with FreeBSD. I am doing this test: I send UDP traffic to be forwarded to the other port of the card on both the card ports. Using 1492-long packets i am uppering the number of packets per second i sent In order to see wi