On Mon, Oct 03, 2005 at 12:31:59PM +0200, Ferdinand Goldmann wrote: F> Initial observations showed that the system had a very high interrupt load, F> most of the times > 50%, and lagged a little bit. Plus, performance-testing F> with tcpspray yielded bad results at around 10MB/s, or even worse. So we F> tried enabling device polling on the em0 interface. After some testing, we F> set HZ=1000 and kern.polling.burst_max: 300. This made things slightly F> better, our tcpspray tests now reaching a ~13MB/s throughput. F> F> However, now the input errors on the em0 interface were rapidly rising: F> Name Mtu Network Address Ipkts Ierrs Opkts Oerrs F> Coll F> em0 1500 <Link#3> 00:0e:0c:6d:4c:f9 3738461290 8605788 3613603979 F> 0 0 F> F> So for now, the polling is disabled again.
All I can say: I have faced this problem, too. :( This is not problem in polling, but in em. -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
