Is there anything happening on the serial console? I'm in a totally different environment but find that any output on the serial is a killer on other interrupts. With nothing happening on the serial I can comfortably sustain ~64mbs (UDP, 32 in, 32 out).
- Don On 6/29/2007 at 11:50 AM Jonathon Exley wrote: >Is anyone out there using iperf to test Ethernet circuits on a 4801? >I find that I can't do bidirectional UDP tests above 4Mbit/s for >prolonged periods (like 900s). >The test runs ok for a while and then I get bursts of packet loss every >60s or so. >I'm running Debian Sarge with a custom compiled 2.6.20.1 kernel as per >Brix Andersen's paper. >For some reason the Debian 2.6.8 kernel performs better - 10Mbit/s for >900s is ok, at 20Mbit/s I start getting errors. >Maybe it's a feature of 2.6.20.1? or perhaps the interrrupt algorithm I >chose (CONFIG_DEFAULT_IOSCHED="anticipatory"). >What sort of rates can other people get out of iperf? >The command I used was: iperf -c <host> -u -d -i5 -b4m -t900 > >Jonathon _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
