On Wed, 2007-09-26 at 10:52 +0200, Martin Michlmayr wrote: > I noticed that my network performance has gone down from 2.6.22 > >from [ 3] 0.0-10.0 sec 113 MBytes 95.0 Mbits/sec > to [ 3] 0.0-10.0 sec 75.7 MBytes 63.3 Mbits/sec > with 2.6.23-rc1 (and 2.6.23-rc8), as measured with iperf.
FWIW, on my box blasting localhost, I see the opposite, repeatably. [EMAIL PROTECTED]: iperf -v iperf version 2.0.2 (03 May 2005) pthreads 2.6.22.1-smp for i in `seq 1 3`; do iperf -c localhost; done >> /xx ------------------------------------------------------------ Client connecting to localhost, TCP port 5001 TCP window size: 49.2 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 21383 connected with 127.0.0.1 port 5001 [ 3] 0.0-10.1 sec 518 MBytes 432 Mbits/sec ------------------------------------------------------------ Client connecting to localhost, TCP port 5001 TCP window size: 49.2 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 21384 connected with 127.0.0.1 port 5001 [ 3] 0.0-10.0 sec 325 MBytes 273 Mbits/sec ------------------------------------------------------------ Client connecting to localhost, TCP port 5001 TCP window size: 49.2 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 21385 connected with 127.0.0.1 port 5001 [ 3] 0.0-10.0 sec 434 MBytes 363 Mbits/sec 2.6.23-rc8-smp-d for i in `seq 1 3`; do iperf -c localhost; done >> /xx ------------------------------------------------------------ Client connecting to localhost, TCP port 5001 TCP window size: 49.2 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 11650 connected with 127.0.0.1 port 5001 [ 3] 0.0-10.0 sec 2.01 GBytes 1.72 Gbits/sec ------------------------------------------------------------ Client connecting to localhost, TCP port 5001 TCP window size: 49.2 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 11651 connected with 127.0.0.1 port 5001 [ 3] 0.0-10.0 sec 2.02 GBytes 1.74 Gbits/sec ------------------------------------------------------------ Client connecting to localhost, TCP port 5001 TCP window size: 49.2 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 11652 connected with 127.0.0.1 port 5001 [ 3] 0.0-10.0 sec 2.10 GBytes 1.81 Gbits/sec - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
