Re: IBM (Lenovo) T60: e1000 driver high latency
From: Thomas Glanzmann <hidden>
Date: 2006-07-31 15:51:28
Hello Auke,
quoted
CONFIG_IRQBALANCE=y
thanks for the feedback. The behaviour improoved. In my first tests it wasn't so good. But now it seems perfect: (thinkpad) [~] ping 131.188.30.102 PING 131.188.30.102 (131.188.30.102) 56(84) bytes of data. 64 bytes from 131.188.30.102: icmp_seq=1 ttl=64 time=419 ms 64 bytes from 131.188.30.102: icmp_seq=2 ttl=64 time=0.264 ms 64 bytes from 131.188.30.102: icmp_seq=3 ttl=64 time=0.701 ms 64 bytes from 131.188.30.102: icmp_seq=4 ttl=64 time=0.630 ms 64 bytes from 131.188.30.102: icmp_seq=5 ttl=64 time=0.710 ms 64 bytes from 131.188.30.102: icmp_seq=6 ttl=64 time=0.638 ms 64 bytes from 131.188.30.102: icmp_seq=7 ttl=64 time=0.588 ms 64 bytes from 131.188.30.102: icmp_seq=8 ttl=64 time=0.517 ms 64 bytes from 131.188.30.102: icmp_seq=9 ttl=64 time=0.445 ms 64 bytes from 131.188.30.102: icmp_seq=10 ttl=64 time=0.374 ms
--- 131.188.30.102 ping statistics ---10 packets transmitted, 10 received, 0% packet loss, time 8996ms rtt min/avg/max/mdev = 0.264/42.447/419.606/125.719 ms (thinkpad) [~] ping 131.188.30.102 PING 131.188.30.102 (131.188.30.102) 56(84) bytes of data. 64 bytes from 131.188.30.102: icmp_seq=1 ttl=64 time=0.547 ms 64 bytes from 131.188.30.102: icmp_seq=2 ttl=64 time=0.502 ms 64 bytes from 131.188.30.102: icmp_seq=3 ttl=64 time=0.402 ms 64 bytes from 131.188.30.102: icmp_seq=4 ttl=64 time=0.329 ms
--- 131.188.30.102 ping statistics ---4 packets transmitted, 4 received, 0% packet loss, time 2998ms rtt min/avg/max/mdev = 0.329/0.445/0.547/0.085 ms (thinkpad) [~] ping 131.188.30.102 PING 131.188.30.102 (131.188.30.102) 56(84) bytes of data. 64 bytes from 131.188.30.102: icmp_seq=1 ttl=64 time=0.301 ms 64 bytes from 131.188.30.102: icmp_seq=2 ttl=64 time=0.753 ms 64 bytes from 131.188.30.102: icmp_seq=3 ttl=64 time=0.681 ms 64 bytes from 131.188.30.102: icmp_seq=4 ttl=64 time=0.609 ms 64 bytes from 131.188.30.102: icmp_seq=5 ttl=64 time=0.538 ms 64 bytes from 131.188.30.102: icmp_seq=6 ttl=64 time=0.466 ms 64 bytes from 131.188.30.102: icmp_seq=7 ttl=64 time=0.374 ms 64 bytes from 131.188.30.102: icmp_seq=8 ttl=64 time=0.308 ms
--- 131.188.30.102 ping statistics ---8 packets transmitted, 8 received, 0% packet loss, time 6993ms rtt min/avg/max/mdev = 0.301/0.503/0.753/0.161 ms (thinkpad) [~] ping www.heise.de PING www.heise.de (193.99.144.85) 56(84) bytes of data. 64 bytes from www.heise.de (193.99.144.85): icmp_seq=1 ttl=246 time=1019 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=2 ttl=246 time=15.8 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=3 ttl=246 time=1000 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=4 ttl=246 time=360 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=5 ttl=246 time=39.1 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=6 ttl=246 time=360 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=7 ttl=246 time=1000 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=8 ttl=246 time=360 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=9 ttl=246 time=360 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=10 ttl=246 time=360 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=11 ttl=246 time=1000 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=12 ttl=246 time=319 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=13 ttl=246 time=20.5 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=14 ttl=246 time=350 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=15 ttl=246 time=792 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=16 ttl=246 time=350 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=17 ttl=246 time=1000 ms
--- www.heise.de ping statistics ---18 packets transmitted, 17 received, 5% packet loss, time 17013ms rtt min/avg/max/mdev = 15.835/512.385/1019.753/360.201 ms, pipe 2 (thinkpad) [~] ping www.google.de PING www.l.google.com (66.249.85.104) 56(84) bytes of data. 64 bytes from 66.249.85.104: icmp_seq=1 ttl=246 time=732 ms 64 bytes from 66.249.85.104: icmp_seq=2 ttl=246 time=999 ms 64 bytes from 66.249.85.104: icmp_seq=3 ttl=246 time=1000 ms 64 bytes from 66.249.85.104: icmp_seq=4 ttl=246 time=400 ms
--- www.l.google.com ping statistics ---5 packets transmitted, 4 received, 20% packet loss, time 4388ms rtt min/avg/max/mdev = 400.939/783.424/1000.436/246.402 ms, pipe 2 (thinkpad) [~] uname -a Linux thinkpad 2.6.17.7 #3 SMP Mon Jul 31 17:44:21 CEST 2006 i686 GNU/Linux (thinkpad) [~] date Mon Jul 31 17:47:39 CEST 2006 (thinkpad) [~] ping www.google.de PING www.l.google.com (66.249.85.99) 56(84) bytes of data. 64 bytes from 66.249.85.99: icmp_seq=1 ttl=246 time=13.3 ms 64 bytes from 66.249.85.99: icmp_seq=2 ttl=246 time=13.4 ms 64 bytes from 66.249.85.99: icmp_seq=3 ttl=246 time=13.4 ms 64 bytes from 66.249.85.99: icmp_seq=4 ttl=246 time=13.3 ms 64 bytes from 66.249.85.99: icmp_seq=5 ttl=246 time=13.2 ms 64 bytes from 66.249.85.99: icmp_seq=6 ttl=246 time=13.6 ms 64 bytes from 66.249.85.99: icmp_seq=7 ttl=246 time=13.6 ms 64 bytes from 66.249.85.99: icmp_seq=8 ttl=246 time=13.5 ms 64 bytes from 66.249.85.99: icmp_seq=9 ttl=246 time=13.4 ms 64 bytes from 66.249.85.99: icmp_seq=10 ttl=246 time=13.4 ms 64 bytes from 66.249.85.99: icmp_seq=11 ttl=246 time=13.3 ms
--- www.l.google.com ping statistics ---11 packets transmitted, 11 received, 0% packet loss, time 10002ms rtt min/avg/max/mdev = 13.287/13.451/13.689/0.188 ms (thinkpad) [~] ping www.heise.de PING www.heise.de (193.99.144.85) 56(84) bytes of data. 64 bytes from www.heise.de (193.99.144.85): icmp_seq=1 ttl=246 time=13.9 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=2 ttl=246 time=13.8 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=3 ttl=246 time=14.2 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=4 ttl=246 time=14.2 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=5 ttl=246 time=13.6 ms 64 bytes from www.heise.de (193.99.144.85): icmp_seq=6 ttl=246 time=13.5 ms
--- www.heise.de ping statistics ---6 packets transmitted, 6 received, 0% packet loss, time 4995ms
rtt min/avg/max/mdev = 13.561/13.906/14.279/0.274 ms
Thomas