On Thu, 12 Apr 2007 10:59:19 -0700 Ben Greear <[EMAIL PROTECTED]> wrote: > > Here is a tcpdump of the connection in the stalled state. As you can see by > the 'time' output, it's running at around 100,000 packets per second. tcpdump > dropped the vast majority of these. Based on the network interface stats, I > believe both sides of the connection are sending acks at about the same > rate (about 160kpps when tcpdump is not running it seems).
Warning : tcpdump can lie, telling you packets being transmited several time. And yes, tcpdump slow things down because of enabling accurate timestamping of packets. > > > 10:46:46.541490 IP 20.20.20.20.33011 > 20.20.20.30.33012: . ack 48 win 6132 > <nop,nop,timestamp 85158912 84963208> > 10:46:46.541494 IP 20.20.20.30.33012 > 20.20.20.20.33011: . ack 1 win 114 > <nop,nop,timestamp 85158912 84963208> > 10:46:46.541567 IP 20.20.20.30.33012 > 20.20.20.20.33011: . ack 1 win 114 > <nop,nop,timestamp 85158912 84963208> > 10:46:46.541653 IP 20.20.20.30.33012 > 20.20.20.20.33011: . ack 1 win 114 > <nop,nop,timestamp 85158912 84963208> > 10:46:46.541886 IP 20.20.20.30.33012 > 20.20.20.20.33011: . ack 1 win 114 > <nop,nop,timestamp 85158912 84963208> > 10:46:46.541891 IP 20.20.20.20.33011 > 20.20.20.30.33012: . ack 48 win 6132 > <nop,nop,timestamp 85158912 84963208> > 10:46:46.541895 IP 20.20.20.30.33012 > 20.20.20.20.33011: . ack 1 win 114 > <nop,nop,timestamp 85158912 84963208> > 10:46:46.541988 IP 20.20.20.30.33012 > 20.20.20.20.33011: . ack 1 win 114 > <nop,nop,timestamp 85158912 84963208> > What "tc -s -d qdisc" "ifconfig -a" "cat /proc/interrupts" "cat /proc/net/sockstat" and "cat /proc/net/softnet_stat" are telling ? - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
