LTT (Linux Trace Toolkit) might do the trick. Jeff Haran Brocade Communications Systems > -----Original Message----- > From: linux-net-owner@xxxxxxxxxxxxxxx > [mailto:linux-net-owner@xxxxxxxxxxxxxxx]On Behalf Of > avdevichy@xxxxxxxx > Sent: Wednesday, August 02, 2006 2:36 AM > To: linux-net@xxxxxxxxxxxxxxx > Subject: Measure packet traverse time > > > > I am using laptop with linux debian, kernel 2.6.12. My > network configuration is following. Router is connected to > laptop and sending periodically UDP packets ( let say with > interval 100 ms) to laptop ethernet interface, this packets > are routed to wireless interface (which working like Madwifi > Access Point) and futher to wireless client. Routing of UDP > packets inside linux box made thanks to proper Iptables configuration. > Can anyone help to understand how i can measure packet > traverse time inside linux kernel, i mean the interval from > UDP packet coming to ethernet interface to time of packet > going out from wireless interface. Can i somehow connect the > packet arrival event with values(in microseconds) of kernel > time, same for outgoing packet? For routing, kernel probably > is using buffering, that means that packets going through > linux box can be served different time in microseconds. > Thank's in advance, > regards Yuri > > - > : send the line "unsubscribe > linux-net" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > > - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
