Dong Mo writes: > What I am trying to do is measure the delay of packets of the same > flow experienced in A under different queuing policies (sfq or > fq_codel). > > Is there a simple way to do this? I'm currently in the early planning stages for having something like this incorporated into the netperf-wrapper [1] testing tool. In the meantime, you could look at either thrulay [2] (old and apparently abandoned, but may work in one of its variants) as a measurement tool, or tcpprobe [3] to output statistics that can (probably) tell you. -Toke [1] https://github.com/tohojo/netperf-wrapper [2] http://e2epi.internet2.edu/thrulay/ http://thrulay-hd.sourceforge.net/ http://thrulay-ng.sourceforge.net/ [3] http://www.linuxfoundation.org/collaborate/workgroups/networking/tcpprobe