You could add support for your qdisc to OVS, including support for queue statistics.
On Sun, Jul 24, 2016 at 06:19:37PM +0000, fatt 3issam wrote: > I get what you said but as I mentioned my goal is to get those stats with > OpenFlow so it's not a matter of seeing the packets being dropped it's about > the counter itself that registers them.when using tc -s I can indeed see them > but only the tx I need both tx and rx + when I request port stats using > OpenFlow the counters are always 0 like with ifconfig! > is there any other tool that can make packets drop on veth interfaces or is > there any possible way that I can register the correct port stats? > Best regards.--------------------------------- > > > Date: Sun, 24 Jul 2016 11:05:27 -0700 > > From: b...@ovn.org > > To: fat...@hotmail.com > > CC: discuss@openvswitch.org > > Subject: Re: [ovs-discuss] ifconfig counters issue! > > > > On Sun, Jul 24, 2016 at 10:29:43AM +0000, fatt 3issam wrote: > > > I'm trying to test poor connexion networks. So in a simple linear > > > topology (host1 ---- switch1 ------ (s2-eth2)switch2(s2-eth1) ----- > > > host2) I created packet loss (50%) in the interface s2-eth2 using the tc > > > command, I pinged from host1 to host2 and indeed the ping results are > > > around the 50% loss. Now the problem is when I try to prove these results > > > with ifconfig I'm seeing that the rx/tx drop counts are always 0 (the > > > same goes for the errors/overruns/collisions counters with their specific > > > tests of course)!!! > > > P.S: I also tried to jam the network by creating some background trafic > > > with iperf tool but still seeing 0s! > > > How can I affect ifconfig counters or how to actually make veth > > > interfaces feel what's going on! because I need to have those numbers > > > registred on the port's stats to get them from OpenFlow after!! > > > I hope that this issue is clear and thanks in advance.Best regards. > > > > > > > This doesn't seem to have anything to do with OVS. > > > > I believe that when TC drops a packet, the drops will be accounted by > > the packet scheduler rather than by the interface, so you should be able > > to use some "tc -s" command to view drops. > _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
