> -----Original Message----- > From: gowrishankar [mailto:gowrishanka...@linux.vnet.ibm.com] > Sent: Wednesday, June 17, 2015 6:32 PM > To: Traynor, Kevin; Ben Pfaff > Cc: jayachandran.subraman...@wipro.com; subramani.paramasi...@wipro.com; > pritesh.shi...@wipro.com; b...@openvswitch.org > Subject: Re: [ovs-discuss] OVS dump-ports getting errors while traffic > flowing > > On Wednesday 17 June 2015 08:57 PM, Traynor, Kevin wrote: > >> > >>> Hi , > >>> > >>> We have brought up topology as below with OpenVSwitch 2.3.9 /DPDK enabled > . > >>> > >>> Sending 128 bytes of frame as bidirectional from Agilent N2X(traffic > >> generator) and observed that , in OVS we have found many errors(marked in > red > >> colour) in dump-ports. > >>> [cid:image002.png@01D0A862.7AF5B9D0] > > Just checking - you are using OVS with DPDK and not OVDK as per the > diagram? > I see it is with dpdk as mentioned in the beginning of mail. > > <cut> > >> > >>> tx pkts=1180319172, bytes=?, drop=11522, errs=?, coll=? > > I'm not quite sure I understand your setup, but the first thing I would > check > > is that you are affinitising your cores so that you are not trying to run a > > pmd and other VM processing on the same core. You can use top -H and > taskset. > > I too noticed many other fields with value "?" for vhost-user port, > where as it is normally > showing packets/bytes count for other port types. I checked with both > ofctl dump-ports > and appctl dpctl/show -s . > > port 1: rx pkts=2581437, bytes=183201033, drop=0, errs=0, frame=0, > over=0, crc=0 > tx pkts=45101499, bytes=67075737796, drop=0, errs=0, coll=0 > port 2: rx pkts=45101499, bytes=?, drop=?, errs=?, frame=?, over=?, > crc=? > tx pkts=2581370, bytes=?, drop=0, errs=?, coll=? > > As per netdev_dpdk_vhost_get_stats(), only rx/tx_packets and tx_drop > counts are supported > and I was curious to know logic behind it, though I am checking code to > assist myself. > > Could anyone clarify on why only packets count are supported for dpdk ?
No real technical reason, just a legacy of the switch over to the DPDK vhost library and the byte values not being exposed. There should be a patch to add some of them very shortly. > > Regards, > Gowri Shankar _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
