[ovs-git] [openvswitch/ovs] 9ff24b: netdev-dpdk: Track vhost tx contention.

[David Marchand]

  Branch: refs/heads/master
  Home:   https://github.com/openvswitch/ovs
  Commit: 9ff24b9c9323652f9dc80ff7928148c4af12da9c
      https://github.com/openvswitch/ovs/commit/9ff24b9c9323652f9dc80ff7928148c4af12da9c
  Author: David Marchand <david.marchand at redhat.com>
  Date:   2019-11-08 (Fri, 08 Nov 2019)

  Changed paths:
    M lib/netdev-dpdk.c

  Log Message:
  -----------
  netdev-dpdk: Track vhost tx contention.

Add a coverage counter to help diagnose contention on the vhost txqs.
This is seen as dropped packets on the physical ports for rates that
are usually handled fine by OVS.

Acked-by: Eelco Chaudron <echaudro at redhat.com>
Signed-off-by: David Marchand <david.marchand at redhat.com>
Signed-off-by: Ilya Maximets <i.maximets at ovn.org>