On Thu, Aug 21, 2014 at 03:08:59PM +0000, Samuel Ghinet wrote: > I wanted to point out something about: > "At a high level, the fraction of packets that make it to userspace should be > very small. So it is not worth the optimization" > > If we have the port NORMAl (and perhaps, FLOOD) set, then the > queuing of packets to userspace happens very often. And at startup, > the queue (both in kernel and userspace) gets full quickly. > This port NORMAL also causes kernel flows to be created, set, > deleted and re-created, etc. During the time a kernel flow is > deleted and a new one is created, packets that used to have matching > flow now go to userspace.
I don't understand why use of NORMAL or FLOOD would increase the number of packets to userspace. Can you explain further? _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
