Network stack changes

[Luigi Rizzo]

On Fri, Sep 13, 2013 at 11:08:27AM -0400, George Neville-Neil wrote:
> 
> On Aug 29, 2013, at 7:49 , Adrian Chadd <adrian at freebsd.org> wrote:
...
> > I still have some tool coding to do with PMC before I even think about
> > tinkering with this as I'd like to measure stuff like per-packet latency as
> > well as top-level processing overhead (ie, CPU_CLK_UNHALTED.THREAD_P /
> > lagg0 TX bytes/pkts, RX bytes/pkts, NIC interrupts on that core, etc.)
> > 
> 
> This would be very useful in identifying the actual hot spots, and would be helpful
> to anyone who can generate a decent stream of packets with, say, an IXIA.

IXIA ? For the timescales we need to address we don't need an IXIA,
a netmap sender is more than enough

cheers
luigi