On 27 December 2011 22:32, Juli Mallett <jmall...@freebsd.org> wrote:

> Reloading of mbufs into DMA descriptors?  mbuf allocator overhead
> itself?  Interrupts.  Context switches under constant heavy load.
> Some indirection in the network stack.

Keeping caches primed? Not doing lots of very-deep-stack stuff for
each packet, which is the bane of all current kernel-space UNIX
implementations of frame forwarding? :)


Adrian
_______________________________________________
freebsd-net@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-net
To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"

Reply via email to