On 25.08.2013 16:42, Adrian Chadd wrote:
On 24 August 2013 10:09, Andre Oppermann <an...@freebsd.org
<mailto:an...@freebsd.org>> wrote:
On 24.08.2013 19:04, Adrian Chadd wrote:
I'm very close to starting an mbuf batching thing to use in a few
places like receive,
transmit and
transmit completion -> free path. I'd be interested in your
review/feedback and testing as
it sounds
like something you can easily stress test there. :)
I'd strongly recommend fixing a number of other places and collect
lower hanging fruit before starting with mbuf batching.
I'm open to suggestions.
Scott killed our high hanging fruit (VM / buffer page lifecycle) and what's
left is not very low. If
you have any recommendations, I'd love to hear them.
1. lle lock to rmlock.
2. if_addr and IN_ADDR locks to rmlocks.
3. routing table locking (rmlocks, and by doing away with rtentry locks and
refcounting
through copy-out on lookup and prohibition of having any pointers into the
rtable).
--
Andre
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