Hi All,
Thanks for a great meeting today, lots of good discussions and updates! Here
are the notes for those that missed it.
Yonghong:
LLVM fixes:
- data/data_end comparison handling
- read only section improved
- proper handling of struct init
- please pick up llvm 5.0 to get them
(looking into backporting)
upcoming:
- loop unrolling
(avoid instruction limits)
- uprobe performance
- in production = unusable
- dyninst
Martin:
- bpf prog id
- committed
what next?
- extra program info
- function name from symbol table?
- map ids used by program?
- load time/age?
- lru map
- improve performance
Brenden:
- No updates, but requests from others for:
- status on pktgen+bpf
- static library on fedora linker issue
Daniel:
- mechanism to share xdp -> skb metadata
- use case: extracting metadata from ip options - remove before gro
- use in tc ingress, mark, etc.
- discussion:
scratch space for nic drivers?
xdp programs for parsing
similar use case from others on the call
John:
- redirect patch ongoing
- how to handle m:n queueing/locking?
- planning to submit as-is, unless the current approach has future uapi
implications
- good performance numbers
Brendan:
Plumbers/OSSNA:
- giving talk on wed
- added some topics to wiki, please add yours directly to the "Talk proposals"
section
Attendees:
Yonghong Song
Suchakra Sharma
Nic Viljoen
Mauricio Vasquez
Martin KaFai Lau
John Fastabend
Jesper Brouer
Jakub Kicinski
Genevieve Bastien
Edwinn Peer
Daniel Borkmann
Brenden Blanco
Brendan Gregg
Andy Gospodarek
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