Thanks all for attending today. Below you may find the notes from the call. We
will be skipping the next call and resuming on Jan 10. See you all in the new
year!
=== Status ===
Yonghong:
- bcc: Fixed struct with alignment/int128 quirks
- match in python
- kernel: query prog array
- used for event hooks with multiple programs attached
- debugging use case
- kernel: uprobe speedup patch landed
Jesper:
- submitted
Quentin:
- working on bpf syscall man page / helpers man page
- where should this work go?
- A: should go in kernel.org somewhere
git.kernel.org (this includes kernel, libc, etc.)
if automatically generated, need to occassionally sync from kernel to
manpage repo
sync once per release
- contact Michael Kerisk
Jiong:
- Continuing 32bit bpf support in clang
- support for rotate instruction? more optimal than shift combinations
- benchmark with jhash inlined use cases
- send experimental patches to yonghong/daniel
Daniel:
- Some ptregs fixes into bpf tree
- Adding development documentation
- Fixes for some jits
- Work continues on bpf qdisc
John:
- Porting sockmap for other use case (ULP layer)
- Reviewing call patches from Alexei
Rony:
- Q: Progress on BPF offload?
- A: not much discussion yet
- What does a BPF (offloaded) -> BPF (XDP) interface look like?
- some vendors may accept P4 -> microcode (through firmware api)
that can as fallback be compiled into BPF
- should we avoid an out of band api for offloading the parsing program
into silicon?
- John has tried such APIs in the past, and rejected due to not wanting
to add new api besides bpf+tc
=== Attendees ===
Brenden Blanco
Jakub Kicinski
Jiong Wang
Quentin Monnet
Rony Efraim
Mauricio Vasquez
Andy Gospodarek
Alexei Starovoitov
Yonghong Song
Daniel Borkmann
John Fastabend
Brendan Gregg
Nic Viljoen
Edwin Peer
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