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5 Commits (3824b3d4797c89b88c2a1a56c77f3dcc72722829)

Author SHA1 Message Date
Andrew Werner e2cf734490 aya: Implement RingBuf 
This implements the userspace binding for RingBuf.

Instead of streaming the samples as heap buffers, the process_ring
function takes a callback to which we pass the event's byte region,
roughly following [libbpf]'s API design. This avoids a copy and allows
marking the consumer pointer in a timely manner.

[libbpf]: https://github.com/libbpf/libbpf/blob/master/src/ringbuf.c

Additionally, integration tests are added to demonstrate the usage
of the new APIs and to ensure that they work end-to-end.

Co-authored-by: William Findlay <william@williamfindlay.com>
Co-authored-by: Tatsuyuki Ishi <ishitatsuyuki@gmail.com>
Tuetuopay 0edc13b4d4 bpf: add a shared try_redirect_map function for XDP maps
Tuetuopay 579e3cee22 aya, bpf: misc fixes following review comments
Tuetuopay 46551de3e7 xtask: bless public-api
Dave Tucker f833f1fc1d xtask: Add cargo-public-api 
Adds cargo-public-api. This allows for public API changes to get caught
in CI, requiring new changes to be "blessed" by using:

  cargo xtask public-api --bless

When this file is changed for aya, Alessandro will need to review the PR.

Signed-off-by: Dave Tucker <dave@dtucker.co.uk>