[LSF/MM/BPF TOPIC] development/troubleshooting workflows for BPF

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Hi all,

Building upon the learnings and knowledge of BPF CI [0], I would like to present
ways that can help developpers make their workflow easier, and improve their
development and troubleshooting velocity.

While there is probably thousand different ways to get to the same result, and
people may have their personal preferences, I will be presenting an approach
which is close to what is used by the CI.
Feedback and suggestions would be greatly appreciated.


Some topics I have in mind:

- Reproducing CI error in CI environemt. Until recently, it was challenging to
  Re-using artifacts produced by the CI, how to reproduce
  the issue within the CI environment, and poke at the system.
- Building and running tests for a foreign architecture. Method to cross-compile
  and run tests for a foreign architecture.
- local development workflow. While most people may already have their own setup,
  here I am proposing a workflow which is simple and allow for fast iteration.
- bisecting issues: leveraging bpf selftests and vm testing, how to leverage
  `git bisect run` to "quickly", or at least with less friction, identify a bad
  commit.

Thanks,

Manu

[0]: https://github.com/kernel-patches/bpf




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