Re: [PATCH bpf-next v4 6/7] selftests/bpf: Add selftests for new cgroup local storage

Martin KaFai Lau
2022-10-24T22:22:25Z

On 10/23/22 11:05 AM, Yonghong Song wrote:
> Add two tests for new cgroup local storage, one to test bpf program helpers
> and user space map APIs, and the other to test recursive fentry
> triggering won't deadlock.

Other than tracing, it will be very useful to add a bpf_cgrp_storage_get() usage
in a cgroup-bpf prog. Exercising this helper in the existing
SEC(cgroup)/SEC(sockops) tests should be pretty easy. eg. The
SEC("cgroup/connect6") in socket_cookie_prog.c.