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| author | Yafang Shao <laoar.shao@gmail.com> | 2023-11-11 09:00:29 +0000 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-11-14 08:56:56 -0800 |
| commit | fe977716b40cb98cf9c91a66454adf3dc2f8c59a (patch) | |
| tree | 928fa01e194fc04f3471c9e908d7c3fcd95e479b /tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c | |
| parent | 727a92d62fd6a382b4c5972008e45667e707b0e4 (diff) | |
bpf: Add a new kfunc for cgroup1 hierarchy
A new kfunc is added to acquire cgroup1 of a task:
- bpf_task_get_cgroup1
Acquires the associated cgroup of a task whithin a specific cgroup1
hierarchy. The cgroup1 hierarchy is identified by its hierarchy ID.
This new kfunc enables the tracing of tasks within a designated
container or cgroup directory in BPF programs.
Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20231111090034.4248-2-laoar.shao@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c')
0 files changed, 0 insertions, 0 deletions