diff options
| author | Yafang Shao <laoar.shao@gmail.com> | 2023-11-11 12:00:33 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-11-14 19:56:56 +0300 |
| commit | bf47300b186facc8ae66a0e2aa89073565f82bb3 (patch) | |
| tree | 8f0984c7aca61bf4943026890864568a0c41c065 /tools/testing/selftests/bpf/cgroup_helpers.h | |
| parent | c1dcc050aa648bb3b831030d547c3fcc1c68140c (diff) | |
| download | linux-bf47300b186facc8ae66a0e2aa89073565f82bb3.tar.xz | |
selftests/bpf: Add a new cgroup helper get_cgroup_hierarchy_id()
A new cgroup helper function, get_cgroup1_hierarchy_id(), has been
introduced to obtain the ID of a cgroup1 hierarchy based on the provided
cgroup name. This cgroup name can be obtained from the /proc/self/cgroup
file.
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Link: https://lore.kernel.org/r/20231111090034.4248-6-laoar.shao@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/cgroup_helpers.h')
| -rw-r--r-- | tools/testing/selftests/bpf/cgroup_helpers.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.h b/tools/testing/selftests/bpf/cgroup_helpers.h index e71da4ef031b..ee053641c026 100644 --- a/tools/testing/selftests/bpf/cgroup_helpers.h +++ b/tools/testing/selftests/bpf/cgroup_helpers.h @@ -20,6 +20,7 @@ int get_root_cgroup(void); int create_and_get_cgroup(const char *relative_path); void remove_cgroup(const char *relative_path); unsigned long long get_cgroup_id(const char *relative_path); +int get_cgroup1_hierarchy_id(const char *subsys_name); int join_cgroup(const char *relative_path); int join_root_cgroup(void); |