Re: [PATCH bpf-next v2 1/4] selftests/bpf: convert get_current_cgroup_id_user to test_progs

On 8/6/24 12:55 AM, Alexis Lothoré (eBPF Foundation) wrote:

+void test_cgroup_get_current_cgroup_id(void) +{

• struct get_cgroup_id_kern *skel;
• const struct timespec req = {

• .tv_sec = 0,
  

• .tv_nsec = 1,
  

• };
• int cgroup_fd;
• __u64 ucgid;
• cgroup_fd = cgroup_setup_and_join(TEST_CGROUP);

missing close(cgroup_fd)

pw-bot: cr

• if (!ASSERT_OK_FD(cgroup_fd, "cgroup switch"))

• return;
  

• skel = get_cgroup_id_kern__open_and_load();
• if (!ASSERT_OK_PTR(skel, "load program"))

• goto cleanup_cgroup;
  

• if (!ASSERT_OK(get_cgroup_id_kern__attach(skel), "attach bpf program"))

• goto cleanup_progs;
  

• skel->bss->expected_pid = getpid();
• /* trigger the syscall on which is attached the tested prog */
• if (!ASSERT_OK(syscall(__NR_nanosleep, &req, NULL), "nanosleep"))

• goto cleanup_progs;
  

• ucgid = get_cgroup_id(TEST_CGROUP);
• ASSERT_EQ(skel->bss->cg_id, ucgid, "compare cgroup ids");

+cleanup_progs:

• get_cgroup_id_kern__destroy(skel);

+cleanup_cgroup:

• cleanup_cgroup_environment();

+}