1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2023 Bytedance */
4 #include <sys/syscall.h>
5 #include <test_progs.h>
6 #include <cgroup_helpers.h>
7 #include "test_task_under_cgroup.skel.h"
11 void test_task_under_cgroup(void)
13 struct test_task_under_cgroup *skel;
17 foo = test__join_cgroup(FOO);
18 if (!ASSERT_OK(foo < 0, "cgroup_join_foo"))
21 skel = test_task_under_cgroup__open();
22 if (!ASSERT_OK_PTR(skel, "test_task_under_cgroup__open"))
25 skel->rodata->local_pid = getpid();
26 skel->bss->remote_pid = getpid();
27 skel->rodata->cgid = get_cgroup_id(FOO);
29 ret = test_task_under_cgroup__load(skel);
30 if (!ASSERT_OK(ret, "test_task_under_cgroup__load"))
33 /* First, attach the LSM program, and then it will be triggered when the
34 * TP_BTF program is attached.
36 skel->links.lsm_run = bpf_program__attach_lsm(skel->progs.lsm_run);
37 if (!ASSERT_OK_PTR(skel->links.lsm_run, "attach_lsm"))
40 skel->links.tp_btf_run = bpf_program__attach_trace(skel->progs.tp_btf_run);
41 if (!ASSERT_OK_PTR(skel->links.tp_btf_run, "attach_tp_btf"))
49 if (ASSERT_OK(ret, "fork process"))
52 test_task_under_cgroup__detach(skel);
54 ASSERT_NEQ(skel->bss->remote_pid, skel->rodata->local_pid,
55 "test task_under_cgroup");
58 test_task_under_cgroup__destroy(skel);