selftests/bpf: test_progs: remove global fail/success counts
[muen/linux.git] / tools / testing / selftests / bpf / prog_tests / stacktrace_map_raw_tp.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include <test_progs.h>
3
4 void test_stacktrace_map_raw_tp(void)
5 {
6         const char *prog_name = "tracepoint/sched/sched_switch";
7         int control_map_fd, stackid_hmap_fd, stackmap_fd;
8         const char *file = "./test_stacktrace_map.o";
9         __u32 key, val, duration = 0;
10         int err, prog_fd;
11         struct bpf_program *prog;
12         struct bpf_object *obj;
13         struct bpf_link *link = NULL;
14
15         err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT, &obj, &prog_fd);
16         if (CHECK(err, "prog_load raw tp", "err %d errno %d\n", err, errno))
17                 return;
18
19         prog = bpf_object__find_program_by_title(obj, prog_name);
20         if (CHECK(!prog, "find_prog", "prog '%s' not found\n", prog_name))
21                 goto close_prog;
22
23         link = bpf_program__attach_raw_tracepoint(prog, "sched_switch");
24         if (CHECK(IS_ERR(link), "attach_raw_tp", "err %ld\n", PTR_ERR(link)))
25                 goto close_prog;
26
27         /* find map fds */
28         control_map_fd = bpf_find_map(__func__, obj, "control_map");
29         if (CHECK_FAIL(control_map_fd < 0))
30                 goto close_prog;
31
32         stackid_hmap_fd = bpf_find_map(__func__, obj, "stackid_hmap");
33         if (CHECK_FAIL(stackid_hmap_fd < 0))
34                 goto close_prog;
35
36         stackmap_fd = bpf_find_map(__func__, obj, "stackmap");
37         if (CHECK_FAIL(stackmap_fd < 0))
38                 goto close_prog;
39
40         /* give some time for bpf program run */
41         sleep(1);
42
43         /* disable stack trace collection */
44         key = 0;
45         val = 1;
46         bpf_map_update_elem(control_map_fd, &key, &val, 0);
47
48         /* for every element in stackid_hmap, we can find a corresponding one
49          * in stackmap, and vise versa.
50          */
51         err = compare_map_keys(stackid_hmap_fd, stackmap_fd);
52         if (CHECK(err, "compare_map_keys stackid_hmap vs. stackmap",
53                   "err %d errno %d\n", err, errno))
54                 goto close_prog;
55
56         err = compare_map_keys(stackmap_fd, stackid_hmap_fd);
57         if (CHECK(err, "compare_map_keys stackmap vs. stackid_hmap",
58                   "err %d errno %d\n", err, errno))
59                 goto close_prog;
60
61 close_prog:
62         if (!IS_ERR_OR_NULL(link))
63                 bpf_link__destroy(link);
64         bpf_object__close(obj);
65 }