1 // SPDX-License-Identifier: GPL-2.0
2 #include <test_progs.h>
3 #include "test_enable_stats.skel.h"
4 
5 void test_enable_stats(void)
6 {
7 	struct test_enable_stats *skel;
8 	int stats_fd, err, prog_fd;
9 	struct bpf_prog_info info;
10 	__u32 info_len = sizeof(info);
11 	int duration = 0;
12 
13 	skel = test_enable_stats__open_and_load();
14 	if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n"))
15 		return;
16 
17 	stats_fd = bpf_enable_stats(BPF_STATS_RUN_TIME);
18 	if (CHECK(stats_fd < 0, "get_stats_fd", "failed %d\n", errno)) {
19 		test_enable_stats__destroy(skel);
20 		return;
21 	}
22 
23 	err = test_enable_stats__attach(skel);
24 	if (CHECK(err, "attach_raw_tp", "err %d\n", err))
25 		goto cleanup;
26 
27 	test_enable_stats__detach(skel);
28 
29 	prog_fd = bpf_program__fd(skel->progs.test_enable_stats);
30 	memset(&info, 0, info_len);
31 	err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
32 	if (CHECK(err, "get_prog_info",
33 		  "failed to get bpf_prog_info for fd %d\n", prog_fd))
34 		goto cleanup;
35 	if (CHECK(info.run_time_ns == 0, "check_stats_enabled",
36 		  "failed to enable run_time_ns stats\n"))
37 		goto cleanup;
38 
39 	CHECK(info.run_cnt != skel->bss->count, "check_run_cnt_valid",
40 	      "invalid run_cnt stats\n");
41 
42 cleanup:
43 	test_enable_stats__destroy(skel);
44 	close(stats_fd);
45 }
46