1// SPDX-License-Identifier: GPL-2.0
2#include <stdio.h>
3#include <unistd.h>
4#include <bpf/libbpf.h>
5#include "trace_helpers.h"
6
7int main(int ac, char **argv)
8{
9	struct bpf_link *link = NULL;
10	struct bpf_program *prog;
11	struct bpf_object *obj;
12	char filename[256];
13	FILE *f;
14
15	snprintf(filename, sizeof(filename), "%s.bpf.o", argv[0]);
16	obj = bpf_object__open_file(filename, NULL);
17	if (libbpf_get_error(obj)) {
18		fprintf(stderr, "ERROR: opening BPF object file failed\n");
19		return 0;
20	}
21
22	prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
23	if (!prog) {
24		fprintf(stderr, "ERROR: finding a prog in obj file failed\n");
25		goto cleanup;
26	}
27
28	/* load BPF program */
29	if (bpf_object__load(obj)) {
30		fprintf(stderr, "ERROR: loading BPF object file failed\n");
31		goto cleanup;
32	}
33
34	link = bpf_program__attach(prog);
35	if (libbpf_get_error(link)) {
36		fprintf(stderr, "ERROR: bpf_program__attach failed\n");
37		link = NULL;
38		goto cleanup;
39	}
40
41	f = popen("taskset 1 ping -c5 localhost", "r");
42	(void) f;
43
44	read_trace_pipe();
45
46cleanup:
47	bpf_link__destroy(link);
48	bpf_object__close(obj);
49	return 0;
50}
51