1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <stdio.h>
3*4882a593Smuzhiyun #include <unistd.h>
4*4882a593Smuzhiyun #include <bpf/libbpf.h>
5*4882a593Smuzhiyun #include "trace_helpers.h"
6*4882a593Smuzhiyun
main(int ac,char ** argv)7*4882a593Smuzhiyun int main(int ac, char **argv)
8*4882a593Smuzhiyun {
9*4882a593Smuzhiyun struct bpf_link *link = NULL;
10*4882a593Smuzhiyun struct bpf_program *prog;
11*4882a593Smuzhiyun struct bpf_object *obj;
12*4882a593Smuzhiyun char filename[256];
13*4882a593Smuzhiyun FILE *f;
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
16*4882a593Smuzhiyun obj = bpf_object__open_file(filename, NULL);
17*4882a593Smuzhiyun if (libbpf_get_error(obj)) {
18*4882a593Smuzhiyun fprintf(stderr, "ERROR: opening BPF object file failed\n");
19*4882a593Smuzhiyun return 0;
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
23*4882a593Smuzhiyun if (!prog) {
24*4882a593Smuzhiyun fprintf(stderr, "ERROR: finding a prog in obj file failed\n");
25*4882a593Smuzhiyun goto cleanup;
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun /* load BPF program */
29*4882a593Smuzhiyun if (bpf_object__load(obj)) {
30*4882a593Smuzhiyun fprintf(stderr, "ERROR: loading BPF object file failed\n");
31*4882a593Smuzhiyun goto cleanup;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun link = bpf_program__attach(prog);
35*4882a593Smuzhiyun if (libbpf_get_error(link)) {
36*4882a593Smuzhiyun fprintf(stderr, "ERROR: bpf_program__attach failed\n");
37*4882a593Smuzhiyun link = NULL;
38*4882a593Smuzhiyun goto cleanup;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun f = popen("taskset 1 ping -c5 localhost", "r");
42*4882a593Smuzhiyun (void) f;
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun read_trace_pipe();
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun cleanup:
47*4882a593Smuzhiyun bpf_link__destroy(link);
48*4882a593Smuzhiyun bpf_object__close(obj);
49*4882a593Smuzhiyun return 0;
50*4882a593Smuzhiyun }
51