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