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