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