mirror/xdp-project-bpf-examples
1
0
Fork 0
mirror of https://github.com/xdp-project/bpf-examples.git synced 2024-05-06 15:54:53 +00:00
Code Issues Projects Releases Wiki Activity

ktrace-CO-RE: ktrace01 userspace side cleanup program

Browse Source 
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
This commit is contained in:
Jesper Dangaard Brouer
2021-06-24 11:40:41 +02:00
parent 4dc38c35b9
commit 7a05622440
1 changed files with 3 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
ktrace-CO-RE/ktrace01.c
View File

@@ -72,6 +72,7 @@ int main(int argc, char **argv)
err = -ENOENT;
goto out;
}
printf("Loaded BPF file %s\n", filename);
link = bpf_program__attach(prog);
err = libbpf_get_error(link);
@@ -81,25 +82,10 @@ int main(int argc, char **argv)
goto out;
}
printf("Loaded BPF file %s\n", filename);
printf( "Press any key + enter to unload program again [Y/y]:");
//c = getchar();
//putchar(c);
printf("Attached and reading trace_pipe\n");
printf(" - Press Ctrl-C to unload program again\n");
read_trace_pipe();
// snprintf(pin_file, sizeof(pin_file), "/sys/fs/bpf/%s", argv[0]);
/*
pin_file = "/sys/fs/bpf/ktrace01";
err = bpf_link__pin(link, pin_file);
printf("pin_file %s\n", pin_file);
if (err) {
libbpf_strerror(err, buf, sizeof(buf));
pr_err("Error(%d) pinning: %s\n", err, buf);
goto out;
}
printf("Loaded BPF file %s (pinned at %s)\n", filename, pin_file);
*/
out:
bpf_link__destroy(link);
bpf_object__close(obj);