1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
| // SPDX-License-Identifier: GPL-2.0
|
| #include <linux/bpf.h>
| #include <bpf/bpf_helpers.h>
| #include <bpf/bpf_tracing.h>
|
| #include <sys/types.h>
|
| pid_t pid = 0;
| long ret = 0;
| void *user_ptr = 0;
| char buf[256] = {};
|
| SEC("tracepoint/syscalls/sys_enter_nanosleep")
| int on_write(void *ctx)
| {
| if (pid != (bpf_get_current_pid_tgid() >> 32))
| return 0;
|
| ret = bpf_probe_read_user_str(buf, sizeof(buf), user_ptr);
|
| return 0;
| }
|
| char _license[] SEC("license") = "GPL";
|
|
