Merge tag 'xfs-5.20-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
[linux-2.6-microblaze.git] / samples / bpf / test_overhead_tp_kern.c
1 /* Copyright (c) 2016 Facebook
2  *
3  * This program is free software; you can redistribute it and/or
4  * modify it under the terms of version 2 of the GNU General Public
5  * License as published by the Free Software Foundation.
6  */
7 #include <linux/sched.h>
8 #include <uapi/linux/bpf.h>
9 #include <bpf/bpf_helpers.h>
10
11 /* from /sys/kernel/debug/tracing/events/task/task_rename/format */
12 struct task_rename {
13         __u64 pad;
14         __u32 pid;
15         char oldcomm[TASK_COMM_LEN];
16         char newcomm[TASK_COMM_LEN];
17         __u16 oom_score_adj;
18 };
19 SEC("tracepoint/task/task_rename")
20 int prog(struct task_rename *ctx)
21 {
22         return 0;
23 }
24
25 /* from /sys/kernel/debug/tracing/events/random/urandom_read/format */
26 struct urandom_read {
27         __u64 pad;
28         int got_bits;
29         int pool_left;
30         int input_left;
31 };
32 SEC("tracepoint/random/urandom_read")
33 int prog2(struct urandom_read *ctx)
34 {
35         return 0;
36 }
37 char _license[] SEC("license") = "GPL";