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 <uapi/linux/bpf.h> 8 #include "bpf_helpers.h" 9 10 /* from /sys/kernel/debug/tracing/events/task/task_rename/format */ 11 struct task_rename { 12 __u64 pad; 13 __u32 pid; 14 char oldcomm[16]; 15 char newcomm[16]; 16 __u16 oom_score_adj; 17 }; 18 SEC("tracepoint/task/task_rename") prog(struct task_rename * ctx)19int prog(struct task_rename *ctx) 20 { 21 return 0; 22 } 23 24 /* from /sys/kernel/debug/tracing/events/random/urandom_read/format */ 25 struct urandom_read { 26 __u64 pad; 27 int got_bits; 28 int pool_left; 29 int input_left; 30 }; 31 SEC("tracepoint/random/urandom_read") prog2(struct urandom_read * ctx)32int prog2(struct urandom_read *ctx) 33 { 34 return 0; 35 } 36 char _license[] SEC("license") = "GPL"; 37