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") prog(struct task_rename * ctx)20int 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") prog2(struct urandom_read * ctx)33int prog2(struct urandom_read *ctx) 34 { 35 return 0; 36 } 37 char _license[] SEC("license") = "GPL"; 38