[mirror_ubuntu-artful-kernel.git] / samples / bpf / test_overhead_tp_kern.c

/* Copyright (c) 2016 Facebook
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 */
#include <uapi/linux/bpf.h>
#include "bpf_helpers.h"

/* from /sys/kernel/debug/tracing/events/task/task_rename/format */
struct task_rename {
	__u64 pad;
	__u32 pid;
	char oldcomm[16];
	char newcomm[16];
	__u16 oom_score_adj;
};
SEC("tracepoint/task/task_rename")
int prog(struct task_rename *ctx)
{
	return 0;
}

/* from /sys/kernel/debug/tracing/events/random/urandom_read/format */
struct urandom_read {
	__u64 pad;
	int got_bits;
	int pool_left;
	int input_left;
};
SEC("tracepoint/random/urandom_read")
int prog2(struct urandom_read *ctx)
{
	return 0;
}
char _license[] SEC("license") = "GPL";
Commit	Line	Data
e3edfdec AS	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")
	19	int 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")
	32	int prog2(struct urandom_read *ctx)
	33	{
	34	return 0;
	35	}
	36	char _license[] SEC("license") = "GPL";