1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2017 Facebook
3
4#include <vmlinux.h>
5#include <bpf/bpf_helpers.h>
6
7/* taken from /sys/kernel/tracing/events/sched/sched_switch/format */
8struct sched_switch_args {
9	unsigned long long pad;
10	char prev_comm[TASK_COMM_LEN];
11	int prev_pid;
12	int prev_prio;
13	long long prev_state;
14	char next_comm[TASK_COMM_LEN];
15	int next_pid;
16	int next_prio;
17};
18
19SEC("tracepoint/sched/sched_switch")
20int oncpu(struct sched_switch_args *ctx)
21{
22	return 0;
23}
24
25char _license[] SEC("license") = "GPL";
26