| // SPDX-License-Identifier: GPL-2.0 | |
| // Copyright (c) 2017 Facebook | |
| #include <linux/bpf.h> | |
| #include "bpf_helpers.h" | |
| /* taken from /sys/kernel/debug/tracing/events/sched/sched_switch/format */ | |
| struct sched_switch_args { | |
| unsigned long long pad; | |
| char prev_comm[16]; | |
| int prev_pid; | |
| int prev_prio; | |
| long long prev_state; | |
| char next_comm[16]; | |
| int next_pid; | |
| int next_prio; | |
| }; | |
| SEC("tracepoint/sched/sched_switch") | |
| int oncpu(struct sched_switch_args *ctx) | |
| { | |
| return 0; | |
| } | |
| char _license[] SEC("license") = "GPL"; | |
| __u32 _version SEC("version") = 1; /* ignored by tracepoints, required by libbpf.a */ |