27 lines
596 B
C
27 lines
596 B
C
// 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 */
|