linux-zen-server/tools/testing/selftests/bpf/progs/test_tracepoint.c

26 lines
534 B
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2017 Facebook
#include <vmlinux.h>
#include <bpf/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[TASK_COMM_LEN];
int prev_pid;
int prev_prio;
long long prev_state;
char next_comm[TASK_COMM_LEN];
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";