// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2021 Facebook */ #include "vmlinux.h" #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> int run_cnt = 0; SEC("perf_event") int handler(struct pt_regs *ctx) { __sync_fetch_and_add(&run_cnt, 1); return 0; } char _license[] SEC("license") = "GPL";