1 // SPDX-License-Identifier: GPL-2.0 2 3 #include "vmlinux.h" 4 #include <bpf/bpf_helpers.h> 5 #include <bpf/usdt.bpf.h> 6 7 char _license[] SEC("license") = "GPL"; 8 9 int count; 10 11 SEC("usdt") 12 int usdt0(struct pt_regs *ctx) 13 { 14 count++; 15 return 0; 16 } 17