1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright Leon Hwang */ 3 4 #include "vmlinux.h" 5 #include <bpf/bpf_helpers.h> 6 #include <bpf/bpf_tracing.h> 7 8 int count = 0; 9 10 SEC("fentry/subprog_tail") 11 int BPF_PROG(fentry, struct sk_buff *skb) 12 { 13 count++; 14 15 return 0; 16 } 17 18 char _license[] SEC("license") = "GPL"; 19