bpf/progs/test_enable_stats.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 // Copyright (c) 2020 Facebook
0003
0004 #include <linux/bpf.h>
0005 #include <stdint.h>
0006 #include <linux/types.h>
0007 #include <bpf/bpf_helpers.h>
0008
0009 char _license[] SEC("license") = "GPL";
0010
0011 __u64 count = 0;
0012
0013 SEC("raw_tracepoint/sys_enter")
0014 int test_enable_stats(void *ctx)
0015 {
0016     __sync_fetch_and_add(&count, 1);
0017     return 0;
0018 }