| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | /* Copyright (c) 2021 Facebook */ |
| 3 | #include "vmlinux.h" |
| 4 | #include <bpf/bpf_helpers.h> |
| 5 | #include <bpf/bpf_tracing.h> |
| 6 | |
| 7 | int run_cnt = 0; |
| 8 | |
| 9 | SEC("perf_event") |
| 10 | int handler(struct pt_regs *ctx) |
| 11 | { |
| 12 | __sync_fetch_and_add(&run_cnt, 1); |
| 13 | return 0; |
| 14 | } |
| 15 | |
| 16 | char _license[] SEC("license") = "GPL"; |
| 17 |