| // SPDX-License-Identifier: GPL-2.0 | |
| // Copyright (c) 2019 Facebook | |
| #include <linux/sched.h> | |
| #include <linux/ptrace.h> | |
| #include <stdint.h> | |
| #include <stddef.h> | |
| #include <stdbool.h> | |
| #include <linux/bpf.h> | |
| #include "bpf_helpers.h" | |
| char _license[] SEC("license") = "GPL"; | |
| SEC("raw_tracepoint/consume_skb") | |
| int while_true(volatile struct pt_regs* ctx) | |
| { | |
| int i = 0; | |
| while (true) { | |
| if (PT_REGS_RC(ctx) & 1) | |
| i += 3; | |
| else | |
| i += 7; | |
| if (i > 40) | |
| break; | |
| } | |
| return i; | |
| } |