Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2019 Facebook
3#include "vmlinux.h"
4#include <bpf/bpf_helpers.h>
5#include <bpf/bpf_tracing.h>
6
7char _license[] SEC("license") = "GPL";
8
9SEC("raw_tracepoint/consume_skb")
10int while_true(volatile struct pt_regs* ctx)
11{
12 int i = 0;
13
14 while (true) {
15 if (PT_REGS_RC(ctx) & 1)
16 i += 3;
17 else
18 i += 7;
19 if (i > 40)
20 break;
21 }
22
23 return i;
24}