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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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12345678910111213141516171819202122232425// SPDX-License-Identifier: GPL-2.0// Copyright (c) 2019 Facebook#include "vmlinux.h"#include <bpf/bpf_helpers.h>#include <bpf/bpf_tracing.h>
char _license[] SEC("license") = "GPL";
SEC("raw_tracepoint/kfree_skb")int nested_loops(volatile struct pt_regs* ctx){ int i, j, sum = 0, m;
for (j = 0; j < 300; j++) for (i = 0; i < j; i++) { if (j & 1) m = PT_REGS_RC(ctx); else m = j; sum += i * m; }
return sum;}