tools/testing/selftests/bpf/progs/loop2.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/progs/loop2.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/loop2.c
Extension
.c
Size
395 bytes
Lines
25
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// 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/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;
}

Annotation

Implementation Notes