ebpf-support

ebpf-support

A Node.js package to check if the system supports eBPF and return related metadata.

Installation

npm install ebpf-support

Usage

const { isEbpfSupported, checkEbpfSupport } = require('ebpf-support');

// Simple check
if (isEbpfSupported()) {
  console.log('eBPF is supported on this system');
} else {
  console.log('eBPF is not supported on this system');
}

// Get detailed metadata
const metadata = checkEbpfSupport();
console.log(metadata);

Metadata

The checkEbpfSupport() function returns an object with the following properties:

Property	Type	Description
supported	boolean	Whether eBPF is supported on the system
kernelVersion	string	The kernel version of the system
bpfConfigEnabled	boolean	Whether BPF is enabled in the kernel config
bpfSyscallEnabled	boolean	Whether BPF syscall is enabled
bpfJitEnabled	boolean	Whether BPF JIT compiler is enabled
bpfJitAlwaysOn	boolean	Whether BPF JIT is always on
bpfFilesystemMounted	boolean	Whether BPF filesystem is mounted
bpfToolAvailable	boolean	Whether bpftool is available on the system
bpfFeatures	object	Detailed BPF features from bpftool (if available)
configFlags	object	BPF-related kernel config flags
reason	string	Reason why eBPF is not supported (if applicable)

Requirements

• Node.js 16.0.0 or later
• Linux operating system (eBPF is only supported on Linux)

Testing

Run the tests using Node.js's built-in test runner:

npm test

License

MIT