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