ebpf-expert

Explains eBPF architecture, programming models, and Linux use cases including networking, security, and observability.

Updated Feb 15, 2026

Search Tags:#security #networking #observability #tracing #ebpf #linux kernel #bcc

Ready to run

npx skills add https://github.com/Wbunker/skills-repo --skill ebpf-expert

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: ebpf-expert
Source: https://github.com/Wbunker/skills-repo/tree/main/ebpf-expert
Command: npx skills add https://github.com/Wbunker/skills-repo --skill ebpf-expert

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides comprehensive knowledge and operational guidance for eBPF, enabling users to understand, develop, and deploy eBPF programs for advanced system observability, networking, and security.

Core Features & Use Cases

eBPF Fundamentals: Explains core concepts like the eBPF VM, registers, instructions, and verifier.
Programming & Tools: Covers BCC, libbpf, bpftrace, and languages like C, Go, and Rust for eBPF development.
Use Cases: Debugging kernel issues, high-performance networking (XDP/TC), real-time security monitoring, and custom system observability.

Quick Start

Use the ebpf-expert skill to explain what eBPF is and its history.

Frequently Asked Questions about ebpf-expert

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

What is eBPF and how does it work in the Linux kernel?▼

eBPF is a virtual machine in the Linux kernel that runs sandboxed programs for system observability, networking, and security without modifying kernel source. It uses a verifier to ensure safe execution and supports custom tracing and monitoring.

How do I develop eBPF programs using BCC and libbpf?▼

You develop eBPF programs using BCC and libbpf by writing programs in C, Go, or Rust. These tools provide the necessary libraries and interfaces to compile, load, and attach eBPF code to kernel hooks for debugging and performance analysis.

Can I use eBPF for real-time security monitoring and high-performance networking?▼

Yes, eBPF supports real-time security monitoring and high-performance networking. It handles custom system observability and network traffic manipulation at the XDP and TC layers, enabling deep packet inspection and low-latency packet processing.

What are the limitations of the eBPF verifier?▼

The eBPF verifier imposes limitations by statically analyzing programs to ensure safety, restricting loops, and limiting register states. These constraints prevent infinite loops and crashes but require careful program design to pass verification.

What is the best way to debug kernel issues with eBPF?▼

The best way to debug kernel issues with eBPF is using bpftrace for quick tracing and BCC for complex scripts. These tools attach eBPF programs to kernel functions, allowing real-time analysis of system behavior without kernel recompilation.

Do I need to know C to write bpftrace scripts for observability?▼

While bpftrace uses its own high-level language, knowing C helps understand kernel structures and eBPF concepts. Bpftrace simplifies custom system observability, but deeper eBPF development with libbpf requires C for defining maps and helpers.