eBPF & Cilium for Platform Engineers

How eBPF Programs Run: Hooks, Events, and the Lifecycle

An eBPF program doesn't just 'run.' It attaches to a hook in the kernel and executes when a specific event fires (a packet arrives, a syscall is made, a function is called). Understanding this event-driven model is the key to everything.


The Concept Explained

Coming soon.


How It Works

Coming soon.


Practical Application

Coming soon.


Tradeoffs and Decision Framework

Coming soon.


Common Mistakes

Coming soon.


INTERVIEW QUESTION

How does an eBPF program actually get executed? Walk through the lifecycle from writing it to it running in the kernel on an event.