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Nov 24, 2021 · Fundamentals

Unlocking the Secrets of the eBPF Virtual Machine: Registers, Bytecode, and Kernel Calls

This article delves into the eBPF virtual machine's architecture, detailing its register set, instruction classes, kernel helper invocation, and step‑by‑step analysis of sample bytecode that counts network packets, providing a solid foundation for advanced eBPF tooling.