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Jun 5, 2024 · Operations

Observing Virtio‑Net NIC Queues with eBPF: A Practical Guide

This article explains how to extend eBPF to make virtio‑net NIC queue metrics observable, walks through the front‑end send/receive flow, defines key queue indices, integrates the probes into the rtrace tool, and demonstrates fault detection with real‑time data.