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Discover how to diagnose and troubleshoot Linux SMB and NFS client issues using eBPF-based tools and the Always-On Diagnostics (AOD) daemon in this 46-minute conference talk. Learn to address common questions like "Why is my application slow?" and "What caused it to crash?" through improved observability and automated diagnostic capture. Explore the evolution of diagnostic tools originally introduced for Linux SMB clients at SambaXP 2025, now expanded to support NFS clients as well. Examine standalone eBPF scripts that capture valuable diagnostic data during real-world anomalous scenarios, then delve into the technical architecture of the AOD daemon and how these tools integrate into its monitoring system. Watch a live demonstration of the complete diagnostics workflow, showing how AOD automatically detects anomalies, collects relevant logs, and helps pinpoint client-side issues as they occur. Understand how to extend or adapt these eBPF scripts for custom observability needs and gain insights into the daemon's ability to continuously monitor for anomalies and capture hard-to-reproduce issues. Contribute feedback to help shape the future development of these open-source tools for the broader Linux SMB and NFS community. The session begins with foundational eBPF explanations before progressing to advanced concepts, making it accessible regardless of prior eBPF experience.
