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The PNF feature is excellent for anyone doing performance debugging on Windows. If you see .pnf files next to your .etl traces, do not delete them unless you are running out of disk space—they are there to save you time.
A (Precompiled NTF) is generally considered a good feature in the context of Windows Performance Analyzer (WPA) and Event Tracing for Windows (ETW) . pnf file
