WPR/WPA in Practice — An Introduction to System-Wide Performance Investigation for "the Whole PC Is Slow" (archived 2026-08-30)
Go Komura · Zenodo (CERN European Organization for Nuclear Research) · 2026
Performance problems such as "the whole PC is slow" or "startup is slow" that Task Manager cannot follow can be investigated by capturing and reading an OS-wide ETW trace with WPR/WPA. This article covers the capture procedure with wpr.exe and how to read CPU, waits, and disk I/O in WPA. Archived version of https://comcomponent.com/en/blog/wpr-wpa-system-performance-analysis/, as published on 2026-08-30. The live article is maintained and may change after this date. First published 2026-08-21.