Johannes Bechberger • 7/29/2025

Profiling idea (unsorted from March 2025)

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This article presents unfiltered technical notes from March 2025 on improving Java Flight Recorder (JFR) profiling. It discusses problems with signal handlers, queue synchronization, and class unloading during garbage collection, proposing ideas inspired by unbiased safepoint-based stack walking. It's a deep dive into low-level JVM profiling internals for OpenJDK contributors.

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#profiling #jvm #Openjdk
Profiling idea (unsorted from March 2025)

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