Profiling idea (unsorted from March 2025)
Read OriginalThis 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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