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Standard JDK API for reading JFR has possibility to pass an interval (start and end). Unfortunately, don't know any better way to do it. Even chunks can overlap.
Inject custom HTTP JFR events into your code and then open JFR in www.jeffrey-analyst.cafe :)
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I just updated the JFR events collection (sapmachine.io/jfrevents). It now includes JDK 25 and JDK 26 with my CPUTimeSample event:
Insightful session on advanced performance analysis with async-profiler, presented by Andrei Pangin.
🎥 www.youtube.com/watch?v=u7-S...
#Java #Performance #Profiling
TIL: since jdk22 you can use the JVM option -XX:LogClassLoadingCauseFor=com.mycompany.MyClass in conjunction with -Xlog:class+load+cause* to find out the stacktrace that triggers the load of the specify class.
see github.com/openjdk/jdk/...
