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From Idea to JEP: An OpenJDK Developer’s Journey to Improve Profiling (gpn24) episode artwork

EPISODE · Jun 6, 2026 · 46 MIN

From Idea to JEP: An OpenJDK Developer’s Journey to Improve Profiling (gpn24)

from Chaos Computer Club - recent audio-only feed · host Johannes Bechberger

OpenJDK is the main project behind Java and already has a profiler for performance assessment. But till recently, it wasn't a good one. So four years ago, only weeks into my first job, I decided to change that. But guess what: Getting a big feature into OpenJDK/Java's runtime isn't as easy as I thought. In this talk, I chronicle my journey of getting a new profiler into JDK 25. It's a tale of blood, sweat, and C++. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://cfp.gulas.ch/gpn24/talk/9MNRXX/

What this episode covers

OpenJDK is the main project behind Java and already has a profiler for performance assessment. But till recently, it wasn't a good one. So four years ago, only weeks into my first job, I decided to change that. But guess what: Getting a big feature into OpenJDK/Java's runtime isn't as easy as I thought. In this talk, I chronicle my journey of getting a new profiler into JDK 25. It's a tale of blood, sweat, and C++. Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://cfp.gulas.ch/gpn24/talk/9MNRXX/

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From Idea to JEP: An OpenJDK Developer’s Journey to Improve Profiling (gpn24)

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How long is this episode of Chaos Computer Club - recent audio-only feed?

This episode is 46 minutes long.

When was this Chaos Computer Club - recent audio-only feed episode published?

This episode was published on June 6, 2026.

What is this episode about?

OpenJDK is the main project behind Java and already has a profiler for performance assessment. But till recently, it wasn't a good one. So four years ago, only weeks into my first job, I decided to change that. But guess what: Getting a big feature...

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