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Achievement: Starstruckx2Achievement: Pair Extraordinairex2Achievement: QuickdrawAchievement: Arctic Code Vault ContributorAchievement: Pull Sharkx2

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@sap-cloudfoundry @jvm-profiling-tools

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parttimenerd/README.md

Johannes Bechberger (@parttimenerd)

I'm a JVM engineer on the SapMachine team at SAP. I work on profiling tooling — async-profiler, JFR, FirefoxProfiler for Java — and created hello-ebpf, the first eBPF library for Java. I write about profiling, debugging, and the JVM internals at Mostly Nerdless.

Profiling OpenJDK Java Java Performance Debugging eBPF

🏆 Sessionize Most Active Speaker 2024 · ☕ Java MVP 2026

🎤 Upcoming talks

  • Sep 8 · Let's create a tiny AI library together · JavaZone · Oslo, Norway

  • Sep 23 · Let's create a tiny AI library together · Berlin Expert Days · Berlin, Germany

  • Oct 14 · You Are Running the Wrong Tests First · BaselOne · Basel, Switzerland · Program

  • Oct 21 · You Are Running the Wrong Tests First · Hello Stavanger · Stavanger, Norway · w/ Jake Hillion

  • Dec 7 · You Are Running the Wrong Tests First · Frankfurter IT-Tage · Frankfurt, Germany

📝 Recent posts

→ All posts at Mostly Nerdless

Auto-generated from parttimenerd.github.io

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  1. intellij-profiler-plugin intellij-profiler-plugin Public

    IntelliJ plugin to view JFR profiler files and to profile using JFR

    Kotlin 66 9

  2. jvm-profiling-tools/ap-loader jvm-profiling-tools/ap-loader Public

    Packages async-profiler with binaries for all platforms in a single JAR

    Java 158 12

  3. tiny-profiler tiny-profiler Public

    A tiny CPU profiler for Java written completely in Java 17.

    Java 96 19

  4. hello-ebpf hello-ebpf Public

    Hello eBPF world! Hello Java world! Let's discover eBPF together and write Java user-land library along the way.

    Java 187 21

  5. meta-agent meta-agent Public

    Instrument instrumenting agents to see how they transform classes

    Java 35 3

  6. jstall jstall Public

    JStall is a small command-line tool for one-shot inspection of running JVMs using thread dumps and short, on-demand profiling.

    Java 51 4