Marcus Hirt

jmc-tutorial. A hands-on-lab/tutorial for learning JDK Mission Control 7+.

jmc-flame-view. View for Mission Control for rendering stack traces as flame graphs. Note that this is now part of JMC 7.1.0, and all further development will take place in the JMC repos.

jmc-jshell. Easy way to get started experimenting with the JDK Flight Recorder and the JMC core classes.

java-svc. Java serviceability examples. Includes simple example apps for jmc, jfr, attach, jmx, jplis, jdi and perfcounters.

problematic-microservices. Small microservices application with various problems

diskspace. Beautiful (and free) cross-platform disk-usage visualizer for finding and reclaiming space

mcp-email. Fast MCP server for handling email (IMAP and SMTP). Can for example be used with Claude Code and Claude App.

openjdk-helper. An API that helps with OpenJDK stuff, meant for use by my OpenJDK Custom GPT - https://chatgpt.com/g/g-F0Ow9Ugwj-openjdk-jmc-helper

recgen. Repo for generating jfr recordings with specific properties to help in the development of JMC.

problematic-web-app. A webapplication with various commonly encountered problems that can be used to train your profiling and diagnostic chops

jmc-graph-view. Graph rendering in JMC of aggregated stack traces. Think the Flame View but graphs.

jmx2jfr. Configurable agent which records JMX data into the Java Flight Recorder.

searobots. SeaRobots is a competitive autonomous underwater combat simulator inspired by the classic C-Robots (1985).

slogan-generator. A free to use slogan generator! :)

java-memoryleaks. Example of common java memory leaks.

jmc-dev-helpers. Assorted helpful things to make JMC development easier

jmc-workflow-test. Just trying out GitHub workflow stuff.

action-jmc-spotless. GitHub action for running spotless on the JMC project

jfr4junit. JFR integration for JUnit5