JITWatch

Log analyser and visualiser for the HotSpot JIT compiler.

• Video introduction to JITWatch video
• Slides from my LJC lightning talk on JITWatch slides

For instructions and screenshots see the wiki

https://github.com/AdoptOpenJDK/jitwatch/wiki

The JITWatch user interface is built using JavaFX which is downloaded as a maven dependency for JDK11+.

For pre-JDK11 you will need to use a JDK that includes JavaFX.

ant

ant clean compile test run

maven

mvn clean compile test exec:java

gradle

gradlew clean build run

Build an example HotSpot log

# Build the code first with ant / maven / IDE
./makeDemoLogFile.sh