Instrumenting Java Code

This talk is about the various ways and methods of instrumenting Java code.

We will:

• Explore several different methods, concentrating on code generation;
• Dive deeper into ByteBuddy;
• Create a simple javaagent;
• Instrument a Java application in build time.

All with actual running code examples.

Tags

java, jvm, javaagent, instrumentation

Building slides

make install-deps
make

Installing necessary tools

Make sure mise is installed (e.g. brew install mise, sudo dnf -y install mise).

mise install