How to configure profiling for JVM applications
Perforator is able to profile JVM application. This guide shows how to configure application to get meaningful profiles.
Warning
For now, JVM support is experimental and has known limitations. It will be improved in the future releases.
Prerequisites
- Application runs on HotSpot JVM.
- JVM is 17 or newer.
Configure JVM
Add the following flag to the JVM process
-XX:+PreserveFramePointer
Additionally, add the following environment variable to the JVM process
__PERFORATOR_ENABLE_PERFMAP=java=true,percentage=50
See reference for configuration options.