flame-graph-jfr

Convert java 11 JFR to folded format for https://github.com/brendangregg/FlameGraph

Usage

Requires java 11 jdk or higher.

mvn clean package

java -jar target/flame-graph-1.0-SNAPSHOT-shaded.jar -i some-j11-flight-recorder.flr -o output.fld

Clone https://github.com/brendangregg/FlameGraph

In FlameGraph dir

./flamegraph.pl <some path>/output.fld > flamegraph.svg

Open flamegraph.svg in your browser to explore!

Should see something like