To use plugin execute:
mvn clean package
cd target
curl -o jmeter.zip https://mirror.klaus-uwe.me/apache//jmeter/binaries/apache-jmeter-5.3.zip
unzip jmeter.zip
cp jmeter-prometheus-plugin.jar apache-jmeter-5.3/lib/ext/
cp jars/* apache-jmeter-5.3/lib/ext/
cd ..
Running:
./target/apache-jmeter-5.3/bin/jmeter
And copy all *.jar file from target folder int your jMeter /lib/ext directory To use plugin add Prometheus Status Exporter to your Test Plan
It exposes pre default port 8080 and url http://:8080/metrics will output current metrics.