HOWTO: Create FlameGraphs for java

flamegraphs.sh

yum install git perf cmake gcc gcc-c++

# generates method mappings
cd ~
git clone https://github.com/jrudolph/perf-map-agent.git
cd perf-map-agent/
export JAVA_HOME=/opt/jdk1.8.0_91
cmake .
make

# add -XX:+PreserveFramePointer to java exec cmd

cd ~
git clone https://github.com/brendangregg/FlameGraph.git


# for jvm PID only
export JAVA_HOME=/opt/jdk1.8.0_91
export FLAMEGRAPH_DIR=~/FlameGraph/
export PERF_RECORD_SECONDS=60
ps ax | grep java
./perf-map-agent/bin/perf-java-flames <PID> -F 99 -a -g


# with kernel stackframes
ps ax | grep java
export JAVA_HOME=/opt/jdk1.8.0_91
./perf-map-agent/bin/create-java-perf-map.sh <PID>

perf record -F 99 -a -g -- sleep 60
perf script > out.perf

./FlameGraph/stackcollapse-perf.pl out.perf > out.folded
./FlameGraph/flamegraph.pl out.folded > out.svg