perf-java

#!/bin/sh
PID=$1
OPTIONS=$2
PERF_MAP_FILE=/tmp/perf-$PID.map

if [ -p $JAVA_HOME ]; then
  JAVA_HOME=/usr/lib/jvm/default-java
  [ -d $JAVA_HOME ] || JAVA_HOME=/etc/alternatives/java_sdk
fi

java -cp attach-main.jar:$JAVA_HOME/lib/tools.jar net.virtualvoid.perf.AttachOnce $PID $OPTIONS
sudo chown root:root $PERF_MAP_FILE
sudo perf top -p $PID
sudo rm $PERF_MAP_FILE