#!/bin/bash

while true
do
  sleep 60
  file="/tmp/deadlock-detector-$(date +"%Y-%m-%d-%H-%M-%S").txt"
  for pid in $(jps | grep -v Jps | awk '{ print $1 }')
  do
    jcmd "$pid" VM.command_line >> "$file"
    jcmd "$pid" Thread.print >> "$file"
    if jcmd "$pid" Thread.print | grep -q SimpleLogger
    then
      # check once more to eliminate most of the sporadic finds
      if jcmd "$pid" Thread.print | grep -q SimpleLogger
      then
        jcmd "$pid" GC.heap_dump "/tmp/deadlock-detector-$pid.hprof"
      fi
    fi
  done
done &