Adding tool to remotely enable ONOS JVM profiling.

Change-Id: I72d317b4ee9c16e161231ba5c3008aa311117493

+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Remotely instruments the ONOS JVM for profiling with jprofiler.
+# -----------------------------------------------------------------------------
+
+[ ! -d "$ONOS_ROOT" ] && echo "ONOS_ROOT is not defined" >&2 && exit 1
+. $ONOS_ROOT/tools/build/envDefaults
+export JPROFILER_ROOT=${JPROFILER_ROOT:-/opt/jprofiler8}
+
+ssh $ONOS_USER@${1:-$OCI} "
+    pid=\$(ps -ef | grep karaf.jar | grep -v grep | cut -c10-15 | tr -d ' ')
+    if [ -n \"\$pid\" ]; then
+        echo \"Enabling profiling for ONOS process \$pid on \$(hostname)...\"
+        $JPROFILER_ROOT/bin/jpenable --gui --pid=\$pid --port=8849
+    else
+        echo \"ONOS process is not running...\"
+        exit 1
+    fi
+"