#!/bin/sh
DEBUGFS=`grep debugfs /proc/mounts | awk '{ print $2; }'`
sudo su -c "							\
	echo 0 > $DEBUGFS/tracing/tracing_on;			\
	echo $$ > $DEBUGFS/tracing/set_ftrace_pid;		\
	echo function_graph > $DEBUGFS/tracing/current_tracer;	\
	echo 1 > $DEBUGFS/tracing/tracing_on"
exec $*
sudo su -c "\
	echo -1 > $DEBUGFS/tracing/set_ftrace_pid;		\		
	echo 0 > $DEBUGFS/tracing/tracing_on"