#!/bin/bash


log=/tmp/cin_slow.log
limit_cpu=60.0
limit_slow=6
pid=`pgrep -x cinnamon`
top=`top -b -n1 | grep -w $pid`
cpu=`echo $top | egrep -v '-' | awk '{ print $9; }'`
state=`echo $top | egrep -v '-' | awk '{ print $8; }'`

debug=1

if [ $debug == 1 ]; then
	echo "STARTING at `date`" >> $log
	echo "0: cpu $cpu    -- from $top" >> $log
fi

cnt=1
sample=1
times_slow=0
while [ $cnt -le 50 ] && [ $sample -le 10 ]; do
	top=`top -b -n1 | grep -w $pid`
	cpu=`echo $top | egrep -v '-' | awk '{ print $9; }'`

	if [ $debug == 1 ]; then
		echo "$cnt: cpu $cpu    -- from $top" >> $log
	fi
	if [ $state == "R" ] || [ $cpu != "0.0" ] ; then
		cnt=`expr $cnt + 1`
		sample=`expr $sample + 1`
	else
		if [ $debug == 1 ]; then
			echo "$cnt:      - consider this run as not relevant, seems cinammon was idle when we ran top" >> $log
		fi
	fi
	if [ `echo "$cpu >= $limit_cpu" | bc` = 1 ]; then
		times_slow=`expr $times_slow + 1`
		if [ $debug == 1 ]; then
			echo "$cnt:      + We have a slow reading (so far: $times_slow from $sample)" >> $log
		fi

	fi
	sleep 2
	cnt=`expr $cnt + 1`
	if [ $times_slow -gt $limit_slow ]; then
		break
	fi
done
if [ $debug == 1 ]; then
	echo "From a sample of $sample measurements, cin* was slow $times_slow times" >> $log
	wmctrl -l >> $log
fi
if [ $times_slow -gt $limit_slow ]; then
	export DISPLAY=:0
	zenity --info --text "I think cinammon is slow! Please manually restart it"
	exit 0
fi