cpu_host_process

#!/bin/bash

p="U_server_5"
file="vbox.txt"

uptime=$(cat /proc/uptime | awk '{print $1}')
uptime=${uptime%.*}
pid=$(pgrep -f $p) 
ticks=$(getconf CLK_TCK)
u=$(cat /proc/$pid/stat | awk '{print $14}')
s=$(cat /proc/$pid/stat | awk '{print $15}')
cu=$(cat /proc/$pid/stat | awk '{print $16}')
cs=$(cat /proc/$pid/stat | awk '{print $17}')
starttime=$(cat /proc/$pid/stat | awk '{print $22}')

totaltime=$(($u+$s+$cu+$cs))
st=$((starttime/ticks))
seconds=$(($uptime - $st))	
tt=$((totaltime/ticks))
tts=$(echo "scale=4; (($tt/$seconds))" | bc -l | awk '{printf "%f", $0}')
cpu=$(echo "scale=4; (($tts * 100))" | bc -l | awk '{printf "%f", $0}')

echo "$cpu" > $file

for value in {2..60}
do 
	uptime=$(cat /proc/uptime | awk '{print $1}')
	uptime=${uptime%.*}
	pid=$(pgrep -f $p)
	ticks=$(getconf CLK_TCK)
	u=$(cat /proc/$pid/stat | awk '{print $14}')
	s=$(cat /proc/$pid/stat | awk '{print $15}')
	cu=$(cat /proc/$pid/stat | awk '{print $16}')
	cs=$(cat /proc/$pid/stat | awk '{print $17}')
	starttime=$(cat /proc/$pid/stat | awk '{print $22}')

	totaltime=$(($u+$s+$cu+$cs))
	st=$((starttime/ticks))
	seconds=$(($uptime - $st))	
	tt=$((totaltime/ticks))
	tts=$(echo "scale=4; (($tt/$seconds))" | bc -l | awk '{printf "%f", $0}')
	cpu=$(echo "scale=4; (($tts * 100))" | bc -l | awk '{printf "%f", $0}')

	echo "$cpu" >> $file

	sleep 1s
done

awk '{avg+=$1;} END {print avg/60}' $file