#!/bin/bash

name=$1
timestep=$2
sum=0
iterations=0

trap ctrl_c INT

function ctrl_c() {
        echo -e "\nAVG num of processes: $(($sum / $iterations))"
	exit 0
}

if [ -f ${name}_processes.log ]; then
	rm ${name}_processes.log
fi

while true; do
	num_processes=$(ps -e | grep "$name" --count)
	my_time=$(date +%H:%M:%S)
	sum=$(($sum + $num_processes))
	iterations=$(($iterations + 1))
	
	echo $my_time - $num_processes >> ${name}_processes.log
	sleep $timestep
done