New memthread script

#!/bin/bash
#file contains the output of: pstree mysql -a -p |awk '{print $1;}' | sed 's/|-{mysqld},//' >> psadd
filename='psadd'
#total= '0'
echo Start
while read p; do
    memU=`ps -o rss= -p $p | awk '{print $1*4, "KiB"}'`
    echo "Process ID:"$p  "Memory Usage:"$memU
#total="$((total+memU))"
#echo "This is the current running total:" $total
done < $filename
#echo "Total=" $total