swapping processes

swapping-processes.sh

#!/usr/bin/env bash
SUM=0
OVERALL=0
for DIR in `find /proc/ -maxdepth 1 -type d -regex "^/proc/[0-9]+"`
do
    PID=`echo $DIR | cut -d / -f 3`
    PROGNAME=`ps -p $PID -o comm --no-headers`
    for SWAP in `grep Swap $DIR/smaps 2>/dev/null| awk '{ print $2 }'`
    do
        let SUM=$SUM+$SWAP
    done
    
    echo "PID=$PID - Swap used: $SUM - ($PROGNAME )"
    let OVERALL=$OVERALL+$SUM
    SUM=0
done

echo "Overall swap used: $OVERALL"