who is using your swap?

lichti-swap-usage.sh

function lichti-swap-usage {
  echo "Mem status";
  echo "========================================";
  free -m
  echo "========================================";
  SORT="kb";                 # {pid|kB|name} as first parameter, [default: kb]
  [ "$1" != "" ] && { SORT="$1"; }

  [ ! -x `which mktemp` ] && { echo "ERROR: mktemp is not available!"; exit; }
  MKTEMP=`which mktemp`;
  TMP=`${MKTEMP} -d`;
  [ ! -d "${TMP}" ] && { echo "ERROR: unable to create temp dir!"; exit; }

  touch ${TMP}/${SCRIPT_NAME}.pid;
  touch ${TMP}/${SCRIPT_NAME}.kb;
  touch ${TMP}/${SCRIPT_NAME}.name;

  SUM=0;
  OVERALL=0;
      echo "${OVERALL}" > ${TMP}/${SCRIPT_NAME}.overal;

  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

      if (( $SUM > 0 ));
      then
          echo -n ".";
          echo -e "${PID}\t${SUM}\t${PROGNAME}" >> ${TMP}/${SCRIPT_NAME}.pid;
          echo -e "${SUM}\t${PID}\t${PROGNAME}" >> ${TMP}/${SCRIPT_NAME}.kb;
          echo -e "${PROGNAME}\t${SUM}\t${PID}" >> ${TMP}/${SCRIPT_NAME}.name;
      fi
      let OVERALL=$OVERALL+$SUM
      SUM=0
  done
  echo "${OVERALL}" > ${TMP}/${SCRIPT_NAME}.overal;
  echo;
  echo "Overall swap used: ${OVERALL} kB";
  echo "========================================";
  case "${SORT}" in
      name )
          echo -e "name\tkB\tpid";
          echo "========================================";
          cat ${TMP}/${SCRIPT_NAME}.name|sort;
          ;;

      kb )
          echo -e "kB\tpid\tname";
          echo "========================================";
          cat ${TMP}/${SCRIPT_NAME}.kb|sort -rh;
          ;;

      pid | * )
          echo -e "pid\tkB\tname";
          echo "========================================";
          cat ${TMP}/${SCRIPT_NAME}.pid|sort -h;
          ;;
  esac
  rm -fR "${TMP}/";
}