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#!/bin/sh
# Get current swap usage for all running processes
# Erik Ljungstrom 27/05/2011
OVERALL=0
for PID in `find /proc/ -maxdepth 1 -type d -regex "/proc/[0-9]+" | cut -d / -f 3`; do
SUM=0
DIR="/proc/$PID"
PROGNAME=`ps -p $PID -o comm --no-headers`
for SWAP in `grep ^Swap $DIR/smaps 2>/dev/null| awk '{ print $2 }'`; do
SUM=$(( $SUM + $SWAP ))
done
SUM=$(( $SUM / 1024 ))
[ "$SUM" -eq "0" ] && continue
echo "$SUM MiB by PID=$PID - ($PROGNAME)"
OVERALL=$(( $OVERALL + $SUM ))
done
echo "Overall swap used: $OVERALL MiB"
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