#!/bin/bash
cd /home/senthil/temp_files/pswp
TS=$(date +%Y%m%d_%H%M%S);
cat /proc/vmstat|grep pswp > log/pswp_${TS}.txt
PSZ=`grep -c "^pswpin 0$" log/pswp_${TS}.txt`
if [ $PSZ -eq 0 ]; then
cat log/pswp_${TS}.txt | mailx -s "Non-zero pswpin" system@example.org
fi
Cron entry
0,10,20,30,40,50 * * * * /path/to/script