#!/bin/bash
SWAP_USED=$(free |grep -i swap|awk '{print $3}')
SWAP_TOTAL=$(free |grep -i swap|awk '{print $2}')
if [ ${SWAP_TOTAL} -eq 0 ];then
	exit 0
fi
printf -v SWAP_USED_PERCENTAGE "%0.3f\n" $(echo "scale=5;$SWAP_USED/$SWAP_TOTAL * 100"|bc)
#echo ${SWAP_USED_PERCENTAGE}
SWAP_USED_PERCENTAGE_INT=$(echo ${SWAP_USED_PERCENTAGE}|awk -F. '{print $1}')
#echo ${SWAP_USED_PERCENTAGE_INT}
if [ ${SWAP_USED_PERCENTAGE_INT} -ge 30 ];then
	date>>/var/log/messages
	echo "rss(KB) pmem%M pcpu%C vsize(SWAP+RES,KB) process ">>/var/log/messages
	ps -eo rss,pmem,pcpu,vsize,args |  sort -k 1 -r -n|head -10>>/var/log/messages
	echo "uptime">>/var/log/messages
	uptime>>/var/log/messages
	echo "df -h">>/var/log/messages
	df -h>>/var/log/messages
	echo "free -m">>/var/log/messages
	free -m>>/var/log/messages
fi