SCO 检查系统内存

#
#       检查系统内存,参数为页面空间使用率阀值、内存空闲页面数阀值
#

rm $TMPDIR/monmem > /dev/null 2>&1

/etc/swap -l | grep -v "swaplo" |awk '{

                if ( $5*100/$4 < limit )
                {
                        printf "页面文件使用率过高 %d\n",100-$5*100/$4

                        system("> $TMPDIR/monmem")
                }
        }' limit=$1

vmstat 1 1 | grep "1" |awk '{

                if ($4 < limit)
                {
                        printf "内存空页过低: %d\n",$4

                        system(">$TMPDIR/monmem")
                }
        }' limit=$2

if [ -f $TMPDIR/monmem ]
then
        exit 1
else
        echo "内存无异常"
        exit 0
fi