SCO CPU监控

#       系统CPU监控,参数为CPU空闲阀值
#

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

sar 1 1 | grep -v "SCO" | grep -v "\%" | awk '/[0-9]/'  | awk '{

                if ( $5 < limit )
                {
                        printf "系统CPU空闲低 U[%d] S[%d] W[%d] IDLE[%d]\n", $2,$3,$4,$5

                        system("> $TMPDIR/moncpu")
                }

        }' limit=$1

if [ -f $TMPDIR/moncpu ]
then
        exit 1
else
        echo "CPU正常"
        exit 0
fi