Used_Rate=`expr $Used/$Total*100 | bc -l`
Memory_Used_Rate=`expr $Used_Rate/1 | bc`
echo $Memory_Used_Rate%
#cpu_used_rate
Log1=$(cat /proc/stat | grep 'cpu ' | awk '{print $2" "$3" "$4" "$5" "$6" "$7" "$8}')
Sys1=$(echo $Log1 | awk '{print $4}')
Total1=$(echo $Log1 | awk '{print $1+$2+$3+$4+$5+$6+$7}')
sleep 0.5
Log2=$(cat /proc/stat | grep 'cpu ' | awk '{print $2" "$3" "$4" "$5" "$6" "$7" "$8}')
Sys2=$(echo $Log2 | awk '{print $4}')
Total2=$(echo $Log2 | awk '{print $1+$2+$3+$4+$5+$6+$7}')
Sys=`expr $Sys2 - $Sys1`
本文出自 “Fighting,Jayson!” 博客
