CPU 로드 모니터링 스크립트 코드

 
  
#!/bin/bash 
  
load=`uptime` 
  
shijian=`date +%Y-%m-%d-%T` 
  
file=cpustatus.txt 
  
touch $file 
  
all=`cat $file |wc -l` 
  
printf "$load $shijian
" >> $file 
   
  
if [[ $all > 60 ]] ; then
starttime=`cat $file |awk '{print $13}'|sort -r|tail -1`
stoptime=`cat $file |awk '{print $13}'|sort -n|tail -1`
loadavg=`cat $file |awk '{avg1+=$10;avg2+=$11;avg3+=$12}END{print avg1/NR,avg2/NR,avg3/NR}'`
high=`cat $file |awk '{print $10}'|sort -n|tail -1`
low=`cat $file |awk '{print $10}'|sort -r|tail -1`
printf "$starttime 
 load average $loadavg 
 high $high 
 low $low 
 $stoptime 

" > j
#printf "load average $startus 
" >>j
#mv $f $f.$b
fi
 
 

Crontab과 함께 사용하면 더욱 좋습니다.
다음은 다른 사람이 쓴 것이니 공유해 주십시오

 
  
#!/bin/bash  
  
#       IP      
  
IP=`ifconfig eth0 | grep "inet addr" | cut -f 2 -d ":" | cut -f 1 -d " "`  
  
#      CPU    
  
cpu_num=`grep -c 'model name' /proc/cpuinfo`  
  
count_uptime=`uptime |wc -w`  
  
#    15          
  
load_15=`uptime | awk '{print $'$count_uptime'}'`  
  
#          15        ，    1.0       0  
  
average_load=`echo "scale=2;a=$load_15/$cpu_num;if(length(a)==scale(a)) print 0;print a" | bc`  
  
#               
  
average_int=`echo $average_load | cut -f 1 -d "."`  
  
#    shell      (0-100  )  
  
warn_input=$1  
  
if [[ ! $warn_input =~ ^[0-100]+$ ]]  
  
then  
  
    exit 0  
  
else  
  
    if [[ "$warn_input" -lt 0 || "$warn_input" -gt 100 ]]  
  
    then  
  
        exit 0  
  
    else  
  
        load_warn=$(($warn_input/100))  
  
    fi  
  
fi  
  
if [ $average_int -gt 0  ]  
  
then  
  
    echo "$IP       15        $average_load，     1.0，     ！！！$(date +'%Y-%m-%d %H:%M:%S')"  
  
else  
  
    load_now=`expr $average_load \> $load_warn`  
  
    if [ $load_now -eq 1 ]  
  
    then  
  
        echo "$IP       15        $average_load，     0.7，     ！！！$(date +'%Y-%m-%d %H:%M:%S')"  
  
    else  
  
        echo "$IP       15         $average_load,cpu    $cpu_num,  15        $load_15      $(date +'%Y-%m-%d %H:%M:%S')"  
  
    fi  
  
fi