buddyinfo 内存碎片数据采集

不说了，上工具

#cat    buddyinfo.sh
#!/bin/sh
BC_MUTI(){
    #subtraction
    if [[ -n $1 && -n $2 ]];then
        res1=$(printf "%.2f" `echo "scale=2;($1*$2)"|bc`)
        echo $res1
    fi
}

MESG(){
  local GROUP="$1"
  local KEY=$2
  local VALUE=$3
  local MEASURE=$4

  if [[ -n $VALUE ]];then
	  echo -e "$(date "+%F %H:%M:%S"),$GROUP,$KEY,$VALUE,$MEASURE"  >> $REAL_LOG
	  return 0
  fi
}

BC_BUDDY(){
	aa=$1
	bb=$2
	let "res1=$aa*2**$bb"
	echo $res1
}

CONVERT_BUDDY_VALUE(){
	start=$1
	MAX=`cat /proc/buddyinfo  | grep "Normal"| awk -F"Normal" '{print $2}'|awk '{print NF}'`
	MAX=`echo "$MAX - 1" | bc`
	buddy_values=`cat /proc/buddyinfo  | grep "Normal"| awk -F"Normal" '{print $2}'`
	array2=(
		$buddy_values
	)
  bb=`echo ${array2[@]:$start:$MAX}`

	count=0
	final_vvv=0
	for value in ${bb[@]};do
		vvv=`BC_BUDDY $value $count`
		count=`echo "$count +1 "|bc`
		final_vvv=`echo "$final_vvv + $vvv"|bc`
	done

	echo  $final_vvv
}

LOOP_VMSTAT(){
	while [[ 0 == 0 ]] ;do
		sleep 1
		CALCULATE_VMSTAT
	done
}

CALCULATE_VMSTAT(){
	timestamp=$(date "+%Y-%m-%d-%H:%M:%S")
	order1=`CONVERT_BUDDY_VALUE 1`
	order2=`CONVERT_BUDDY_VALUE 2`
	order3=`CONVERT_BUDDY_VALUE 3`
	order4=`CONVERT_BUDDY_VALUE 4`
	order5=`CONVERT_BUDDY_VALUE 5`
	order6=`CONVERT_BUDDY_VALUE 6`
	order7=`CONVERT_BUDDY_VALUE 7`
	order8=`CONVERT_BUDDY_VALUE 8`
	order9=`CONVERT_BUDDY_VALUE 9`
	order10=`CONVERT_BUDDY_VALUE 10`
	printf "%-20s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s
" $timestamp $order1 $order2 $order3 $order4 $order5 $order6 $order7 $order8 $order9 $order10
}
main(){
	 printf "%-20s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s
" "timestamp" "order1" "order2" "order3" "order4" "order5" "order6" "order7" "order8" "order9" "order10"
	 LOOP_VMSTAT
}
main

[root@host /home/ahao.mah]
#sh   buddyinfo.sh
timestamp            order1  order2  order3  order4  order5  order6  order7  order8  order9  order10

2017-04-26-20:53:20  9952240 4975948 2487866 1243711 621496  309892  154207  76867   38313   19124
2017-04-26-20:53:22  9952309 4975928 2487861 1243712 621496  309892  154207  76867   38313   19124
2017-04-26-20:53:23  9952392 4975970 2487869 1243713 621496  309892  154207  76867   38313   19124
2017-04-26-20:53:24  9952429 4975992 2487877 1243713 621496  309892  154207  76867   38313   19124
2017-04-26-20:53:26  9952449 4975993 2487879 1243713 621496  309892  154207  76867   38313   19124
2017-04-26-20:53:27  9952485 4975998 2487880 1243713 621496  309892  154207  76867   38313   19124
2017-04-26-20:53:28  9952490 4976003 2487883 1243715 621497  309892  154207  76867   38313   19124
2017-04-26-20:53:29  9952475 4975996 2487882 1243716 621498  309892  154207  76867   38313   19124
2017-04-26-20:53:31  9952404 4975956 2487881 1243716 621498  309892  154207  76867   38313   19124
2017-04-26-20:53:32  9952494 4975998 2487886 1243716 621498  309892  154207  76867   38313   19124