AIX5.3下查看系统、用户、文件系统占用内存数量

AIX5.3下查看系统、用户、文件系统占用内存数量

#!/usr/bin/ksh

#查看总的内存数量：

totalmem=$(vmstat -v|head -n 1|awk '{print $1/256}')

echo "总内存（物理内存）："

echo $totalmem MB

echo

#查看各用户使用的内存：

usermem=$(for username in `cat /etc/passwd|awk -F: '{print $1}'`

do

svmon -U $username|grep $username" "

done)

usermem=`echo "$usermem"|grep -v "0        0        0        0"|awk '{print $1,$2/256,"MB"}'`

echo "各用户内存（物理内存）："

echo "$usermem"

usermem=$(echo "$usermem"|awk 'BEGIN{sum1=0;}{sum1=sum1+$2;}END{print sum1;}')

usermem=$(echo $usermem|awk -F. '{print $1}')

echo "用户内存（物理内存）合计：" $usermem MB

echo

#查看文件系统缓存：

clientmem1=`svmon -G|grep "^pin"|awk '{print $4}'`

clientmem2=`svmon -G|grep "^in use"|awk '{print $5}'`

clientmem=`expr $clientmem1 + $clientmem2`

clientmem=`expr $clientmem / 256`

echo "文件系统缓存（物理内存）："

echo $clientmem MB

echo

#查看系统使用内存：

sysmem=$(svmon -S -s -u|cut -b 54-|grep -v "0     0    0     0"|grep [0-9]|awk '{print $1,$2}')

supremeseg=`echo "$sysmem"|grep S|awk 'BEGIN{sum1=0;}{sum1=sum1+$2;}END{sum1=sum1*16*1024*1024;print sum1;}'`

largeseg=`echo "$sysmem"|grep L|awk 'BEGIN{sum1=0;}{sum1=sum1+$2;}END{sum1=sum1*16*1024;print sum1;}'`

mediumseg=`echo "$sysmem"|grep m|awk 'BEGIN{sum1=0;}{sum1=sum1+$2;}END{sum1=sum1*64;print sum1;}'`

smallseg=`echo "$sysmem"|grep s|awk 'BEGIN{sum1=0;}{sum1=sum1+$2;}END{sum1=sum1*4;print sum1;}'`

sysmem=$(expr $supremeseg + $largeseg + $mediumseg + $smallseg)

sysmem=$(expr $sysmem / 1024)

echo "系统内存（物理内存）："

echo $sysmem MB

echo

#查看空闲内存：

freemem=$(vmstat -v|grep free|awk '{print $1/256}')

echo "空闲内存（物理内存）："

freemem=$(echo $freemem|awk -F. '{print $1}')

echo $freemem MB

echo