while true; do
select input in cpu_load disk_load disk_use disk_inode mem_use tcp_status cpu_top10 mem_top10 traffic quit; do
case $input in
cpu_load)
#CPU利用率与负载
echo "---------------------------------------"
i=
while [[ $i -le ]]; do
echo -e "\033[32m 参考值${i}\033[0m"
UTIL=`vmstat |awk '{if(NR==3)print 100-$15"%"}'`
USER=`vmstat |awk '{if(NR==3)print $13"%"}'`
SYS=`vmstat |awk '{if(NR==3)print $14"%"}'`
IOWAIT=`vmstat |awk '{if(NR==3)print $16"%"}'`
echo "Util: $UTIL"
echo "User use: $USER"
echo "System use: $SYS"
echo "I/O wait: $IOWAIT"
let i++
sleep
done
echo "---------------------------------------"
break
;;
disk_load)
#硬盘I/O负载
echo "---------------------------------------"
i=
while [[ $i -le ]]; do
echo -e "\033[32m 参考值${i}\033[0m"
UTIL=`iostat -x -k |awk '/^[v|s]/{OFS=": ";print $1,$NF"%"}'`
READ=`iostat -x -k |awk '/^[v|s]/{OFS=": ";print $1,$6"KB"}'`
WRITE=`iostat -x -k |awk '/^[v|s]/{OFS=": ";print $1,$7"KB"}'`
IOWAIT=`vmstat |awk '{if(NR==3)print $16"%"}'`
echo -e "Util:"
echo -e "${UTIL}"
echo -e "I/O Wait: $IOWAIT"
echo -e "Read/s:\n$READ"
echo -e "Write/s:\n$WRITE"
i=$(($i+))
sleep
done
echo "---------------------------------------"
break
;;
disk_use)
#硬盘利用率
DISK_LOG=/tmp/disk_use.tmp
DISK_TOTAL=`fdisk -l |awk '/^Disk.*bytes/ && /\/dev/{printf $2" ";printf "%d",$3;print "GB"}'`
USE_RATE=`df -h |awk '/^\/dev/{print int($5)}'`
for i in $USE_RATE; do
if [ $i -gt ];then
PART=`df -h |awk '{if(int($5)=='''$i''') print $6}'`
echo "$PART = ${i}%" >> $DISK_LOG
fi
done
echo "---------------------------------------"
echo -e "Disk total:\n${DISK_TOTAL}"
if [ -f $DISK_LOG ]; then
echo "---------------------------------------"
cat $DISK_LOG
echo "---------------------------------------"
rm -f $DISK_LOG
else
echo "---------------------------------------"
echo "Disk use rate no than 90% of the partition."
echo "---------------------------------------"
fi
break
;;
disk_inode)
#硬盘inode利用率
INODE_LOG=/tmp/inode_use.tmp
INODE_USE=`df -i |awk '/^\/dev/{print int($5)}'`
for i in $INODE_USE; do
if [ $i -gt ]; then
PART=`df -h |awk '{if(int($5)=='''$i''') print $6}'`
echo "$PART = ${i}%" >> $INODE_LOG
fi
done
if [ -f $INODE_LOG ]; then
echo "---------------------------------------"
cat $INODE_LOG
rm -f $INODE_LOG
else
echo "---------------------------------------"
echo "Inode use rate no than 90% of the partition."
echo "---------------------------------------"
fi
break
;;
mem_use)
#内存利用率
echo "---------------------------------------"
MEM_TOTAL=`free -m |awk '{if(NR==2)printf "%.1f",$2/1024}END{print "G"}'`
USE=`free -m |awk '{if(NR==2) printf "%.1f",$3/1024}END{print "G"}'`
FREE=`free -m |awk '{if(NR==2) printf "%.1f",$4/1024}END{print "G"}'`
CACHE=`free -m |awk '{if(NR==2) printf "%.1f",$6/1024}END{print "G"}'`
echo -e "Total: $MEM_TOTAL"
echo -e "Use: $USE"
echo -e "Free: $FREE"
echo -e "Cache: $CACHE"
echo "---------------------------------------"
break
;;
tcp_status)
#网络连接状态
echo "---------------------------------------"
COUNT=`ss -ant |awk '!/State/{status[$1]++}END{for(i in status) print i,status[i]}'`
echo -e "TCP connection status:\n$COUNT"
echo "---------------------------------------"
;;
cpu_top10)
#占用CPU高的前10个进程
echo "---------------------------------------"
CPU_LOG=/tmp/cpu_top.tmp
i=
while [[ $i -le ]]; do
#ps aux |awk '{if($3>0.1)print "CPU: "$3"% -->",$11,$12,$13,$14,$15,$16,"(PID:"$2")" |"sort -k2 -nr |head -n 10"}' > $CPU_LOG
ps aux |awk '{if($3>0.1){{printf "PID: "$2" CPU: "$3"% --> "}for(i=11;i<=NF;i++)if(i==NF)printf $i"\n";else printf $i}}' |sort -k4 -nr |head - > $CPU_LOG
#循环从11列（进程名）开始打印，如果i等于最后一行，就打印i的列并换行，否则就打印i的列
if [[ -n `cat $CPU_LOG` ]]; then
echo -e "\033[32m 参考值${i}\033[0m"
cat $CPU_LOG
> $CPU_LOG
else
echo "No process using the CPU."
break
fi
let i++
sleep
done
echo "---------------------------------------"
break
;;
mem_top10)
#占用内存高的前10个进程
echo "---------------------------------------"
MEM_LOG=/tmp/mem_top.tmp
i=
while [[ $i -le ]]; do
#ps aux |awk '{if($4>0.1)print "Memory: "$4"% -->",$11,$12,$13,$14,$15,$16,"(PID:"$2")" |"sort -k2 -nr |head -n 10"}' > $MEM_LOG
ps aux |awk '{if($4>0.1){{printf "PID: "$2" Memory: "$4"% --> "}for(i=11;i<=NF;i++)if(i==NF)printf $i"\n";else printf $i}}' |sort -k4 -nr |head - > $MEM_LOG
if [[ -n `cat $MEM_LOG` ]]; then
echo -e "\033[32m 参考值${i}\033[0m"
cat $MEM_LOG
> $MEM_LOG
else
echo "No process using the Memory."
break
fi
i=$(($i+))
sleep
done
echo "---------------------------------------"
break
;;
traffic)
#查看网络流量
while true; do
read -p "Please enter the network card name(eth[0-9] or em[0-9] or team[0-9]): " eth
if [ `ifconfig |grep -c "\<$eth\>"` -eq ]; then
break
else
echo "Input format error or Don't have the card name, please input again."
fi
done
echo "---------------------------------------"
echo -e " In ------ Out"
i=
while [[ $i -le ]]; do
#CentOS6和CentOS7 ifconfig输出进出流量信息位置不同:
#CentOS6中RX与TX行号等于8
#CentOS7中RX行号是5，TX行号是7 OLD_IN=`ifconfig $eth |awk -F'[: ]+' '/bytes/{if(NR==8)print $4;else if(NR==5)print $6}'`
OLD_OUT=`ifconfig $eth |awk -F'[: ]+' '/bytes/{if(NR==8)print $9;else if(NR==7)print $6}'`
sleep
NEW_IN=`ifconfig $eth |awk -F'[: ]+' '/bytes/{if(NR==8)print $4;else if(NR==5)print $6}'`
NEW_OUT=`ifconfig $eth |awk -F'[: ]+' '/bytes/{if(NR==8)print $9;else if(NR==7)print $6}'` IN=`awk 'BEGIN{printf "%.1f\n",'$((${NEW_IN}-${OLD_IN}))'/1024/128}'`
OUT=`awk 'BEGIN{printf "%.1f\n",'$((${NEW_OUT}-${OLD_OUT}))'/1024/128}'`
echo "${IN}MB/s ${OUT}MB/s" i=$(($i+))
sleep
done
echo "---------------------------------------"
break
;;
quit)
exit
;;
*)
echo "---------------------------------------"
echo "Please enter the number."
echo "---------------------------------------"
break
;;