统计 cpu 内存 使用率的shell脚本代码

#!/bin/sh
clear
while ((1>0))
do
 NET=$(netstat -anp | grep 1000 | grep EST | wc -l)
 PRC=$(ps aux | grep thread1 | grep -v grep | grep -v SCREEN | awk '{ print " CPU: " $3 "%,  MEM: " $4 "%, RSS: " $6/1024 "M, VSZ: " $5/1024 "M, PID: " $2 ""}')
 tput sc; echo -n -e "b"; tput rc;
 echo "SRV:  thread1, NET: $NET, $PRC"
 echo ""
 NET=$(netstat -anp | grep 1011 | grep EST | wc -l)
 PRC=$(ps aux | grep thread2 | grep -v grep | grep -v SCREEN | awk '{ print " CPU: " $3 "%, MEM: " $4 "%, RSS: " $6/1024 "M, VSZ: " $5/1024 "M, PID: " $2 ""}')
 tput sc; echo -n -e "b"; tput rc;
 echo "SRV:  thread2, NET: $NET, $PRC"
 echo ""
 NET=$(netstat -anp | grep 1022 | grep EST | wc -l)
 PRC=$(ps aux | grep thread3 | grep -v grep | grep -v SCREEN | awk '{ print " CPU: " $3 "%, MEM: " $4 "%, RSS: " $6/1024 "M, VSZ: " $5/1024 "M, PID: " $2 ""}')
 tput sc; echo -n -e "b"; tput rc;
 echo "SRV:  thread3, NET: $NET, $PRC"
 echo ""
 NET=$(netstat -anp | grep 1033 | grep EST | wc -l)
 PRC=$(ps aux | grep thread4 | grep -v grep | grep -v SCREEN | awk '{ print " CPU: " $3 "%, MEM: " $4 "%, RSS: " $6/1024 "M, VSZ: " $5/1024 "M, PID: " $2 ""}')
 tput sc; echo -n -e "b"; tput rc;
 echo "SRV:  thread4, NET: $NET, $PRC"
 echo ""
 NET=$(netstat -anp | grep beam.smp | grep EST | grep 222.222.18.222:800 | wc -l)
 PRC=$(ps aux | grep thread | grep -v grep | awk '{CPU += $3} {MEM += $4} {RSS += $6} {VSZ += $5}  END {print "CPU: " CPU "%, MEM: " MEM "%, RSS: " RSS/1024 "M, VSZ: " VSZ/1024 "M,  "  " "}'  | awk 'END {print}')
 tput sc; echo -n -e "b"; tput rc;
 echo "SRV: All, NET: $NET, $PRC"
 echo ""
 sleep 0.5
 tput cup 0 0
done