记录繁忙时系统信息的脚本

1. #!/bin/bash
2. while :  
3. do 
4. vmr=`vmstat | tail -1 | awk '{print $1}'` 
5. if [ ${vmr} -gt 4 ]                                         #4为cpu核心数
6. then 
7. date   >> /root/monitor.txt 
8. vmstat >> /root/monitor.txt 
9. netstat -anp >> /root/monitor.txt 
10. ps -aux>> /root/monitor.txt 
11. last   >> /root/monitor.txt 
12. tail -10 /var/log/messages >> /root/monitor.txt 
13. fi 
14. sleep 60
15. done