http://blog.9minutesnooze.com/analyzing-http-traffic-tcpdump-perconas-pttcpmodel/
#获取200k个packets tcpdump -c 200000 -w output.pcap -i any #获取6009端口 tcpdump -r output.pcap -s 384 -i any -nnq -tttt 'tcp port 6009 and (((ip[2:2] - ((ip[0]&0xf)<<2)) #默认是制定 #--watch-server 10.10.10.10:3306 #因此需要根据实际情况修改 ./pt-tcp-model --watch-server=10.75.xxx.88:6009 ./port6009.txt >request