大家ping localhost最快能到多少?

intel10k

最近在研究latency问题。我的机器上经过优化后ping localhost值在0.006ms-0.007ms，不知道有没有更快的？想看看最快能到多少。

root@pc2:~# ping 127.0.0.1 > 1
^Croot@pc2:~# cat 1
PING 127.0.0.1 (127.0.0.1) 56(84) bytes of data.
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.010 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.009 ms
64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.007 ms
64 bytes from 127.0.0.1: icmp_seq=4 ttl=64 time=0.007 ms
64 bytes from 127.0.0.1: icmp_seq=5 ttl=64 time=0.007 ms
64 bytes from 127.0.0.1: icmp_seq=6 ttl=64 time=0.007 ms
64 bytes from 127.0.0.1: icmp_seq=7 ttl=64 time=0.007 ms
64 bytes from 127.0.0.1: icmp_seq=8 ttl=64 time=0.006 ms

--- 127.0.0.1 ping statistics ---
8 packets transmitted, 8 received, 0% packet loss, time 6993ms
rtt min/avg/max/mdev = 0.006/0.007/0.010/0.003 ms