Fetching the TCP RTT in Linux

Question

I need to fetch the RTT for TCP flow. I have looked into the proc file system but not able to get the RTT value of TCP .If any one having any idea regarding it that, in whic

Answer 1

You can so this using tcpprobe (inserts a hook into the tcp_recv processing path using kprobe and records the state of a TCP connection in response to incoming packets).

Explained here: Extract TCP round trip time (RTT) estimations on linux