How to measure the RTT of TCP packets?

Question

linux

Hello, I need an analogue of ping for TCP sockets for Linux. The goal is to measure the server response time to small messages, which means that the usual utilities for testing the throughput of network cards are not suitable.

PS Socketperf don't offer

Answer 1

you can for example one of the nagios plugins
# /usr/lib/nagios/plugins/check_tcp -H torter.ru -p 80
TCP OK - 0.119 second response time on port 80|time=0.118634s;;;0.000000;10.000000