monitoring-plugins/monitoring-plugins — pull request #1232 by ganoze (2014-02-03 16:08:49+00:00)
Title: check_icmp: use packet reception time to compute rtt

Currently, check_icmp uses processing time to compute rtt. This can lead to invalid values when the machine is heavily loaded. The patch I propose uses the SO_TIMESTAMP feature of setsockopt to use the kernel reception time instead.