Measure disk seek rate on /dev/sdX

Monitor I/O latency in real time.
More information: <https://github.com/koct9i/ioping>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

ioping -R {{/dev/sdX}}

click the source code to copy install ioping on any operating system with command-not-found.com