libinput measure [--help] <feature> [<args>]
The libinput measure tool measures properties of one (or more) devices. Depending on what is to be measured, this tool may not create a libinput context.
This is a debugging tool only, its output may change at any time. Do not rely on the output.
This tool usually needs to be run as root to have access to the /dev/input/eventX nodes.
Features that can be measured include
Measure touch fuzz to avoid pointer jitter
Measure touch size and orientation
Measure the size of a touchpad
Measure tap-to-click time
Measure touch pressure
Part of the libinput(1) suite