libinput−measure−fuzz − measure absolute axis fuzz
libinput measure fuzz [−−help] [options] [/dev/input/event0]
The libinput measure fuzz tool measures the fuzz for an absolute axis on a kernel device. The current implementation does not actually measure anything, it only prints the relevant information available and suggests a udev rule.
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.
If a device node is given, this tool opens that device node. Otherwise, this tool searches for the first node that looks like a touchpad device and uses that node.
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Part of the libinput(1) suite