libinput-measure-touchpad-pressure - Online Linux Manual PageSection : 1
NAMElibinput−measure−touchpad−pressure − measure pressure properties of devices
SYNOPSISlibinput measure touchpad−pressure [−−help] [options] [/dev/input/event0]
DESCRIPTIONThe libinput measure touchpad−pressure" tool measures the pressure of touches on a touchpad. This is an interactive tool. When executed, the tool will prompt the user to interact with the touchpad. On termination, the tool prints a summary of the pressure values seen. This data should be attached to any pressure−related bug report. For a full description on how libinput's pressure-to-click behavior works, see the online documentation here: https://wayland.freedesktop.org/libinput/doc/latest/touchpad_pressure.html and https://wayland.freedesktop.org/libinput/doc/latest/palm_detection.html 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.
OPTIONSIf a device node is given, this tool opens that device node. Otherwise, this tool searches for the first node that looks like a touchpad and uses that node. −−help Print help −−touch−thresholds="down:up" Set the logical touch pressure thresholds to down and up, respectively. When a touch exceeds the pressure in down it is considered logically down. If a touch is logically down and goes below the pressure in up, it is considered logically up. The thresholds have to be in device-specific pressure values and it is required that down >= up. −−palm−threshold=N Assume a palm threshold of N. The threshold has to be in device-specific pressure values. −−thumb−threshold=N Assume a thumb threshold of N. The threshold has to be in device-specific pressure values. If the touch-thresholds or the palm-threshold are not provided, this tool uses the thresholds provided by the device quirks (if any) or the built-in defaults.
LIBINPUTPart of the libinput(1) suite 0
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