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libinput-debug-events(1) libinput Manual libinput-debug-events(1)

NAME

libinput-debug-events - debug helper for libinput

SYNOPSIS

libinput debug-events [options]

libinput debug-events [options] --udev <seat>

libinput debug-events [options] [--device] /dev/input/event0 [/dev/input/event1...]

DESCRIPTION

The libinput debug-events tool creates a libinput context and prints all events from these devices.

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.

OPTIONS

Use the given device(s) with the path backend. The --device argument may be omitted.
Exclusively grab all opened devices. This will prevent events from being delivered to the host system.
Print help
Only print libinput messages, don't print anything from this tool. This is useful in combination with --verbose for internal state debugging.
Key events shown by this tool are partially obfuscated to avoid passwords and other sensitive information showing up in the output. Use the --show-keycodes argument to make all keycodes visible.
Use the udev backend to listen for device notifications on the given seat. The default behavior is equivalent to --udev "seat0".
Use verbose output

libinput configuration options

Configuration options are only applied where the device name matches the pattern. This pattern has no effect on the --disable-sendevents option.
Set the send-events option to disabled for the devices matching patterns. This option is not affected by the --apply-to="pattern" option.
Enable or disable tap-to-click
Enable or disable tap-and-drag
Enable or disable drag-lock
Enable or disable natural scrolling
Enable or disable left handed button configuration
Enable or disable middle button emulation
Enable or disable disable-while-typing
Enable or disable the scroll button lock
Set the desired click method
Set the desired scroll method
Set the button to the given button code
Set pointer acceleration profile
Set pointer acceleration speed. The allowed range is [-1, 1].
Set button mapping for tapping

NOTES

Events shown by this tool may not correspond to the events seen by a different user of libinput. This tool initializes a separate context.

LIBINPUT

Part of the libinput(1) suite

libinput 1.16.3