Utility to list USB devices including associated Linux devices
Project description
lsudt
lsudt (list USB device tree) is a utility for listing USB devices as a tree including associated dev nodes and other information from udev.
This makes it much easier to understand the topology of a USB tree and the relationship between device nodes and the USB devices they originate from.
The utility provides filtering capabilities allowing you to filter by device path, port path, udev tag and udev ID_PATH.
Example Usage
# Filter by USB port path
$ lsudt -p 1-10
Port 1-10: Hub (2109:2813 / 1-10)
Port 1: Hub (1a40:101 / 1-10.1)
Port 1: Device (67b:2303 / 1-10.1.1)
/dev/ttyUSB0
Port 4: Device (bda:8152 / 1-10.1.4)
Net: enx00e04c360033
Port 4: Device (5e3:749 / 1-10.4)
/dev/sda
/dev/sda1
/dev/sda2
/dev/sda3
/dev/sda4
/dev/sda5
/dev/sda6
/dev/sda7
/dev/sda8
/dev/bsg/6:0:0:0
/dev/sg0
# Filter by device path
$ lsudt -d /sys/devices/pci0000:00/0000:00:14.0/usb1/1-4
Port 1-4: Device (46d:843 / 1-4)
/dev/input/event5
/dev/media0
/dev/video0
/dev/video1
/dev/snd/pcmC1D0c
/dev/snd/controlC1
# Filter by ID_PATH
$ lsudt -i pci-0000:00:14.0-usb-0:5
Port 1-5: Device (b0e:348 / 1-5)
/dev/snd/pcmC3D0c
/dev/snd/pcmC3D0p
/dev/snd/controlC3
/dev/hidraw2
/dev/input/event22
/dev/usb/hiddev1
# Filter by udev TAG
$ lsudt -t power-switch
Port 1-4: (1-4)
/dev/input/event5
Port 1-5: (1-5)
/dev/input/event22
Port 1-7: (1-7)
/dev/input/event3
Port 1-9: (1-9)
/dev/input/event7
/dev/input/event9
/dev/input/event8
# Show more information
$ lsudt -p 1-10.1 -u -s -e -l
Port 1: Hub (1a40:101 / 1-10.1)
/dev/bus/usb/001/085 (pci-0000:00:14.0-usb-0:10.1)
Port 1: Device (67b:2303 / 1-10.1.1)
/dev/bus/usb/001/109 (pci-0000:00:14.0-usb-0:10.1.1)
/dev/ttyUSB0 (pci-0000:00:14.0-usb-0:10.1.1:1.0)
: /dev/serial/by-id/usb-Prolific_Technology_Inc._USB-Serial_Controller-if00-port0
: /dev/serial/by-path/pci-0000:00:14.0-usb-0:10.1.1:1.0-port0
Port 4: Device (bda:8152 / 1-10.1.4)
/dev/bus/usb/001/086 (pci-0000:00:14.0-usb-0:10.1.4)
Net: enx00e04c360033 (pci-0000:00:14.0-usb-0:10.1.4:1.0)
# Show help
$ lsudt -h
usage: lsudt [-h] [--version] [--show-devusb] [--show-idpath] [--show-empty-hubs]
[--show-device-links] [--device-path DEVICE_PATH] [--port-path PORT_PATH]
[--udev-tag TAG] [--udev-idpath ID_PATH]
View connected USB devices and device nodes
optional arguments:
-h, --help show this help message and exit
--version show program's version number and exit
--show-devusb, -u show /dev/usb/ device nodes
--show-idpath, -s show udev ID_PATH next to devices
--show-empty-hubs, -e
show empty hubs
--show-device-links, -l
show device links
--device-path DEVICE_PATH, -d DEVICE_PATH
limit output to devices contained within a path starting with /sys/devices/
--port-path PORT_PATH, -p PORT_PATH
limit output to devices downstream of a particular port path
--udev-tag TAG, -t TAG
limit output to devices with udev tag
--udev-idpath ID_PATH, -i ID_PATH
limit output to devices with a parent starting with given idpath
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