lsusb

# show the status usbport
$ lsusb

#OUTPUT
# Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
# Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
# Bus 004 Device 010: ID 08bb:2902 Texas Instruments PCM2902 Audio Codec
# Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
# Bus 003 Device 004: ID 1a2c:2c27 China Resource Semico Co., Ltd USB Keyboard
# Bus 003 Device 002: ID 30fa:0301  USB OPTICAL MOUSE 
# Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
# Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

# show the complete status usbport
$ lsusb -v

# OUTPUT
# Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
# Couldn't open device, some information will be missing
# Device Descriptor:
# bLength                18
# bDescriptorType         1
# bcdUSB               2.00
# bDeviceClass            9 Hub
# bDeviceSubClass         0 
# bDeviceProtocol         0 Full speed (or root) hub
# bMaxPacketSize0        64
# idVendor           0x1d6b Linux Foundation
# idProduct          0x0002 2.0 root hub
# bcdDevice            5.04
# iManufacturer           3 
# iProduct                2 
# iSerial                 1 
# bNumConfigurations      1
# Configuration Descriptor:
# bLength                 9
# bDescriptorType         2
# wTotalLength       0x0019
# bNumInterfaces          1
# bConfigurationValue     1
# iConfiguration          0 
# bmAttributes         0xe0
#   Self Powered
#   Remote Wakeup
# MaxPower                0mA
# Interface Descriptor:
#   bLength                 9
#   bDescriptorType         4
#   bInterfaceNumber        0
#   bAlternateSetting       0
#   bNumEndpoints           1
#   bInterfaceClass         9 Hub
#   bInterfaceSubClass      0 
#   bInterfaceProtocol      0 Full speed (or root) hub
#   iInterface              0 
#   Endpoint Descriptor:
#     bLength                 7
#     bDescriptorType         5
#     bEndpointAddress     0x81  EP 1 IN
#     bmAttributes            3
#       Transfer Type            Interrupt
#       Synch Type               None
#       Usage Type               Data
#     wMaxPacketSize     0x0004  1x 4 bytes
#     bInterval              12

# monitor with watch
$ watch lsusb

# monitor the specific usbport
$ lsusb

# Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
# Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
# Bus 004 Device 010: ID 08bb:2902 Texas Instruments PCM2902 Audio Codec
# Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
# Bus 003 Device 004: ID 1a2c:2c27 China Resource Semico Co., Ltd USB Keyboard
# Bus 003 Device 002: ID 30fa:0301  USB OPTICAL MOUSE 
# Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
# Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

$ lsusb -s 5:1
# Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

$ lsusb -t

# OUTPUT
# /:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
# /:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
#     |__ Port 1: Dev 10, If 0, Class=Audio, Driver=snd-usb-audio, 12M
#     |__ Port 1: Dev 10, If 1, Class=Audio, Driver=snd-usb-audio, 12M
#     |__ Port 1: Dev 10, If 2, Class=Audio, Driver=snd-usb-audio, 12M
#     |__ Port 1: Dev 10, If 3, Class=Human Interface Device, Driver=usbhid, 12M
# /:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
#     |__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
#     |__ Port 2: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
#     |__ Port 2: Dev 4, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
# /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
# /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/8p, 480M

Author or Authors

• Amirhosein | amirhoseinsohrabi.official@gmail.com