inputplug software package provides XInput monitor, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install inputplug
inputplug is installed in your system.
Make ensure the inputplug package were installed using the commands given below,
$ sudo dpkg-query -l | grep inputplug *
You will get with inputplug package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | X Window System software |
| Package | inputplug |
| Version | 0.2-2 |
| Description | XInput monitor |
| Sub Section | x11 |