hwloc software package provides Hierarchical view of the machine - utilities, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install hwloc
hwloc is installed in your system.
Make ensure the hwloc package were installed using the commands given below,
$ sudo dpkg-query -l | grep hwloc *
You will get with hwloc package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Administration Utilities |
| Package | hwloc |
| Version | 1.11.2-3 |
| Description | Hierarchical view of the machine - utilities |
| Sub Section | admin |