kerneltop software package provides shows Linux kernel function usage in a style like top, 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 kerneltop
kerneltop is installed in your system.
Make ensure the kerneltop package were installed using the commands given below,
$ sudo dpkg-query -l | grep kerneltop *
You will get with kerneltop package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Development |
| Package | kerneltop |
| Version | 0.91-1 |
| Description | shows Linux kernel function usage in a style like top |
| Sub Section | devel |