How To Install kerneltop on Debian 11

In this tutorial we learn how to install kerneltop on Debian 11. kerneltop is shows Linux kernel function usage in a style like top

Introduction

In this tutorial we learn how to install kerneltop on Debian 11.

What is kerneltop

kerneltop is:

kerneltop shows Linux kernel function information usage (modules not included) like top do for process, and is derived from readprofile.

It needs profiling enabled on kernel at boot time.

There are three methods to install kerneltop on Debian 11. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install kerneltop Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install kerneltop using apt-get by running the following command:

sudo apt-get -y install kerneltop

Install kerneltop Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install kerneltop using apt by running the following command:

sudo apt -y install kerneltop

Install kerneltop Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install kerneltop using aptitude by running the following command:

sudo aptitude -y install kerneltop

How To Uninstall kerneltop on Debian 11

To uninstall only the kerneltop package we can use the following command:

sudo apt-get remove kerneltop

Uninstall kerneltop And Its Dependencies

To uninstall kerneltop and its dependencies that are no longer needed by Debian 11, we can use the command below:

sudo apt-get -y autoremove kerneltop

Remove kerneltop Configurations and Data

To remove kerneltop configuration and data from Debian 11 we can use the following command:

sudo apt-get -y purge kerneltop

Remove kerneltop configuration, data, and all of its dependencies

We can use the following command to remove kerneltop configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge kerneltop

Dependencies

kerneltop have the following dependencies:

References

Summary

In this tutorial we learn how to install kerneltop package on Debian 11 using different package management tools: apt, apt-get and aptitude.