| # cpufrequtils |
| cpufrequtils allow you to monitor the speed of the processor. And the command line tool contains two utilities to inspect and configure the CPU frequency. |
| Note - cpufrequtils was promoted from an Addon to a pre-installed package in IPFire 2.21. It no longer needs to be installed separately. |
| ## Installation |
| cpufrequtils can be installed with the [Pakfire](/configuration/ipfire/pakfire) web interface or via the console: |
| ``` |
| ` pakfire install cpufrequtils` |
| pakfire install cpufrequtils |
| ``` |
| ## Usage |
| To view go to the menu **Status** > **System** > **CPU Graph** (2nd graph) |
|  |
| ##Links |
| * [pantz.org - CPU frequency scaling in Linux with cpufreq](http://www.pantz.org/software/cpufreq/usingcpufreqonlinux.html) |
| * [thinkwiki.org - How to use cpufrequtils](http://www.thinkwiki.org/wiki/How_to_use_cpufrequtils) |
| * [wiki.debian.org - CPU frequency scaling](https://wiki.debian.org/HowTo/CpuFrequencyScaling) |