Want to change CPU frequency scaling in Ubuntu 20.04? The gnome shell extension plays that role.
CPU Power Manager is a Gnome-Shell extension for the intel-pstate driver. If you are using an Intel Core i CPU, the extension provides an indicator menu for changing the CPU frequency scaling.
To install the extension, do the following steps one at a time:
1.) Open the terminal and install
chrome-gnome-shell Package for first-time installation of Gnome shell extensions:
sudo apt install chrome-gnome-shell
2. go to Web browser extension page.. If you don’t see the toggle icon, click the link to install the browser extension.
3. Finally, refresh the web page (see the link in step 2) and switch it on to install the extension.
Once installed, the indicator applet will appear in the system tray area. For this to work, you must click the Attempt Installation option, enter your user password, and press Enter.
(Optional) To remove this gnome shell extension, go to the link in step 2 and turn it off, or use the extension tool.