Switch from Unity to XFCEĮxecute following command to install xfce with current unity setup. The only workaround available is to switch desktop environment of Ubuntu from Unity to lightweight XFCE. Unfortunately there is no neat solution to above problem as of as of now. If you are non AMD graphic card user then you may get out of this issue with system tuning and performance optimization. Ĭapabilities: vga_controller bus_master cap_list romįrom above output you will get details of installed graphic card and driver. You can check your graphic card information using following command. You can either use open source Radeon (mostly for old AMD graphic cards) or AMDGPU-Pro (open source version of AMDGPU). If you are using AMD graphic card then this problem will worsen because from Ubuntu 16.04 you will not be able to use propitiatory AMD graphic driver fglrx. sudo apt install lm-sensorsĬheck output of command sensors. If your machine is getting very hot then you can check core temperature and fan speed with following.įirst install lm-sensors if you have not already installed it. You would get similar result for firefox or other GUI heavy applications. With above top output we can clearly notice high amount of cpu consumption by compiz with chromium. Run following top command for few minutes and observe the spikes in % CPU and the command(process name). Check Resource Utilization in Ubuntu 16.04 Utilization would be at its peak if you open intensive GUI application like web browser. However after an update you would notice that unreasonable amount of CPU utilization by the compiz process even if your system is idle.

Ubuntu uses Unity as a default desktop environment which makes use of OpenGL library called compiz for rendering graphics. If your machine is getting hot after upgrading to Ubuntu 16.04 then you should check for resource utilization by compiz.

Ubuntu compiz