Syspeek - indicator in the system tray from the drop-down menu, and information about the system resources. In one click you can learn about your system in real time.
Indicator Syspeek animated and varies for every 10% increase (or decrease) the load on the processor. When the processor is loaded to 100%, the icon turns red.
Although it is not as accurate as the data in the drop-down menu, but allows "passively" observe the user the overall load on the processor.
Once the installation, Syspeek need to run one time from the menu, then he himself is prescribed in the startup application!
sudo add-apt-repository ppa:nilarimogard/webupd8 sudo apt-get update sudo apt-get install syspeek