TopHat is a Nifty System Monitor for GNOME Shell
TopHat is a neat system monitor extension for GNOME Shell. It embeds three live updating graphs for CPU, RAM, and network usages directly in the top bar.
This post, TopHat is a Nifty System Monitor for GNOME Shell is from OMG! Ubuntu!. Do not reproduce elsewhere without permission.
Source: OMG! Ubuntu!