When compared with Windows, GNU/Linux has not been managing power that efficiently and in the future mobile computers will eventually outrun desktops, so it is crucial for the survival of Ubuntu because and no one won’t bother installing an OS if has a bad reputation while managing power. Now there aren’t that many power consumption monitoring tools in GNU/Linux yet, but in recent times, especially thanks to the upcoming 12.04 Precise Pangolin, Ubuntu developers are putting some effort into enhancing the battery life. So if you had some sort of a tool that can measure the power consumption of your laptop, then you can use it before and after the upgrade, and then compare the results later and it should do the trick, right? Most users won’t be needing tools like these, but if you’re a bit of a power user, then having the ability to measure the real power consumption rate of your mobile computer ( laptop, notebook etc) under Ubuntu Linux can be quite useful.įor instance, let’s say that you recently upgraded your Kernel (a part of your operating system that communicates directly with the hardware), and the developers claimed that it will enhance the power consumption, then after the upgrade, how can you know if it has really decreased the power usage or not?

Check cpu usage in ubuntu