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?
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