Click/Key counting by keyboard/mouse

What about being able to see the click-/ and keycount by keyboard or mouse?
Especially on stationary computers you use multiple and different keyboards or mouses (but also on laptops there are external mouses)
I would love it, to have as standard the total click and key overview for the computer (as it is now) but being able to choose a specific device that i use or used and see how much i worked on that (i.e. before it broke and had to be replaced)