'nmon' doesn't get much attention, but it feels lightweight (I haven't tested if it really is) - https://en.wikipedia.org/wiki/Nmon https://en.wikipedia.org/wik

'nmon' doesn't get much attention, but it feels lightweight (I haven't tested if it really is) - https://en.wikipedia.org/wiki/Nmon https://en.wikipedia.org/wiki/Nmon