> This was changed (and the message reworded) two years ago
Indeed, I pasted that from an older installation. Up-to-date computers give me this ever-confusing message:
"< Detailed C-state information is not P-states (frequencies)"
I guess since this is Intel's software, they don't pay much attention to how it looks like on AMD processors. :)
> You can't count C-state counters in software because when the CPU is in
> a C state it is not executing instructions.
But you can record timestamps before entering and after leaving the sleep state. Is that too expensive?