is this normal?

[texre]

is it normal to have an average of 1000us?

[Slender]

as I was informed, this program works strangely on the new windows 10 timer, so the result may not correspond to reality. In any case, this program displays some patterns. Try different bcdedit settings.
useplatformtick yes + 0.5ms
useplatformtick yes 1ms
disabledynamicktick yes/no
Deletevalue useplatformclock / set useplatformclock no
useplatformtick no / deletevalue