Very slow responding when cuda debugging

Hi, everyone:

I'm using nsight vs 2015 with cuda 10.1 on RTX2080Ti. During cuda debugging in the kernel(next-gen), whenever I press step-over, VS freezes for several seconds (typically 3~5s) before the step-over button is back to available.It is even more severe for sass/ptx debugging (and disassembly codes disappeared before showing up again...). This is quite annoying, since most of the time I'm waiting the button to come back... So I'm wondering whether this is also the case for you guys~

Probably because the debugging is emulated by CPU? My computer has two Xeon cpus and 32G memory, so I don’t think it’s the resource problem of my computer. Or maybe the problem of VS version? Any other clues? Thanks very much~