Ah, yeah stutters has different meanings. One being people with a speech disorder and the other one is usually used for display issues (like tearing). It felt like I was using a low refresh rate screen with really low fps, but had 144Hz and 144 fps xD
USB can ramp up latency for sure, should be because of I/O overhead, which usually is ignorable when the HW is fast enough ime.
Now my fingers are itchy to try FreeBSD and OPNsense again, haha. Like I haven’t already enough stuff to do and test…