really slow problem with nvme

Hi,

this is a Samsung SSD 970 EVO Plus 1TB nvme and gpart and newfs
were already slow (it took like two hours for newfs).

Here's another example now:

# /usr/bin/time mkdir foo
         1.82 real         0.00 user         0.00 sys

How does one debug this?

-- 
Bjoern A. Zeeb                                                     r15:7