nfsiostat(8) on Linux
The text aff089b04ccb, as Debian 13 (Trixie), Debian 12 (Bookworm) shipped it.
Emulate iostat for NFS mount points using /proc/self/mountstats
Flags it lists
-
--attr -
--dir -
--help -
--list -
--page -
--sort -
--version -
-a -
-d -
-h -
-l -
-p -
-s