Why is procfs deprecated in favor of procstat?

[Hugo Silva]

> For years now I have been considering a sysctl filesystem (e.g. mounted
> as /sysctl) which would solve this dilemma.  Read-only might be a wise
> choice for this too.  But this is beyond my skill set at this time, and
> the existing documentation/examples for a pseudo filesystem are really
> not that great.
> 


http://netbsd.gw.com/cgi-bin/man-cgi?mount_sysctlfs++NetBSD-current