counting total PIDs since the server been started

[scream]

Hello freebsd-hackers,

  I`m trying to solve this puzzle >"how to get statistics about total count of
  fork`ed\exec`ed processes since the server been rebooted and even
  make some RRD-like graphs".I need it
  to make some graphs about server perfomance and stability.Could
  anyone point me to any usefull docs.

-- 
Best regards,
Dmitry S. Polyakov                          mailto:screamer at stickit.nu