nfsstats.pl is a Net-SNMP sub-agent that parses
/proc/net/rpc/nfs and /proc/net/rpc/nfsd to obtain
NFS statistics (just like nfsstat), and reports
these as SNMP values. It is useful for remotely
monitoring NFS client or server usage via SNMP to
utilities like MRTG, Cacti, or Ganglia.