Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
probe::nfsd.dispatch - NFS server receives an operation from client
SYNOPSIS
nfsd.dispatch
VALUES
prog
program number
proto
transfer protocol
proc
procedure number
version
nfs version
client_ip
the ip address of client
xid
transmission id
SystemTap Tapset Reference March 2016 PROBE::NFSD.DISPAT(3stap)