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probe::nfsd.proc.lookup − NFS server opening or searching for a file for client
nfsd.proc.lookup
uid
requester's user id
fh
file handle of parent dir (the first part is the length of the file handle)
gid
requester's group id
filelen
the length of file name
client_ip
the ip address of client
filename
file name
version
nfs version
proto
transfer protocol
tapset::nfsd(3stap)