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

NAME
probe::nfs.fop.open - NFS client file open operation
SYNOPSIS
nfs.fop.open
VALUES
file_name
file name
ino
inode number
dev
device identifier
flag
file flag
i_size
file length in bytes
SystemTap Tapset Reference March 2016 PROBE::NFS.FOP.O(3stap)