Provided by: systemtap-doc_3.1-3ubuntu0.1_all 

NAME
probe::nfs.fop.read_iter - NFS client read_iter file operation
SYNOPSIS
nfs.fop.read_iter
VALUES
cache_time
when we started read-caching this inode
attrtimeo
how long the cached information is assumed to be valid. We need to revalidate the cached attrs for
this inode if jiffies - read_cache_jiffies > attrtimeo.
cache_valid
cache related bit mask flag
file_name
file name
count
read bytes
ino
inode number
parent_name
parent dir name
pos
current position of file
dev
device identifier
SEE ALSO
tapset::nfs(3stap)
SystemTap Tapset Reference March 2016 PROBE::NFS.FOP.R(3stap)