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

NAME
probe::nfs.fop.sendfile - NFS client send file operation
SYNOPSIS
nfs.fop.sendfile
VALUES
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
cache_time
when we started read-caching this inode
ino
inode number
dev
device identifier
count
read bytes
ppos
current position of file
SEE ALSO
tapset::nfs(3stap)
SystemTap Tapset Reference March 2016 PROBE::NFS.FOP.S(3stap)