probe::nfs.fop.read_iter — NFS client read_iter file operation
nfs.fop.read_iter
parent_nameparent dir name
cache_validcache related bit mask flag
cache_timewhen we started read-caching this inode
inoinode number
file_namefile name
devdevice identifier
countread bytes
attrtimeohow 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.
poscurrent position of file