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