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