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