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