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