PROBE::NFS.FOP.A(3stap) Network File Storage Tapsets PROBE::NFS.FOP.A(3stap)

probe::nfs.fop.aio_read - NFS client aio_read file operation

nfs.fop.aio_read

count

read bytes

ino

inode number

cache_valid

cache related bit mask flag

file_name

file name

parent_name

parent dir name

dev

device identifier

buf

the address of buf in user space

attrtimeo

how 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.

pos

current position of file

cache_time

when we started read-caching this inode

tapset::nfs(3stap)

November 2023 SystemTap Tapset Reference