PROBE::NFS.AOP.R(3stap) Network File Storage Tapsets PROBE::NFS.AOP.R(3stap)

probe::nfs.aop.readpage - NFS client synchronously reading a page

nfs.aop.readpage

rsize

read size (in bytes)

dev

device identifier

i_flag

file flags

__page

the address of page

ino

inode number

page_index

offset within mapping, can used a page identifier and position identifier in the page frame

size

number of pages to be read in this execution

sb_flag

super block flags

file

file argument

i_size

file length in bytes

Read the page over, only fires when a previous async read operation failed

tapset::nfs(3stap)

November 2023 SystemTap Tapset Reference