DOKK / manpages / debian 12 / systemtap-doc / probe::nfsd.read.3stap.en
PROBE::NFSD.READ(3stap) Network File Storage Tapsets PROBE::NFSD.READ(3stap)

probe::nfsd.read - NFS server reading data from a file for client

nfsd.read 

file

argument file, indicates if the file has been opened.

size

read bytes

client_ip

the ip address of client

count

read bytes

fh

file handle (the first part is the length of the file handle)

offset

the offset of file

vlen

read blocks

vec

struct kvec, includes buf address in kernel address and length of each buffer

tapset::nfsd(3stap)

November 2022 SystemTap Tapset Reference