DOKK / manpages / debian 11 / 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 

size

read bytes

vec

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

file

argument file, indicates if the file has been opened.

client_ip

the ip address of client

fh

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

vlen

read blocks

count

read bytes

offset

the offset of file

tapset::nfsd(3stap)

November 2020 SystemTap Tapset Reference