DOKK / manpages / debian 10 / 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.

client_ip

the ip address of client

offset

the offset of file

vlen

read blocks

fh

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

vec

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

size

read bytes

count

read bytes

tapset::nfsd(3stap)

October 2018 SystemTap Tapset Reference