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

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

tapset::nfsd(3stap)

SystemTap Tapset Reference                         April 2024                            PROBE::NFSD.READ(3stap)

       nfsd.read

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

       offset
           the offset of file

       client_ip
           the ip address of client

       size
           read bytes

       vlen
           read blocks

       count
           read bytes

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

       file
           argument file, indicates if the file has been opened.