probe::nfsd.proc.read — NFS server reading file for client
nfsd.proc.read
uid
requester's user id
version
nfs version
count
read bytes
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
gid
requester's group id
offset
the offset of file
proto
transfer protocol
size
read bytes
client_ip
the ip address of client