probe::nfsd.proc.read — NFS server reading file for client
nfsd.proc.read
vlen
read blocks
offset
the offset of file
vec
struct kvec, includes buf address in kernel address and length of each buffer
client_ip
the ip address of client
version
nfs version
gid
requester's group id
fh
file handle (the first part is the length of the file handle)
proto
transfer protocol
uid
requester's user id
size
read bytes
count
read bytes