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