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