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