Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
probe::socket.readv - Receiving a message via sock_readv
SYNOPSIS
socket.readv
VALUES
size
Message size in bytes
name
Name of this probe
state
Socket state value
flags
Socket flags value
family
Protocol family value
protocol
Protocol value
type
Socket type value
CONTEXT
The message sender
DESCRIPTION
Fires at the beginning of receiving a message on a socket via the sock_readv function
SystemTap Tapset Reference March 2016 PROBE::SOCKET.READ(3stap)