Provided by: systemtap-doc_4.2-3ubuntu0.1_all 

NAME
probe::socket.sendmsg.return - Return from socket.sendmsg.
SYNOPSIS
socket.sendmsg.return
VALUES
flags
Socket flags value
family
Protocol family value
name
Name of this probe
state
Socket state value
success
Was send successful? (1 = yes, 0 = no)
protocol
Protocol value
type
Socket type value
size
Size of message sent (in bytes) or error code if success = 0
CONTEXT
The message sender.
DESCRIPTION
Fires at the conclusion of sending a message on a socket via the sock_sendmsg function
SEE ALSO
tapset::socket(3stap)
SystemTap Tapset Reference November 2019 PROBE::SOCKET.SEND(3stap)