Provided by: systemtap-doc_3.1-3ubuntu0.1_all 

NAME
probe::tcp.sendmsg.return - Sending TCP message is done
SYNOPSIS
tcp.sendmsg.return
VALUES
name Name of this probe size Number of bytes sent or error code if an error occurred.
CONTEXT
The process which sends a tcp message
SEE ALSO
tapset::tcp(3stap)