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

NAME
function::discard - Discard all output related to a speculation buffer
SYNOPSIS
discard(id:long)
ARGUMENTS
id
of the buffer to store the information in
SEE ALSO
tapset::speculative(3stap)
SystemTap Tapset Reference March 2016 FUNCTION::DISCARD(3stap)