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

NAME
function::speculate - Store a string for possible output later
SYNOPSIS
speculate(id:long,output:string)
ARGUMENTS
id buffer id to store the information in output string to write out when commit occurs
DESCRIPTION
Add a string to the speculaive buffer for id.
SEE ALSO
tapset::speculative(3stap) SystemTap Tapset Reference November 2019 FUNCTION::SPECULATE(3stap)