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

NAME
function::user_mode - Determines if probe point occurs in user-mode
SYNOPSIS
user_mode:long()
ARGUMENTS
None
DESCRIPTION
Return 1 if the probe point occurred in user-mode.
SEE ALSO
tapset::context(3stap)
SystemTap Tapset Reference March 2016 FUNCTION::USER_MODE(3stap)