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

NAME
tapset::ucontext - systemtap ucontext tapset
DESCRIPTION
umodname
Returns the (short) name of the user module.
See function::umodname(3stap)
for details.
ucallers
Return first n elements of user stack backtrace
See function::ucallers(3stap)
for details.
SEE ALSO
function::umodname(3stap), function::ucallers(3stap), stap(1), stapprobes(3stap)
SystemTap Tapset Reference March 2016 TAPSET::UCONTEXT(3stap)