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

NAME
function::tz_gmtoff - Return local time zone offset
SYNOPSIS
tz_gmtoff()
ARGUMENTS
None
DESCRIPTION
Returns the local time zone offset (seconds west of UTC), as passed by staprun at script startup only.
SEE ALSO
tapset::tzinfo(3stap)
SystemTap Tapset Reference March 2016 FUNCTION::TZ_GMTOFF(3stap)