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

NAME
function::json_set_prefix - Set the metric prefix.
SYNOPSIS
json_set_prefix:long(prefix:string)
ARGUMENTS
prefix
The prefix name to be used.
DESCRIPTION
This function sets the “prefix”, which is the name of the base of the metric hierarchy. Calling this
function is optional, by default the name of the systemtap module is used.
SEE ALSO
tapset::json(3stap)
SystemTap Tapset Reference March 2016 FUNCTION::JSON_SET_P(3stap)