def output_config
puts <<~CONFIG
+ graph_args --lower-limit 0
graph_category passenger
graph_title Passenger processes
graph_order active inactive
def output_config
puts <<~CONFIG
+ graph_args --lower-limit 0
graph_category passenger
graph_title Passenger queues
graph_vlabel count
def output_config
puts <<~CONFIG
- graph_args --base 1000
+ graph_args --base 1000 --lower-limit 0
graph_category passenger
graph_title Passenger requests
graph_vlabel requests / ${graph_period}