[root@qcsmis1002 bcfg2-web]#  action_profiler ElementsController#bad ":id => 23"
/usr/lib/ruby/gems/1.8/gems/action_profiler-1.0.0/lib/action_profiler/profiled_processor.rb:146:in `load_processor':
undefined method `require__' for ProfiledProcessor:Class (NoMethodError)
	from /usr/lib/ruby/gems/1.8/gems/action_profiler-1.0.0/lib/action_profiler/profiled_processor.rb:131:in
`load_default_processor'
	from /usr/lib/ruby/gems/1.8/gems/action_profiler-1.0.0/lib/action_profiler/profiled_processor.rb:129:in `each'
	from /usr/lib/ruby/gems/1.8/gems/action_profiler-1.0.0/lib/action_profiler/profiled_processor.rb:129:in
`load_default_processor'
	from /usr/lib/ruby/gems/1.8/gems/action_profiler-1.0.0/lib/action_profiler/profiled_processor.rb:85:in `process_args'
	from /usr/lib/ruby/gems/1.8/gems/action_profiler-1.0.0/bin/action_profiler:5
	from /usr/bin/action_profiler:19:in `load'
	from /usr/bin/action_profiler:19
[root@qcsmis1002 bcfg2-web]# 


I just did a gem install and tried it form the documentation