Using rack-mini-profiler

gistfile1.txt

# Gemfile 
# gem 'rack-mini-profiler'

# config/environment.rb

if Rails.env.development?
  # profile all middleware
  Qstream::Application.middleware.each do |mw|
    begin
      ::Rack::MiniProfiler.profile_method(mw.klass, :call) {|app| "#{mw.klass} call"}
    rescue
      puts "Unable to profile #{mw.klass}"
    end
  end
  
  # other bits and pieces
  ::Rack::MiniProfiler.profile_method(ActionDispatch::Routing::RouteSet::Dispatcher, :call) {|app| "ActionDispatch::Routing::RouteSet::Dispatcher#call"}
  ::Rack::MiniProfiler.profile_method(ActionDispatch::Routing::RouteSet::Dispatcher, :controller) {|app| "ActionDispatch::Routing::RouteSet::Dispatcher#controller"}
  ::Rack::MiniProfiler.profile_method(ActionDispatch::Routing::RouteSet::Dispatcher, :controller_reference) {|app| "ActionDispatch::Routing::RouteSet::Dispatcher#controller_reference"}
  ::Rack::MiniProfiler.profile_method(ActionDispatch::Routing::RouteSet::Dispatcher, :dispatch) {|app| "ActionDispatch::Routing::RouteSet::Dispatcher#dispatch"}
  ::Rack::MiniProfiler.profile_method(ActiveSupport::Dependencies::ClassCache, :get) {|key| "ActiveSupport::Dependencies::ClassCache#get #{key.respond_to?(:name) ? key.name : key }"}

  ::Rack::MiniProfiler.profile_method(UsersController, :dashboard) {|| "UsersController#dashboard"}
end