What is TuneUp? FiveRuns TuneUp is a Rails plugin for profiling the performance your applications during development. It runs locally on your machine but can also share profiling runs privately or publicly through this site. Learn more... In a hurry? Watch our TuneUp screencast. Get Started Now Rails 2.1: sudo gem install fiveruns_tuneup # Add to your config/environment.rb: config.gem 'fiverun