How to profile your Rails and Ruby applications with ruby-prof

Installing ruby-prof -------------------- First install [ruby-prof](http://ruby-prof.rubyforge.org/): ```ruby git clone git://github.com/jeremy/ruby-prof.git cd ruby-prof/ rake gem sudo gem install pkg/ruby-prof-0.6.1.gem ``` Note that version 0.6.0 doesn't work, at least not with Rails 2.1.1. With 0.6.0 I got this message: ```ruby gem install ruby-prof to use the profiler ``` Setting up a new env

[tokada]

script/performance/request, RubyProf::CallTreePrinter