Cacher is the code snippet organizer for pro developers

# Install the gem
# $ gem install ruby-prof
# Or add it to Gemfile

# Initialize the profiler
RubyProf.start

# Do some heavy stuff
# ...

# Save the results and print them into an HTML file
result = RubyProf.stop
printer = RubyProf::CallStackPrinter.new(result)

File.open(Rails.root.join('tmp', 'profile_output.html'), 'w') do |file|
  printer.print(file, print_file: true)
end