Class: Rack::RubyProf

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby-prof/rack.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ RubyProf

Returns a new instance of RubyProf.



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# File 'lib/ruby-prof/rack.rb', line 5

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/ruby-prof/rack.rb', line 9

def call(env)
  ::RubyProf.start
  result = @app.call(env)
  data = ::RubyProf.stop

  print(data)
  result
end

#print(data) ⇒ Object 



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# File 'lib/ruby-prof/rack.rb', line 18

def print(data)
  printers = {::RubyProf::FlatPrinter => ::File.join(Dir.tmpdir, 'profile.txt'),
              ::RubyProf::GraphHtmlPrinter => ::File.join(Dir.tmpdir, 'profile.html')}

  printers.each do |printer_klass, file_name|
    printer = printer_klass.new(data)
    ::File.open(file_name, 'wb') do |file|
      printer.print(file, :min_percent => 0.00000001 )
    end
  end
end