# File activesupport/lib/active_support/testing/performance.rb, line 167
167:         def initialize(*args)
168:           super
169:           @supported = @metric.measure_mode rescue false
170:         end

     # File activesupport/lib/active_support/testing/performance.rb, line 191
191:         def record
192:           return unless @supported
193: 
194:           klasses = profile_options[:formats].map { |f| RubyProf.const_get("#{f.to_s.camelize}Printer") }.compact
195: 
196:           klasses.each do |klass|
197:             fname = output_filename(klass)
198:             FileUtils.mkdir_p(File.dirname(fname))
199:             File.open(fname, 'wb') do |file|
200:               klass.new(@data).print(file, profile_options.slice(:min_percent))
201:             end
202:           end
203:         end

     # File activesupport/lib/active_support/testing/performance.rb, line 183
183:         def report
184:           if @supported
185:             super
186:           else
187:             '%20s: unsupported' % @metric.name
188:           end
189:         end

     # File activesupport/lib/active_support/testing/performance.rb, line 172
172:         def run
173:           return unless @supported
174: 
175:           RubyProf.measure_mode = @metric.measure_mode
176:           RubyProf.start
177:           RubyProf.pause
178:           profile_options[:runs].to_i.times { run_test(@metric, :profile) }
179:           @data = RubyProf.stop
180:           @total = @data.threads.values.sum(0) { |method_infos| method_infos.sort.last.total_time }
181:         end

     # File activesupport/lib/active_support/testing/performance.rb, line 206
206:           def output_filename(printer_class)
207:             suffix =
208:               case printer_class.name.demodulize
209:                 when 'FlatPrinter'; 'flat.txt'
210:                 when 'GraphPrinter'; 'graph.txt'
211:                 when 'GraphHtmlPrinter'; 'graph.html'
212:                 when 'CallTreePrinter'; 'tree.txt'
213:                 else printer_class.name.sub(/Printer$/, '').underscore
214:               end
215: 
216:             "#{super()}_#{suffix}"
217:           end