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How to use profile method of TestProf.RubyProf Package

Best Test-prof_ruby code snippet using TestProf.RubyProf.profile

ruby_prof.rb

Source:ruby_prof.rb

...11  #12  #   # or in your code13  #   TestProf::RubyProf.run14  #15  # To profile a specific examples add :rprof tag to it:16  #17  #   it "is doing heavy stuff", :rprof do18  #     ...19  #   end20  #21  module RubyProf22    # RubyProf configuration23    class Configuration24      PRINTERS = {25        "flat" => "FlatPrinter",26        "flat_wln" => "FlatPrinterWithLineNumbers",27        "graph" => "GraphPrinter",28        "graph_html" => "GraphHtmlPrinter",29        "dot" => "DotPrinter",30        "." => "DotPrinter",31        "call_stack" => "CallStackPrinter",32        "call_tree" => "CallTreePrinter",33        "multi" => "MultiPrinter"34      }.freeze35      # Mapping from printer to report file extension36      # NOTE: txt is not included and considered default37      PRINTER_EXTENSTION = {38        "graph_html" => "html",39        "dot" => "dot",40        "." => "dot",41        "call_stack" => "html"42      }.freeze43      LOGFILE_PREFIX = "ruby-prof-report"44      attr_accessor :printer, :mode, :min_percent,45        :include_threads, :exclude_common_methods,46        :test_prof_exclusions_enabled,47        :custom_exclusions48      def initialize49        @printer = ENV["TEST_RUBY_PROF"].to_sym if PRINTERS.key?(ENV["TEST_RUBY_PROF"])50        @printer ||= ENV.fetch("TEST_RUBY_PROF_PRINTER", :flat).to_sym51        @mode = ENV.fetch("TEST_RUBY_PROF_MODE", :wall).to_sym52        @min_percent = 153        @include_threads = false54        @exclude_common_methods = true55        @test_prof_exclusions_enabled = true56        @custom_exclusions = {}57      end58      def include_threads?59        include_threads == true60      end61      def exclude_common_methods?62        exclude_common_methods == true63      end64      def test_prof_exclusions_enabled?65        @test_prof_exclusions_enabled == true66      end67      # Returns an array of printer type (ID) and class.68      def resolve_printer69        return ["custom", printer] if printer.is_a?(Module)70        type = printer.to_s71        raise ArgumentError, "Unknown printer: #{type}" unless72          PRINTERS.key?(type)73        [type, ::RubyProf.const_get(PRINTERS[type])]74      end75    end76    # Wrapper over RubyProf profiler and printer77    class Report78      include TestProf::Logging79      def initialize(profiler)80        @profiler = profiler81      end82      # Stop profiling and generate the report83      # using provided name.84      def dump(name)85        result = @profiler.stop86        printer_type, printer_class = config.resolve_printer87        if %w[call_tree multi].include?(printer_type)88          path = TestProf.create_artifact_dir89          printer_class.new(result).print(90            path: path,91            profile: "#{RubyProf::Configuration::LOGFILE_PREFIX}-#{printer_type}-" \92              "#{config.mode}-#{name}",93            min_percent: config.min_percent94          )95        else96          path = build_path name, printer_type97          File.open(path, "w") do |f|98            printer_class.new(result).print(f, min_percent: config.min_percent)99          end100        end101        log :info, "RubyProf report generated: #{path}"102      end103      private104      def build_path(name, printer)105        TestProf.artifact_path(106          "#{RubyProf::Configuration::LOGFILE_PREFIX}-#{printer}-#{config.mode}-#{name}" \107          ".#{RubyProf::Configuration::PRINTER_EXTENSTION.fetch(printer, "txt")}"108        )109      end110      def config111        RubyProf.config112      end113    end114    class << self115      include Logging116      def config117        @config ||= Configuration.new118      end119      def configure120        yield config121      end122      # Run RubyProf and automatically dump123      # a report when the process exits.124      #125      # Use this method to profile the whole run.126      def run127        report = profile128        return unless report129        @locked = true130        log :info, "RubyProf enabled globally"131        at_exit { report.dump("total") }132      end133      def profile134        if locked?135          log :warn, <<~MSG136            RubyProf is activated globally, you cannot generate per-example report.137            Make sure you haven's set the TEST_RUBY_PROF environmental variable.138          MSG139          return140        end141        return unless init_ruby_prof142        options = {143          merge_fibers: true144        }145        options[:include_threads] = [Thread.current] unless146          config.include_threads?147        profiler = ::RubyProf::Profile.new(options)148        profiler.exclude_common_methods! if config.exclude_common_methods?149        if config.test_prof_exclusions_enabled?150          # custom test-prof exclusions151          exclude_rspec_methods(profiler)152          # custom global exclusions153          exclude_common_methods(profiler)154        end155        config.custom_exclusions.each do |klass, mids|156          profiler.exclude_methods! klass, *mids157        end158        profiler.start159        Report.new(profiler)160      end161      private162      def locked?163        @locked == true164      end165      def init_ruby_prof166        return @initialized if instance_variable_defined?(:@initialized)167        ENV["RUBY_PROF_MEASURE_MODE"] = config.mode.to_s168        @initialized = TestProf.require(169          "ruby-prof",170          <<~MSG171            Please, install 'ruby-prof' first:172               # Gemfile173              gem 'ruby-prof', '>= 0.16.0', require: false174          MSG175        ) { check_ruby_prof_version }176      end177      def check_ruby_prof_version178        if Utils.verify_gem_version("ruby-prof", at_least: "0.17.0")179          true180        else181          log :error, <<~MGS182            Please, upgrade 'ruby-prof' to version >= 0.17.0.183          MGS184          false185        end186      end187      def exclude_rspec_methods(profiler)188        return unless TestProf.rspec?189        RSpecExclusions.generate.each do |klass, mids|190          profiler.exclude_methods!(klass, *mids)191        end192      end193      def exclude_common_methods(profiler)194        if defined?(TSort)195          profiler.exclude_methods!(196            TSort,197            :tsort_each198          )199          profiler.exclude_methods!(200            TSort.singleton_class,201            :tsort_each, :each_strongly_connected_component,202            :each_strongly_connected_component_from203          )204        end205        profiler.exclude_methods!(206          BasicObject,207          :instance_exec208        )209      end210    end211  end212end213if TestProf.rspec?214  require "test_prof/ruby_prof/rspec"215  require "test_prof/ruby_prof/rspec_exclusions"216end217# Hook to run RubyProf globally218TestProf.activate("TEST_RUBY_PROF") do219  TestProf::RubyProf.run...

rspec.rb

Source:rspec.rb

1# frozen_string_literal: true2require "test_prof/utils/rspec"3module TestProf4  module RubyProf5    # Reporter for RSpec to profile specific examples with RubyProf6    class Listener # :nodoc:7      class << self8        attr_accessor :report_name_generator9      end10      self.report_name_generator = Utils::RSpec.method(:example_to_filename)11      NOTIFICATIONS = %i[12        example_started13        example_finished14      ].freeze15      def example_started(notification)16        return unless profile?(notification.example)17        notification.example.metadata[:rprof_report] =18          TestProf::RubyProf.profile19      end20      def example_finished(notification)21        return unless profile?(notification.example)22        notification.example.metadata[:rprof_report]&.dump(23          self.class.report_name_generator.call(notification.example)24        )25      end26      private27      def profile?(example)28        example.metadata.key?(:rprof)29      end30    end31  end32end33RSpec.configure do |config|34  config.before(:suite) do35    listener = TestProf::RubyProf::Listener.new36    config.reporter.register_listener(37      listener, *TestProf::RubyProf::Listener::NOTIFICATIONS38    )39  end40end...

profile

Using AI Code Generation

1  10000.times { 1 + 1 }2  10000.times { 1 + 1 }3  10000.times { 1 + 1 }4  10000.times { 1 + 1 }5  10000.times { 1 + 1 }6  10000.times { 1 + 1 }7  10000.times { 1 + 1 }8  10000.times { 1 + 1 }9  10000.times { 1 + 1 }10  10000.times { 1 + 1 }

profile

Using AI Code Generation

1TestProf::RubyProf.profile('profile_result') do2TestProf::RubyProf.profile('profile_result', :mode => :flat) do3TestProf::RubyProf.profile('profile_result', :mode => :flat, :printer => :GraphHtmlPrinter) do4TestProf::RubyProf.profile('profile_result', :mode => :flat, :printer => :GraphHtmlPrinter, :sort_order => :self_time) do5TestProf::RubyProf.profile('profile_result', :mode => :flat, :printer => :GraphHtmlPrinter, :sort_order => :self

profile

Using AI Code Generation

1TestProf::RubyProf.profile { 10.times { 1 + 1 } }2TestProf::RubyProf.profile { 10.times { 1 + 1 } }3TestProf::RubyProf.profile { 10.times { 1 + 1 } }4TestProf::RubyProf.profile { 10.times { 1 + 1 } }5TestProf::RubyProf.profile { 10.times { 1 + 1 } }6TestProf::RubyProf.profile { 10.times { 1 + 1 } }7TestProf::RubyProf.profile { 10.times { 1 + 1 } }8TestProf::RubyProf.profile { 10.times { 1 + 1 } }9TestProf::RubyProf.profile { 10.times { 1 + 1 } }10TestProf::RubyProf.profile { 10.times { 1 + 1 } }11TestProf::RubyProf.profile { 10.times { 1 + 1 } }

profile

Using AI Code Generation

1    printer = RubyProf::FlatPrinter.new(result)2    printer.print(STDOUT)3    [1, 2, 3].map { |i| i + 1 }4    [1, 2, 3].map { |i| i + 1 }

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