@@ -1,4 +1,5 @@ pkg doc +tmp/* *.sqlite3 database.yml .gitignore @@ -20,6 +20,9 @@ include Benchmark # Don't include compilation in the benchmark ARGV.each { |expression| eval(expression) } +# Ensure we're running on a clean database +[Product, Category].each(&:delete_all) + bm(6) do |x| ARGV.each_with_index do |expression, idx| x.report("##{idx + 1}") { N.times { eval(expression) } } script/benchmarker @@ -1,6 +1,6 @@ #!/usr/bin/env ruby if ARGV.empty? - $stderr.puts "Usage: ./script/profiler 'Person.expensive_method(10)' [times] [flat|graph|graph_html]" + $stderr.puts "Usage: ./script/profiler [times] 'Person.expensive_method(10)'" exit(1) end @@ -8,44 +8,23 @@ end # it's just a convenient, quick way to load all the requirements. require File.dirname(__FILE__) + '/../spec/spec_helper' +repeat = ARGV.first.to_i > 1 ? ARGV.shift.to_i : 1 +snippet = ARGV.shift + # Define a method to profile. -if ARGV[1] and ARGV[1].to_i > 1 - eval "def profile_me() #{ARGV[1]}.times { #{ARGV[0]} } end" -else - eval "def profile_me() #{ARGV[0]} end" -end +eval "def profile_me() #{repeat}.times { #{snippet} } end" + +# Ensure we're running on a clean database +[Product, Category].each(&:delete_all) + +require "ruby-prof" +RubyProf.measure_mode = RubyProf::WALL_TIME +RubyProf.start +profile_me +printer = RubyProf::GraphHtmlPrinter.new(RubyProf.stop) -# Use the ruby-prof extension if available. Fall back to stdlib profiler. -begin - begin - require "ruby-prof" - $stderr.puts 'Using the ruby-prof extension.' - RubyProf.measure_mode = RubyProf::WALL_TIME - RubyProf.start - profile_me - results = RubyProf.stop - if ARGV[2] - printer_class = RubyProf.const_get((ARGV[2] + "_printer").classify) - else - printer_class = RubyProf::FlatPrinter - end - printer = printer_class.new(results) - printer.print($stdout) - rescue LoadError - require "prof" - $stderr.puts 'Using the old ruby-prof extension.' - Prof.clock_mode = Prof::GETTIMEOFDAY - Prof.start - profile_me - results = Prof.stop - require 'rubyprof_ext' - Prof.print_profile(results, $stdout) - end -rescue LoadError - require 'profiler' - $stderr.puts 'Using the standard Ruby profiler.' - Profiler__.start_profile - profile_me - Profiler__.stop_profile - Profiler__.print_profile($stdout) +Dir.mkdir('tmp') unless File.exist? 'tmp' +File.open('tmp/profile.html', 'w') do |file| + printer.print(file) end +`open tmp/profile.html &` script/profiler @@ -5,7 +5,7 @@ require 'active_record' require File.dirname(__FILE__) + '/../lib/populator.rb' adapter = ENV['POPULATOR_ADAPTER'] || 'sqlite3' -puts "Running specs on #{adapter}" +puts "Running on #{adapter}" # setup database adapter ActiveRecord::Base.establish_connection( spec/spec_helper.rb 1c1012301e73fa8e26c9b8c88d43ad6f2d3b6dd7 Ryan Bates ryan@railscasts.com http://github.com/ryanb/populator/commit/e8423ee02fbcbbea4988eead4926c710680ed19e e8423ee02fbcbbea4988eead4926c710680ed19e 2008-09-01T11:46:07-07:00 2008-09-01T11:46:07-07:00 improving profiler to automatically open results in browser 3c3fd2b3f9e90d5be08ae5f2c33e07967cd2ec7d Ryan Bates ryan@railscasts.com