diff options
Diffstat (limited to 'activesupport/lib/active_support/testing/performance.rb')
| -rw-r--r-- | activesupport/lib/active_support/testing/performance.rb | 271 |
1 files changed, 0 insertions, 271 deletions
diff --git a/activesupport/lib/active_support/testing/performance.rb b/activesupport/lib/active_support/testing/performance.rb deleted file mode 100644 index 7102ffe2ed..0000000000 --- a/activesupport/lib/active_support/testing/performance.rb +++ /dev/null @@ -1,271 +0,0 @@ -require 'fileutils' -require 'active_support/concern' -require 'active_support/core_ext/class/delegating_attributes' -require 'active_support/core_ext/string/inflections' -require 'active_support/core_ext/module/delegation' -require 'active_support/number_helper' - -module ActiveSupport - module Testing - module Performance - extend ActiveSupport::Concern - - included do - superclass_delegating_accessor :profile_options - self.profile_options = {} - end - - # each implementation should define metrics and freeze the defaults - DEFAULTS = - if ARGV.include?('--benchmark') # HAX for rake test - { :runs => 4, - :output => 'tmp/performance', - :benchmark => true } - else - { :runs => 1, - :output => 'tmp/performance', - :benchmark => false } - end - - def full_profile_options - DEFAULTS.merge(profile_options) - end - - def full_test_name - "#{self.class.name}##{method_name}" - end - - def run(runner) - @runner = runner - - run_warmup - if full_profile_options && metrics = full_profile_options[:metrics] - metrics.each do |metric_name| - if klass = Metrics[metric_name.to_sym] - run_profile(klass.new) - end - end - end - - return - end - - def run_test(metric, mode) - result = '.' - begin - run_callbacks :setup - setup - metric.send(mode) { __send__ method_name } - rescue Exception => e - result = @runner.puke(self.class, method_name, e) - ensure - begin - teardown - run_callbacks :teardown - rescue Exception => e - result = @runner.puke(self.class, method_name, e) - end - end - result - end - - protected - # overridden by each implementation. - def run_gc; end - - def run_warmup - run_gc - - time = Metrics::Time.new - run_test(time, :benchmark) - puts "%s (%s warmup)" % [full_test_name, time.format(time.total)] - - run_gc - end - - def run_profile(metric) - klass = full_profile_options[:benchmark] ? Benchmarker : Profiler - performer = klass.new(self, metric) - - performer.run - puts performer.report - performer.record - end - - class Performer - delegate :run_test, :full_profile_options, :full_test_name, :to => :@harness - - def initialize(harness, metric) - @harness, @metric, @supported = harness, metric, false - end - - def report - if @supported - rate = @total / full_profile_options[:runs] - '%20s: %s' % [@metric.name, @metric.format(rate)] - else - '%20s: unsupported' % @metric.name - end - end - - protected - def output_filename - "#{full_profile_options[:output]}/#{full_test_name}_#{@metric.name}" - end - end - - # overridden by each implementation. - class Profiler < Performer - def time_with_block - before = Time.now - yield - Time.now - before - end - - def run; end - def record; end - end - - class Benchmarker < Performer - def initialize(*args) - super - @supported = @metric.respond_to?('measure') - end - - def run - return unless @supported - - full_profile_options[:runs].to_i.times { run_test(@metric, :benchmark) } - @total = @metric.total - end - - def record - avg = @metric.total / full_profile_options[:runs].to_i - now = Time.now.utc.xmlschema - with_output_file do |file| - file.puts "#{avg},#{now},#{environment}" - end - end - - def environment - @env ||= [].tap do |env| - env << "#{$1}.#{$2}" if File.directory?('.git') && `git branch -v` =~ /^\* (\S+)\s+(\S+)/ - env << rails_version if defined?(Rails::VERSION::STRING) - env << "#{RUBY_ENGINE}-#{RUBY_VERSION}.#{RUBY_PATCHLEVEL}" - env << RUBY_PLATFORM - end.join(',') - end - - protected - if defined?(Rails::VERSION::STRING) - HEADER = 'measurement,created_at,app,rails,ruby,platform' - else - HEADER = 'measurement,created_at,app,ruby,platform' - end - - def with_output_file - fname = output_filename - - if new = !File.exist?(fname) - FileUtils.mkdir_p(File.dirname(fname)) - end - - File.open(fname, 'ab') do |file| - file.puts(HEADER) if new - yield file - end - end - - def output_filename - "#{super}.csv" - end - - def rails_version - "rails-#{Rails::VERSION::STRING}#{rails_branch}" - end - - def rails_branch - if File.directory?('vendor/rails/.git') - Dir.chdir('vendor/rails') do - ".#{$1}.#{$2}" if `git branch -v` =~ /^\* (\S+)\s+(\S+)/ - end - end - end - end - - module Metrics - def self.[](name) - const_get(name.to_s.camelize) - rescue NameError - nil - end - - class Base - include ActiveSupport::NumberHelper - - attr_reader :total - - def initialize - @total = 0 - end - - def name - @name ||= self.class.name.demodulize.underscore - end - - def benchmark - with_gc_stats do - before = measure - yield - @total += (measure - before) - end - end - - # overridden by each implementation. - def profile; end - - protected - # overridden by each implementation. - def with_gc_stats; end - end - - class Time < Base - def measure - ::Time.now.to_f - end - - def format(measurement) - if measurement < 1 - '%d ms' % (measurement * 1000) - else - '%.2f sec' % measurement - end - end - end - - class Amount < Base - def format(measurement) - number_to_delimited(measurement.floor) - end - end - - class DigitalInformationUnit < Base - def format(measurement) - number_to_human_size(measurement, :precision => 2) - end - end - - # each implementation provides its own metrics like ProcessTime, Memory or GcRuns - end - end - end -end - -case RUBY_ENGINE - when 'ruby' then require 'active_support/testing/performance/ruby' - when 'rbx' then require 'active_support/testing/performance/rubinius' - when 'jruby' then require 'active_support/testing/performance/jruby' - else - $stderr.puts 'Your ruby interpreter is not supported for benchmarking.' - exit -end |