diff options
Diffstat (limited to 'actionpack/lib/action_controller/request_profiler.rb')
| -rw-r--r-- | actionpack/lib/action_controller/request_profiler.rb | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/actionpack/lib/action_controller/request_profiler.rb b/actionpack/lib/action_controller/request_profiler.rb deleted file mode 100644 index 80cd55334f..0000000000 --- a/actionpack/lib/action_controller/request_profiler.rb +++ /dev/null @@ -1,168 +0,0 @@ -require 'optparse' - -module ActionController - class RequestProfiler - # Wrap up the integration session runner. - class Sandbox - include Integration::Runner - - def self.benchmark(n, script) - new(script).benchmark(n) - end - - def initialize(script_path) - @quiet = false - define_run_method(script_path) - reset! - end - - def benchmark(n, profiling = false) - @quiet = true - print ' ' - - ms = Benchmark.ms do - n.times do |i| - run(profiling) - print_progress(i) - end - end - - puts - ms - ensure - @quiet = false - end - - def say(message) - puts " #{message}" unless @quiet - end - - private - def define_run_method(script_path) - script = File.read(script_path) - - source = <<-end_source - def run(profiling = false) - if profiling - RubyProf.resume do - #{script} - end - else - #{script} - end - - old_request_count = request_count - reset! - self.request_count = old_request_count - end - end_source - - instance_eval source, script_path, 1 - end - - def print_progress(i) - print "\n " if i % 60 == 0 - print ' ' if i % 10 == 0 - print '.' - $stdout.flush - end - end - - - attr_reader :options - - def initialize(options = {}) - @options = default_options.merge(options) - end - - - def self.run(args = nil, options = {}) - profiler = new(options) - profiler.parse_options(args) if args - profiler.run - end - - def run - sandbox = Sandbox.new(options[:script]) - - puts 'Warming up once' - - elapsed = warmup(sandbox) - puts '%.0f ms, %d requests, %d req/sec' % [elapsed, sandbox.request_count, 1000 * sandbox.request_count / elapsed] - puts "\n#{options[:benchmark] ? 'Benchmarking' : 'Profiling'} #{options[:n]}x" - - options[:benchmark] ? benchmark(sandbox) : profile(sandbox) - end - - def profile(sandbox) - load_ruby_prof - - benchmark(sandbox, true) - results = RubyProf.stop - - show_profile_results results - results - end - - def benchmark(sandbox, profiling = false) - sandbox.request_count = 0 - elapsed = sandbox.benchmark(options[:n], profiling) - count = sandbox.request_count.to_i - puts '%.0f ms, %d requests, %d req/sec' % [elapsed, count, 1000 * count / elapsed] - end - - def warmup(sandbox) - Benchmark.ms { sandbox.run(false) } - end - - def default_options - { :n => 100, :open => 'open %s &' } - end - - # Parse command-line options - def parse_options(args) - OptionParser.new do |opt| - opt.banner = "USAGE: #{$0} [options] [session script path]" - - opt.on('-n', '--times [100]', 'How many requests to process. Defaults to 100.') { |v| options[:n] = v.to_i if v } - opt.on('-b', '--benchmark', 'Benchmark instead of profiling') { |v| options[:benchmark] = v } - opt.on('-m', '--measure [mode]', 'Which ruby-prof measure mode to use: process_time, wall_time, cpu_time, allocations, or memory. Defaults to process_time.') { |v| options[:measure] = v } - opt.on('--open [CMD]', 'Command to open profile results. Defaults to "open %s &"') { |v| options[:open] = v } - opt.on('-h', '--help', 'Show this help') { puts opt; exit } - - opt.parse args - - if args.empty? - puts opt - exit - end - options[:script] = args.pop - end - end - - protected - def load_ruby_prof - begin - gem 'ruby-prof', '>= 0.6.1' - require 'ruby-prof' - if mode = options[:measure] - RubyProf.measure_mode = RubyProf.const_get(mode.upcase) - end - rescue LoadError - abort '`gem install ruby-prof` to use the profiler' - end - end - - def show_profile_results(results) - File.open "#{RAILS_ROOT}/tmp/profile-graph.html", 'w' do |file| - RubyProf::GraphHtmlPrinter.new(results).print(file) - `#{options[:open] % file.path}` if options[:open] - end - - File.open "#{RAILS_ROOT}/tmp/profile-flat.txt", 'w' do |file| - RubyProf::FlatPrinter.new(results).print(file) - `#{options[:open] % file.path}` if options[:open] - end - end - end -end |