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125 lines
2.8 KiB
Ruby
125 lines
2.8 KiB
Ruby
require "socket"
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require "csv"
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require "yaml"
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@timings = {}
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def run(command)
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system(command, out: $stdout, err: :out)
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end
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def measure(name)
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start = Time.now
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yield
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@timings[name] = ((Time.now - start) * 1000).to_i
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end
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def prereqs
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puts "Be sure to following packages are installed:
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sudo tasksel install postgresql-server
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sudo apt-get -y install build-essential libssl-dev libyaml-dev git libtool libxslt-dev libxml2-dev libpq-dev gawk curl pngcrush python-software-properties
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sudo apt-add-repository -y ppa:rwky/redis
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sudo apt-get update
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sudo apt-get install redis-server
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"
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end
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puts "Running bundle"
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if !run("bundle")
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puts "Quitting, some of the gems did not install"
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prereqs
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exit
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end
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puts "Ensuring config is setup"
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unless %x{which ab > /dev/null 2>&1}
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abort "Apache Bench is not installed. Try: apt-get install apache2-utils or brew install ab"
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end
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unless File.exists?("config/database.yml")
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puts "Copying database.yml.development.sample to database.yml"
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`cp config/database.yml.development-sample config/database.yml`
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end
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unless File.exists?("config/redis.yml")
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puts "Copying redis.yml.sample to redis.yml"
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`cp config/redis.yml.sample config/redis.yml`
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end
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# Github settings
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ENV["RAILS_ENV"] = "profile"
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ENV["RUBY_GC_MALLOC_LIMIT"] = "1000000000"
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ENV["RUBY_HEAP_SLOTS_GROWTH_FACTOR"] = "1.25"
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ENV["RUBY_HEAP_MIN_SLOTS"] = "800000"
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ENV["RUBY_FREE_MIN"] = "600000"
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def port_available? port
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server = TCPServer.open("0.0.0.0", port)
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server.close
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true
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rescue Errno::EADDRINUSE
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false
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end
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@port = 60079
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while !port_available? @port
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@port += 1
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end
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puts "Ensuring profiling DB exists and is migrated"
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puts `bundle exec rake db:create`
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`bundle exec rake db:migrate`
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puts "Timing loading Rails"
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measure("load_rails") do
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`bundle exec rake middleware`
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end
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puts "Populating Profile DB"
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run("bundle exec ruby script/profile_db_generator.rb")
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def bench(path)
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puts "Running apache bench warmup"
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`ab -n 100 http://127.0.0.1:#{@port}#{path}`
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puts "Benchmarking #{path}"
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`ab -n 100 -e tmp/ab.csv http://127.0.0.1:#{@port}#{path}`
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percentiles = Hash[*[50, 75, 90, 99].zip([]).flatten]
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CSV.foreach("tmp/ab.csv") do |percent, time|
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percentiles[percent.to_i] = time.to_i if percentiles.key? percent.to_i
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end
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percentiles
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end
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begin
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pid = spawn("bundle exec thin start -p #{@port}")
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while port_available? @port
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sleep 1
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end
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puts "Starting benchmark..."
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home_page = bench("/")
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topic_page = bench("/t/oh-how-i-wish-i-could-shut-up-like-a-tunnel-for-so/69")
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puts "Your Results: (note for timings- percentile is first, duration is second in millisecs)"
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puts({
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"home_page" => home_page,
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"topic_page" => topic_page,
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"timings" => @timings,
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"ruby-version" => "#{RUBY_VERSION}-p#{RUBY_PATCHLEVEL}",
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"rails4?" => ENV["RAILS4"] == "1"
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}.to_yaml)
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ensure
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Process.kill "KILL", pid
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end
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