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b41fa4988a
ensure you clear the tmp/cache folder on each bench (so results are correct, there is an incompat upgrade) add facter gem which will be used to collect hardware data from the bencher
137 lines
3.1 KiB
Ruby
137 lines
3.1 KiB
Ruby
require "socket"
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require "csv"
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require "yaml"
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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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begin
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require 'facter'
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rescue LoadError
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run "gem install facter"
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puts "just installed the facter gem, please re-run script"
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exit
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end
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@timings = {}
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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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# critical cause cache may be incompatible or something
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`rm -fr tmp/cache`
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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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# TODO include Facter.to_hash ... for all facts
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ensure
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Process.kill "KILL", pid
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end
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