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puma--puma/benchmarks/local/bench_base.rb

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# frozen_string_literal: true
require 'optparse'
module TestPuma
HOST4 = ENV.fetch('PUMA_TEST_HOST4', '127.0.0.1')
HOST6 = ENV.fetch('PUMA_TEST_HOST6', '::1')
PORT = ENV.fetch('PUMA_TEST_PORT', 40001).to_i
# Array of response body sizes. If specified, set by ENV['PUMA_TEST_SIZES']
#
SIZES = if (t = ENV['PUMA_TEST_SIZES'])
t.split(',').map(&:to_i).freeze
else
[1, 10, 100, 256, 512, 1024, 2048].freeze
end
TYPES = [[:a, 'array'].freeze, [:c, 'chunk'].freeze,
[:s, 'string'].freeze, [:i, 'io'].freeze].freeze
# Creates files used by 'i' (File/IO) responses. Placed in
# "#{Dir.tmpdir}/.puma_response_body_io"
# @param sizes [Array <Integer>] Array of sizes
#
def self.create_io_files(sizes = SIZES)
require 'tmpdir'
tmp_folder = "#{Dir.tmpdir}/.puma_response_body_io"
Dir.mkdir(tmp_folder) unless Dir.exist? tmp_folder
fn_format = "#{tmp_folder}/body_io_%04d.txt"
str = ("── Puma Hello World! ── " * 31) + "── Puma Hello World! ──\n" # 1 KB
sizes.each do |len|
suf = format "%04d", len
fn = format fn_format, len
unless File.exist? fn
body = "Hello World\n#{str}".byteslice(0,1023) + "\n" + (str * (len-1))
File.write fn, body
end
end
end
# Base class for generating client request streams
#
class BenchBase
# We're running under GitHub Actions
IS_GHA = ENV['GITHUB_ACTIONS'] == 'true'
WRK_PERCENTILE = [0.50, 0.75, 0.9, 0.99, 1.0].freeze
HDR_BODY_CONF = "Body-Conf: "
# extracts 'type' string from `-b` argument
TYPES_RE = /\A[acis]+/.freeze
# extracts 'size' string from `-b` argument
SIZES_RE = /\d[\d,]*\z/.freeze
def initialize
sleep 5 # wait for server to boot
@thread_loops = nil
@clients_per_thread = nil
@req_per_client = nil
@body_sizes = SIZES
@body_types = TYPES
@dly_app = nil
@bind_type = :tcp
@ios_to_close = []
setup_options
unless File.exist? @state_file
puts "Can't find state file '#{@state_file}'"
exit 1
end
mstr_pid = File.binread(@state_file)[/^pid: +(\d+)/, 1].to_i
begin
Process.kill 0, mstr_pid
rescue Errno::ESRCH
puts 'Puma server stopped?'
exit 1
rescue Errno::EPERM
end
case @bind_type
when :ssl, :ssl4, :tcp, :tcp4
@bind_host = HOST4
@bind_port = PORT
when :ssl6, :tcp6
@bind_host = HOST6
@bind_port = PORT
when :unix
@bind_path = 'tmp/benchmark_skt.unix'
when :aunix
@bind_path = '@benchmark_skt.aunix'
else
exit 1
end
end
def setup_options
OptionParser.new do |o|
o.on "-T", "--stream-threads THREADS", OptionParser::DecimalInteger, "request_stream: loops/threads" do |arg|
@stream_threads = arg.to_i
end
o.on "-c", "--wrk-connections CONNECTIONS", OptionParser::DecimalInteger, "request_stream: clients_per_thread" do |arg|
@wrk_connections = arg.to_i
end
o.on "-R", "--requests REQUESTS", OptionParser::DecimalInteger, "request_stream: requests per socket" do |arg|
@req_per_socket = arg.to_i
end
o.on "-D", "--duration DURATION", OptionParser::DecimalInteger, "wrk/stream: duration" do |arg|
@duration = arg.to_i
end
o.on "-b", "--body_conf BODY_CONF", String, "CI RackUp: type and size of response body in kB" do |arg|
if (types = arg[TYPES_RE])
@body_types = TYPES.select { |a| types.include? a[0].to_s }
end
if (sizes = arg[SIZES_RE])
@body_sizes = sizes.split(',')
@body_sizes.map!(&:to_i)
@body_sizes.sort!
end
end
o.on "-d", "--dly_app DELAYAPP", Float, "CI RackUp: app response delay" do |arg|
@dly_app = arg.to_f
end
o.on "-s", "--socket SOCKETTYPE", String, "Bind type: tcp, ssl, tcp6, ssl6, unix, aunix" do |arg|
@bind_type = arg.to_sym
end
o.on "-S", "--state PUMA_STATEFILE", String, "Puma Server: state file" do |arg|
@state_file = arg
end
o.on "-t", "--threads PUMA_THREADS", String, "Puma Server: threads" do |arg|
@threads = arg
end
o.on "-w", "--workers PUMA_WORKERS", OptionParser::DecimalInteger, "Puma Server: workers" do |arg|
@workers = arg.to_i
end
o.on "-W", "--wrk_bind WRK_STR", String, "wrk: bind string" do |arg|
@wrk_bind_str = arg
end
o.on("-h", "--help", "Prints this help") do
puts o
exit
end
end.parse! ARGV
end
def close_clients
closed = 0
@ios_to_close.each do |socket|
if socket && socket.to_io.is_a?(IO) && !socket.closed?
begin
if @bind_type == :ssl
socket.sysclose
else
socket.close
end
closed += 1
rescue Errno::EBADF
end
end
end
puts "Closed #{closed} sockets" unless closed.zero?
end
# Runs wrk and returns data from its output.
# @param cmd [String] The wrk command string, with arguments
# @return [Hash] The wrk data
#
def run_wrk_parse(cmd, log: false)
STDOUT.syswrite cmd.ljust 55
if @dly_app
cmd.sub! ' -H ', " -H 'Dly: #{@dly_app.round 4}' -H "
end
wrk_output = %x[#{cmd}]
if log
puts '', wrk_output, ''
end
wrk_data = "#{wrk_output[/\A.+ connections/m]}\n#{wrk_output[/ Thread Stats.+\z/m]}"
ary = wrk_data[/^ +\d+ +requests.+/].strip.split ' '
fmt = " | %6s %s %s %7s %8s %s\n"
STDOUT.syswrite format(fmt, *ary)
hsh = {}
rps = wrk_data[/^Requests\/sec: +([\d.]+)/, 1].to_f
requests = wrk_data[/^ +(\d+) +requests/, 1].to_i
transfer = wrk_data[/^Transfer\/sec: +([\d.]+)/, 1].to_f
transfer_unit = wrk_data[/^Transfer\/sec: +[\d.]+(GB|KB|MB)/, 1]
transfer_mult = mult_for_unit transfer_unit
read = wrk_data[/ +([\d.]+)(GB|KB|MB) +read$/, 1].to_f
read_unit = wrk_data[/ +[\d.]+(GB|KB|MB) +read$/, 1]
read_mult = mult_for_unit read_unit
resp_transfer = (transfer * transfer_mult)/rps
resp_read = (read * read_mult)/requests.to_f
mult = transfer/read
hsh[:resp_size] = ((resp_transfer * mult + resp_read)/(mult + 1)).round
hsh[:resp_size] = hsh[:resp_size] - 1770 - hsh[:resp_size].to_s.length
hsh[:rps] = rps.round
hsh[:requests] = requests
if (t = wrk_data[/^ +Socket errors: +(.+)/, 1])
hsh[:errors] = t
end
read = wrk_data[/ +([\d.]+)(GB|KB|MB) +read$/, 1].to_f
unit = wrk_data[/ +[\d.]+(GB|KB|MB) +read$/, 1]
mult = mult_for_unit unit
hsh[:read] = (mult * read).round
if hsh[:errors]
t = hsh[:errors]
hsh[:errors] = t.sub('connect ', 'c').sub('read ', 'r')
.sub('write ', 'w').sub('timeout ', 't')
end
t_re = ' +([\d.ums]+)'
latency =
wrk_data.match(/^ +50%#{t_re}\s+75%#{t_re}\s+90%#{t_re}\s+99%#{t_re}/).captures
# add up max time
latency.push wrk_data[/^ +Latency.+/].split(' ')[-2]
hsh[:times_summary] = WRK_PERCENTILE.zip(latency.map do |t|
if t.end_with?('ms')
t.to_f
elsif t.end_with?('us')
t.to_f/1000
elsif t.end_with?('s')
t.to_f * 1000
else
0
end
end).to_h
hsh
end
def mult_for_unit(unit)
case unit
when 'KB' then 1_024
when 'MB' then 1_024**2
when 'GB' then 1_024**3
end
end
# Outputs info about the run. Example output:
#
# benchmarks/local/response_time_wrk.sh -w2 -t5:5 -s tcp6
# Server cluster mode -w2 -t5:5, bind: tcp6
# Puma repo branch 00-response-refactor
# ruby 3.2.0dev (2022-06-11T12:26:03Z master 28e27ee76e) +YJIT [x86_64-linux]
#
def env_log
puts "#{ENV['PUMA_BENCH_CMD']} #{ENV['PUMA_BENCH_ARGS']}"
puts @workers ?
"Server cluster mode -w#{@workers} -t#{@threads}, bind: #{@bind_type}" :
"Server single mode -t#{@threads}, bind: #{@bind_type}"
branch = %x[git branch][/^\* (.*)/, 1]
if branch
puts "Puma repo branch #{branch.strip}", RUBY_DESCRIPTION
else
const = File.read File.expand_path('../../lib/puma/const.rb', __dir__)
puma_version = const[/^ +PUMA_VERSION[^'"]+['"]([^\s'"]+)/, 1]
puts "Puma version #{puma_version}", RUBY_DESCRIPTION
end
end
# Parses data returned by `PumaInfo.run stats`
# @return [Hash] The data from Puma stats
#
def parse_stats
stats = {}
obj = @puma_info.run 'stats'
worker_status = obj[:worker_status]
worker_status.each do |w|
pid = w[:pid]
req_cnt = w[:last_status][:requests_count]
id = format 'worker-%01d-%02d', w[:phase], w[:index]
hsh = {
pid: pid,
requests: req_cnt - @worker_req_ttl[pid],
backlog: w[:last_status][:backlog]
}
@pids[pid] = id
@worker_req_ttl[pid] = req_cnt
stats[id] = hsh
end
stats
end
# Runs gc in the server, then parses data from
# `smem -c 'pid rss pss uss command'`
# @return [Hash] The data from smem
#
def parse_smem
@puma_info.run 'gc'
sleep 1
hsh_smem = Hash.new []
pids = @pids.keys
smem_info = %x[smem -c 'pid rss pss uss command']
smem_info.lines.each do |l|
ary = l.strip.split ' ', 5
if pids.include? ary[0].to_i
hsh_smem[@pids[ary[0].to_i]] = {
pid: ary[0].to_i,
rss: ary[1].to_i,
pss: ary[2].to_i,
uss: ary[3].to_i
}
end
end
hsh_smem.sort.to_h
end
end
class ResponseTimeBase < BenchBase
def run
@puma_info = PumaInfo.new ['-S', @state_file]
end
# Prints summarized data. Example:
# ```
# Body ────────── req/sec ────────── ─────── req 50% times ───────
# KB array chunk string io array chunk string io
# 1 13760 13492 13817 9610 0.744 0.759 0.740 1.160
# 10 13536 13077 13492 9269 0.759 0.785 0.760 1.190
# ```
#
# @param summaries [Hash] generated in subclasses
#
def overall_summary(summaries)
names = +''
@body_types.each { |_, t_desc| names << t_desc.rjust(8) }
puts "\nBody ────────── req/sec ────────── ─────── req 50% times ───────" \
"\n KB #{names.ljust 32}#{names}"
len = @body_types.length
digits = [4 - Math.log10(@max_050_time).to_i, 3].min
fmt_rps = ('%6d ' * len).strip
fmt_times = (digits < 0 ? " %6d" : " %6.#{digits}f") * len
@body_sizes.each do |size|
line = format '%-5d ', size
resp = ''
line << format(fmt_rps , *@body_types.map { |_, t_desc| summaries[size][t_desc][:rps] }).ljust(30)
line << format(fmt_times, *@body_types.map { |_, t_desc| summaries[size][t_desc][:times_summary][0.5] })
puts line
end
puts '─' * 69
end
end
end
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