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|
#!/usr/bin/env ruby
#
# run.rb: Run OpenSSL speed tests on several systems, then do
# the following:
#
# * Aggregate results as CSV files
# * Create SVG charts of the results
# * Generate HTML summary of results.
#
# Usage: ./run.rb config.yaml
#
# See included `config.yaml` for configuration options
#
require 'fileutils'
require 'yaml'
require 'csv'
require 'logger'
require 'json'
require 'luigi-template'
#
# Run OpenSSL speed tests on several systems, then generate HTML, SVG,
# and CSV results.
#
# Use PiBench.run for command-line invocation.
#
module PiBench
# block sizes
SIZES = %w{16 64 256 1024 8192 16384}
#
# list of tests to run.
#
TESTS = [{
name: 'lscpu',
exec: %w{lscpu},
}, {
name: 'version',
exec: %w{openssl version},
}, {
name: 'speed',
exec: %w{openssl speed -mr -evp},
type: 'algos', # run test for each algorithm
}]
#
# Default list of EVP algorithms.
#
# (Note: sha3-256 because it is not supported in older versions of
# openssl)
#
ALGOS = %w{
blake2b512
blake2s256
sha256
sha512
aes-128-cbc
aes-192-cbc
aes-256-cbc
}
#
# Map of type to column headers.
#
# Used to generate CSV and HTML table column headers.
#
COLS = {
all: [{
id: 'host',
name: 'host',
}, {
id: 'algo',
name: 'algo',
}, {
id: 'size',
name: 'size',
}, {
id: 'speed',
name: 'speed',
}],
algo: [{
id: 'host',
name: 'host',
}, {
id: 'size',
name: 'size',
}, {
id: 'speed',
name: 'speed',
}],
# columns for csvs/hosts.csv and html/hosts.html
hosts: [{
id: 'name',
name: 'Name',
tip: 'System name.',
}, {
id: 'text',
name: 'Description',
tip: 'System description.',
}, {
id: 'architecture',
name: 'Architecture',
tip: 'Processor architecture.',
}, {
id: 'mhz',
name: 'Speed (MHz)',
tip: 'Maximum CPU speed, in MHz.',
}, {
id: 'aes',
name: 'AES?',
tip: 'Does this CPU have hardware-accelerated AES instructions?',
}, {
id: 'openssl',
name: 'OpenSSL Version',
tip: 'OpenSSL version.',
}],
}.freeze
#
# Architecture strings.
#
ARCHS = {
all: {
name: 'All System',
text: %{
<p>
OpenSSL speed test results by algorithm across all systems.
</p>
<p>
Note: The x86-64 CPUs have <a
href='https://en.wikipedia.org/wiki/AES_instruction_set'
title='Intel AES-NI instructions.'
>hardware-accelerated AES (AES-NI)</a>, and the
Raspberry Pi CPUs do not.
</p>
}.strip,
},
arm: {
name: 'Raspberry Pi',
text: %{
<p>
OpenSSL speed test results by algorithm for Raspberry Pi
systems only.
</p>
}.strip,
},
x86: {
name: 'x86-64',
text: %{
<p>
OpenSSL speed test results, by algorithm for x86-64 systems
only.
</p>
}.strip,
},
}.freeze
#
# Links in introduction of index.html.
#
LINKS = [{
href: 'csvs/all-all.csv',
title: 'Download all results as a CSV file.',
text: 'Download Results (CSV)',
}, {
href: 'https://github.com/pablotron/p4-bench',
title: 'View code on GitHub.',
text: 'GitHub Page',
}].freeze
#
# Template cache. Used to generate index.html.
#
TEMPLATES = Luigi::Cache.new({
index: %{
<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='utf-8'/>
<meta
name='viewport'
content='width=device-width, initial-scale=1, shrink-to-fit=no'
/>
<link
rel='stylesheet'
type='text/css'
href='https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css'
integrity='sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T'
crossorigin='anonymous'
/>
<title>%{title|h}</title>
</head>
<body>
<div class='container'>
<h1>%{title|h}</h1>
<p>
This page contains OpenSSL benchmarks across several
Raspberry Pis and x86-64 systems generated using the
<code>openssl speed</code> command.
</p>
<ul>
%{links}
</ul>
<section>
<h2>Test System Details</h2>
<p>
Test system details.
</p>
%{hosts}
</section>
%{sections}
</div><!-- container -->
</body>
</html>
}.strip,
all: %{
<table class='table table-sm table-hover'>
<thead>
<tr>%{cols}</tr>
</thead>
<tbody>
%{rows}
</tbody>
<tfoot>
<tr>
<td colspan='%{cols|size|h}'>
<a
href='csvs/hosts.csv'
title='Download test system details as a CSV.'
>
Download
</a>
</td>
</tr>
</tfoot>
</table>
}.strip,
col: %{
<th title='%{tip|h}'>
%{name|h}
</th>
}.strip,
row: %{
<tr>%{row}</tr>
}.strip,
cell: %{
<td title='%{tip|h}'>
%{text|h}
</td>
}.strip,
svg_title: %{
%{arch|h} Test Results: %{algo|h}
}.strip,
svg: %{
<img
src='%{path|h}'
class='img-fluid'
title='%{name|h}'
alt='%{name|h}'
/>
}.strip,
link: %{
<li>
<a href='%{href|h}' title='%{title|h}'>
%{text|h}
</a>
</li>
}.strip,
section: %{
<section>
<h2>%{name|h} Test Results</h2>
%{text}
%{svgs}
</section>
}.strip,
})
#
# Utility methods.
#
module Util
#
# Save CSV file.
#
def self.save_csv(path, cols, rows)
::CSV.open(path, 'wb') do |csv|
# write headers
csv << cols
# write rows
rows.each do |row|
csv << row
end
end
end
#
# Load config file and check for required keys.
#
def self.load_config(path)
# read/check config
::YAML.load_file(path).tap do |r|
# check for required config keys
missing = %w{out_dir hosts}.reject { |key| r.key?(key) }
raise "Missing required config keys: #{missing}" if missing.size > 0
end
end
end
#
# Background process mixin.
#
module BG
#
# Generate SSH command.
#
def ssh(host, cmd)
['/usr/bin/ssh', host, *cmd]
end
#
# Spawn background task that writes standard output to given file
# and return the PID.
#
def bg(out, cmd)
@log.debug('bg') do
JSON.unparse({
out: out,
cmd: cmd,
})
end
# run background task
spawn(*cmd,
in: '/dev/null',
out: out,
err: '/dev/null',
close_others: true
)
end
end
#
# Process a map of hosts to background command queues in parallel.
#
class HostQueue
include BG
#
# Allow singleton invocation.
#
def self.run(log, queues)
new(log, queues).run
end
#
# Create a new instance.
#
def initialize(log, queues = {})
@log, @queues = log, queues
@pids = {}
end
#
# Block until all commands have been run successfully on all hosts,
# or until any command on any host fails.
#
def run
# start initial per-host tasks
@queues.keys.each do |host|
drain(host)
end
# loop until all tasks have been completed
until done?
@log.debug('HostQueue#run') do
# log state
'Process.wait(): %s ' % [JSON.unparse({
pids: @pids,
queues: @queues,
})]
end
# get pid and status of child that exited
pid = Process.wait(-1, Process::WUNTRACED)
st = $?
# map pid to host
if host = @pids.delete(pid)
if st.success?
@log.debug('HostQueue#run') do
# log success
'command done: %s' % [JSON.unparse({
host: host,
pid: pid,
})]
end
else
# build error message
err = 'command failed: %s' % [JSON.unparse({
host: host,
pid: pid,
})]
# log and raise error
@log.fatal('HostQueue#run') { err }
raise err
end
# start next command from host
drain(host)
end
end
end
private
#
# Start next queued command from given host.
#
def drain(host)
# get queue for host
queue = @queues[host]
return unless queue && queue.size > 0
# drain host queue of commands that can be skipped
while queue.size > 0 && File.exists?(queue.first[:out])
@log.debug('HostQueue#drain') do
'skipping command: %s' % [JSON.unparse({
host: host,
row: queue.first
})]
end
# remove skipped command
queue.shift
end
if row = queue.shift
# invoke task, grab pid
pid = bg(row[:out], ssh(host, row[:cmd]))
# log task
@log.debug('HostQueue#drain') do
JSON.unparse({
host: host,
row: row,
pid: pid,
})
end
# add pid to pid to host map
@pids[pid] = host
end
nil
end
#
# Are all running and pending tasks complete?
#
def done?
@pids.size == 0 && @queues.keys.all? { |k| @queues[k].size == 0 }
end
end
#
# Base one-shot runnable class.
#
class Runnable
def self.run(model)
new(model).run
end
def initialize(model)
@model = model
end
def run
raise "not implemented"
end
protected
def out_dir
@model.out_dir
end
end
#
# Fetch any needed data.
#
class DataFetcher < Runnable
#
# Create output directories and fetch any data, if needed.
#
def run
# create output directories
make_dirs
# fetch any pending data
fetch_data
end
private
# output directories
OUT_DIRS = %w{html csvs svgs}
#
# Create output directories.
#
def make_dirs
dirs = (OUT_DIRS + @model.config['hosts'].map { |row|
'hosts/%s' % [row['name']]
}).map { |dir|
'%s/%s' % [out_dir, dir]
}
@model.log.debug('make_dirs') { JSON.unparse(dirs) }
FileUtils.mkdir_p(dirs)
end
#
# Spawn tasks in background and block until they are complete.
#
def fetch_data
# build map of hosts to task lists
queues = Hash.new { |h, k| h[k] = [] }
# populate map
@model.config['hosts'].each do |row|
TESTS.each do |test|
case test[:type]
when 'algos'
# queue test command for each algorithm
(@model.config['algos'] || ALGOS).each do |algo|
queues[row['host']] << {
cmd: [*test[:exec], algo],
out: '%s/hosts/%s/%s-%s.txt' % [
out_dir,
row['name'],
test[:name],
algo,
],
}
end
else
# queue command for test
queues[row['host']] << {
cmd: test[:exec],
out: '%s/hosts/%s/%s.txt' % [
out_dir,
row['name'],
test[:name],
]
}
end
end
end
# block until all task queues have completed successfully
HostQueue.run(@model.log, queues)
end
end
#
# Data parsers.
#
module Parsers
#
# Namespace for OpenSSL data parsers.
#
module OpenSSL
#
# Parse openssl benchmark data into a nested map of architecture
# sets, algorithms, and rows.
#
class SpeedParser < Runnable
def run
@model.config['hosts'].reduce(Hash.new do |h, k|
h[k] = Hash.new do |h2, k2|
h2[k2] = { max: 0, rows: [] }
end
end) do |r, row|
# build absolute path to openssl speed data files
glob = '%s/hosts/%s/speed-*.txt' % [out_dir, row['name']]
# parse speed files
Dir[glob].each do |path|
# get arch
arch = row['pi'] ? 'arm' : 'x86'
# parse file
File.readlines(path).select { |line|
# match on result rows
line =~ /^\+F:/
}.each do |line|
# split to results
vals = line.strip.split(':')
# build algorithm name
algo = vals[2].gsub(/\s+/, '-')
# walk block sizes
SIZES.each_with_index do |size, i|
4.times.map { |j|
{
algo: ((j & 1) != 0) ? 'all' : algo,
arch: ((j & 2) != 0) ? 'all' : arch,
}
}.each do |agg|
agg_arch, agg_algo = agg[:arch], agg[:algo]
val = vals[i + 3].to_f
max = r[agg_arch][agg_algo][:max]
r[agg_arch][agg_algo][:max] = val if val > max
r[agg_arch][agg_algo][:rows] << (if agg_algo == 'all'
# build row for all-*.csv
[row['name'], algo, size, val]
else
# row for algo-specific CSV
[row['name'], size, val]
end)
end
end
end
end
r
end
end
end
#
# Parse OpenSSL version data into a map of host to version.
#
class VersionParser < Runnable
def run
@model.config['hosts'].reduce({}) do |r, row|
r[row['name']] = File.read('%s/hosts/%s/version.txt' % [
out_dir,
row['name'],
]).strip.split(/\s+/)[1]
r
end
end
end
end
#
# Parse lscpu data and return a map of host to cpu info.
#
class CPUInfoParser < Runnable
def run
@model.config['hosts'].reduce({}) do |r, row|
r[row['name']] = File.readlines('%s/hosts/%s/lscpu.txt' % [
out_dir,
row['name'],
]).reduce({}) do |hr, line|
row = line.strip.split(/:\s+/)
hr[make_key(row[0])] = row[1]
hr
end.tap do |h|
h.update({
mhz: (h['cpu-max-mhz'] || h['cpu-mhz']).to_f.round,
aes: h['flags'] =~ /aes/ ? 'Yes' : 'No',
})
end
r
end
end
private
#
# Normalize an lscpu key.
#
def make_key(s)
s.downcase
.gsub(/\(s\)/, 's')
.gsub(/[^a-z0-9-]+/, '-')
.gsub(/--/, '-')
end
end
#
# Parse speed data and build an architecture to SVGs map.
#
class SVGDataParser < Runnable
#
# Build an architecture to SVG list to generate from the
# previously-loaded speed data.
#
def run
svgs = Hash.new { |h, k| h[k] = [] }
# generate svgs
@model.speeds.keys.each do |arch|
# omit algo=all svgs because they are too large
@model.speeds[arch].keys.select { |algo|
algo != 'all'
}.each do |algo|
# get rows
rows = @model.speeds[arch][algo][:rows]
# get maximum value for plot
max = get_max_value(arch, algo)
# build svg data
svg = make_svg(arch, algo, max, rows)
# add to svg lut
svgs[arch] << svg
end
end
# return svg data lut
svgs
end
private
#
# Build data for SVG. This data is serialized as JSON and passed
# to `plot.py` to generate an SVG.
#
def make_svg(arch, algo, max, rows)
{
# save arch and algo
arch: arch,
algo: algo,
# build output path
path: '%s/svgs/%s-%s.svg' % [out_dir, arch, algo],
# build title
title: TEMPLATES[:svg_title].run({
arch: ARCHS[arch.intern][:name],
algo: algo,
}),
# output image size (in inches)
size: [
6.4 * 2,
4.8 * 2,
],
# output image DPI
dpi: 100,
# font sizes (in points)
fontsize: {
yticks: 10,
title: 14,
},
# calculate xlimit (round up to nearest 50)
xlimit: (max / (1048576 * 50.0)).ceil * 50,
# x-axis label
xlabel: 'Speed (MB/s)',
# rows
rows: rows.map { |row|
[
'%s (%d bytes)' % [row[0], row[1].to_i],
(row[2].to_f / 1048576).round(2),
]
},
}
end
#
# get maximum value depending for chart
#
def get_max_value(arch, algo)
is_aes = is_aes?(algo)
@model.speeds['all'].keys.select { |k|
is_aes == is_aes?(k)
}.map { |k|
@model.speeds[arch][k][:max]
}.reduce(0) { |rm, v|
v > rm ? v : rm
}
end
#
# Is the given algorithm AES?
#
def is_aes?(algo)
@is_aes_cache ||= {}
@is_aes_cache[algo] ||= !!(algo =~ /^aes/)
end
end
end
#
# Fetch any data (if needed) and parse it.
#
class Model
attr_reader :config
attr_reader :log
attr_reader :speeds
attr_reader :versions
attr_reader :cpus
attr_reader :svgs
#
# Create model instance based on given config.
#
def initialize(config, log)
# cache config and log
@config, @log = config, log
# fetch data (if needed)
DataFetcher.run(self)
# load parsed data
@speeds = Parsers::OpenSSL::SpeedParser.run(self)
@versions = Parsers::OpenSSL::VersionParser.run(self)
@cpus = Parsers::CPUInfoParser.run(self)
# render svg data (references data loaded above)
@svgs = Parsers::SVGDataParser.run(self)
end
#
# Get output directory.
#
def out_dir
@config['out_dir']
end
end
#
# View namespace.
#
module Views
#
# Speed data views namespace.
#
module Speed
#
# Save speed data as CSVs.
#
class CSVView < Runnable
#
# Save speed data as CSVs.
#
def run
@model.speeds.each do |arch, algos|
algos.each do |algo, data|
path = '%s/csvs/%s-%s.csv' % [out_dir, arch, algo]
cols_key = (algo == 'all') ? :all : :algo
cols = COLS[cols_key].map { |col| col[:id] }
Util.save_csv(path, cols, data[:rows])
end
end
end
end
#
# Save speed data as SVGs.
#
class SVGView < Runnable
include BG
#
# Create an SVGView instance.
#
def initialize(model)
super(model)
@log = @model.log
end
#
# Save speed data as SVGs.
#
def run
pids = []
# generate svgs
@model.svgs.each do |arch, svgs|
svgs.each do |svg|
# save in background and add pid list of pids
pids << save_svg(svg)
end
end
# wait for background tasks to complete
join(pids)
end
private
#
# Render SVG in background and return SVG path, title, and PID.
#
def save_svg(svg)
# invoke plot in background, return pid
bg('/dev/null', [
# absolute path to python
'/usr/bin/python3',
# build path to plot.py
'%s/plot.py' % [__dir__],
# build chart json data
JSON.unparse(svg),
])
end
#
# Join set of PIDs together.
#
def join(pids = [])
@log.debug('join') { JSON.unparse({ pids: pids }) }
# wait for all tasks to complete and check for errors
errors = pids.reduce([]) do |r, pid|
::Process.wait(pid)
$?.success? ? r : (r << pid)
end
# check for errors
if errors.size > 0
# build error message
err = 'failed PIDs: %s' % [JSON.unparse(errors)]
# log and raise error
@log.fatal('join') { err }
raise err
end
end
end
end
#
# Namespace for hosts views.
#
module Hosts
#
# Abstract parent class for hosts views.
#
class HostsView < Runnable
protected
#
# Get an array of hosts and merge the `lscpu` and OpenSSL version
# information for each host.
#
def hosts
@model.config['hosts'].map { |row|
row.merge(@model.cpus[row['name']]).merge({
openssl: @model.versions[row['name']],
})
}
end
end
#
# Generate csvs/hosts.csv.
#
class CSVView < HostsView
#
# Generate csvs/hosts.csv.
#
def run
Util.save_csv(
'%s/csvs/hosts.csv' % [out_dir],
COLS[:hosts].map { |col| col[:name] },
hosts.map { |row|
COLS[:hosts].map { |col|
row[col[:id]] || row[col[:id].intern]
}
}
)
end
end
#
# Generate HTML for hosts section.
#
class SectionView < HostsView
#
# Generate HTML for hosts section.
#
def run
TEMPLATES[:all].run({
cols: COLS[:hosts].map { |col|
TEMPLATES[:col].run(col)
}.join,
rows: hosts.map { |row|
TEMPLATES[:row].run({
row: COLS[:hosts].map { |col|
TEMPLATES[:cell].run({
tip: col[:tip] || '',
text: row[col[:id]] || row[col[:id].intern]
})
}.join
})
}.join,
})
end
end
end
#
# Namespace for index.html views.
#
module Index
#
# Generate HTML fragment for given list of SVGs.
#
class SVGListView < Runnable
#
# Generate HTML fragment for given list of SVGs.
#
def run(svgs)
svgs.sort { |a, b|
a[:path] <=> b[:path]
}.map { |row|
TEMPLATES[:svg].run({
path: 'svgs/%s' % [File.basename(row[:path])],
name: row[:title],
})
}.join
end
end
#
# Generate and write out/index.html.
#
class HTMLView < Runnable
# ordered list of sections symbols
SECTIONS = %i{all arm x86}
#
# Create a new instance.
#
def initialize(model)
super(model)
# create/cache svg list view
view = SVGListView.new(@model)
# render svg lists as html
@html = @model.svgs.reduce({
# render hosts section
hosts: Hosts::SectionView.run(@model),
}) do |r, pair|
r[pair[0].intern] = view.run(pair[1])
r
end
end
#
# Generate and write out/index.html.
#
def run
File.write('%s/index.html' % [out_dir], TEMPLATES[:index].run({
title: 'OpenSSL Speed Test Results',
hosts: @html[:hosts],
# intro links
links: LINKS.map { |row|
TEMPLATES[:link].run(row)
}.join,
# sections
sections: SECTIONS.map { |arch|
TEMPLATES[:section].run({
svgs: @html[arch],
}.merge(ARCHS[arch]))
}.join,
}))
end
end
end
#
# Render everything.
#
class FullView < Runnable
#
# Render everything.
#
def run
# generate speed CSVs and SVGs
Speed::CSVView.run(@model)
Speed::SVGView.run(@model)
# generate csvs/hosts.csv
Hosts::CSVView.run(@model)
# save index.html
Index::HTMLView.run(@model)
end
end
end
#
# Allow command-line invocation.
#
def self.run(app, args)
# add global size filter
Luigi::FILTERS[:size] = proc { |v| v.size }
# check command-line arguments, get config path
unless config_path = args.shift
raise "Usage: #{app} config.yaml"
end
# load config
config = Util.load_config(config_path)
# create logger from config
log = ::Logger.new(
(config['log_path'] || STDERR),
level: (config['log_level'] || 'info').intern
)
# create model
model = Model.new(config, log)
# render everything
Views::FullView.run(model)
end
end
# allow cli invocation
PiBench.run($0, ARGV) if __FILE__ == $0
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