A script to paste into your rails console to evaluate performance of arbitrary command

prof.rb

# frozen_string_literal: true

# find ruby-prof gem on global scope
@ruby_prof_path = `cd .. && gem which ruby-prof`
if path.blank?
  # install ruby-prof if we can't find it
  `cd .. && gem install ruby-prof`
  @ruby_prof_path = `cd .. && gem which ruby-prof`
end
@ruby_prof_path = @ruby_prof_path.sub(/ruby-prof.rb\n/, '')
# pull in ruby-prof
$LOAD_PATH.push(@ruby_prof_path) && require('ruby-prof')

# this is example code to set up my test
preloads = [:reverse_contact_assignments, :phone_numbers, :email_addresses, :answer_sheets, :organizational_permissions, :addresses]
people = V4::Organization.find(1).people.limit(500).preload(preloads); ''
scoper = V4::UserDataScoper.new(V4::Person.find(1)); ''
gen = V4::Person::CsvGenerator.new(people, scoper, organization_id: 1); ''

result = RubyProf.profile do
  # run test inside this block
  gen.generate
end

# print results to file
html_file = File.open('prof.html', 'w')
RubyProf::GraphHtmlPrinter.new(result).print(html_file, min_percent: 0)
html_file.close