supervisord_forks.rb

#!/usr/bin/env ruby

def children(ps, pid)
  ps.select do |p|
    p.split[2] == pid
  end
end

def pid_from_line(line)
  line.split[1]
end

def display_proc(line)
  line.split[7..-1].join " "
end

ps = %x(ps -edf).lines.map(&:strip)

ps.grep(/pytho[n].*supervisord -c/).each do |main_proc|
  puts display_proc(main_proc)
  children(ps, pid_from_line(main_proc)).each do |child|
    puts "  \\_ [#{children(ps, pid_from_line(child)).count.to_s.rjust(2)}] #{display_proc(child)}"
  end
end