gistfile1.rb

class Numeric
  def commify
    to_s.reverse.gsub(/(\d\d\d)(?=\d)(?!\d*\.)/,'\1,').reverse
  end
end

require 'rubygems'
require 'yajl'

tests = []

ARGF.each_line do |line|
  tests << Yajl.load(line, :symbolize_keys=>true)
end

tests.sort_by{ |t| -t[:time] }.each do |o|
  puts o[:rails][:controller]
  o[:time] /= 1000.0
  puts "   #{o[:time]} seconds"
  print "     #{o[:tracers][:gc][:calls]} GC calls, #{o[:tracers][:gc][:time]/1000.0}s in GC"
  if o[:tracers][:gc][:stime] > 0
    puts " (#{o[:tracers][:gc][:utime]/1000.0}s user, #{o[:tracers][:gc][:stime]/1000.0}s system)"
  else
    puts
  end
  puts "     #{o[:tracers][:objects][:created].commify} objects created"
  puts "     #{o[:tracers][:mysql][:queries].commify} database queries, #{o[:tracers][:mysql][:time]/1000.0}s in database" if o[:tracers][:mysql][:queries]

  stime = o[:tracers][:resources][:stime]
  utime = o[:tracers][:resources][:utime]
  cpu_time = utime+stime
  puts "     #{cpu_time/1000.0}s on CPU (#{utime/1000.0}s user, #{stime/1000.0}s system)"

  io_time = o[:tracers][:fd].inject(0){ |s, (k,v)| s += v[:time] if v[:time]; s }
  puts "     #{io_time/1000.0}s in IO"
  if io_time > 0
    o[:tracers][:fd].select{ |k,v| v[:time] }.sort_by{ |k,v| -v[:time] }.map do |k,v|
      puts "       #{v[:time]/1000.0}s in #{k}()"
    end
  end
  puts
end