class StackProf::Report

def print_files(sort_by_total=false, limit=nil, f = STDOUT)
  list = files.map{ |file, vals| [file, vals.values.inject([0,0]){ |sum, n| add_lines(sum, n) }] }
  list = list.sort_by{ |file, samples| -samples[1] }
  list = list.first(limit) if limit
  list.each do |file, vals|
    total_samples, samples = *vals
    f.printf "% 5d  (%5.1f%%) / % 5d  (%5.1f%%)   %s\n", total_samples, (100.0*total_samples/overall_samples), samples, (100.0*samples/overall_samples), file
  end
end