new_contents: import sys
  
  def main():
      fp = open(sys.argv[1])
  
      for line in fp:
          line = line.rstrip()
          if line.startswith('\t'):
              rest = line[18:]
              name_addr, _, rest = rest.partition(' ')
              name, _, addr = name_addr.partition('+')
              line = line[:18] + name + ' ' + rest
  
          print(line)
  
      fp.close()
  
  if __name__ == '__main__':
      main()
  
subject: add script that cleanups linux perf traces