def iostat():
 io_stat = ['IO status:']
 io_stat += utils.system_output('iostat', verbose=False).splitlines()
 io_stat += ['\n']
 return io_stat

def iostat ( ) : io_stat = [ 'IO status:' ] io_stat += utils . system_output ( 'iostat' , verbose = False ) . splitlines ( ) io_stat += [ '\n' ] return io_stat
gather and return io stats .