#NEWLINE# @ contract #NEWLINE# def get_host_cpu_mhz( cpu_mhz , previous_cpu_time_total , previous_cpu_time_busy ) : #NEWLINE# #INDENT# ' Get the average CPU utilization in MHz for a set of VMs.\n\n    :param cpu_mhz: The total frequency of the physical CPU in MHz.\n     :type cpu_mhz: int\n\n    :param previous_cpu_time_total: The previous total CPU time.\n     :type previous_cpu_time_total: float\n\n    :param previous_cpu_time_busy: The previous busy CPU time.\n     :type previous_cpu_time_busy: float\n\n    :return: The current total and busy CPU time, and CPU utilization in MHz.\n     :rtype: tuple(float, float, int)\n    ' #NEWLINE# ( cpu_time_total , cpu_time_busy ) = get_host_cpu_time ( ) #NEWLINE# cpu_usage = int ( ( ( cpu_mhz * ( cpu_time_busy - previous_cpu_time_busy ) ) / ( cpu_time_total - previous_cpu_time_total ) ) ) #NEWLINE# if ( cpu_usage < 0 ) : #NEWLINE# #INDENT# raise ValueError ( ( ( ( ( ( ( ( ( ( ( ( 'The host CPU usage in MHz must be >=0, but it is: ' + str ( cpu_usage ) ) + '; cpu_mhz=' ) + str ( cpu_mhz ) ) + '; previous_cpu_time_total=' ) + str ( previous_cpu_time_total ) ) + '; cpu_time_total=' ) + str ( cpu_time_total ) ) + '; previous_cpu_time_busy=' ) + str ( previous_cpu_time_busy ) ) + '; cpu_time_busy=' ) + str ( cpu_time_busy ) ) ) #NEWLINE# #UNINDENT# return ( cpu_time_total , cpu_time_busy , cpu_usage )