[PATCH v3 1/4] PM / EM: Add a flag indicating units of power values in Energy Model

Lukasz Luba lukasz.luba at arm.com
Tue Nov 3 03:26:54 EST 2020



On 11/2/20 1:43 PM, Quentin Perret wrote:
> On Monday 19 Oct 2020 at 15:05:58 (+0100), Lukasz Luba wrote:
>> diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h
>> index b67a51c574b9..2c31d79bb922 100644
>> --- a/include/linux/energy_model.h
>> +++ b/include/linux/energy_model.h
>> @@ -29,6 +29,8 @@ struct em_perf_state {
>>    * em_perf_domain - Performance domain
>>    * @table:		List of performance states, in ascending order
>>    * @nr_perf_states:	Number of performance states
>> + * @milliwatts:		Flag indicating the power values are in milli-Watts
>> + *			or some other scale.
>>    * @cpus:		Cpumask covering the CPUs of the domain. It's here
>>    *			for performance reasons to avoid potential cache
>>    *			misses during energy calculations in the scheduler
>> @@ -43,6 +45,7 @@ struct em_perf_state {
>>   struct em_perf_domain {
>>   	struct em_perf_state *table;
>>   	int nr_perf_states;
>> +	bool milliwatts;
>>   	unsigned long cpus[];
>>   };
> 
> Make that an int please, sizeof(bool) is impdef.

OK, I will change it.

> 
> With that:
> 
> Reviewed-by: Quentin Perret <qperret at google.com>
> 

Thank you for the review.



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