Re: [PATCH] thermal: power_allocator: using round the division when re-divvying up power

From: Daniel Lezcano
Date: Tue Mar 16 2021 - 09:16:16 EST


On 15/03/2021 10:51, Lukasz Luba wrote:
>
>
> On 3/15/21 8:25 AM, gao.yunxiao6@xxxxxxxxx wrote:
>> From: "jeson.gao" <jeson.gao@xxxxxxxxxx>
>>
>> The division is used directly in re-divvying up power, the decimal
>> part will
>> be discarded, devices will get less than the extra_actor_power - 1.
>> if using round the division to make the calculation more accurate.
>>
>> For example:
>> actor0 received more than it's max_power, it has the extra_power 759
>> actor1 received less than it's max_power, it require extra_actor_power
>> 395
>> actor2 received less than it's max_power, it require extra_actor_power
>> 365
>> actor1 and actor2 require the total capped_extra_power 760
>>
>> using division in re-divvying up power
>> actor1 would actually get the extra_actor_power 394
>> actor2 would actually get the extra_actor_power 364
>>
>> if using round the division in re-divvying up power
>> actor1 would actually get the extra_actor_power 394
>> actor2 would actually get the extra_actor_power 365
>>
>> Signed-off-by: Jeson Gao <jeson.gao@xxxxxxxxxx>
>> ---

Applied, thanks

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