lkml.org 
[lkml]   [2021]   [Jul]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/3] sched/fair: Prepare variables for increased precision of EAS estimated energy
From
Date


On 7/7/21 11:32 AM, Vincent Guittot wrote:
> On Wed, 7 Jul 2021 at 12:29, Lukasz Luba <lukasz.luba@arm.com> wrote:
>>
>>
>>
>> On 7/7/21 11:11 AM, Vincent Guittot wrote:
>>> On Wed, 7 Jul 2021 at 12:06, Lukasz Luba <lukasz.luba@arm.com> wrote:
>>>>
>>
>> [snip]
>>
>>>> No. It's in 0.1uW scale, so 800Watts. Which is 16 CPUs * 64Watts
>>>
>>> Oh! you want 0.1uW precision .... This doesn't seem realistic at all.
>>> I'm not even sure that the power model can even reach an accuracy of
>>> 1mW
>>>
>>
>> True, the EM is registering platform with 1mW precision, but 1uW
>
> Do you mean 1uW or 0.1uW ?

In this patch set I've proposed 0.1uW, but I'm open to drop one
order of magnitude. The 1uW still be good.

\
 
 \ /
  Last update: 2021-07-07 12:42    [W:0.200 / U:0.348 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site