lkml.org 
[lkml]   [2008]   [Oct]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRE: [linux-pm] [RFC PATCH 0/4] timers: Timer migration
>From: Arjan van de Ven
>Sent: Thursday, October 16, 2008 10:38 PM
>On Thu, 16 Oct 2008 17:12:39 +0530
>>
>>
>> Here's a brief introduction as to why we need timer migration.
>>
>
>as I've said before, for reducing power consumption I don't buy into
>needing this concept....
>
>If you have high frequency timers, you've lost no matter what (and we
>fixed almost all of them in the ecosystem); if you don't have those
>then this patch doesn't really add anything.
>(and the range-hrtimers fixes the intermediate state)
>

Does range-hrtimers work in per-cpu style or globally? If the former
I guess this timer migration may help range-hrtimers feature to
further align rest timers. If globally, then small room remains.

Arun, did you have any actual power improvement data with it?

Thanks,
Kevin


\
 
 \ /
  Last update: 2008-10-17 04:45    [W:0.032 / U:0.632 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site