Re: [Xen-devel] xenpm and scheduler

[tutu sky <ooohooo_u@xxxxxxxxxxx>]

Thanks Xu. I will do as desired about cross messaging.

i need it because i exactly want to know that which part of the scheduler's 
corde (credit), takes effect from this feature. because it is important to me 
knowing that where would be trade off between idle state and doing load 
balancing, while cpuidle feature is activated. in other side it's important 
again for me that what will happen for 'cap; and 'weight' decreasing in a case 
that one core's frequency is lower than another one in the same socket 
(actually when cpufreq feature is enable).

Am i clear enough? can you give me an answer or maybe some lines of schedule.c 
or sched_credit.c's code which i can track them to notice the effect of xenpm 
on scheduler part of the view?

Thanks a lot.  
Regards.




From: Meng Xu <xumengpanda@xxxxxxxxx>
Sent: Monday, April 11, 2016 12:11 PM
To: tutu sky
Cc: Xen-devel@xxxxxxxxxxxxx
Subject: Re: [Xen-devel] xenpm and scheduler
  






On Mon, Apr 11, 2016 at 10:16 AM, tutu sky  <ooohooo_u@xxxxxxxxxxx> wrote:

hi,
Does xenpm 'cpufreq' or 'cpuidle' feature, has any effect on scheduling 
decisions?




​Please do not cross post. 


 

No effect on RTDS scheduler. 


 

May I ask a question: why do you need to consider this? 


 

Thanks, 


 

Meng   -- 

-----------
Meng Xu
PhD Student in Computer and Information Science
University of Pennsylvania
http://www.cis.upenn.edu/~mengxu/      
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