How to acquire the occupancy time of CPUs within a certain duration, i.e. 10ms, 1ms, and etc?

[Mulyadi Santosa]

On Fri, Aug 28, 2020 at 4:14 PM 孙世龙 sunshilong <sunshilong369 at gmail.com>
wrote:

> Hi, list
>
> How to acquire the occupancy time of CPUs within a certain duration,
> i.e. 10ms, 1ms, and etc?
>
> Could somebody please shed some light on this matter?
> I would be grateful to have some help with this question.
>
> Best Regards.
> Sunshilong
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>

Hi

do you mean make a process exclusively run on a cpu core without being
interrupted/preempted for certain time?

if yes, i think schedule a process as real time (sched fifo?), create
timer, sched yield after timer runs out. cmiiw

-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com

<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
Virus-free.
www.avast.com
<https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
<#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20200904/2e779a47/attachment.html>