Re: [Xen-devel] Granularity of Credit and RTDS Scheduler

[wy11 <wy11@xxxxxxxx>]

Thank you very much.I really appreciate your help.

Best Regards,

Wenqiu

Quoting Dario Faggioli <dario.faggioli@xxxxxxxxxx>:

> On Tue, 2017-01-10 at 15:32 -0600, wy11 wrote:
> > If the time granularity of RTDS is nanosecond, then it is no longer
> > a  
> > problem. Can you please help me to know where I can find it in the  
> > source code?
> If that's what you're interested in, time granularity is nanoseconds
> for each and every scheduler.
>
> Look at xen/common/schedule.c, xen/common/sched_credit.c,
> xen/common/sched_credit2.c and xen/common/sched_rt.c, and see how they
> all use the NOW() macro for reading time.
>
> Then go checking how NOW() is defined.
>
> Regards,
> Dario
> --
> <<This happens because I choose it to happen!>> (Raistlin Majere)
> -----------------------------------------------------------------
> Dario Faggioli, Ph.D, http://about.me/dario.faggioli
> Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)



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