Re: [Xen-devel] RTDS with extra time issue

[Meng Xu <xumengpanda@xxxxxxxxx>]

On Fri, Feb 9, 2018 at 10:56 AM, Andrii Anisov <andrii_anisov@xxxxxxxx> wrote:
> Hello Meng Xu,
>
>
> On 09.02.18 17:36, Meng Xu wrote:
>>
>> Another way to check if there is interference from services in domR is
>> to set period = budget for the domR's VCPUs.
>
> Could you please explain how setting budget equal to period would help
> discover any interferences from services in the domain?
>
> --

Basically, setting period = budget is similar to what Dario suggests.
The only difference is that it can avoid some tiny scheduler overhead
in replenishing the VCPU's budget with the unused CPU time.

Best,

Meng


Best Regards,

Meng

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

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