On 03/25/2015 01:50 PM, Meng Xu wrote:
> 2015-03-25 7:58 GMT-04:00 George Dunlap <george.dun...@eu.citrix.com>:
> 
>> On 03/25/2015 01:48 AM, Meng Xu wrote:
>>> ​Exactly! I will do some measurement on the overhead in #2 before I
>> really
>>> try to do it. Since #1 is fairly easy, I will first implement #1 and see
>>> how much gap it remains to achieve the bare-metal performance.
>>
>> Interface-wise: I'm wondering if at the Xen or libxl level we really
>> need to have a whole new set of hypercalls, at least to implement #1.
>> Would it make sense for certain schedulers to automatically switch to
>> "no accounting" mode when the hard_affinity of a vcpu is limited to one
>> vcpu, and no other vcpus are also limited to that one vcpu?
>>
> 
> ​I guess you mean:​
> certain schedulers to automatically switch to
> "no accounting" mode when the hard_affinity of a vcpu is limited to one
> ​"​
> cpu
> ​" (not vcpu)​
> , and
> ​​
> no other vcpus are also limited to that one
> ​"​
> cpu
> ​"​
> ?
> 
> ​Am I correct? :-)​

Ah, yes, thanks. :-)

 -George


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
http://lists.xen.org/xen-devel

Reply via email to