Re: [Xen-ia64-devel] credit sched on ia64

[Atsushi SAKAI <sakaia@xxxxxxxxxxxxxx>]

Hi, Tristan,

We(Tazaki and Sakai) are doing vcpu migration test.
Luckily, it works fine Xen/Linux on nonVTI and VTI machine.

Our testing is doing as follows.
1) add TRACE on (insert the TRACE_4D on cshed_runq_steal to check the vcpu 
migration)
2) Create 2 domains(U or VTI). We call domain as Gypsy and Blocking.
3) Start unixbench on both domain (It is for )
3) Set Affinity on Blocking 0 or 1.(switch the affinity Physical CPU)
4) vcpu on Gypsy Domain moves. 
5) Check the trace buffer.
 
Parameter on Testing

Common 
・Xen (Change Set 10443)
・unixbench 4.1

 
nonVTI
・2CPU machine
・Xen 2CPU(Physical)
・Gypsy　Domain　1vcpu
・Blocking Domain 1 vcpu

VTI
・6CPU machine
・Xen 2CPU(Physical)
・Gypsy　Domain　1vcpu
・Blocking Domain 1 vcpu

Thanks.

Reiji TAZAKI 
Atsushi SAKAI


>Hi
>
>I am maybe late on this issue but has anyone tried credit scheduler on 
>xen/ia64 ?
>I suppose it doesn't work well because we don't support vcpu migration yet.
>
>Tristan.
>
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