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[Xen-ia64-devel] The vcpus can change from one LP to another LP very fre
| To: | "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-ia64-devel] The vcpus can change from one LP to another LP very frequently |
| From: | "Zhang, Jingke" <jingke.zhang@xxxxxxxxx> |
| Date: | Wed, 22 Nov 2006 15:57:39 +0800 |
| Cc: | xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Tue, 21 Nov 2006 23:57:52 -0800 |
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| Thread-index: | AccOC9zV9JJcG3s+Te6ZxFwBa6GBvQ== |
| Thread-topic: | The vcpus can change from one LP to another LP very frequently |
Hi Keir,
With #Cset12018, the vcpus of xen0 and the SMP guest can stay at one
LP for a long time. But from the #Cset 12425 on (maybe an earlier Cset),
the vcpus would jumped from here and there very fast.
This fast changing will cause a lot of performance downgrade in
SMP_VTI.
Thanks,
Zhangjingke
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