| To: | "Stephan Diestelhorst" <sd386@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] another scheduler problem, on x86_64 only? |
| From: | "Nakajima, Jun" <jun.nakajima@xxxxxxxxx> |
| Date: | 2005年7月13日 10:13:20 -0700 |
| Cc: | Andrew Theurer <habanero@xxxxxxxxxx> |
| Delivery-date: | 2005年7月13日 17:12:09 +0000 |
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| Thread-index: | AcWHzHZJinVGTAqtSpCI53c4JR8+6AAABmmQ |
| Thread-topic: | [Xen-devel] another scheduler problem, on x86_64 only? |
Stephan Diestelhorst wrote: > Just for clarification: > Andrew: Which scheduler did you use? sedf? or bvt? > Jun: did you try the bvt scheduler too? > Yes, I tried to both (either by rebuilding xen or sched=<> boot parameter), confirming like: (XEN) Using scheduler: Borrowed Virtual Time (bvt) I see the problem no matter which scheduler I choose. I think it should be a schduling issue on x86_64 xenlinux because the cutoff over CPU utilization is very obvious; 50% max in the top command, and top is not confused because benchmarks run slower. Jun --- Intel Open Source Technology Center _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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