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[Xen-devel] Re: IDLE domain is scheduled more than dom0
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-devel] Re: IDLE domain is scheduled more than dom0 |
| From: | Dan Magenheimer <dan.magenheimer@xxxxxx> |
| Date: | Fri, 8 Jul 2005 14:53:53 +0000 (UTC) |
| Delivery-date: | Fri, 08 Jul 2005 14:54:32 +0000 |
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> Shouldn't IDLE domain not be scheduled for most time? Because > idle task will call into PAL for power save on XEN/IA64, the performance > is really, really bad to boot Dom0. The net effect is about ten times > slower. After adding "sched=bvt", everything back to normal. If the sedf scheduler is scheduling the idle domain when domain0 is runnable, surely this is affecting performance on x86 also and is a bug that should be fixed? Has anyone done any performance testing (on x86) since sedf was checked in as the default? Dan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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