[Xen-devel] Scheduler questions

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Subject:	[Xen-devel] Scheduler questions
From:	"Guy Zana" <guy@xxxxxxxxxxxx>
Date:	Mon, 31 Dec 2007 05:45:55 -0500
Cc:	Alex Novik <alex@xxxxxxxxxxxx>
Delivery-date:	Mon, 31 Dec 2007 02:47:39 -0800
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Thread-topic:	Scheduler questions

Hi all,

1. vcpu_kick - Is it immediately perform a context switch or just push the vcpu that was specified to be the next in line? is there an overhead time? how much time pass between executing vcpu_kick until the vcpu is actually running?

2. If I want the scheduler to be a bit more interactive, can I decrease the default msecs per slice (CSCHED_MSECS_PER_TSLICE)? What will be the side effects of that?

Thanks in advance,

Guy.

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[Xen-devel] Scheduler questions