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Re: [Xen-users] Scheduler Parameters

  • To: "Subhabrata Bhattacharya" <xions.microcosm@xxxxxxxxxxxxxx>
  • From: "Diwaker Gupta" <diwaker.lists@xxxxxxxxx>
  • Date: Tue, 28 Feb 2006 22:51:03 -0800
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 01 Mar 2006 06:51:45 +0000
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On 2/28/06, Subhabrata Bhattacharya <xions.microcosm@xxxxxxxxxxxxxx> wrote:
> Supposing I have only one guest domain runnning on domain 0 and with
> the xm bvt command I have allocated cpu units in the ratio 9:1 to
> domain 0 and domain 1(say) respectively.
> Now I create another guest domain. How much CPU share it (or
> subsequent domains created after it) will get?

By default a new domain gets a weight of 10 in the current BVT
implementation. What this translates to in terms of available CPU can
be easily computed using the standard BVT algorithm (for eg, this new
domain would get roughly 10/(1+9+10) fraction of the CPU).

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