linux-kernel - Re: [PATCH 13/16] KVM-HV: KVM Steal time calculation

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Message-ID: <4D3E094C.2080805@redhat.com>
Date:	Mon, 24 Jan 2011 18:20:44 -0500
From:	Rik van Riel <riel@...hat.com>
To:	Glauber Costa <glommer@...hat.com>
CC:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	aliguori@...ibm.com,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Avi Kivity <avi@...hat.com>
Subject: Re: [PATCH 13/16] KVM-HV: KVM Steal time calculation

On 01/24/2011 01:06 PM, Glauber Costa wrote:
> To implement steal time, we need the hypervisor to pass the guest information
> about how much time was spent running other processes outside the VM.
> We consider time to be potentially stolen everytime we schedule out the vcpu,
> until we schedule it in again. If this is, or if this will not, be accounted
> as steal time for the guest, is a guest's decision.
>
> Signed-off-by: Glauber Costa<glommer@...hat.com>
> CC: Rik van Riel<riel@...hat.com>
> CC: Jeremy Fitzhardinge<jeremy.fitzhardinge@...rix.com>
> CC: Peter Zijlstra<peterz@...radead.org>
> CC: Avi Kivity<avi@...hat.com>

Reviewed-by: Rik van Riel <riel@...hat.com>
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