linux-kernel - Re: [PATCH 15/16] KVM-GST: KVM Steal time accounting

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Message-ID: <4D3E0C65.3010703@redhat.com>
Date:	Mon, 24 Jan 2011 18:33:57 -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 15/16] KVM-GST: KVM Steal time accounting

On 01/24/2011 01:06 PM, Glauber Costa wrote:
> This patch accounts steal time time in kernel/sched.
> I kept it from last proposal, because I still see advantages
> in it: Doing it here will give us easier access from scheduler
> variables such as the cpu rq. The next patch shows an example of
> usage for it.
>
> Since functions like account_idle_time() can be called from
> multiple places, not only account_process_tick(), steal time
> grabbing is repeated in each account function separatedely.
>
> 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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