linux-kernel - Re: [PATCH v3 7/9] KVM-GST: KVM Steal time accounting

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Message-ID: <20110629215701.GF3557@mgebm.net>
Date:	Wed, 29 Jun 2011 17:57:01 -0400
From:	Eric B Munson <emunson@...bm.net>
To:	Glauber Costa <glommer@...hat.com>
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Rik van Riel <riel@...hat.com>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Avi Kivity <avi@...hat.com>,
	Anthony Liguori <aliguori@...ibm.com>
Subject: Re: [PATCH v3 7/9] KVM-GST: KVM Steal time accounting

On Wed, 29 Jun 2011, 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>
> CC: Anthony Liguori <aliguori@...ibm.com>
> CC: Eric B Munson <emunson@...bm.net>

Tested-by: Eric B Munson <emunson@...bm.net>


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