Subject: Re: [PATCH v3 7/9] KVM-GST: KVM Steal time accounting
From: Peter Zijlstra <peterz@infradead.org>
To: Glauber Costa <glommer@redhat.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
        Rik van Riel <riel@redhat.com>,
        Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
        Avi Kivity <avi@redhat.com>, Anthony Liguori <aliguori@us.ibm.com>,
        Eric B Munson <emunson@mgebm.net>
In-Reply-To: <1309361388-30163-8-git-send-email-glommer@redhat.com>
References: <1309361388-30163-1-git-send-email-glommer@redhat.com>
	 <1309361388-30163-8-git-send-email-glommer@redhat.com>
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Date: Thu, 30 Jun 2011 23:54:31 +0200
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On Wed, 2011-06-29 at 11:29 -0400, 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.
> 

That changelog is so going to frustrate someone trying to re-create your
thinking in a year's time. They really don't care about the last
proposals and the next patch.
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