From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric B Munson <emunson@mgebm.net>
Subject: Re: [PATCH v5 7/9] KVM-GST: KVM Steal time accounting
Date: Tue, 5 Jul 2011 15:37:04 -0400
Message-ID: <20110705193704.GG3436@mgebm.net>
References: <1309793548-16714-1-git-send-email-glommer@redhat.com>
 <1309793548-16714-8-git-send-email-glommer@redhat.com>
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Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Rik van Riel <riel@redhat.com>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Avi Kivity <avi@redhat.com>,
	Anthony Liguori <aliguori@us.ibm.com>
To: Glauber Costa <glommer@redhat.com>
Return-path: <linux-kernel-owner@vger.kernel.org>
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On Mon, 04 Jul 2011, Glauber Costa wrote:

> This patch accounts steal time time in account_process_tick.
> If one or more tick is considered stolen in the current
> accounting cycle, user/system accounting is skipped. Idle is fine,
> since the hypervisor does not report steal time if the guest
> is halted.
>=20
> Accounting steal time from the core scheduler give us the
> advantage of direct acess to the runqueue data. In a later
> opportunity, it can be used to tweak cpu power and make
> the scheduler aware of the time it lost.
>=20
> Signed-off-by: Glauber Costa <glommer@redhat.com>
> CC: Rik van Riel <riel@redhat.com>
> CC: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
> CC: Peter Zijlstra <peterz@infradead.org>
> CC: Avi Kivity <avi@redhat.com>
> CC: Anthony Liguori <aliguori@us.ibm.com>
> CC: Eric B Munson <emunson@mgebm.net>

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

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