linux-kernel - Re: Stolen and degraded time and schedulers

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Message-ID: <45F9A2F5.50206@redhat.com>
Date:	Thu, 15 Mar 2007 15:48:05 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Dan Hecht <dhecht@...are.com>
CC:	Jeremy Fitzhardinge <jeremy@...p.org>, dwalker@...sta.com,
	cpufreq@...ts.linux.org.uk,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Con Kolivas <kernel@...ivas.org>,
	Chris Wright <chrisw@...s-sol.org>,
	Virtualization Mailing List <virtualization@...ts.osdl.org>,
	john stultz <johnstul@...ibm.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>, paulus@...ibm.com,
	schwidefsky@...ibm.com, Zachary Amsden <zach@...are.com>
Subject: Re: Stolen and degraded time and schedulers

Dan Hecht wrote:

> Available time is defined to be (real_time - stolen_time).  i.e. time in 
> which the vcpu is either running or not ready to run [because it is 
> halted, and nothing is pending]).

 From the guest perspective, steal time is:

"Time I would have liked to run"

-- 
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the best in the world, and those who believe it already is.  Each group
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