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

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Date:	Wed, 14 Mar 2007 16:02:04 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
CC:	Dan Hecht <dhecht@...are.com>, 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
Subject: Re: Stolen and degraded time and schedulers

Jeremy Fitzhardinge wrote:
> Rik van Riel wrote:

>> Steal time allows you to see the difference between a busy
>> system and an overloaded system.
> 
> Sure, the various accounting tools can go into as much detail as you
> want.  I just added stolen time accounting to the xen-pv_ops patchset
> which is equivalent to the xen-unstable stolen time accounting.  Is that
> sufficient for these purposes?

Yes, that works.

-- 
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