linux-kernel - Re: [RFC] Unify KVM kernel-space and user-space code into a single project

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Message-ID: <87hbo6fgpy.fsf@basil.nowhere.org>
Date:	Wed, 24 Mar 2010 06:09:45 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Joerg Roedel <joro@...tes.org>
Cc:	Avi Kivity <avi@...hat.com>,
	Anthony Liguori <anthony@...emonkey.ws>,
	Ingo Molnar <mingo@...e.hu>,
	Pekka Enberg <penberg@...helsinki.fi>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Sheng Yang <sheng@...ux.intel.com>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Marcelo Tosatti <mtosatti@...hat.com>,
	Jes Sorensen <Jes.Sorensen@...hat.com>,
	Gleb Natapov <gleb@...hat.com>,
	Zachary Amsden <zamsden@...hat.com>, ziteng.huang@...el.com,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Fr?d?ric Weisbecker <fweisbec@...il.com>,
	Gregory Haskins <ghaskins@...ell.com>
Subject: Re: [RFC] Unify KVM kernel-space and user-space code into a single project

Joerg Roedel <joro@...tes.org> writes:
>
> Sidenote: I really think we should come to a conclusion about the
>           concept. KVM integration into perf is very useful feature to
> 	  analyze virtualization workloads.

Agreed. I especially would like to see instruction/branch tracing
working this way.  This would a lot of the benefits of a simulator on
a real CPU.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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