From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: KVM PMU virtualization
Date: Fri, 26 Feb 2010 15:50:43 +0100
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Cc: Ingo Molnar <mingo@elte.hu>,
	Jes Sorensen <Jes.Sorensen@redhat.com>,
	Joerg Roedel <joro@8bytes.org>,
	KVM General <kvm@vger.kernel.org>,
	Zachary Amsden <zamsden@redhat.com>,
	Gleb Natapov <gleb@redhat.com>, ming.m.lin@intel.com,
	"Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Arjan van de Ven <arjan@infradead.org>,
	Fr??d??ric Weisbecker <fweisbec@gmail.com>,
	Arnaldo Carvalho de Melo <acme@redhat.com>
To: Avi Kivity <avi@redhat.com>
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On Fri, 2010-02-26 at 15:30 +0200, Avi Kivity wrote:
> 
> Scheduling at event granularity would be a good thing.  However we need 
> to be able to handle the guest using the full pmu. 

Does the full PMU include things like LBR, PEBS and uncore? in that
case, there is no way you're going to get that properly and securely
virtualized by using raw access.