From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dor Laor <dor@redhat.com>
Subject: Re: How can I tell KVM is actually using AMD-V virtualization extensions?
Date: Thu, 16 Oct 2008 11:51:08 +0200
Message-ID: <48F70E8C.90602@redhat.com>
References: <48F5A4E1.2030807@krediidipank.ee>
Reply-To: dor@redhat.com
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Cc: kvm@vger.kernel.org
To: Veiko Kukk <veiko.kukk@krediidipank.ee>
Return-path: <kvm-owner@vger.kernel.org>
Received: from mx2.redhat.com ([66.187.237.31]:41222 "EHLO mx2.redhat.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1754165AbYJPJvL (ORCPT <rfc822;kvm@vger.kernel.org>);
	Thu, 16 Oct 2008 05:51:11 -0400
In-Reply-To: <48F5A4E1.2030807@krediidipank.ee>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

Veiko Kukk wrote:
> Hi!
>
> My desktop machine is HP dc5750 SFF, CPU is AMD Athlon(tm) 64 X2 Dual 
> Core Processor 4600+, /proc/cpuinfo lists svm flag. I'm using 2.6.27 
> kernel on FC9, qemu-system-x86_64 "info version" 0.9.1.
>
> How can I be absolutely sure, that my kvm virtual machines are using 
> AMD-V?
>
You can /sbin/lsmod | grep kvm_amd and check for ref count > 0.
You can also use dmesg to check kvm messages.

Alternatively, check kvm_stat tool or run
/usr/sbin/lsof -p `pgrep qemu` | grep /dev/kvm

Dor