From owner-freebsd-virtualization@FreeBSD.ORG  Tue Jun 10 16:53:44 2014
Return-Path: <owner-freebsd-virtualization@FreeBSD.ORG>
Delivered-To: freebsd-virtualization@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id 66A22EA9;
 Tue, 10 Jun 2014 16:53:44 +0000 (UTC)
Received: from smtp.digiware.nl (smtp.digiware.nl [31.223.170.169])
 (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 2124B2AB5;
 Tue, 10 Jun 2014 16:53:43 +0000 (UTC)
Received: from rack1.digiware.nl (unknown [127.0.0.1])
 by smtp.digiware.nl (Postfix) with ESMTP id 312291534C0;
 Tue, 10 Jun 2014 18:53:41 +0200 (CEST)
X-Virus-Scanned: amavisd-new at digiware.nl
Received: from smtp.digiware.nl ([127.0.0.1])
 by rack1.digiware.nl (rack1.digiware.nl [127.0.0.1]) (amavisd-new, port 10024)
 with ESMTP id ZPyBiIfoLVxK; Tue, 10 Jun 2014 18:53:39 +0200 (CEST)
Received: from [IPv6:2001:4cb8:3:1:a15d:b174:138f:d372] (unknown
 [IPv6:2001:4cb8:3:1:a15d:b174:138f:d372])
 by smtp.digiware.nl (Postfix) with ESMTP id A68CA153448;
 Tue, 10 Jun 2014 18:53:39 +0200 (CEST)
Message-ID: <53973810.6060503@digiware.nl>
Date: Tue, 10 Jun 2014 18:53:36 +0200
From: Willem Jan Withagen <wjw@digiware.nl>
Organization: Digiware Management b.v.
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64;
 rv:24.0) Gecko/20100101 Thunderbird/24.5.0
MIME-Version: 1.0
To: Peter Grehan <grehan@freebsd.org>, Nils Beyer <nbe@renzel.net>
Subject: Re: Bheve: Slow linux syscalls on AMD
References: <5388B56D.1000501@digiware.nl>
 <20140530212900.6B74B6BF@hub.freebsd.org> <53891BC1.9050701@digiware.nl>
 <53891EAA.8040105@freebsd.org> <538927FC.3000903@digiware.nl>
 <53939AE2.80804@freebsd.org> <539434B6.6020804@digiware.nl>
 <CALnRwMQFmQRxg0jWi5tqXFXARsj-sD5F3wAAXdTvNf7+VPoezw@mail.gmail.com>
 <5394817F.4030203@digiware.nl> <53948DA5.4040000@digiware.nl>
 <53962141.8070702@freebsd.org> <20140610103233.4C31D6C4@hub.freebsd.org>
 <53972572.80902@freebsd.org>
In-Reply-To: <53972572.80902@freebsd.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-virtualization@freebsd.org
X-BeenThere: freebsd-virtualization@freebsd.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: "Discussion of various virtualization techniques FreeBSD supports."
 <freebsd-virtualization.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-virtualization>, 
 <mailto:freebsd-virtualization-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-virtualization/>
List-Post: <mailto:freebsd-virtualization@freebsd.org>
List-Help: <mailto:freebsd-virtualization-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization>, 
 <mailto:freebsd-virtualization-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 10 Jun 2014 16:53:44 -0000

On 2014-06-10 17:34, Peter Grehan wrote:
> Hi Nils,
>
>> Confirmed. Running a bhyved 3-vCPU-"CentOS 6.5", the host CPU load for
>> "vcpu 0"
>> is around 12% now.
>
>   Doh, that's not good - haven't given Centos 6.5 a try; will now to
> investigate this.

All Ubuntus I have installed in VMs give more or less perform the 
same... (13.10, 12.04 LTS)
Although the overhead is just 5% and more evenly distibuted over both vPCUs.

--WjW