From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Kinzler Subject: Re: Poor performance with Linux 3.x as dom0 Date: Thu, 03 May 2012 12:43:40 +0200 Message-ID: <4FA2615C.1000301@hfp.de> References: <4FA1328B.6070602@hfp.de> <1335965470.26758.58.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1335965470.26758.58.camel@zakaz.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: Jeremy Fitzhardinge , "xen-devel@lists.xensource.com" , Konrad Rzeszutek Wilk List-Id: xen-devel@lists.xenproject.org On 02.05.2012 15:31, Ian Campbell wrote: > Did you happen to also compare 3.2.12 and 2.6.34.10 running these > workloads natively? Yes, I tested against 2.6.32.x. Differences exist, but are minor. time emerge apache: 2.6.32.36 3.2.12 3.3.4 real 0m31.419s 0m34.770s 0m35.210s user 0m45.479s 0m38.994s 0m39.750s sys 0m6.488s 0m4.584s 0m4.928s make -j4: 2.6.32.36 3.2.12 3.3.4 real 2m3.531s 2m4.423s 2m2.348s user 7m45.817s 7m21.456s 7m18.291s sys 0m35.194s 0m28.758s 0m28.974s Regards Andreas