From mboxrd@z Thu Jan 1 00:00:00 1970 From: " =?UTF-8?Q?B=C5=99e=C5=A5a?= =?UTF-8?Q?=20Vomo=C4=8Dil?=" Subject: Re: dividing host CPU performance Date: Fri, 05 Dec 2008 11:11:40 +0100 Message-ID: <200812051111.4273@centrum.cz> References: <200812050917.10259@centrum.cz> <200812050931.28873@centrum.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Cc: To: Return-path: Received: from mail1010.centrum.cz ([90.183.38.140]:41364 "EHLO mail1010.centrum.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751428AbYLEKLv (ORCPT ); Fri, 5 Dec 2008 05:11:51 -0500 Received: by mail1010.centrum.cz id S1074380838AbYLEKLk (ORCPT ); Fri, 5 Dec 2008 11:11:40 +0100 In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: >If your hardware supports it you could look into: > >http://www.linuxmanpages.com/man8/numactl.8.php Yes, my HW support it (I have already used it for keeping a VM on specified CPU core), but it doesn't solve the "generic ratio problem". For this case it can be usable - ratio 3:1 on 4-core CPU is simple task with numactl, I agree, but I'm looking for some more generic solution where you can make different ratios, which is not possible to do with numactl (for instance 4:1 on 4 cores).