From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hansa Subject: Re: KVM slow LAMP guest Date: Thu, 16 Jul 2015 15:54:58 +0200 Message-ID: <55A7B7B2.2090804@logic-q.nl> References: <5582805F.8090703@logic-q.nl> <55A4C2AA.9000307@logic-q.nl> <55A4C454.2070704@intercollect.com> <55A568F1.20504@intercollect.com> <55A57C21.6080502@redhat.com> <55A6BC4E.7060203@intercollect.com> <55A79522.5050805@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit To: Paolo Bonzini , kvm list Return-path: Received: from smtp.logic-q.nl ([213.207.85.242]:51079 "EHLO smtp.logic-q.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752606AbbGPNzQ (ORCPT ); Thu, 16 Jul 2015 09:55:16 -0400 In-Reply-To: <55A79522.5050805@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On 16-7-2015 13:27, Paolo Bonzini wrote: > On 15/07/2015 22:02, "Hansa" wrote: >>> What OS is this? Is it RHEL/CentOS? If so, halt_poll_ns will be in 6.7 >>> which will be out in a few days/weeks. >>> >>> Paolo >> OK. As said CentOS 6.6. >> But where do I put this parameter? > You can add "kvm.halt_poll_ns=500000" to the kernel command line. If > you have the parameter, you have the > /sys/module/kvm/parameters/halt_poll_ns file. Thanks Paolo! I'll await the 6.7 release. Best, Hansa