From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: Re: KVM: x86: add module parameter to disable periodic kvmclock sync Date: Thu, 13 Nov 2014 17:14:58 +0300 Message-ID: <5464BCE2.9030505@msgid.tls.msk.ru> References: <20141113024439.GA7402@amt.cnet> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: Andrew Jones To: Marcelo Tosatti , Paolo Bonzini , kvm-devel Return-path: Received: from isrv.corpit.ru ([86.62.121.231]:38963 "EHLO isrv.corpit.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933055AbaKMOPA (ORCPT ); Thu, 13 Nov 2014 09:15:00 -0500 In-Reply-To: <20141113024439.GA7402@amt.cnet> Sender: kvm-owner@vger.kernel.org List-ID: 13.11.2014 05:44, Marcelo Tosatti wrote: > The periodic kvmclock sync can be an undesired source of latencies. Shouldn't this be a per-vm property, not global host property? Maybe it's better to control frequency of syncs (with 0=disabled)? Thanks, /mjt