From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Cure <kvm@cure.nom.fr>
Subject: Re: performance trouble
Date: Thu, 22 Mar 2012 09:35:15 +0100
Message-ID: <20120322083515.GY12293@nfs-rbx.ovh.net>
References: <20120316101331.GM12293@nfs-rbx.ovh.net> <20120319105134.GA27928@redhat.com> <20120320093220.GS12293@nfs-rbx.ovh.net> <20120320094541.GH22368@redhat.com> <20120320111839.GT12293@nfs-rbx.ovh.net> <20120320123821.GL22368@redhat.com> <20120321111001.GV12293@nfs-rbx.ovh.net> <4F6A1056.1020904@dlh.net> <20120322075345.GA22368@redhat.com> <4F6ADB54.9050207@dlh.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Cc: Gleb Natapov <gleb@redhat.com>, Avi Kivity <avi@redhat.com>,
	kvm@vger.kernel.org, Vadim Rozenfeld <vrozenfe@redhat.com>
To: Peter Lieven <pl@dlh.net>
Return-path: <kvm-owner@vger.kernel.org>
Received: from gandalf.cure.nom.fr ([91.121.137.146]:52839 "EHLO
	gandalf.cure.nom.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1756502Ab2CVIfT (ORCPT <rfc822;kvm@vger.kernel.org>);
	Thu, 22 Mar 2012 04:35:19 -0400
Content-Disposition: inline
In-Reply-To: <4F6ADB54.9050207@dlh.net>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

		hello,

Le Thu, Mar 22, 2012 at 08:57:08AM +0100, Peter Lieven ecrivait :
>
> @avi, gleb: another option would be to revisit the old in-kernel  
> pm-timer implementation
> and check if its feasible to use this as an alternative. it would also  
> help non hyper-v aware
> systems (i think bsd and old windows like xp). i rebased this old  
> implementation and can
> confirm that it does also solve the performance slow down.

	Are some patches available for testing ?

	David.