From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Host latency peaks due to kvm-intel Date: Sat, 25 Jul 2009 11:15:36 +0300 Message-ID: <4A6ABF28.1010602@redhat.com> References: <4A68A6E5.6010808@siemens.com> <4A68BD5D.1070302@gmail.com> <4A6981B0.3000008@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Gregory Haskins , kvm-devel , RT , "Yang, Sheng" To: Jan Kiszka Return-path: In-Reply-To: <4A6981B0.3000008@siemens.com> Sender: linux-rt-users-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 07/24/2009 12:41 PM, Jan Kiszka wrote: > I vaguely recall that someone promised to add a feature reporting > facility for all those nice things, modern VM-extensions may or may not > support (something like or even an extension of /proc/cpuinfo). What is > the state of this plan? Would be specifically interesting for Intel CPUs > as there seem to be many of them out there with restrictions for special > use cases - like real-time. > Newer kernels do report some vmx features (like flexpriority) in /proc/cpuinfo but not all. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.