From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcelo Tosatti Subject: Re: Date: Wed, 16 Apr 2014 18:17:34 -0300 Message-ID: <20140416211734.GA15155@amt.cnet> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm To: Marcus White Return-path: Received: from mx1.redhat.com ([209.132.183.28]:36029 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756596AbaDPVRt (ORCPT ); Wed, 16 Apr 2014 17:17:49 -0400 Content-Disposition: inline In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On Mon, Apr 14, 2014 at 05:59:05PM -0700, Marcus White wrote: > Hello, > A friendly bump to see if anyone has any ideas:-) > > Cheers! > > On Sun, Apr 13, 2014 at 2:01 PM, Marcus White > wrote: > > Hello, > > I had some basic questions regarding KVM, and would appreciate any help:) > > > > I have been reading about the KVM architecture, and as I understand > > it, the guest shows up as a regular process in the host itself.. > > > > I had some questions around that.. > > > > 1. Are the guest processes implemented as a control group within the > > overall VM process itself? Is the VM a kernel process or a user > > process? User process. > > 2. Is there a way for me to force some specific CPU/s to a guest, and > > those CPUs to be not used for any work on the host itself? Pinning is > > just making sure the vCPU runs on the same physical CPU always, I am > > looking for something more than that.. Control groups. > > 3. If the host is compiled as a non pre-emptible kernel, kernel > > process run to completion until they give up the CPU themselves. In > > the context of a guest, I am trying to understand what that would mean > > in the context of KVM and guest VMs. If the VM is a user process, it > > means nothing, I wasnt sure as per (1). What problem are you trying to solve?