From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751543Ab1HRSA1 (ORCPT ); Thu, 18 Aug 2011 14:00:27 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:54954 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750750Ab1HRSA0 (ORCPT ); Thu, 18 Aug 2011 14:00:26 -0400 Subject: Re: [PATCH] virtio-blk: Add stats VQ to collect information about devices From: Sasha Levin To: Avi Kivity Cc: linux-kernel@vger.kernel.org, Rusty Russell , "Michael S. Tsirkin" , virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, Pekka Enberg , Ingo Molnar In-Reply-To: <4E4D4DAC.8080304@redhat.com> References: <1313524071-27250-1-git-send-email-levinsasha928@gmail.com> <4E4C481A.5080205@redhat.com> <1313642283.22532.4.camel@lappy> <4E4D2B6D.1040908@redhat.com> <1313684984.30799.20.camel@lappy> <4E4D4DAC.8080304@redhat.com> Content-Type: text/plain; charset="us-ascii" Date: Thu, 18 Aug 2011 20:59:13 +0300 Message-ID: <1313690353.30799.22.camel@lappy> Mime-Version: 1.0 X-Mailer: Evolution 2.32.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2011-08-18 at 10:36 -0700, Avi Kivity wrote: > On 08/18/2011 09:29 AM, Sasha Levin wrote: > > > > > > What can you do with it? > > > > > > > I was actually planning on submitting another patch that would add > > something similar into virtio-net. My plan was to enable collecting > > statistics regarding memory, network and disk usage in a simple manner > > without accessing guests. > > > > How can this be used? my vision behind it was automation of kernel > > testing and benchmarking. > > > > This is something that can be used by very few people, but everyone has > to carry it. It's more efficient to add statistics support to your > automation framework (involving the guest). > That was just one example of many possibilities. However, if you feel this can't be used within monitoring or management platforms anyhow then I'm ok with dropping it. -- Sasha.