From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:49403) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TkZiC-00014i-In for qemu-devel@nongnu.org; Mon, 17 Dec 2012 07:22:25 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TkZiB-0000vN-If for qemu-devel@nongnu.org; Mon, 17 Dec 2012 07:22:24 -0500 Received: from mx1.redhat.com ([209.132.183.28]:7294) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TkZiB-0000vI-Ax for qemu-devel@nongnu.org; Mon, 17 Dec 2012 07:22:23 -0500 Date: Mon, 17 Dec 2012 10:22:22 -0200 From: Luiz Capitulino Message-ID: <20121217102222.3ef6dd93@doriath.home> In-Reply-To: <24E144B8C0207547AD09C467A8259F75578B4B3D@lisa.maurer-it.com> References: <1355500182-12743-1-git-send-email-lcapitulino@redhat.com> <24E144B8C0207547AD09C467A8259F75578B33BF@lisa.maurer-it.com> <20121217095224.3e616fb6@doriath.home> <24E144B8C0207547AD09C467A8259F75578B4B3D@lisa.maurer-it.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 0/3] re-enable balloon stats List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Dietmar Maurer Cc: "mdroth@linux.vnet.ibm.com" , "aliguori@us.ibm.com" , "qemu-devel@nongnu.org" , "agl@us.ibm.com" On Mon, 17 Dec 2012 12:17:28 +0000 Dietmar Maurer wrote: > > Let me try once more to explain our options and why I think this is series is > > our best choice. > > > > Basically, we have try options: > > > > 1. Add stats to query-balloon > > > > This breaks existing clients, because query-balloon is a synchronous > > command that returns immediately. If we add stats to it (as we did) then it > > will have to wait for the guest to respond, which can take a long time or even > > doesn't happen at all if the guest is paused. > > No, there is no need to wait (see my patch). It has problems, replied to it.