From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:33085) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TWTuo-0005wI-7f for qemu-devel@nongnu.org; Thu, 08 Nov 2012 10:21:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TWTun-00044h-4z for qemu-devel@nongnu.org; Thu, 08 Nov 2012 10:21:10 -0500 Received: from mx1.redhat.com ([209.132.183.28]:28767) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TWTum-00044d-T9 for qemu-devel@nongnu.org; Thu, 08 Nov 2012 10:21:09 -0500 Message-ID: <509BCDDB.6050207@redhat.com> Date: Thu, 08 Nov 2012 16:20:59 +0100 From: Gerd Hoffmann MIME-Version: 1.0 References: <1351823524-7149-1-git-send-email-david@gibson.dropbear.id.au> <509376CB.8000905@redhat.com> <20121105042048.GY27695@truffula.fritz.box> <509792D9.4030208@redhat.com> <509BCAE3.2030304@citrix.com> In-Reply-To: <509BCAE3.2030304@citrix.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] xhci and ehci qemu emulation performance List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefano Panella Cc: "qemu-devel@nongnu.org" , David Gibson On 11/08/12 16:08, Stefano Panella wrote: > Hi, > > I am very new to the qemu list, > > Thanks for your time in advance if you can answer some of my questions. > > I see you have done a big work on xhci emulation support for qemu! > > I would like to ask: > - what is it the status of xhci support for SS usb3 devices? no streams support yet, otherwise it should work in theory. There might be bugs though, and xhci hasn't seen that much testing yet. > - Is it available any performance measurement on the emulation compared > to native (for example attaching an usb3 SSD drive etc.)? I don't have benchmark numbers. cheers, Gerd