From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=38926 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PUKaY-0005vF-7z for qemu-devel@nongnu.org; Sun, 19 Dec 2010 09:50:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PUKaW-0007B1-IV for qemu-devel@nongnu.org; Sun, 19 Dec 2010 09:50:17 -0500 Received: from mx1.redhat.com ([209.132.183.28]:4170) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PUKaW-0007Aq-A9 for qemu-devel@nongnu.org; Sun, 19 Dec 2010 09:50:16 -0500 Date: Sun, 19 Dec 2010 16:49:53 +0200 From: "Michael S. Tsirkin" Message-ID: <20101219144953.GA20565@redhat.com> References: <20101213133538.GA2731@redhat.com> <20101213133615.GB2731@redhat.com> <20101213161219.GA6715@redhat.com> <20101213185251.GA9554@redhat.com> <20101215121423.GB1746@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: [Qemu-devel] Re: [PATCH v5 0/4] virtio: Use ioeventfd for virtqueue notify List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi Cc: qemu-devel@nongnu.org On Wed, Dec 15, 2010 at 12:59:45PM +0000, Stefan Hajnoczi wrote: > > I'm concerned that the tests were done on qemu.git. > > Could you check block with qemu-kvm too please? > > The following results show qemu-kvm with virtio-ioeventfd v3 for both > aio=native and aio=threads: > > http://wiki.qemu.org/Features/VirtioIoeventfd > > Stefan What were the flags used to run qemu here? One option that's known to affect speed significantly is x2apic. Did you try it? -- MST