From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=47982 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OEMVz-0005H2-8v for qemu-devel@nongnu.org; Tue, 18 May 2010 09:07:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OEMVx-0002Kq-U9 for qemu-devel@nongnu.org; Tue, 18 May 2010 09:07:18 -0400 Received: from 0122700014.0.fullrate.dk ([95.166.99.235]:39782 helo=kernel.dk) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OEMVx-0002KQ-Me for qemu-devel@nongnu.org; Tue, 18 May 2010 09:07:17 -0400 Date: Tue, 18 May 2010 15:07:13 +0200 From: Jens Axboe Message-ID: <20100518130712.GA25951@kernel.dk> References: <1273870057-4287-1-git-send-email-stefanha@linux.vnet.ibm.com> <201005141730.57158.iggy@theiggy.com> <20100518080705.GA2467@stefan-thinkpad.transitives.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100518080705.GA2467@stefan-thinkpad.transitives.com> Subject: [Qemu-devel] Re: [PATCH RFC] virtio_blk: Use blk-iopoll for host->guest notify List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi Cc: Brian Jackson , kvm@vger.kernel.org, Rusty Russell , qemu-devel@nongnu.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org On Tue, May 18 2010, Stefan Hajnoczi wrote: > On Fri, May 14, 2010 at 05:30:56PM -0500, Brian Jackson wrote: > > Any preliminary numbers? latency, throughput, cpu use? What about comparing > > different "weights"? > > I am running benchmarks and will report results when they are in. I'm very interested as well, I have been hoping for some more adoption of this. I have mptsas and mpt2sas patches pending as well. I have not done enough and fully exhaustive weight analysis, so note me down for wanting such an analysis on virtio_blk as well. -- Jens Axboe