From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MIjLY-0005st-9Z for qemu-devel@nongnu.org; Mon, 22 Jun 2009 09:14:04 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MIjLT-0005r1-9C for qemu-devel@nongnu.org; Mon, 22 Jun 2009 09:14:03 -0400 Received: from [199.232.76.173] (port=43463 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MIjLS-0005qf-66 for qemu-devel@nongnu.org; Mon, 22 Jun 2009 09:13:58 -0400 Received: from mx2.redhat.com ([66.187.237.31]:53421) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MIjLR-0001xj-Re for qemu-devel@nongnu.org; Mon, 22 Jun 2009 09:13:58 -0400 Message-ID: <4A3F83C3.4060602@redhat.com> Date: Mon, 22 Jun 2009 16:14:43 +0300 From: Avi Kivity MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH] block-raw: Make cache=off default again References: <1245669483-7076-1-git-send-email-kwolf@redhat.com> <20090622113524.GA13583@lst.de> <4A3F6EA3.2010303@redhat.com> <20090622130400.GA19567@lst.de> In-Reply-To: <20090622130400.GA19567@lst.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Christoph Hellwig Cc: Kevin Wolf , qemu-devel@nongnu.org On 06/22/2009 04:04 PM, Christoph Hellwig wrote: > On Mon, Jun 22, 2009 at 01:44:35PM +0200, Kevin Wolf wrote: > >> IIUC, you have a nice setup to measure block performance now. Maybe >> you'd like to let it run with qcow2 and cache=wb/none? >> > > The setup is not quite nice yet, still involves a lot of manual setup. > I'm working on recovering my shell script super powers to automate it > and then we can throw all kinds of tests at it without much work. > Shell gets very nasty very fast. Can I recommend Python? -- error compiling committee.c: too many arguments to function