From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=209.132.183.28; helo=mx1.redhat.com; envelope-from=rjones@redhat.com; receiver=edk2-devel@lists.01.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 2E49222489CBB for ; Fri, 16 Mar 2018 02:53:27 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0F28D2BBE14; Fri, 16 Mar 2018 09:59:52 +0000 (UTC) Received: from localhost (unknown [10.36.118.54]) by smtp.corp.redhat.com (Postfix) with ESMTP id A59CD5D726; Fri, 16 Mar 2018 09:59:51 +0000 (UTC) Date: Fri, 16 Mar 2018 09:59:50 +0000 From: "Richard W.M. Jones" To: Laszlo Ersek Cc: edk2-devel-01 , "Gabriel L. Somlo" , Ard Biesheuvel , Jordan Justen , Xiang Zheng Message-ID: <20180316095950.GZ2787@redhat.com> References: <20180315190258.6580-1-lersek@redhat.com> MIME-Version: 1.0 In-Reply-To: <20180315190258.6580-1-lersek@redhat.com> User-Agent: Mutt/1.5.20 (2009-12-10) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Fri, 16 Mar 2018 09:59:52 +0000 (UTC) Subject: Re: [PATCH 0/5] ArmVirtPkg, OvmfPkg: improve firmware duration of direct kernel boot X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Mar 2018 09:53:28 -0000 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Mar 15, 2018 at 08:02:53PM +0100, Laszlo Ersek wrote: > Please attach a good number of disks at once on the command line, I read this bit then forgot to do it :-/ The test suite has a test for adding a large number of drives: https://github.com/libguestfs/libguestfs/tree/master/tests/disks so it's quite easy for me to test this: $ time ./test-add-disks -n 100 Results with Fedora's edk2-aarch64: real 8m25.353s user 0m2.393s sys 0m2.657s Results with your file: real 8m15.285s user 0m0.178s sys 0m0.381s So there's not really a great difference here, but boot time is not a significant factor for this test unlike the boot benchmark tests. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-builder quickly builds VMs from scratch http://libguestfs.org/virt-builder.1.html