From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:50338) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QWSel-0002X4-BB for qemu-devel@nongnu.org; Tue, 14 Jun 2011 08:23:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QWSej-0001ac-Jt for qemu-devel@nongnu.org; Tue, 14 Jun 2011 08:23:42 -0400 Received: from mail-px0-f174.google.com ([209.85.212.174]:47992) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QWSei-0001a8-FF for qemu-devel@nongnu.org; Tue, 14 Jun 2011 08:23:41 -0400 Received: by pxi15 with SMTP id 15so3822370pxi.33 for ; Tue, 14 Jun 2011 05:23:38 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 14 Jun 2011 13:23:38 +0100 Message-ID: From: Peter Maydell Content-Type: text/plain; charset=UTF-8 Subject: Re: [Qemu-devel] SdCard read/write performance is slow List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Sid Kapoor Cc: qemu-devel@nongnu.org On 14 June 2011 12:22, Sid Kapoor wrote: > I am using qemu-system-arm for ARM Realview PBX-A9 board. I feel that the > performance (read/write) from the SdCard is slower than the case in which I > was mounting my rootfs through NFS. The size of my rootfs is around 3 GB. I > am making my SdCard image using qemu-img command and formatting it with ext3 > filesystem. Is this a common phenomenon with everyone? Or am I doing > something wrong in the case of SdCard ? I've seen very slow sdcard performance too; it's on my todo list to try to investigate but hasn't made it to the top yet. -- PMM