Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751587AbVLFDuw (ORCPT ); Mon, 5 Dec 2005 22:50:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751588AbVLFDuv (ORCPT ); Mon, 5 Dec 2005 22:50:51 -0500 Received: from rtr.ca ([64.26.128.89]:61824 "EHLO mail.rtr.ca") by vger.kernel.org with ESMTP id S1751587AbVLFDuv (ORCPT ); Mon, 5 Dec 2005 22:50:51 -0500 Message-ID: <43950A99.5040907@rtr.ca> Date: Mon, 05 Dec 2005 22:50:49 -0500 From: Mark Lord User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20051013 Debian/1.7.12-1ubuntu1 X-Accept-Language: en, en-us MIME-Version: 1.0 To: Andy Isaacson Cc: Pavel Machek , Nigel Cunningham , "Rafael J. Wysocki" , Linux Kernel Mailing List Subject: Re: swsusp performance problems in 2.6.15-rc3-mm1 References: <20051205081935.GI22168@hexapodia.org> <20051205121728.GF5509@elf.ucw.cz> <1133791084.3872.53.camel@laptop.cunninghams> <200512052328.01999.rjw@sisk.pl> <1133831242.6360.15.camel@localhost> <20051206013759.GI1770@elf.ucw.cz> <20051206014720.GN22168@hexapodia.org> In-Reply-To: <20051206014720.GN22168@hexapodia.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 987 Lines: 27 Andy Isaacson wrote: > >>/dev/hda: >> Timing buffered disk reads: 108 MB in 3.01 seconds = 35.85 MB/sec > > That's quite a bit better than mine, and I am pretty sure I am the same > vintage or newer (purchased this summer), but I'm getting barely half > that speed: > Timing buffered disk reads: 58 MB in 3.10 seconds = 18.70 MB/sec > > How can I find out what disk is in this beast and try to track down some > of my missing performance? hdparm -I /dev/hda (or cat /proc/ide/hda/model) The FUJITSU MHV2100AH in my Dell i9300 gives 57.5 MB/sec with hdparm. Note that hdparm does not read in the most efficient manner (so the drive is likely even faster than that), and writing to drives is normally slower than reading. Cheers - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/