Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 19 Oct 2001 20:16:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 19 Oct 2001 20:15:47 -0400 Received: from mail11.speakeasy.net ([216.254.0.211]:56580 "EHLO mail11.speakeasy.net") by vger.kernel.org with ESMTP id ; Fri, 19 Oct 2001 20:15:39 -0400 Content-Type: text/plain; charset=US-ASCII From: safemode To: Andrei Lahun Subject: Re: problems with I/O performance with 2.4.12-ac3 Date: Fri, 19 Oct 2001 20:16:11 -0400 X-Mailer: KMail [version 1.3.2] Cc: Uman@editec-lotteries.com, linux-kernel@vger.kernel.org In-Reply-To: <20011019163058.1bb7c6f7.uman@chert> <20011019191446.7748bd80.uman@chert> In-Reply-To: <20011019191446.7748bd80.uman@chert> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <20011020001546Z278700-17408+2563@vger.kernel.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday 19 October 2001 13:14, Andrei Lahun wrote: > On Fri, 19 Oct 2001 09:27:35 -0400 > > safemode wrote: > > You should give ide and drive chipset info. This is not a problem seen > > by everyone using the ac3 kernel. Mine for instance run just fine. What > > settings did you use with bonnie++? all of this is required info if > > someone wanted to look and see why you are getting those numbers. > > My chipset is VIA apollo 133-A ( old shirt). > I have run bonnie++ just like bonnie -s 256 , and i have 128 MB of memory, > disk is MAXTOR 52049H4.With old kernels i always had results something like > i have with 2.4.13-pre now . And i have read one post in lkml about 2 times > less write output with 2.4.13 -pre comparing with ac, mine result are > opposite. 2.4.12-ac3-preempt-hogstop (no vm patches after the hogstop patch of a couple days ago). PDC20262: chipset revision 1 (my drive on the VIA vt82c686a (rev 22) is too full to run the test) Maxtor 32049H2, ATA DISK drive All tests were done on this drive. (not clean boot) test results (bonnie++) no extra arguments. Version 1.02 ------Sequential Output------ --Sequential Input- --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP psuedomode 1504M 6668 95 27108 39 5429 8 6217 82 22005 11 76.9 0 ------Sequential Create------ --------Random Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 1501 97 +++++ +++ +++++ +++ 1548 99 +++++ +++ 4056 99 psuedomode,1504M,6668,95,27108,39,5429,8,6217,82,22005,11,76.9,0,16,1501,97,+++++,+++,+++++,+++,1548,99,+++++,+++,4056,99 hdparm results Timing buffered disk reads: 64 MB in 2.26 seconds = 28.32 MB/sec Timing buffer-cache reads: 128 MB in 1.00 seconds =128.00 MB/sec (run in that order) dbench results (./dbench 32) Throughput 47.3829 MB/sec (NB=59.2286 MB/sec 473.829 MBit/sec) - 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/