Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 29 Oct 2001 19:08:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 29 Oct 2001 19:07:51 -0500 Received: from goose.mail.pas.earthlink.net ([207.217.120.18]:54992 "EHLO goose.prod.itd.earthlink.net") by vger.kernel.org with ESMTP id ; Mon, 29 Oct 2001 19:07:40 -0500 Date: Mon, 29 Oct 2001 19:10:00 -0500 To: Andrea Arcangeli Cc: linux-kernel@vger.kernel.org, ltp-list@lists.sourceforge.net, Linus Torvalds Subject: Re: 2.4.14pre3aa3 [was Re: VM test on 2.4.14pre3aa2 (compared to 2.4.14pre3aa1)] Message-ID: <20011029191000.A202@earthlink.net> In-Reply-To: <20011028120721.A286@earthlink.net> <20011029014715.J1396@athlon.random> <20011029034546.L1396@athlon.random> <20011029042938.M1396@athlon.random> <20011029045747.N1396@athlon.random> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20011029045747.N1396@athlon.random>; from andrea@suse.de on Mon, Oct 29, 2001 at 04:57:47AM +0100 From: rwhron@earthlink.net Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 29, 2001 at 04:57:47AM +0100, Andrea Arcangeli wrote: > BTW, you can still tweak the /proc/sys/vm/vm_* parameters. there's the > updated commentary in mm/vmscan.c. default values should be sane. As usual an > unit change isn't going to make relevant differences, those numbers doesn't > need to be perfect. > > Andrea I haven't tried the patched version of the LTP tests yet. This is with 2.4.14-pre3aa4. Summary: mtest01 2.4.14-pre3 Elapsed (wall clock) time: 30.517 2.4.14-pre3aa2 Elapsed (wall clock) time: 65.176 2.4.14-pre3aa4 Elapsed (wall clock) time: 37.277 mmap001 2.4.14-pre3 Elapsed (wall clock seconds) time: 171.45 2.4.14-pre3aa2 terminated with signal 9 2.4.14-pre3aa4 Elapsed (wall clock seconds) time: 170.47 2.4.14-pre3 had the best interactive feel and mp3 sound. Test: "mtest01 -p 80" -w and "mmap001 -m 500000" Play mp3 sampled at 128k with mp3blaster. Light bitchx use (2 sessions), lynx, 52k link to net. vmstat 8, iostat 10, no X. (typical load for these tests). Change page-cluster from default (3) to 2. 2.4.14pre3aa4 page-cluster=3 mp3 played 275 seconds of 373 second run. Averages for 10 mtest01 runs bytes allocated: 1247805440 User time (seconds): 2.105 System time (seconds): 2.893 Elapsed (wall clock) time: 37.277 Percent of CPU this job got: 12.80 Major (requiring I/O) page faults: 131.9 Minor (reclaiming a frame) faults: 305428.0 mp3 played 800 seconds of 850 second run. Average for 5 mmap001 runs bytes allocated: 2048000000 User time (seconds): 19.502 System time (seconds): 14.312 Elapsed (wall clock seconds) time: 170.47 Percent of CPU this job got: 19.20 Major (requiring I/O) page faults: 500166.4 Minor (reclaiming a frame) faults: 44.2 2.4.14pre3aa4 page-cluster=2 mp3 played 295 seconds of 388 second run Averages for 10 mtest01 runs bytes allocated: 1249692876 User time (seconds): 2.092 System time (seconds): 2.845 Elapsed (wall clock) time: 38.753 Percent of CPU this job got: 12.40 Major (requiring I/O) page faults: 131.9 Minor (reclaiming a frame) faults: 305888.8 mp3 played 810 seconds of 855 second run Average for 5 mmap001 runs bytes allocated: 2048000000 User time (seconds): 19.420 System time (seconds): 14.878 Elapsed (wall clock seconds) time: 170.96 Percent of CPU this job got: 19.60 Major (requiring I/O) page faults: 500167.0 Minor (reclaiming a frame) faults: 41.2 Hardware: AMD 1333 Athlon 512 MB RAM 1024 MB swap. -- Randy Hron - 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/