From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268207AbUH1Gyz (ORCPT ); Sat, 28 Aug 2004 02:54:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267298AbUH1Gyz (ORCPT ); Sat, 28 Aug 2004 02:54:55 -0400 Received: from rwcrmhc13.comcast.net ([204.127.198.39]:31445 "EHLO rwcrmhc13.comcast.net") by vger.kernel.org with ESMTP id S267238AbUH1Gys (ORCPT ); Sat, 28 Aug 2004 02:54:48 -0400 Message-ID: <41302C39.2080100@namesys.com> Date: Fri, 27 Aug 2004 23:54:49 -0700 From: Hans Reiser User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040803 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Steve Bergman CC: Nikita Danilov , Christoph Hellwig , Christophe Saout , Andrew Morton , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, flx@namesys.com, torvalds@osdl.org, reiserfs , Alexander Zarochentcev Subject: Re: reiser4 plugins References: <20040825152805.45a1ce64.akpm@osdl.org> <412D9FE6.9050307@namesys.com> <20040826014542.4bfe7cc3.akpm@osdl.org> <1093522729.9004.40.camel@leto.cs.pocnet.net> <20040826124929.GA542@lst.de> <1093525234.9004.55.camel@leto.cs.pocnet.net> <20040826130718.GB820@lst.de> <1093526273.11694.8.camel@leto.cs.pocnet.net> <20040826132439.GA1188@lst.de> <1093527307.11694.23.camel@leto.cs.pocnet.net> <20040826134034.GA1470@lst.de> <1093528683.11694.36.camel@leto.cs.pocnet.net> <412E786E.5080608@namesys.com> <16687.9051.311225.697109@thebsh.namesys.com> <412F7A59.8060508@namesys.com> <1093645747.17445.19.camel@voyager.localdomain> In-Reply-To: <1093645747.17445.19.camel@voyager.localdomain> X-Enigmail-Version: 0.85.0.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Steve Bergman wrote: >On Fri, 2004-08-27 at 11:15 -0700, Hans Reiser wrote: > > >>If you ask real users, they say that reiser4 is fast, and their >>experience matches our benchmark. You can criticize the benchmark if >>you want, but then you should run your own and publish it. >> >> >> > > >As a "real" desktop user who just converted all his partitions from ext3 >to reiser4, I have not, as yet, noticed any startling performance >increase. Being slightly slightly irked to hear that the benchmark >numbers that have been paraded around on Slashdot and the internet in >general, at ext3's expense, have had reiser4's "bad" results surgically >extracted, I am running my own benchmarks to get the real story on >reiser4/ext3 mongo performance on my, rather average, desktop hardware. > >I am using the latest Mongo on FC/rawhide and the 2.6.8.1-mm4 kernel. > >Unfortunately, I get an error from mongo.pl that "Done" is not a numeric >argument at line 439. > >I have done this to fix it: > > >--- mongo.pl 2004-08-27 17:07:01.681723313 -0500 >+++ mongo_fixed.pl 2004-08-27 17:06:51.369306735 -0500 >@@ -429,8 +429,8 @@ > if ( -e ${ERR_FILE}) { > &DIE ("\nEXITED WITH FAIL\n"); > } >- my $real = (split ' ', $time_output[0])[1]; >- my $cpu = (split ' ', $time_output[2])[1]; >+ my $real = (split ' ', $time_output[1])[1]; >+ my $cpu = (split ' ', $time_output[3])[1]; > > unless ( $real =~ /\s*\d+/ && $cpu =~ /\s*\d+/) { > LOG "@time_output"; > > >What it gets me is the "real" line of the "time" output for "STAT >REAL_TIME" and the "sys" line of the "time" output for "STAT CPU_TIME". >i.e. only system time is counted. I believe this was the intent of the >original code, but want to verify before continuing. > >Thanks, >Steve Bergman > > > > > I didn't write this (more precisely, it only vaguely resembles what I wrote in 1996). Are you saying that it reports system time as real time? If yes, then it is an error, we need to go remove a bunch of numbers from our benchmarks, and thanks for finding it. Zam, please comment. Hans