Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 15 Mar 2003 17:48:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 15 Mar 2003 17:48:16 -0500 Received: from holomorphy.com ([66.224.33.161]:44755 "EHLO holomorphy") by vger.kernel.org with ESMTP id ; Sat, 15 Mar 2003 17:48:15 -0500 Date: Sat, 15 Mar 2003 14:58:42 -0800 From: William Lee Irwin III To: Andrew Morton Cc: bzzz@tmi.comex.ru, linux-kernel@vger.kernel.org, ext2-devel@lists.sourceforge.net Subject: Re: [PATCH] concurrent inode allocation for ext2 against 2.5.64 Message-ID: <20030315225842.GA20188@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Andrew Morton , bzzz@tmi.comex.ru, linux-kernel@vger.kernel.org, ext2-devel@lists.sourceforge.net References: <20030315220241.GX20188@holomorphy.com> <20030315143718.60e006b7.akpm@digeo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030315143718.60e006b7.akpm@digeo.com> User-Agent: Mutt/1.3.28i Organization: The Domain of Holomorphy Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2801 Lines: 49 William Lee Irwin III wrote: >> 32x/48GB NUMA-Q >> Throughput 257.986 MB/sec 128 procs >> dbench 128 95.36s user 4833.06s system 2832% cpu 2:53.97 total >> vma samples %-age symbol name >> c01dc9ac 4532033 21.4566 .text.lock.dec_and_lock >> c0169c0b 3835802 18.1603 .text.lock.dcache >> c0106ff4 1741849 8.24666 default_idle On Sat, Mar 15, 2003 at 02:37:18PM -0800, Andrew Morton wrote: > Looks like it's gone nuts when 128 processes all try to close lots of > files at the same time. > One possible reason for this leaping out is that all the instances are now > achieving more uniform runtimes. You can tell that by comparing the dbench > dots. For some reason this version of dbench doesn't produce dots. I logged what it did produce, though. It looks something like this: 8 103.63 MB/sec^M 128 4008 105.52 MB/sec^M 128 4397 108.04 MB/sec^M 128 4811 109.90 MB/sec^M 128 5243 111.89 MB/sec^M 128 5637 114.19 MB/sec 128 6039 117.42 MB/sec^M 128 6421 120.99 MB/sec^M 128 6779 124.12 M B/sec^M 128 7120 127.06 MB/sec^M 128 7467 128.75 MB/sec^M 128 7799 1 30.19 MB/sec^M 128 8146 131.55 MB/sec^M 128 8551 132.97 MB/sec^M 128 8975 134.09 MB/sec^M 128 9374 135.67 MB/sec^M 128 9737 137.73 MB/sec^M 12 8 10123 140.34 MB/sec^M 128 10503 142.81 MB/sec^M 128 10847 145.13 MB/s ec^M 128 11161 146.17 MB/sec^M 128 11511 147.09 MB/sec^M 128 11857 147. 92 MB/sec^M 128 12293 149.22 MB/sec^M 128 12711 149.91 MB/sec^M 128 1309 6 151.01 MB/sec^M 128 13470 152.52 MB/sec^M 128 13808 154.25 MB/sec^M 128 14176 156.10 MB/sec^M 128 14517 157.65 MB/sec^M 128 14842 158.75 MB/sec 128 15200 159.51 MB/sec^M 128 15558 159.99 MB/sec^M 128 15947 160.84 M B/sec^M 128 16372 161.64 MB/sec^M 128 16805 162.56 MB/sec^M 128 17175 1 63.49 MB/sec^M 128 17523 164.99 MB/sec^M 128 17884 166.28 MB/sec^M 128 1 8237 167.82 MB/sec^M 128 18575 168.78 MB/sec^M 128 18919 169.10 MB/sec^M 12 8 19246 169.26 MB/sec^M 128 19600 169.73 MB/sec^M 128 19983 170.34 MB/s ec^M 128 20398 170.91 MB/sec^M 128 20782 171.59 MB/sec^M 128 21126 172. 44 MB/sec^M 128 21456 173.34 MB/sec^M 128 21792 174.53 MB/sec^M 128 2213 8 175.44 MB/sec^M 128 22499 176.01 MB/sec^M 128 22821 176.11 MB/sec^M 128 ... and dos2unix just annihilated the log from the last run ... -- wli - 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/