From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265803AbUFXWAu (ORCPT ); Thu, 24 Jun 2004 18:00:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265831AbUFXV7n (ORCPT ); Thu, 24 Jun 2004 17:59:43 -0400 Received: from washoe.rutgers.edu ([165.230.95.67]:17624 "EHLO washoe.rutgers.edu") by vger.kernel.org with ESMTP id S265817AbUFXV7F (ORCPT ); Thu, 24 Jun 2004 17:59:05 -0400 Date: Thu, 24 Jun 2004 17:58:57 -0400 From: Yaroslav Halchenko To: Denis Vlasenko , Yaroslav Halchenko , linux kernel mailing list Subject: Re: alienware hardware Message-ID: <20040624215856.GA728@washoe.rutgers.edu> Mail-Followup-To: Denis Vlasenko , Yaroslav Halchenko , linux kernel mailing list References: <20040624191026.GP728@washoe.rutgers.edu> <200406242315.56213.vda@port.imtp.ilyichevsk.odessa.ua> <20040624202626.GS728@washoe.rutgers.edu> <200406242358.55782.vda@port.imtp.ilyichevsk.odessa.ua> <20040624212600.GW728@washoe.rutgers.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040624212600.GW728@washoe.rutgers.edu> X-Image-Url: http://www.onerussian.com/img/yoh.png User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org just once again and I will stop before I try with noioapic and acpi=off: when I did strace on ps auxw it spends second or two again on mmap2 whenever it doesn't do that on any other machine here is strace with relative timestamps (strace -r) of ps auxw 3003 0.001784 open("/boot/System.map-2.6.7-bk7", O_RDONLY|O_NONBLOCK|O_NOCTTY) = 6 3003 0.001171 fstat64(6, {st_mode=S_IFREG|0644, st_size=932887, ...}) = 0 3003 0.001598 mmap2(NULL, 932888, PROT_READ|PROT_WRITE, MAP_PRIVATE, 6, 0) = 0x40163000 3003 0.001156 close(6) = 0 3003 1.930769 mmap2(NULL, 266240, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40247000 3003 1.322821 open("/proc", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 6 3003 0.001124 fstat64(6, {st_mode=S_IFDIR|0555, st_size=0, ...}) = 0 On Thu, Jun 24, 2004 at 05:26:00PM -0400, Yaroslav Halchenko wrote: > On Thu, Jun 24, 2004 at 11:58:55PM +0300, Denis Vlasenko wrote: > > Do a > > # strace -p 1501 > > and you'll se what's going on > can you please help me to understand the dump? > time strace -p 2586 > Process 2586 attached - interrupt to quit > brk(0) = 0x8dff000 > brk(0x8e21000) = 0x8e21000 > brk(0) = 0x8e21000 > brk(0x8e43000) = 0x8e43000 > brk(0) = 0x8e43000 > brk(0x8e65000) = 0x8e65000 > brk(0) = 0x8e65000 > brk(0x8e87000) = 0x8e87000 > brk(0) = 0x8e87000 > brk(0x8ea9000) = 0x8ea9000 > brk(0) = 0x8ea9000 > brk(0x8ecb000) = 0x8ecb000 > brk(0) = 0x8ecb000 > brk(0x8eed000) = 0x8eed000 > brk(0) = 0x8eed000 > brk(0x8f0f000) = 0x8f0f000 > brk(0) = 0x8f0f000 > brk(0x8f30000) = 0x8f30000 > brk(0) = 0x8f30000 > brk(0x8f52000) = 0x8f52000 > Process 2586 detached > real 0m6.927s > user 0m0.032s > sys 0m0.004s > if I dump longer than the rest kinda flies so it is slows down just > after > open("/var/lib/dpkg/available", O_RDONLY) = 4 > fstat64(4, {st_mode=S_IFREG|0644, st_size=12398100, ...}) = 0 > mmap2(NULL, 12398100, PROT_READ, MAP_SHARED, 4, 0) = 0x40157000 > brk(0) = 0x840e000 > brk(0x8430000) = 0x8430000 > brk(0) = 0x8430000 > .... > I will check once more when it 'delays' -- Yaroslav Halchenko Research Assistant, Psychology Department, Rutgers Office (973) 353-5440 x263 Ph.D. Student CS Dept. NJIT Key http://www.onerussian.com/gpg-yoh.asc GPG fingerprint 3BB6 E124 0643 A615 6F00 6854 8D11 4563 75C0 24C8