Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271077AbTGPTlK (ORCPT ); Wed, 16 Jul 2003 15:41:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271074AbTGPTlJ (ORCPT ); Wed, 16 Jul 2003 15:41:09 -0400 Received: from lindsey.linux-systeme.com ([80.190.48.67]:15625 "EHLO mx00.linux-systeme.com") by vger.kernel.org with ESMTP id S271089AbTGPTkz (ORCPT ); Wed, 16 Jul 2003 15:40:55 -0400 From: Marc-Christian Petersen Organization: Working Overloaded Linux Kernel To: Con Kolivas , Felipe Alfaro Solana Subject: Re: [PATCH] O6int for interactivity Date: Wed, 16 Jul 2003 21:55:06 +0200 User-Agent: KMail/1.5.2 Cc: linux kernel mailing list , Andrew Morton , Zwane Mwaikambo References: <200307170030.25934.kernel@kolivas.org> <1058368952.873.1.camel@teapot.felipe-alfaro.com> In-Reply-To: <1058368952.873.1.camel@teapot.felipe-alfaro.com> MIME-Version: 1.0 Content-Disposition: inline Message-Id: <200307162142.29821.m.c.p@wolk-project.de> Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2198 Lines: 73 On Wednesday 16 July 2003 17:22, Felipe Alfaro Solana wrote: Hi Con, > > This one makes a massive difference... Please test this to death. > Oh, my god... This is nearly perfect! :-) > On 2.6.0-test1-mm1 with o6int.patch, I can't reproduce XMMS initial > starvation anymore and X feels smoother under heavy load. > Nice... ;-) hmm, I really wonder why I don't see any difference for my box. 1. "make -j2 bzImage modules" slows down my box alot. 2. kmail is slow like a dog while make -j2 3. xterm needs ~5seconds while make -j2 to open up 4. xmms does not skip 5. I've tried Felipe's suggestions, they are: #define PRIO_BONUS_RATIO 45 #define INTERACTIVE_DELTA 4 #define MAX_SLEEP_AVG (HZ) #define STARVATION_LIMIT (HZ) At least with these changes kmail is much much faster but still not as fast as w/o the compilation. Xterm needs ~5seconds to open up. 6. Xterm: "ls -lsa" in a directory with ~1200 files 2.6.0-test1-mm1 + O6int: ------------------------ real 0m12.468s user 0m0.170s sys 0m0.057s 2.4.20-wolk4.4: O(1) from latest -aa tree ----------------------------------------- real 0m0.689s user 0m0.031s sys 0m0.011s 7. playing an mpeg with mplayer while "make -j2 bzImage modules" let the movie skip some frames every ~10 seconds. 8. I've also tried min_timeslice == max_timeslice (10) w/o much difference :-( I remember that this helped alot in earlier 2.5 kernels. I have to say that the XMMS issue is really less important for me. I want a kernel where I can "make -j bzImage modules" and don't notice that compilation w/o renicing all the gcc instances. Machine: -------- Celeron 1,3GHz 512MB RAM 2x IDE (UDMA100) 60/40 GB 1GB SWAP, 512MB on each disk (same priority) ext3fs (data=ordered) anticipatory I/O scheduler XFree 4.3 WindowMaker 0.82-CVS Is my box the only one on earth which don't like the scheduler fixups? ;) ciao, Marc - 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/