From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 27 Jan 2001 23:00:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 27 Jan 2001 23:00:34 -0500 Received: from femail1.rdc1.on.home.com ([24.2.9.88]:18430 "EHLO femail1.rdc1.on.home.com") by vger.kernel.org with ESMTP id ; Sat, 27 Jan 2001 23:00:32 -0500 Message-ID: <3A73993F.DA35B57E@Home.net> Date: Sat, 27 Jan 2001 22:59:59 -0500 From: Shawn Starr Organization: Visualnet X-Mailer: Mozilla 4.76 [en] (X11; U; Linux 2.4.1-pre10 i586) X-Accept-Language: en MIME-Version: 1.0 To: Andrew Morton CC: Shawn Starr , Chris Mason , Gregory Maxwell , linux-kernel@vger.kernel.org Subject: Re: Kernel 2.4.x and 2.4.1-preX - Higher latency then 2.2.xkernels? In-Reply-To: <186870000.980100593@tiny> <3A6B6FDE.93AF69CC@Home.net> <3A72820A.1488BDC@uow.edu.au> <3A7280F5.F122FE35@Home.com> <3A738A36.F6294623@Home.net> <3A739205.7C71EF89@uow.edu.au> 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 It should also be noted, that while using GCC and other tasks, the latency has returned to 2.2 levels from my point. Before. If you want to me to do any testing I can do that. I applied the timepegs patch: Kernel timepegs enabled. See http://www.uow.edu.au/~andrewm/linux/ Shawn. > > > > Andrew, the patch HAS made a difference. For example, while untaring glibc-2.2.1.tar.gz the > > system was not sluggish (mouse movements in X) etc. > > > > Seems to be a go for latency improvements on this system. > > hmm.. OK, thanks. > > Chris, this seems to be a worthwhile improvement to mainstream > reiserfs, independent of the low-latency thing. You can > probably achieve 10 milliseconds with just a few lines of > code - a subset of the patch which Shawn tested. (Unless you > were planning on magical algorithmic improvements...). > > I'm all set up to generate those few lines of code, so > I'll propose a patch later this week. > > - - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/