Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422824AbWBOEXE (ORCPT ); Tue, 14 Feb 2006 23:23:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422825AbWBOEXD (ORCPT ); Tue, 14 Feb 2006 23:23:03 -0500 Received: from mustang.oldcity.dca.net ([216.158.38.3]:58263 "HELO mustang.oldcity.dca.net") by vger.kernel.org with SMTP id S1422824AbWBOEXC (ORCPT ); Tue, 14 Feb 2006 23:23:02 -0500 Subject: Re: 2.6 vs 2.4, ssh terminal slowdown From: Lee Revell To: MIke Galbraith Cc: Con Kolivas , Jan Engelhardt , gcoady@gmail.com, linux-kernel@vger.kernel.org, Ingo Molnar In-Reply-To: <1139834106.7831.115.camel@homer> References: <200602131637.43335.kernel@kolivas.org> <1139810224.7935.9.camel@homer> <200602131708.52342.kernel@kolivas.org> <1139812538.7744.8.camel@homer> <1139812725.2739.94.camel@mindpipe> <1139814504.8124.6.camel@homer> <1139820181.3202.2.camel@mindpipe> <1139834106.7831.115.camel@homer> Content-Type: text/plain Date: Tue, 14 Feb 2006 23:22:53 -0500 Message-Id: <1139977373.2733.9.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.5.91 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1549 Lines: 34 On Mon, 2006-02-13 at 13:35 +0100, MIke Galbraith wrote: > On Mon, 2006-02-13 at 03:43 -0500, Lee Revell wrote: > > On Mon, 2006-02-13 at 08:08 +0100, MIke Galbraith wrote: > > > On Mon, 2006-02-13 at 01:38 -0500, Lee Revell wrote: > > > > Do you know which of those changes fixes the "ls" problem? > > > > > > No, it could be either, both, or neither. Heck, it _could_ be a > > > combination of all of the things in my experimental tree for that > > > matter. I put this patch out there because I know they're both bugs, > > > and strongly suspect it'll cure the worst of the interactivity related > > > delays. > > > > > > I'm hoping you'll test it and confirm that it fixes yours. > > > > Nope, this does not fix it. "time ls" ping-pongs back and forth between > > ~0.1s and ~0.9s. Must have been something else in the first patch. > > Hmm. Thinking about it some more, it's probably more than this alone, > but it could well be the boost qualifier I'm using... OK, with 2.6.16-rc2-mm1, "ls" bounces around between 0.15s and 0.50s. Better than mainline but the large seemingly random variance is still perceptible and annoying. And, "ls | cat" behaves about the same as "ls", while on mainline it was consistently faster (!). Do you have an updated patch against -mm that I can test? Lee - 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/