From owner-freebsd-questions@FreeBSD.ORG Thu Feb 7 19:47:36 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 423E916A473 for ; Thu, 7 Feb 2008 19:47:36 +0000 (UTC) (envelope-from havok173@gmail.com) Received: from qb-out-0506.google.com (qb-out-0506.google.com [72.14.204.239]) by mx1.freebsd.org (Postfix) with ESMTP id E864D13C461 for ; Thu, 7 Feb 2008 19:47:35 +0000 (UTC) (envelope-from havok173@gmail.com) Received: by qb-out-0506.google.com with SMTP id a10so6195391qbd.7 for ; Thu, 07 Feb 2008 11:47:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; bh=FWjaEkSqKBp12b81NKyvT2SvH+DUMZc9HRELqrgnRPg=; b=CDSi9BBR+HZv0D+c8SCaimw5lJfMK/ZaEjK+A6Xlxab4Kv/9BQilx6ETylOaDGLhmLukbGMejqH10edImzPp3Aqywi0ClGt/0yYFKD4eKkOZe9SbGK+0rsdh4Md4kz7F/5XHJUlJVnzeIcYPad0RMKff6sX/z9I0U++CUvEwjHs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=pD4FKjuT3nuTRZFh6T/+yxuQw0qHe9OSwFFpQBSk+DWNU2oGOqDlKK3vcmWherl4nrUI6oIotKFkbos2HfrlFqZjGe2d+ZDIt3D5PYq0/tr/FWRRZ1UlMXJJTjXLjPMqXdTyGjT8J77N9toD9oiRrQS3YjNJtORPqF2GgmLJgj4= Received: by 10.140.135.20 with SMTP id i20mr7863127rvd.146.1202413654673; Thu, 07 Feb 2008 11:47:34 -0800 (PST) Received: by 10.141.28.17 with HTTP; Thu, 7 Feb 2008 11:47:34 -0800 (PST) Message-ID: <73b8a7e50802071147l6dca5bcdr9c64c4251e20186b@mail.gmail.com> Date: Thu, 7 Feb 2008 11:47:34 -0800 From: "Eli Scott" To: "Jason Morgan" In-Reply-To: <20080207161959.GF59566@sentinelchicken.net> MIME-Version: 1.0 References: <73b8a7e50802061545r4a1ac458g350eb4a45274ebe9@mail.gmail.com> <20080207010734.5fceb382@gumby.homeunix.com.> <20080207161959.GF59566@sentinelchicken.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-questions@freebsd.org Subject: Re: Desktop Performance Tuning? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Feb 2008 19:47:36 -0000 On Feb 7, 2008 8:19 AM, Jason Morgan < jwm-freebsd-questions@sentinelchicken.net> wrote: > On Thu, Feb 07, 2008 at 01:07:34AM +0000, RW wrote: > > On Wed, 6 Feb 2008 15:45:14 -0800 > > "Eli Scott" wrote: > > > > > I recently installed FreeBSD 7.0 RC-1 on my hobby system, > > >.. > > > performance seems to degrade whenever i'm compiling > > > things (like, performing a buildworld, installing from ports, etc) > > > which manifests itself as considerable lag in standard desktop > > > operations, > > > > I've noticed this too, it always used to be the case that building > > didn't make all that much difference to desktop use, but now it make a > > severe difference. Nice helps, but it only makes the > > problem intermittent. I've tried changing the scheduler to ULE, and > > disabling SMP, but it didn't help. > > > > There have been threads on the stable list about jerky mouse > > performance, which may be part of this, but I have really followed it > > closely. I'm also wondering whether this might be due to some xorg or > > other port change from late 2007 that I only noticed when I started > > doing a lot of rebuilding under 7-stable. > > > > I've also noticed this. I thought it was because I used the -j4 flag > when building world, but I just rebuilt my kernel last night without > -j4 and had some of the same issues. This has been on both SCHED_ULE > and SCHED_4FSB. I am running AMD64. > > ~Jason > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" > RE: Schedulers, i've also used kernels with both schedulers on this machine and have noticed no difference in desktop performance. I remember an article on ONLAMP from a few years ago that talked about tuning the system for desktop use, i'll check it out and see if the tunables that are discussed there make any difference.