From owner-freebsd-current@FreeBSD.ORG Fri Dec 19 07:47:36 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CB9E016A4CE for ; Fri, 19 Dec 2003 07:47:36 -0800 (PST) Received: from mail.chesapeake.net (chesapeake.net [208.142.252.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id B466C43D36 for ; Fri, 19 Dec 2003 07:47:29 -0800 (PST) (envelope-from jroberson@chesapeake.net) Received: from localhost (jroberson@localhost) by mail.chesapeake.net (8.11.6/8.11.6) with ESMTP id hBJFlLT27236; Fri, 19 Dec 2003 10:47:21 -0500 (EST) (envelope-from jroberson@chesapeake.net) Date: Fri, 19 Dec 2003 10:47:21 -0500 (EST) From: Jeff Roberson To: Eric Anderson In-Reply-To: <3FE313DD.1080206@centtech.com> Message-ID: <20031219104642.U36463-100000@mail.chesapeake.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: current@freebsd.org Subject: Re: ULE Interactivity perf patch X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Dec 2003 15:47:36 -0000 On Fri, 19 Dec 2003, Eric Anderson wrote: > Jeff Roberson wrote: > > >I realized a pitfal in the way that I'm doing slice assignment for > >interactive tasks. I'd like to have as many people test this as possible, > >in case there are unintended consequences. What this patch does is allow > >interactive tasks to have longer time-slices so that they may be more > >efficient. > > > >This patch is intended to fix the poor performance of some interactive > >processes while under high load, especially high load with other > >interactive tasks present. > > > > > No need to rebuild world, right? Just kernel? > Yep, just kernel. Make sure you have options SCHED_ULE. Cheers, Jeff > Eric > > -- > ------------------------------------------------------------------ > Eric Anderson Systems Administrator Centaur Technology > All generalizations are false, including this one. > ------------------------------------------------------------------ > >