From owner-freebsd-current@FreeBSD.ORG Sun Sep 18 08:15:09 2005 Return-Path: X-Original-To: current@freebsd.org 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 B2F5616A41F for ; Sun, 18 Sep 2005 08:15:09 +0000 (GMT) (envelope-from lehmann@ans-netz.de) Received: from avocado.salatschuessel.net (avocado.salatschuessel.net [83.136.81.184]) by mx1.FreeBSD.org (Postfix) with ESMTP id CA51F43D45 for ; Sun, 18 Sep 2005 08:15:08 +0000 (GMT) (envelope-from lehmann@ans-netz.de) Received: (qmail 92342 invoked by uid 89); 18 Sep 2005 08:13:41 -0000 Received: from unknown (HELO kartoffel.salatschuessel.net) (83.136.81.185) by avocado.salatschuessel.net with SMTP; 18 Sep 2005 08:13:41 -0000 Date: Sun, 18 Sep 2005 10:15:04 +0200 From: Oliver Lehmann To: joseph.koshy@gmail.com Message-Id: <20050918101504.0ef0c230.lehmann@ans-netz.de> In-Reply-To: <84dead72050917190558e24d2b@mail.gmail.com> References: <20050914194612.15692485.lehmann@ans-netz.de> <84dead7205091500152a7c25d1@mail.gmail.com> <20050915172005.072f4bdf.lehmann@ans-netz.de> <20050915181238.54b16b4b.lehmann@ans-netz.de> <84dead720509160921732e7f96@mail.gmail.com> <20050916184911.38e2739a.lehmann@ans-netz.de> <20050916225219.73b53cd0.lehmann@ans-netz.de> <84dead7205091619435c12b528@mail.gmail.com> <20050917102846.7bf26a56.lehmann@ans-netz.de> <17196.35762.395155.325627@grasshopper.cs.duke.edu> <84dead72050917190558e24d2b@mail.gmail.com> X-Mailer: Sylpheed version 2.0.1 (GTK+ 2.6.10; amd64-portbld-freebsd6.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: gallatin@cs.duke.edu, current@freebsd.org Subject: Re: low(er) disk performance with sched_4bsd then with sched_ule X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Sun, 18 Sep 2005 08:15:09 -0000 Joseph Koshy wrote: > > I don't know the disk codepath very well, but the samples look > > little suspect. > > They do look odd. For one, there are entries for the p4_*_pmc > functions which would never get called on a P-III box. > > Oliver, after you sync'ed up with RELENG_6, did you keep the > sources for pmcstat(8) sync'ed with current? No, I didn't. I now recompiled CURRENT pmcstat, and rerun the tests. I uploaded the new output: http://pofo.de/tmp/gprof.4bsd.3 -- Oliver Lehmann http://www.pofo.de/ http://wishlist.ans-netz.de/