From owner-freebsd-performance@FreeBSD.ORG  Tue Oct  3 15:27:54 2006
Return-Path: <owner-freebsd-performance@FreeBSD.ORG>
X-Original-To: performance@freebsd.org
Delivered-To: freebsd-performance@FreeBSD.ORG
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id EB95916A416
	for <performance@freebsd.org>; Tue,  3 Oct 2006 15:27:54 +0000 (UTC)
	(envelope-from nevans@talkpoint.com)
Received: from relay.talkpoint.com (pobox.talkpoint.com [204.141.15.158])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 212FE43D6E
	for <performance@freebsd.org>; Tue,  3 Oct 2006 15:27:47 +0000 (GMT)
	(envelope-from nevans@talkpoint.com)
Received: from ASSP-nospam ([127.0.0.1]) by relay.talkpoint.com with Microsoft
	SMTPSVC(5.0.2195.6713); Tue, 3 Oct 2006 11:27:46 -0400
Received: from 204.141.15.136 ([204.141.15.136] helo=postal.talkpoint.com) by
	ASSP-nospam ; 3 Oct 06 15:27:46 -0000
Received: from pleiades.nextvenue.com ([204.141.15.194]) by
	postal.talkpoint.com with SMTP (Microsoft Exchange Internet
	Mail Service Version 5.5.2653.13)
	id TYVCA6NB; Tue, 3 Oct 2006 11:27:46 -0400
Date: Tue, 3 Oct 2006 11:27:46 -0400
From: Nick Evans <nevans@talkpoint.com>
To: Divacky Roman <xdivac02@stud.fit.vutbr.cz>
Message-ID: <20061003112746.58ce03b3@pleiades.nextvenue.com>
In-Reply-To: <20061003061949.GA65231@stud.fit.vutbr.cz>
References: <3131aa530609290721o267d55bakff4e801ef4000675@mail.gmail.com>
	<451D4630.7040902@rogers.com> <op.tgnermsov366f6@bofh.cs.uni-sb.de>
	<451D4F07.7020108@rogers.com>
	<20061002102806.7addbcdf@pleiades.nextvenue.com>
	<4521227F.6040801@rogers.com>
	<20061002124241.64891173@pleiades.nextvenue.com>
	<20061003061949.GA65231@stud.fit.vutbr.cz>
X-Mailer: Sylpheed-Claws 2.4.0 (GTK+ 2.8.20; i386-portbld-freebsd6.1)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
X-OriginalArrivalTime: 03 Oct 2006 15:27:46.0667 (UTC)
	FILETIME=[7A6DCBB0:01C6E700]
Cc: Mike Jakubik <mikej@rogers.com>, performance@freebsd.org,
	Jan Zacharias <fbsd-performance@graphics.cs.uni-sb.de>
Subject: Re: Samba Performance problem
X-BeenThere: freebsd-performance@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Performance/tuning <freebsd-performance.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-performance>
List-Post: <mailto:freebsd-performance@freebsd.org>
List-Help: <mailto:freebsd-performance-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 03 Oct 2006 15:27:55 -0000

On Tue, 3 Oct 2006 08:19:49 +0200
Divacky Roman <xdivac02@stud.fit.vutbr.cz> wrote:

> On Mon, Oct 02, 2006 at 12:42:41PM -0400, Nick Evans wrote:
> > On Mon, 02 Oct 2006 10:30:23 -0400
> > Mike Jakubik <mikej@rogers.com> wrote:
> > 
> > > Nick Evans wrote:
> > > > Mike Jakubik <mikej@rogers.com> wrote:
> > > >   
> > > >> Quite possibly, just as MySQL has been written with Linux primarily
> > > >> in mind. 
> > > >
> > > > It should be possible to profile smbd and see where the bottleneck
> > > > is, no? Has anyone tried it?
> > > >   
> > > 
> > > 
> > > It should be, but i don't believe anyone has tried yet.
> > > 
> > 
> > Does anyone know how to get gprof to set the gmon.out file with a pid
> > number in the filename? It's kind of hard to get output of the pid that
> > controls a file transfer without it. Everything I've found via Google is
> > not working so far.
> 
> I'd start with plain ktrace and look in the trace to check for 'suspicious
> things'. It might be something trivial like calling gettimeofday() way too
> often as it was with mysql....

Done. I can provide the tracefile if anyone is interested.