From owner-freebsd-performance@FreeBSD.ORG  Tue Jul  9 19:56:15 2013
Return-Path: <owner-freebsd-performance@FreeBSD.ORG>
Delivered-To: freebsd-performance@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 by hub.freebsd.org (Postfix) with ESMTP id 0B115D53;
 Tue,  9 Jul 2013 19:56:15 +0000 (UTC)
 (envelope-from adrian.chadd@gmail.com)
Received: from mail-qc0-x22e.google.com (mail-qc0-x22e.google.com
 [IPv6:2607:f8b0:400d:c01::22e])
 by mx1.freebsd.org (Postfix) with ESMTP id B3EE618D9;
 Tue,  9 Jul 2013 19:56:14 +0000 (UTC)
Received: by mail-qc0-f174.google.com with SMTP id m15so3201414qcq.19
 for <multiple recipients>; Tue, 09 Jul 2013 12:56:14 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=mime-version:sender:in-reply-to:references:date
 :x-google-sender-auth:message-id:subject:from:to:cc:content-type;
 bh=c0dtvV1zVsJHrf5Eq+ztvAsJ/fvwwsAm/fG8VLR2jNE=;
 b=fm0kgMA3wvU37viWyKN4hkzYuRGv/TbRqi31Gfi6msACNYCmBUEZCCanmO/RZSmQnt
 JURW9likGpmiponKZYAQU7QGwYRotmSfcrwqJcwV/P8w+iVU5hxSWbTTv9IP/ZEkmY13
 3dcVKV2KikKGMugaPM0squumS3hbEkSndy11UGmP7LH4mojUjH9JKjSGERg9bGZC6/v/
 qycLNZ3qDQcfVyErk3p2KMzFDfiB38Dff3w+i3aSNXdrlJAzANSX4QIBmqCXvL1ZFDyT
 wsUYi42bjYO7I9THwCZ4ON8OOYDWARb2GFBvLy6FnB/CNhfZ0eY45ueptLwUo2T/hyY1
 WW4g==
MIME-Version: 1.0
X-Received: by 10.49.117.195 with SMTP id kg3mr22346320qeb.68.1373399774204;
 Tue, 09 Jul 2013 12:56:14 -0700 (PDT)
Sender: adrian.chadd@gmail.com
Received: by 10.224.195.72 with HTTP; Tue, 9 Jul 2013 12:56:14 -0700 (PDT)
In-Reply-To: <1783952055.20130709231233@serebryakov.spb.ru>
References: <866737084.20130707233704@serebryakov.spb.ru>
 <1885849141.20130708010224@serebryakov.spb.ru>
 <987136020.20130709201026@serebryakov.spb.ru>
 <CAMXt9NY_AsMB0m+kp4t+VU3yo67Tu7eovJRGUox65rPpZoeg0Q@mail.gmail.com>
 <1783952055.20130709231233@serebryakov.spb.ru>
Date: Tue, 9 Jul 2013 12:56:14 -0700
X-Google-Sender-Auth: YUesHN0SLhim452inlinLDluOQY
Message-ID: <CAJ-VmoknkpQsxFHeMoywVPRh2adXXeXqAiNMHREdZNEit+1UOw@mail.gmail.com>
Subject: Re: Samba server performance -- only 33MiB/s with one client on 1G
 network!
From: Adrian Chadd <adrian@freebsd.org>
To: Lev Serebryakov <lev@freebsd.org>
Content-Type: text/plain; charset=ISO-8859-1
Cc: Mark Saad <nonesuch@longcount.org>, freebsd-performance@freebsd.org
X-BeenThere: freebsd-performance@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Performance/tuning <freebsd-performance.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/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, 09 Jul 2013 19:56:15 -0000

Wait a sec - your system is spending most of its time in poll() ?

Have you run hwpmc to see if it's actually spinning in poll(), or if
its just doing a lot of poll calls that are very short-lived?



-adrian