From owner-freebsd-performance@FreeBSD.ORG Fri Jan 28 16:03:18 2011 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 479951065670 for ; Fri, 28 Jan 2011 16:03:18 +0000 (UTC) (envelope-from stefan.lambrev@moneybookers.com) Received: from g1.moneybookers.com (g1.moneybookers.com [217.18.249.148]) by mx1.freebsd.org (Postfix) with ESMTP id 005EC8FC0C for ; Fri, 28 Jan 2011 16:03:17 +0000 (UTC) Received: from g1.moneybookers.com (localhost [127.0.0.1]) by g1.moneybookers.com (Postfix) with ESMTPS id 7AF38272C68; Fri, 28 Jan 2011 17:03:16 +0100 (CET) Received: from jailbay5-inferno.sf.moneybookers.net (jailbay5-inferno.sf.moneybookers.net [10.128.2.69]) by g1.moneybookers.com (Postfix) with ESMTP id B67DE272C51; Fri, 28 Jan 2011 17:03:15 +0100 (CET) Received: from hater.sf.moneybookers.net (hater.sf.moneybookers.net [10.129.23.125]) by jailbay5-inferno.sf.moneybookers.net (Postfix) with ESMTP id 9A08F3612158; Fri, 28 Jan 2011 17:03:15 +0100 (CET) Mime-Version: 1.0 (Apple Message framework v1082) Content-Type: text/plain; charset=us-ascii From: Stefan Lambrev In-Reply-To: <20110128143355.GD18170@zxy.spb.ru> Date: Fri, 28 Jan 2011 18:03:15 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: <22E77EED-6455-4164-9115-BBD359EC8CA6@moneybookers.com> References: <20110128143355.GD18170@zxy.spb.ru> To: Slawa Olhovchenkov X-Mailer: Apple Mail (2.1082) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on g1.sf.moneybookers.net Cc: freebsd-performance@freebsd.org Subject: Re: Interrupt performance X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 28 Jan 2011 16:03:18 -0000 Hi, Do the test with netblast ;) Most perf tools are written badly and for Linux. In our internal test netblast running on freebsd outperform everything = else. P.S. - /usr/src/tools/tools/netrate/netblast - we have tested little = more expensive card - em/igb and bce. On Jan 28, 2011, at 4:33 PM, Slawa Olhovchenkov wrote: > I test network performance and found some strange result -- on the > same hardware Linux more then 10x used CPU resources for interrupt > processing. >=20 > FreeBSD system utilise 70% CPU (32% idle, 59% interrupt, 9% sys) and > network card generate 14K-18K interrupt per second. >=20 > Linux system utilise 20% CPU (80% idle, 13% system, 3% hiq, 4% siq) > and network card generate 56K interrupt per second. >=20 > I used 'netperf -H host -t UDP_STREAM -l 60 -C -c -- -m 8972 -s > 128K -S 128K' for generate network traffic. >=20 > NIC: >=20 > re0: port = 0x4000-0x40ff mem 0xf0100000-0xf01000ff irq 19 at device 4.0 on pci11 > re0: Chip rev. 0x18000000 > re0: MAC rev. 0x00000000 > miibus0: on re0 > rgephy0: PHY 1 on miibus0 >=20 >=20 > CPU: >=20 > CPU: Intel(R) Celeron(R) CPU 420 @ 1.60GHz (1596.05-MHz = K8-class CPU) > Origin =3D "GenuineIntel" Id =3D 0x10661 Family =3D 6 Model =3D 16 > Stepping =3D 1 > = Features=3D0xafebfbff > Features2=3D0xe31d > AMD Features=3D0x20100800 > AMD Features2=3D0x1 > TSC: P-state invariant >=20 > RAM: one DDR2-667 DIMM. >=20 > OS: 8.2-RC2, amd64 >=20 > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to = "freebsd-performance-unsubscribe@freebsd.org" -- Best Wishes, Stefan Lambrev ICQ# 24134177