From owner-freebsd-hackers@FreeBSD.ORG Mon Nov 17 21:25:04 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 950881065742 for ; Mon, 17 Nov 2008 21:25:04 +0000 (UTC) (envelope-from freebsd-hackers@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id 16F278FC0A for ; Mon, 17 Nov 2008 21:25:04 +0000 (UTC) (envelope-from freebsd-hackers@m.gmane.org) Received: from root by ciao.gmane.org with local (Exim 4.43) id 1L2Bah-0007AH-28 for freebsd-hackers@freebsd.org; Mon, 17 Nov 2008 21:25:03 +0000 Received: from 93-138-105-237.adsl.net.t-com.hr ([93.138.105.237]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 17 Nov 2008 21:25:03 +0000 Received: from ivoras by 93-138-105-237.adsl.net.t-com.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 17 Nov 2008 21:25:03 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-hackers@freebsd.org From: Ivan Voras Date: Mon, 17 Nov 2008 22:21:04 +0100 Lines: 63 Message-ID: References: <245613.95922.qm@web45809.mail.sp1.yahoo.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig9BF5AB28FF0506B8B20112D3" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 93-138-105-237.adsl.net.t-com.hr User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) In-Reply-To: <245613.95922.qm@web45809.mail.sp1.yahoo.com> X-Enigmail-Version: 0.95.7 Sender: news Subject: Re: NET.ISR and CPU utilization performance w/ HP DL 585 using FreeBSD 7.1 Beta2 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Nov 2008 21:25:04 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig9BF5AB28FF0506B8B20112D3 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Won De Erick wrote: > I compiled the following em driver for Intel NIC Pro (82571) w/ FreeBSD= 7.1 Beta 2 on HPDL 585 machine having 16CPUs. >=20 > http://people.yandex-team.ru/~wawa/ >=20 > With net.isr.direct=3D1, I made some changes on kthreads(default=3D2) f= or em0 and em1's rx. >=20 > dev.em.0.rx_kthreads: 6 > .... > dev.em.1.rx_kthreads: 6 >=20 > With these settings, the result is: >=20 > CPU: 0.0% user, 0.0% nice, 57.2% system, 3.6% interrupt, 39.2% idle > Mem: 17M Active, 7228K Inact, 156M Wired, 76K Cache, 21M Buf, 31G Free > Swap: 4096M Total, 4096M Free >=20 > PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMA= ND > 52 root 1 43 - 0K 16K CPU12 c 41:38 100.00% em0_= rx_kthread_1 > 51 root 1 43 - 0K 16K CPU3 3 41:38 100.00% em0_= rx_kthread_0 > 54 root 1 -68 - 0K 16K CPU2 2 39:39 100.00% em1_= txcleaner > 1283 root 1 43 - 0K 16K CPU1 1 38:55 100.00% em0_= rx_kthread_3 > 1282 root 1 43 - 0K 16K CPU10 a 38:55 100.00% em0_= rx_kthread_2 > 1344 root 1 43 - 0K 16K CPU9 9 25:51 100.00% em0_= rx_kthread_5 > 1343 root 1 43 - 0K 16K CPU4 4 25:51 100.00% em0_= rx_kthread_4 > 12 root 1 171 ki31 0K 16K CPU14 e 44:28 91.70% idle:= cpu14 This is very interesting. Do you see real performance (network throughput) increase? --------------enig9BF5AB28FF0506B8B20112D3 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkkh4EAACgkQldnAQVacBcjqYwCeNzzW4z8+q90S5Sfa4eJBLGkY DwEAnRragJk7hbt9XffwFfxjQtvBBerv =PBXc -----END PGP SIGNATURE----- --------------enig9BF5AB28FF0506B8B20112D3--