From owner-freebsd-performance@FreeBSD.ORG Mon Mar 17 18:44:31 2008 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 949D71065670 for ; Mon, 17 Mar 2008 18:44:31 +0000 (UTC) (envelope-from gofp-freebsd-performance@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id 4D0E28FC1D for ; Mon, 17 Mar 2008 18:44:31 +0000 (UTC) (envelope-from gofp-freebsd-performance@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1JbKJv-00070t-TQ for freebsd-performance@freebsd.org; Mon, 17 Mar 2008 18:44:27 +0000 Received: from 89-172-59-221.adsl.net.t-com.hr ([89.172.59.221]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 17 Mar 2008 18:44:27 +0000 Received: from ivoras by 89-172-59-221.adsl.net.t-com.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 17 Mar 2008 18:44:27 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-performance@freebsd.org From: Ivan Voras Date: Mon, 17 Mar 2008 19:44:12 +0100 Lines: 40 Message-ID: References: <20080210120013.4C3D116A421@hub.freebsd.org> <47de32b3.1bbc720a.7cf0.ffff8ff1@mx.google.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig1D5BAE7BF2643B2161389CA9" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 89-172-59-221.adsl.net.t-com.hr User-Agent: Thunderbird 2.0.0.12 (Windows/20080213) In-Reply-To: <47de32b3.1bbc720a.7cf0.ffff8ff1@mx.google.com> X-Enigmail-Version: 0.95.6 Sender: news Subject: Re: V7 High CPU Usage on swi5:+, what is this process? 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: Mon, 17 Mar 2008 18:44:31 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig1D5BAE7BF2643B2161389CA9 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Aminuddin Abdullah wrote: > I have just upgraded 5 of my machines to V7 from 6.3 and then realized = that > all the machines has a high CPU usage. Almost all of them using 80%-90%= CPU > with more than 8000 connections. Using previous 6.3, it only uses 40-50= % CPU > with the same kind of connections. >=20 > Using top -S, I can see that swi5: +, PID 17 process is using 30% of CP= U > time. What is this process? =20 "swi" stands for "software interrupt", but to find out which one you'll=20 need to give more information about the systems. What are they running?=20 Any routing, firewall? Check with "vmstat -ia" to see if you have an=20 interrupt storm. --------------enig1D5BAE7BF2643B2161389CA9 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD4DBQFH3rv8ldnAQVacBcgRAscSAKDr2ydwD2wrBttA6y+WHhjTSlQVmACYoj2z 9U/VpLgvhs1Hb+N8RbSLpg== =6SzW -----END PGP SIGNATURE----- --------------enig1D5BAE7BF2643B2161389CA9--