Date: Mon, 17 Mar 2008 19:44:12 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-performance@freebsd.org Subject: Re: V7 High CPU Usage on swi5:+, what is this process? Message-ID: <frme5v$j29$1@ger.gmane.org> In-Reply-To: <47de32b3.1bbc720a.7cf0.ffff8ff1@mx.google.com> References: <20080210120013.4C3D116A421@hub.freebsd.org> <47de32b3.1bbc720a.7cf0.ffff8ff1@mx.google.com>
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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--
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