Date: Sat, 18 Feb 2006 15:05:52 -0500 From: Kris Kennaway <kris@obsecurity.org> To: "David E. Cross" <crossd@cs.rpi.edu> Cc: freebsd-stable@freebsd.org Subject: Re: high interrupt load under 6.0? Message-ID: <20060218200552.GA16805@xor.obsecurity.org> In-Reply-To: <1140292322.11473.10.camel@honker.internal.dcrosstech.com> References: <1140292322.11473.10.camel@honker.internal.dcrosstech.com>
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--vkogqOf2sHV7VnPd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Sat, Feb 18, 2006 at 07:52:02PM +0000, David E. Cross wrote: > I have a 486DX50 firewall that has been serving me well for a number of > years. I recently upgraded it fro 5.4 to 6.0 and performance plumeted > rather drastically (about 40%). I would like to fix it. What I have > noticed is that even when sitting idle the system spends ~20% of its > time in interrupt. Below I have included dmesg, kernel config, and > vmstat -i information. Try turning HZ=1000 back down to HZ=100. Kris --vkogqOf2sHV7VnPd Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFD934fWry0BWjoQKURAji3AKCRDjDJh8pzrC6ckb7epzSaNrnM7gCdGytK MRUbfTolLiiB8jtmEf1q7j4= =OiQ0 -----END PGP SIGNATURE----- --vkogqOf2sHV7VnPd--
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