Date: Tue, 24 May 2005 20:55:15 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Matthias Buelow <mkb@incubus.de> Cc: freebsd-stable@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: Performance of 4.x vs 5.x (Re: Lifetime of FreeBSD branches) Message-ID: <20050525035515.GB43824@xor.obsecurity.org> In-Reply-To: <4293F4D9.90204@incubus.de> References: <20050523211307.GA36552@xor.obsecurity.org> <42924949.1070902@incubus.de> <200505242141.38289.max@love2party.net> <42938C2E.6020301@incubus.de> <20050524201942.GA28257@xor.obsecurity.org> <42938D40.1050502@incubus.de> <20050524202647.GA28322@xor.obsecurity.org> <4293A18F.6080200@incubus.de> <20050524221454.GA56421@xor.obsecurity.org> <4293F4D9.90204@incubus.de>
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--O5XBE6gyVG5Rl6Rj Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, May 25, 2005 at 05:45:29AM +0200, Matthias Buelow wrote: Once you remove the debugging options.. > uhci3: [GIANT-LOCKED] > pcm0: [GIANT-LOCKED] > interrupt total rate > irq1: atkbd0 1856 1 > irq13: npx0 1 0 > irq14: ata0 94 0 > irq17: wi0 506 0 > irq20: fxp0 atapci1 73527 72 > irq21: uhci0 ehci0 1 0 > irq22: uhci1 4876 4 > irq23: pcm0 uhci3 1008 0 pcm0 and uhci3 share an interrupt on your system, and both are under Giant, so they'll fight over it when one receives an interrupt, and nothing else can run in the kernel when that is happening. Do you need USB support? If not, get rid of it. Kris --O5XBE6gyVG5Rl6Rj Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQFCk/cjWry0BWjoQKURAg19AJ9MHM8JBiAI/1mkW8x7DSuvZnGQFQCdEnTK zHt4ygZmI13kcu/lgtOZwyU= =ca0b -----END PGP SIGNATURE----- --O5XBE6gyVG5Rl6Rj--
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