From owner-cvs-all@FreeBSD.ORG Fri Oct 26 20:46:28 2007 Return-Path: Delivered-To: cvs-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 08F1A16A49E; Fri, 26 Oct 2007 20:46:28 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.freebsd.org (Postfix) with ESMTP id 7E98013C4A5; Fri, 26 Oct 2007 20:46:26 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 3A05646181; Fri, 26 Oct 2007 22:46:24 +0200 (CEST) Received: from localhost (154.81.datacomsa.pl [195.34.81.154]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id C715C45F5C; Fri, 26 Oct 2007 22:46:18 +0200 (CEST) Date: Fri, 26 Oct 2007 22:45:53 +0200 From: Pawel Jakub Dawidek To: Alexey Dokuchaev Message-ID: <20071026204553.GA4241@garage.freebsd.pl> References: <200710260655.l9Q6t0UW080765@repoman.freebsd.org> <20071026155703.GC7312@FreeBSD.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="cNdxnHkX5QqsyA0e" Content-Disposition: inline In-Reply-To: <20071026155703.GC7312@FreeBSD.org> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=BAYES_00 autolearn=ham version=3.0.4 Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/geom geom_io.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Oct 2007 20:46:28 -0000 --cNdxnHkX5QqsyA0e Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Oct 26, 2007 at 03:57:03PM +0000, Alexey Dokuchaev wrote: > On Fri, Oct 26, 2007 at 06:55:00AM +0000, Pawel Jakub Dawidek wrote: > > pjd 2007-10-26 06:55:00 UTC > >=20 > > FreeBSD src repository > >=20 > > Modified files: > > sys/geom geom_io.c=20 > > Log: > > Save stack only when KTR_GEOM is both compiled into the kernel and en= abled > > in debug.ktr.mask. Because saving stack is very expensive, it's bette= r only > > to do it when one really wants to. >=20 > Do you by chance have benchmark results? I'd like to know what impact > does it cause, unless I'm asking too much. :-) It can make your system to crawl when you do a lot of I/Os. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --cNdxnHkX5QqsyA0e Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFHIlIBForvXbEpPzQRAlteAKDHoxF3+Jvf4oLkLxM3x9bAvJbH6wCfdeGv 7PPHMdWXOk6cJokAgTU91qs= =4M2c -----END PGP SIGNATURE----- --cNdxnHkX5QqsyA0e--