From owner-svn-src-all@FreeBSD.ORG Thu Dec 4 02:28:23 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4A42A64D; Thu, 4 Dec 2014 02:28:23 +0000 (UTC) Received: from mail-ig0-x22b.google.com (mail-ig0-x22b.google.com [IPv6:2607:f8b0:4001:c05::22b]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0F1E52F2; Thu, 4 Dec 2014 02:28:23 +0000 (UTC) Received: by mail-ig0-f171.google.com with SMTP id z20so13906676igj.16 for ; Wed, 03 Dec 2014 18:28:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=/wIxq63YgSJ/7wzt/8lw27fCEElkH1Gc9QEiGnJEamA=; b=vAqB1mn2NVXzC2bWTsO1gkfSjAWIiwiY3umwM3ME91WoKQeYxhya4AVqHG0JW0uzQB 1xEmEzLAr12eYdGV2YpYOs6QKTxOtpfO00l6x1T0dSS0/xasEKRPmz0MyP5HMDquGtqH PBjpgZtU6MRTGRjO/VdQvpJ+RZ5Zs91nJK06OlHwsENQMqiF+cutWq5SqY9zaDNHORea uoLEm5qaicw8rTjjw68SK/4JJcgUzPyWCKCzZ7rxCvkr3dtVHGiW2jryD0WMonKEVB5F o9SAdU7n7oYyUd7+ILeC6GYSUTttA46Bw+S9hcbaXi/8ihk3pdTZn7KxqrqVlnnPKOWm vIrg== MIME-Version: 1.0 X-Received: by 10.43.181.69 with SMTP id ph5mr9601270icc.83.1417660102321; Wed, 03 Dec 2014 18:28:22 -0800 (PST) Received: by 10.107.10.31 with HTTP; Wed, 3 Dec 2014 18:28:22 -0800 (PST) In-Reply-To: <201412021955.sB2JtiXL009756@svn.freebsd.org> References: <201412021955.sB2JtiXL009756@svn.freebsd.org> Date: Wed, 3 Dec 2014 21:28:22 -0500 Message-ID: Subject: Re: svn commit: r275422 - in head/sys: amd64/conf i386/conf pc98/conf powerpc/conf sparc64/conf From: Ryan Stone To: "George V. Neville-Neil" Content-Type: text/plain; charset=UTF-8 Cc: "svn-src-head@freebsd.org" , "svn-src-all@freebsd.org" , "src-committers@freebsd.org" X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Dec 2014 02:28:23 -0000 Why is DEADLKRES also excluded? It was designed to be safe to run in production without a noticeable perf hit. On Tue, Dec 2, 2014 at 2:55 PM, George V. Neville-Neil wrote: > Author: gnn > Date: Tue Dec 2 19:55:43 2014 > New Revision: 275422 > URL: https://svnweb.freebsd.org/changeset/base/275422 > > Log: > This configuration file removes several debugging options, including > WITNESS and INVARIANTS checking, which are known to have significant > performance impact on running systems. When benchmarking new features > this kernel should be used instead of the standard GENERIC. > This kernel configuration should never appear outside of the HEAD > of the FreeBSD tree. > > Added: > head/sys/amd64/conf/GENERIC-NODEBUG (contents, props changed) > head/sys/i386/conf/GENERIC-NODEBUG (contents, props changed) > head/sys/pc98/conf/GENERIC-NODEBUG (contents, props changed) > head/sys/powerpc/conf/GENERIC-NODEBUG (contents, props changed) > head/sys/sparc64/conf/GENERIC-NODEBUG (contents, props changed) > > Added: head/sys/amd64/conf/GENERIC-NODEBUG > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ head/sys/amd64/conf/GENERIC-NODEBUG Tue Dec 2 19:55:43 2014 (r275422) > @@ -0,0 +1,38 @@ > +# > +# GENERIC-NODEBUG -- WITNESS and INVARIANTS free kernel configuration file > +# for FreeBSD/amd64 > +# > +# This configuration file removes several debugging options, including > +# WITNESS and INVARIANTS checking, which are known to have significant > +# performance impact on running systems. When benchmarking new features > +# this kernel should be used instead of the standard GENERIC. > +# This kernel configuration should never appear outside of the HEAD > +# of the FreeBSD tree. > +# > +# For more information on this file, please read the config(5) manual page, > +# and/or the handbook section on Kernel Configuration Files: > +# > +# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html > +# > +# The handbook is also available locally in /usr/share/doc/handbook > +# if you've installed the doc distribution, otherwise always see the > +# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the > +# latest information. > +# > +# An exhaustive list of options and more detailed explanations of the > +# device lines is also present in the ../../conf/NOTES and NOTES files. > +# If you are in doubt as to the purpose or necessity of a line, check first > +# in NOTES. > +# > +# $FreeBSD$ > + > +include GENERIC > + > +ident GENERIC-NODEBUG > + > +nooptions INVARIANTS > +nooptions INVARIANT_SUPPORT > +nooptions WITNESS > +nooptions WITNESS_SKIPSPIN > +nooptions DEADLKRES > + > > Added: head/sys/i386/conf/GENERIC-NODEBUG > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ head/sys/i386/conf/GENERIC-NODEBUG Tue Dec 2 19:55:43 2014 (r275422) > @@ -0,0 +1,38 @@ > +# > +# GENERIC-NODEBUG -- WITNESS and INVARIANTS free kernel configuration file > +# for FreeBSD/i386 > +# > +# This configuration file removes several debugging options, including > +# WITNESS and INVARIANTS checking, which are known to have significant > +# performance impact on running systems. When benchmarking new features > +# this kernel should be used instead of the standard GENERIC. > +# This kernel configuration should never appear outside of the HEAD > +# of the FreeBSD tree. > +# > +# For more information on this file, please read the config(5) manual page, > +# and/or the handbook section on Kernel Configuration Files: > +# > +# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html > +# > +# The handbook is also available locally in /usr/share/doc/handbook > +# if you've installed the doc distribution, otherwise always see the > +# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the > +# latest information. > +# > +# An exhaustive list of options and more detailed explanations of the > +# device lines is also present in the ../../conf/NOTES and NOTES files. > +# If you are in doubt as to the purpose or necessity of a line, check first > +# in NOTES. > +# > +# $FreeBSD$ > + > +include GENERIC > + > +ident GENERIC-NODEBUG > + > +nooptions INVARIANTS > +nooptions INVARIANT_SUPPORT > +nooptions WITNESS > +nooptions WITNESS_SKIPSPIN > +nooptions DEADLKRES > + > > Added: head/sys/pc98/conf/GENERIC-NODEBUG > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ head/sys/pc98/conf/GENERIC-NODEBUG Tue Dec 2 19:55:43 2014 (r275422) > @@ -0,0 +1,38 @@ > +# > +# GENERIC-NODEBUG -- WITNESS and INVARIANTS free kernel configuration file > +# for FreeBSD/pc98 > +# > +# This configuration file removes several debugging options, including > +# WITNESS and INVARIANTS checking, which are known to have significant > +# performance impact on running systems. When benchmarking new features > +# this kernel should be used instead of the standard GENERIC. > +# This kernel configuration should never appear outside of the HEAD > +# of the FreeBSD tree. > +# > +# For more information on this file, please read the config(5) manual page, > +# and/or the handbook section on Kernel Configuration Files: > +# > +# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html > +# > +# The handbook is also available locally in /usr/share/doc/handbook > +# if you've installed the doc distribution, otherwise always see the > +# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the > +# latest information. > +# > +# An exhaustive list of options and more detailed explanations of the > +# device lines is also present in the ../../conf/NOTES and NOTES files. > +# If you are in doubt as to the purpose or necessity of a line, check first > +# in NOTES. > +# > +# $FreeBSD$ > + > +include GENERIC > + > +ident GENERIC-NODEBUG > + > +nooptions INVARIANTS > +nooptions INVARIANT_SUPPORT > +nooptions WITNESS > +nooptions WITNESS_SKIPSPIN > +nooptions DEADLKRES > + > > Added: head/sys/powerpc/conf/GENERIC-NODEBUG > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ head/sys/powerpc/conf/GENERIC-NODEBUG Tue Dec 2 19:55:43 2014 (r275422) > @@ -0,0 +1,38 @@ > +# > +# GENERIC-NODEBUG -- WITNESS and INVARIANTS free kernel configuration file > +# for FreeBSD/powerpc > +# > +# This configuration file removes several debugging options, including > +# WITNESS and INVARIANTS checking, which are known to have significant > +# performance impact on running systems. When benchmarking new features > +# this kernel should be used instead of the standard GENERIC. > +# This kernel configuration should never appear outside of the HEAD > +# of the FreeBSD tree. > +# > +# For more information on this file, please read the config(5) manual page, > +# and/or the handbook section on Kernel Configuration Files: > +# > +# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html > +# > +# The handbook is also available locally in /usr/share/doc/handbook > +# if you've installed the doc distribution, otherwise always see the > +# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the > +# latest information. > +# > +# An exhaustive list of options and more detailed explanations of the > +# device lines is also present in the ../../conf/NOTES and NOTES files. > +# If you are in doubt as to the purpose or necessity of a line, check first > +# in NOTES. > +# > +# $FreeBSD$ > + > +include GENERIC > + > +ident GENERIC-NODEBUG > + > +nooptions INVARIANTS > +nooptions INVARIANT_SUPPORT > +nooptions WITNESS > +nooptions WITNESS_SKIPSPIN > +nooptions DEADLKRES > + > > Added: head/sys/sparc64/conf/GENERIC-NODEBUG > ============================================================================== > --- /dev/null 00:00:00 1970 (empty, because file is newly added) > +++ head/sys/sparc64/conf/GENERIC-NODEBUG Tue Dec 2 19:55:43 2014 (r275422) > @@ -0,0 +1,38 @@ > +# > +# GENERIC-NODEBUG -- WITNESS and INVARIANTS free kernel configuration file > +# for FreeBSD/sparc64 > +# > +# This configuration file removes several debugging options, including > +# WITNESS and INVARIANTS checking, which are known to have significant > +# performance impact on running systems. When benchmarking new features > +# this kernel should be used instead of the standard GENERIC. > +# This kernel configuration should never appear outside of the HEAD > +# of the FreeBSD tree. > +# > +# For more information on this file, please read the config(5) manual page, > +# and/or the handbook section on Kernel Configuration Files: > +# > +# http://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html > +# > +# The handbook is also available locally in /usr/share/doc/handbook > +# if you've installed the doc distribution, otherwise always see the > +# FreeBSD World Wide Web server (http://www.FreeBSD.org/) for the > +# latest information. > +# > +# An exhaustive list of options and more detailed explanations of the > +# device lines is also present in the ../../conf/NOTES and NOTES files. > +# If you are in doubt as to the purpose or necessity of a line, check first > +# in NOTES. > +# > +# $FreeBSD$ > + > +include GENERIC > + > +ident GENERIC-NODEBUG > + > +nooptions INVARIANTS > +nooptions INVARIANT_SUPPORT > +nooptions WITNESS > +nooptions WITNESS_SKIPSPIN > +nooptions DEADLKRES > + >