From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from xenotime.net ([72.52.64.118]:45745 "HELO xenotime.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753711Ab0CVDsO (ORCPT ); Sun, 21 Mar 2010 23:48:14 -0400 Received: from chimera.site ([71.245.98.113]) by xenotime.net for ; Sun, 21 Mar 2010 20:48:13 -0700 Message-ID: <4BA6E87D.2030405@xenotime.net> Date: Sun, 21 Mar 2010 20:48:13 -0700 From: Randy Dunlap MIME-Version: 1.0 Subject: Re: Maybe my frequent kernel building could be of some help to the community? And how to build? References: <4B9FD5D1.8040203@example.com> <4B9FDAF3.9010804@xenotime.net> <20100318084012.0cca4b6a.rdunlap@xenotime.net> <4BA6E49F.3070008@example.com> In-Reply-To: <4BA6E49F.3070008@example.com> Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 7bit Sender: linux-kbuild-owner@vger.kernel.org List-ID: To: piotr@hosowicz.com Cc: linux-kbuild@vger.kernel.org On 03/21/10 20:31, Piotr Hosowicz wrote: > Randy Dunlap wrote: > >> One thing that you could do that no one focuses on is building >> with some kconfig symbols disabled (ones that are typically enabled), >> such as CONFIG_SMP=n, CONFIG_SYSFS=n, CONFIG_PROC_FS=n, CONFIG_PM=n, >> CONFIG_PCI=n, CONFIG_BLOCK=n, CONFIG_NET=n, CONFIG_INET=n (but latter >> with CONFIG_NET=y), CONFIG_HOTPLUG=n. Not all of these at the same time, >> just various/random combinations of them. > > I am glad I can help. At last I sat down to write the scripts, I was so > excited I couldn't fall asleep ;-). I figured it out in such a way: > > - separate system user for building > - in his crontab everyminute a build try starts with randomized options > you mentioned - this works, I hope > > The problem is that it requires my assistance, because it asks a few > questions like in make oldconfig when there are new options available. I > do not know how to fix this. > > Here are the scripts: > > # randomize-conf.sh > > #!/bin/bash > > NETENABLED=0 > function enable_or_not(){ > if test $RANDOM -lt 16383 ; then > if test $1=CONFIG_NET ; then > NETENABLED=1 > echo $1=y > return > fi > if test $1=CONFIG_INET && test $NETENABLED -eq 1 ; then > if test $RANDOM -lt 16383 ; then > echo $1=y > else > echo '# CONFIG_'$1' is not set' > fi > return > fi > else > echo '# CONFIG_'$1' is not set' > fi > } > > while read LINE ; do > FIRST=$(echo $LINE | cut -d '=' -f 1) > case $FIRST in > CONFIG_SMP) > enable_or_not CONFIG_SMP > ;; > CONFIG_SYSFS) > enable_or_not CONFIG_SYSFS > ;; > CONFIG_PROC_FS) > enable_or_not CONFIG_PROC_FS > ;; > CONFIG_PM) > enable_or_not CONFIG_PM > ;; > CONFIG_PCI) > enable_or_not CONFIG_PCI > ;; > CONFIG_BLOCK) > enable_or_not CONFIG_BLOCK > ;; > CONFIG_NET) > enable_or_not CONFIG_NET > ;; > CONFIG_INET) > enable_or_not CONFIG_INET > ;; > CONFIG_HOTPLUG) > enable_or_not CONFIG_HOTPLUG > ;; > *) > echo $LINE > esac > done > > # try-build.sh > > #!/bin/bash > > RCPT=phz@localhost > > function tidy(){ > rm ../results/.config 2>/dev/null > rm ../results/build.log 2>/dev/null > rm ../BUILDING-NOW 2>/dev/null > } > > cd ~/kernel/linux > if test -f ../BUILDING-NOW ; then > exit 0 > else > touch ../BUILDING-NOW > make mrproper > cat ../config.all | ../randomize-conf.sh > ./.config > make prepare Hm, I'm not even familiar with "make prepare". Instead at this point I use "make oldconfig", and to help it along with answers (non-interactive answers, that is), use 'yes', like: yes '' | make oldconfig I think that this will fix what you described... > cp .config ../results/ > make -j 10 2>&1 > ../results/build.log > if test $? -ne 0 ; then > (cat ../results/.config && cat ../results/build.log) | mail -s > 'Build failed at kernel phase' $RCPT > mv ../results/.config ../results/.config.kf.$(date +%y%m%d-%H%M%S) > tidy > exit 0 > fi > make -j 10 modules 2>&1 >> ../results/build.log > if test $? -ne 0 ; then > (cat ../results/.config && cat ../results/build.log) | mail -s > 'Build failed at modules phase' $RCPT > mv ../results/.config ../results/.config.mf.$(date +%y%m%d-%H%M%S) > tidy > exit 0 > fi > echo OK | mail -s 'ok' $RCPT > tidy > fi -- ~Randy