Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c87b9c60 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcutorture: Add KVM-based test framework 



This commit adds the test framework that I used to test RCU under KVM.
This consists of a group of scripts and Kconfig fragments.

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
parent dc1ccc48

MAINTAINERS

+6 −0
Original line number Diff line number Diff line
@@ -7033,6 +7033,12 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git 
F:	Documentation/RCU/torture.txt

F:	kernel/rcu/torture.c



RCUTORTURE TEST FRAMEWORK

M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>

S:	Supported

T:	git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git

F:	tools/testing/selftests/rcutorture



RDC R-321X SoC

M:	Florian Fainelli <florian@openwrt.org>

S:	Maintained

tools/testing/selftests/rcutorture/.gitignore

0 → 100644
+6 −0
Original line number Diff line number Diff line 
initrd

linux-2.6

b[0-9]*

rcu-test-image

res

*.swp

tools/testing/selftests/rcutorture/bin/config2frag.sh

0 → 100644
+25 −0
Original line number Diff line number Diff line 
#!/bin/sh

# Usage: sh config2frag.sh < .config > configfrag

#

# Converts the "# CONFIG_XXX is not set" to "CONFIG_XXX=n" so that the

# resulting file becomes a legitimate Kconfig fragment.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#

# Copyright (C) IBM Corporation, 2013

#

# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>



LANG=C sed -e 's/^# CONFIG_\([a-zA-Z0-9_]*\) is not set$/CONFIG_\1=n/'

tools/testing/selftests/rcutorture/bin/configNR_CPUS.sh

0 → 100755
+45 −0
Original line number Diff line number Diff line 
#!/bin/bash

#

# Extract the number of CPUs expected from the specified Kconfig-file

# fragment by checking CONFIG_SMP and CONFIG_NR_CPUS.  If the specified

# file gives no clue, base the number on the number of idle CPUs on

# the system.

#

# Usage: configNR_CPUS.sh config-frag

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#

# Copyright (C) IBM Corporation, 2013

#

# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>



cf=$1

if test ! -r $cf

then

	echo Unreadable config fragment $cf 1>&2

	exit -1

fi

if grep -q '^CONFIG_SMP=n$' $cf

then

	echo 1

	exit 0

fi

if grep -q '^CONFIG_NR_CPUS=' $cf

then

	grep '^CONFIG_NR_CPUS=' $cf | 

		sed -e 's/^CONFIG_NR_CPUS=\([0-9]*\).*$/\1/'

	exit 0

fi

cpus2use.sh

tools/testing/selftests/rcutorture/bin/configcheck.sh

0 → 100755
+54 −0
Original line number Diff line number Diff line 
#!/bin/sh

# Usage: sh configcheck.sh .config .config-template

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

#

# Copyright (C) IBM Corporation, 2011

#

# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>



T=/tmp/abat-chk-config.sh.$$

trap 'rm -rf $T' 0

mkdir $T



cat $1 > $T/.config



cat $2 | sed -e 's/\(.*\)=n/# \1 is not set/' -e 's/^#CHECK#//' |

awk	'

BEGIN	{

		print "if grep -q \"" $0 "\" < '"$T/.config"'";

		print "then";

		print "\t:";

		print "else";

		if ($1 == "#") {

			print "\tif grep -q \"" $2 "\" < '"$T/.config"'";

			print "\tthen";

			print "\t\tif test \"$firsttime\" = \"\""

			print "\t\tthen"

			print "\t\t\tfirsttime=1"

			print "\t\tfi"

			print "\t\techo \":" $2 ": improperly set\"";

			print "\telse";

			print "\t\t:";

			print "\tfi";

		} else {

			print "\tif test \"$firsttime\" = \"\""

			print "\tthen"

			print "\t\tfirsttime=1"

			print "\tfi"

			print "\techo \":" $0 ": improperly set\"";

		}

		print "fi";

	}' | sh