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rcutorture: Add per-version default Kconfig fragments and module parameters

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Different Kconfig parameters apply to different kernel versions, as
do different rcutorture module parameters.  This commit allows the
rcutorture test scripts to adjust for different kernel versions.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
This commit is contained in:
Paul E. McKenney 2013-09-29 11:13:46 -07:00
parent bb918535a1
commit 4275be83b8
13 changed files with 242 additions and 32 deletions
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7
tools/testing/selftests/rcutorture/bin/functions.sh
View File

@ -32,11 +32,10 @@ bootparam_hotplug_cpu () {
#
# Returns 1 if the config fragment specifies hotplug CPU.
configfrag_hotplug_cpu () {
cf=$1
if test ! -r $cf
if test ! -r "$1"
then
echo Unreadable config fragment $cf 1>&2
echo Unreadable config fragment "$1" 1>&2
exit -1
fi
grep -q '^CONFIG_HOTPLUG_CPU=y$' $cf
grep -q '^CONFIG_HOTPLUG_CPU=y$' "$1"
}

12
tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh
View File

@ -44,6 +44,7 @@ T=/tmp/kvm-test-1-rcu.sh.$$
trap 'rm -rf $T' 0
. $KVM/bin/functions.sh
. $KVPATH/ver_functions.sh
config_template=${1}
title=`echo $config_template | sed -e 's/^.*\///'`
@ -133,14 +134,9 @@ else
fi
# Generate CPU-hotplug boot parameters
if ! bootparam_hotplug_cpu "$bootargs"
then
if configfrag_hotplug_cpu $builddir/.config
then
echo Kernel configured for CPU hotplug, adding rcutorture.
bootargs="$bootargs rcutorture.onoff_interval=3 rcutorture.onoff_holdoff=30"
fi
fi
boot_args="`rcutorture_param_onoff "$boot_args" $builddir/.config`"
# Generate rcu_barrier() boot parameter
boot_args="`rcutorture_param_n_barrier_cbs "$boot_args"`"
echo $QEMU -name rcu-test -serial file:$builddir/console.log $qemu_args -m 512 -kernel $builddir/arch/x86/boot/bzImage -append \"noapic selinux=0 console=ttyS0 initcall_debug debug rcutorture.stat_interval=15 rcutorture.shutdown_secs=$seconds rcutorture.rcutorture_runnable=1 $boot_args\" > $resdir/qemu-cmd
$QEMU -name rcu-test -serial file:$builddir/console.log $qemu_args -m 512 -kernel $builddir/arch/x86/boot/bzImage -append "noapic selinux=0 console=ttyS0 initcall_debug debug rcutorture.stat_interval=15 rcutorture.shutdown_secs=$seconds rcutorture.rcutorture_runnable=1 $boot_args" &

26
tools/testing/selftests/rcutorture/bin/kvm.sh
View File

@ -33,23 +33,7 @@ dur=30
KVM=`pwd`/tools/testing/selftests/rcutorture; export KVM
builddir=${KVM}/b1
resdir=""
configs=" sysidleY.2013.06.19a \
sysidleN.2013.06.19a \
P1-S-T-NH-SD-SMP-HP \
P2-2-t-nh-sd-SMP-hp \
P3-3-T-nh-SD-SMP-hp \
P4-A-t-NH-sd-SMP-HP \
P5-U-T-NH-sd-SMP-hp \
P6---t-nh-SD-smp-hp \
N1-S-T-NH-SD-SMP-HP \
N2-2-t-nh-sd-SMP-hp \
N3-3-T-nh-SD-SMP-hp \
N4-A-t-NH-sd-SMP-HP \
N5-U-T-NH-sd-SMP-hp \
PT1-nh \
PT2-NH \
NT1-nh \
NT3-NH"
configs=""
ds=`date +%Y.%m.%d-%H:%M:%S`
kversion=""
@ -156,6 +140,12 @@ echo "resdir=$resdir"
PATH=${KVM}/bin:$PATH; export PATH
CONFIGFRAG=${KVM}/configs; export CONFIGFRAG
KVPATH=${CONFIGFRAG}/$kversion; export KVPATH
if test -z "$configs"
then
configs="`cat $CONFIGFRAG/$kversion/CFLIST`"
fi
if test -z "$resdir"
then
@ -181,6 +171,6 @@ do
rd=$resdir/$ds/$CF
mkdir $rd || :
echo Results directory: $rd
kvm-test-1-rcu.sh $CONFIGFRAG/$kversion/$CF $builddir $rd $dur "-nographic" "rcutorture.test_no_idle_hz=1 rcutorture.n_barrier_cbs=4 rcutorture.verbose=1"
kvm-test-1-rcu.sh $CONFIGFRAG/$kversion/$CF $builddir $rd $dur "-nographic" "rcutorture.test_no_idle_hz=1 rcutorture.verbose=1"
done
# Tracing: trace_event=rcu:rcu_nocb_grace_period,rcu:rcu_grace_period,rcu:rcu_grace_period_init,rcu:rcu_quiescent_state_report,rcu:rcu_fqs,rcu:rcu_callback,rcu:rcu_torture_read,rcu:rcu_invoke_callback,rcu:rcu_fqs,rcu:rcu_dyntick,rcu:rcu_unlock_preempted_task

17
tools/testing/selftests/rcutorture/configs/CFLIST Normal file
View File

@ -0,0 +1,17 @@
sysidleY.2013.06.19a
sysidleN.2013.06.19a
P1-S-T-NH-SD-SMP-HP
P2-2-t-nh-sd-SMP-hp
P3-3-T-nh-SD-SMP-hp
P4-A-t-NH-sd-SMP-HP
P5-U-T-NH-sd-SMP-hp
P6---t-nh-SD-smp-hp
N1-S-T-NH-SD-SMP-HP
N2-2-t-nh-sd-SMP-hp
N3-3-T-nh-SD-SMP-hp
N4-A-t-NH-sd-SMP-HP
N5-U-T-NH-sd-SMP-hp
PT1-nh
PT2-NH
NT1-nh
NT3-NH

14
tools/testing/selftests/rcutorture/configs/v0.0/CFLIST Normal file
View File

@ -0,0 +1,14 @@
P1-S-T-NH-SD-SMP-HP
P2-2-t-nh-sd-SMP-hp
P3-3-T-nh-SD-SMP-hp
P4-A-t-NH-sd-SMP-HP
P5-U-T-NH-sd-SMP-hp
N1-S-T-NH-SD-SMP-HP
N2-2-t-nh-sd-SMP-hp
N3-3-T-nh-SD-SMP-hp
N4-A-t-NH-sd-SMP-HP
N5-U-T-NH-sd-SMP-hp
PT1-nh
PT2-NH
NT1-nh
NT3-NH

1
tools/testing/selftests/rcutorture/configs/v0.0/N1-S-T-NH-SD-SMP-HP
View File

@ -1,5 +1,4 @@
CONFIG_RCU_TRACE=y
CONFIG_RCU_FAST_NO_HZ=y
CONFIG_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=8

1
tools/testing/selftests/rcutorture/configs/v0.0/P1-S-T-NH-SD-SMP-HP
View File

@ -1,7 +1,6 @@
CONFIG_RCU_TRACE=y
CONFIG_RCU_CPU_STALL_INFO=y
CONFIG_NO_HZ=y
CONFIG_RCU_FAST_NO_HZ=y
CONFIG_SMP=y
CONFIG_RCU_FANOUT=8
CONFIG_NR_CPUS=8

35
tools/testing/selftests/rcutorture/configs/v0.0/ver_functions.sh Normal file
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@ -0,0 +1,35 @@
#!/bin/bash
#
# Kernel-version-dependent shell functions for the rest of the scripts.
#
# 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>
# rcutorture_param_n_barrier_cbs bootparam-string
#
# Adds n_barrier_cbs rcutorture module parameter to kernels having it.
rcutorture_param_n_barrier_cbs () {
echo $1
}
# rcutorture_param_onoff bootparam-string config-file
#
# Adds onoff rcutorture module parameters to kernels having it.
rcutorture_param_onoff () {
echo $1
}

14
tools/testing/selftests/rcutorture/configs/v3.3/CFLIST Normal file
View File

@ -0,0 +1,14 @@
P1-S-T-NH-SD-SMP-HP
P2-2-t-nh-sd-SMP-hp
P3-3-T-nh-SD-SMP-hp
P4-A-t-NH-sd-SMP-HP
P5-U-T-NH-sd-SMP-hp
N1-S-T-NH-SD-SMP-HP
N2-2-t-nh-sd-SMP-hp
N3-3-T-nh-SD-SMP-hp
N4-A-t-NH-sd-SMP-HP
N5-U-T-NH-sd-SMP-hp
PT1-nh
PT2-NH
NT1-nh
NT3-NH

41
tools/testing/selftests/rcutorture/configs/v3.3/ver_functions.sh Normal file
View File

@ -0,0 +1,41 @@
#!/bin/bash
#
# Kernel-version-dependent shell functions for the rest of the scripts.
#
# 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>
# rcutorture_param_n_barrier_cbs bootparam-string
#
# Adds n_barrier_cbs rcutorture module parameter to kernels having it.
rcutorture_param_n_barrier_cbs () {
echo $1
}
# rcutorture_param_onoff bootparam-string config-file
#
# Adds onoff rcutorture module parameters to kernels having it.
rcutorture_param_onoff () {
if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2"
then
echo CPU-hotplug kernel, adding rcutorture onoff.
echo $1 rcutorture.onoff_interval=3 rcutorture.onoff_holdoff=30
else
echo $1
fi
}

14
tools/testing/selftests/rcutorture/configs/v3.5/CFLIST Normal file
View File

@ -0,0 +1,14 @@
P1-S-T-NH-SD-SMP-HP
P2-2-t-nh-sd-SMP-hp
P3-3-T-nh-SD-SMP-hp
P4-A-t-NH-sd-SMP-HP
P5-U-T-NH-sd-SMP-hp
N1-S-T-NH-SD-SMP-HP
N2-2-t-nh-sd-SMP-hp
N3-3-T-nh-SD-SMP-hp
N4-A-t-NH-sd-SMP-HP
N5-U-T-NH-sd-SMP-hp
PT1-nh
PT2-NH
NT1-nh
NT3-NH

46
tools/testing/selftests/rcutorture/configs/v3.5/ver_functions.sh Normal file
View File

@ -0,0 +1,46 @@
#!/bin/bash
#
# Kernel-version-dependent shell functions for the rest of the scripts.
#
# 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>
# rcutorture_param_n_barrier_cbs bootparam-string
#
# Adds n_barrier_cbs rcutorture module parameter to kernels having it.
rcutorture_param_n_barrier_cbs () {
if echo $1 | grep -q "rcutorture\.n_barrier_cbs"
then
echo $1
else
echo $1 rcutorture.n_barrier_cbs=4
fi
}
# rcutorture_param_onoff bootparam-string config-file
#
# Adds onoff rcutorture module parameters to kernels having it.
rcutorture_param_onoff () {
if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2"
then
echo CPU-hotplug kernel, adding rcutorture onoff.
echo $1 rcutorture.onoff_interval=3 rcutorture.onoff_holdoff=30
else
echo $1
fi
}

46
tools/testing/selftests/rcutorture/configs/ver_functions.sh Normal file
View File

@ -0,0 +1,46 @@
#!/bin/bash
#
# Kernel-version-dependent shell functions for the rest of the scripts.
#
# 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>
# rcutorture_param_n_barrier_cbs bootparam-string
#
# Adds n_barrier_cbs rcutorture module parameter to kernels having it.
rcutorture_param_n_barrier_cbs () {
if echo $1 | grep -q "rcutorture\.n_barrier_cbs"
then
echo $1
else
echo $1 rcutorture.n_barrier_cbs=4
fi
}
# rcutorture_param_onoff bootparam-string config-file
#
# Adds onoff rcutorture module parameters to kernels having it.
rcutorture_param_onoff () {
if ! bootparam_hotplug_cpu "$1" && configfrag_hotplug_cpu "$2"
then
echo CPU-hotplug kernel, adding rcutorture onoff. 1>&2
echo $1 rcutorture.onoff_interval=3 rcutorture.onoff_holdoff=30
else
echo $1
fi
}