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

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

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"
}

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" &

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

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

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

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

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

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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
}

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@ -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

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@ -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
}

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

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
}

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
}