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>
diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh
index db1c32a..d4c15f8 100644
--- a/tools/testing/selftests/rcutorture/bin/functions.sh
+++ b/tools/testing/selftests/rcutorture/bin/functions.sh
@@ -32,11 +32,10 @@
#
# 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"
}
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh
index 3b53078..0a3f037 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-rcu.sh
@@ -44,6 +44,7 @@
trap 'rm -rf $T' 0
. $KVM/bin/functions.sh
+. $KVPATH/ver_functions.sh
config_template=${1}
title=`echo $config_template | sed -e 's/^.*\///'`
@@ -133,14 +134,9 @@
fi
# Generate CPU-hotplug boot parameters
-if ! bootparam_hotplug_cpu "$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 $boot_args" &
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 7deb7b4..92f726b 100644
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -33,23 +33,7 @@
KVM=`pwd`/tools/testing/selftests/rcutorture; export KVM
builddir=${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 @@
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 "$resdir"
then
@@ -181,6 +171,6 @@
rd=$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