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-rwxr-xr-xtools/testing/selftests/rcutorture/bin/cpus2use.sh5
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm.sh3
2 files changed, 8 insertions, 0 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/cpus2use.sh b/tools/testing/selftests/rcutorture/bin/cpus2use.sh
index ff7102212703..4e9485590c10 100755
--- a/tools/testing/selftests/rcutorture/bin/cpus2use.sh
+++ b/tools/testing/selftests/rcutorture/bin/cpus2use.sh
@@ -9,6 +9,11 @@
#
# Authors: Paul E. McKenney <paulmck@linux.ibm.com>
+if test -n "$TORTURE_ALLOTED_CPUS"
+then
+ echo $TORTURE_ALLOTED_CPUS
+ exit 0
+fi
ncpus=`grep '^processor' /proc/cpuinfo | wc -l`
idlecpus=`mpstat | tail -1 | \
awk -v ncpus=$ncpus '{ print ncpus * ($7 + $NF) / 100 }'`
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 8c43eb43409b..ea6289a335f2 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -24,6 +24,7 @@ dur=$((30*60))
dryrun=""
KVM="`pwd`/tools/testing/selftests/rcutorture"; export KVM
PATH=${KVM}/bin:$PATH; export PATH
+TORTURE_ALLOTED_CPUS=""
TORTURE_DEFCONFIG=defconfig
TORTURE_BOOT_IMAGE=""
TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD
@@ -89,6 +90,7 @@ do
--cpus)
checkarg --cpus "(number)" "$#" "$2" '^[0-9]*$' '^--'
cpus=$2
+ TORTURE_ALLOTED_CPUS="$2"
shift
;;
--datestamp)
@@ -285,6 +287,7 @@ cat << ___EOF___ > $T/script
CONFIGFRAG="$CONFIGFRAG"; export CONFIGFRAG
KVM="$KVM"; export KVM
PATH="$PATH"; export PATH
+TORTURE_ALLOTED_CPUS="$TORTURE_ALLOTED_CPUS"; export TORTURE_ALLOTED_CPUS
TORTURE_BOOT_IMAGE="$TORTURE_BOOT_IMAGE"; export TORTURE_BOOT_IMAGE
TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY
TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG