Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxxxxx>
---
tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
index e5666dd..b18b253 100755
--- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
+++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
@@ -28,6 +28,12 @@ prerequisite()
echo "CPU online/offline summary:"
online_cpus=`cat $SYSFS/devices/system/cpu/online`
online_max=${online_cpus##*-}
+
+ if [[ "$online_cpus" = "$online_max" ]]; then
+ echo "$msg: since there is only one cpu: $online_cpus"
+ exit 0
+ fi
+
echo -e "\t Cpus in online state: $online_cpus"
offline_cpus=`cat $SYSFS/devices/system/cpu/offline`
--
2.7.4
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