[LTP] [PATCH 3/3] Fix cpuhotplug test case cpuhotplug05

[<ji...@wi...>]

From: Jin Li <ji...@wi...>

Check whether sar is available befor run test

Signed-off-by: Jin Li <ji...@wi...>
---
 testcases/kernel/hotplug/cpu_hotplug/functional/cpuhotplug05.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/testcases/kernel/hotplug/cpu_hotplug/functional/cpuhotplug05.sh b/testcases/kernel/hotplug/cpu_hotplug/functional/cpuhotplug05.sh
index ad57efe..e64b91c 100755
--- a/testcases/kernel/hotplug/cpu_hotplug/functional/cpuhotplug05.sh
+++ b/testcases/kernel/hotplug/cpu_hotplug/functional/cpuhotplug05.sh
@@ -27,6 +27,11 @@ Desc:   Does sar behave properly during CPU hotplug events?
 
 EOF
 
+which sar > /dev/null 2>&1 || {
+        tst_resm TCONF "sar does not exist"
+        exit_clean 1
+}
+
 # Verify the specified CPU is available
 if ! cpu_is_valid "${CPU_TO_TEST}" ; then
 	tst_resm TBROK"CPU${CPU_TO_TEST} not found"
-- 
1.7.11