[Fuego] [PATCH v2] Benchmark.cyclictest: add a warning for rt

Li Xiaoming lixm.fnst at cn.fujitsu.com
Fri Nov 2 03:34:50 UTC 2018

details: add a warning if CONFIG_RT_GROUP_SCHED enabled in kernel.

Signed-off-by: Li Xiaoming <lixm.fnst at cn.fujitsu.com>
 engine/tests/Benchmark.cyclictest/fuego_test.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/engine/tests/Benchmark.cyclictest/fuego_test.sh b/engine/tests/Benchmark.cyclictest/fuego_test.sh
index 319f361..d233b87 100755
--- a/engine/tests/Benchmark.cyclictest/fuego_test.sh
+++ b/engine/tests/Benchmark.cyclictest/fuego_test.sh
@@ -4,6 +4,14 @@ NEED_ROOT=1
 function test_pre_check {
+    if check_kconfig "CONFIG_RT_GROUP_SCHED=y"; then
+        echo "WARNING: CONFIG_RT_GROUP_SCHED enabled in your kernel. Please check the RT"
+        echo "settings as following if this test failed with 'Unable to change scheduling policy'."
+        echo "- If the user does not need the RT groups functionality, disable CONFIG_RT_GROUP_SCHED and compile the kernel again, or 'sysctl -w kernel.sched_rt_runtime_us=-1'"
+        echo "- If the user does want to use RT groups functionality, put the sshd daemon into a cgroup with assigned runtime"
+    fi
 function test_build {

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