For kernel commit c4c27fbdda4e8ba87806c415b6d15266b07bce4b,
disallow attaching kthreadd or PF_THREAD_BOUND threads to cgroups.
So, we kindly avoid to attach these threads in cgroup tests.
Signed-off-by: Li Jinyue <lijin...@huawei.com>
---
testcases/kernel/controllers/cgroup_fj/cgroup_fj_function.sh | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/testcases/kernel/controllers/cgroup_fj/cgroup_fj_function.sh
b/testcases/kernel/controllers/cgroup_fj/cgroup_fj_function.sh
index 30476bd..30fffb6 100755
--- a/testcases/kernel/controllers/cgroup_fj/cgroup_fj_function.sh
+++ b/testcases/kernel/controllers/cgroup_fj/cgroup_fj_function.sh
@@ -186,6 +186,16 @@ case $attach_operation in
do
cur_pid=`sed -n "$i""p" $TMPFILE`
if [ -e /proc/$cur_pid/ ];then
+ #For kernel 3.4.0 and higher,kernel disallow attaching
kthreadd or
+ #PF_THREAD_BOUND threads to cgroups.
+ #kernel commit: c4c27fbdda4e8ba87806c415b6d15266b07bce4b
+ tst_kvercmp 3 4 0
+ if [ $? -ne 0 ]; then
+ thread_flag=`cat /proc/$cur_pid/stat | awk
'{print $9}'`
+ if [ $cur_pid -eq 2 -o
$((${thread_flag}&0x04000000)) -eq 67108864 ];then
+ continue
+ fi
+ fi
do_echo 1 1 "$cur_pid" /dev/cgroup/subgroup_1/tasks
fi
done
--
1.8.2.2
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