1#! /bin/sh
2
3################################################################################
4##                                                                            ##
5## Copyright (c) 2012 FUJITSU LIMITED                                         ##
6##                                                                            ##
7## This program is free software;  you can redistribute it and#or modify      ##
8## it under the terms of the GNU General Public License as published by       ##
9## the Free Software Foundation; either version 2 of the License, or          ##
10## (at your option) any later version.                                        ##
11##                                                                            ##
12## This program is distributed in the hope that it will be useful, but        ##
13## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
14## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License   ##
15## for more details.                                                          ##
16##                                                                            ##
17## You should have received a copy of the GNU General Public License          ##
18## along with this program;  if not, write to the Free Software               ##
19## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA    ##
20##                                                                            ##
21################################################################################
22#
23# File :        memcg_use_hierarchy_test.sh
24# Description:  Tests memory.use_hierarchy.
25# Author:       Peng Haitao <penght@cn.fujitsu.com>
26# History:      2012/01/14 - Created.
27#
28
29TCID="memcg_use_hierarchy_test"
30TST_TOTAL=3
31
32. memcg_lib.sh
33
34# test if one of the ancestors goes over its limit, the proces will be killed
35testcase_1()
36{
37	echo 1 > memory.use_hierarchy
38	echo $PAGESIZE > memory.limit_in_bytes
39
40	mkdir subgroup
41	cd subgroup
42	test_proc_kill $((PAGESIZE*3)) "--mmap-lock1" $((PAGESIZE*2)) 0
43
44	cd ..
45	rmdir subgroup
46}
47
48# test Enabling will fail if the cgroup already has other cgroups
49testcase_2()
50{
51	mkdir subgroup
52	EXPECT_FAIL echo 1 \> memory.use_hierarchy
53
54	rmdir subgroup
55}
56
57# test disabling will fail if the parent cgroup has enabled hierarchy.
58testcase_3()
59{
60	echo 1 > memory.use_hierarchy
61	mkdir subgroup
62	EXPECT_FAIL echo 0 \> subgroup/memory.use_hierarchy
63
64	rmdir subgroup
65}
66
67run_tests
68
69tst_exit
70
71