2 This file is part of systemd.
4 Copyright 2013 David Strauss
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
25 #include "string-util.h"
26 #include "test-helper.h"
30 static int test_cgroup_mask(void) {
31 _cleanup_(rm_rf_physical_and_freep
) char *runtime_dir
= NULL
;
33 Unit
*son
, *daughter
, *parent
, *root
, *grandchild
, *parent_deep
;
38 r
= enter_cgroup_subroot();
39 if (r
== -ENOMEDIUM
) {
40 puts("Skipping test: cgroupfs not available");
41 return EXIT_TEST_SKIP
;
44 /* Prepare the manager. */
45 assert_se(set_unit_path(get_testdata_dir("")) >= 0);
46 assert_se(runtime_dir
= setup_fake_runtime_dir());
47 r
= manager_new(UNIT_FILE_USER
, MANAGER_TEST_RUN_MINIMAL
, &m
);
48 if (IN_SET(r
, -EPERM
, -EACCES
)) {
49 puts("manager_new: Permission denied. Skipping test.");
50 return EXIT_TEST_SKIP
;
54 /* Turn off all kinds of default accouning, so that we can
55 * verify the masks resulting of our configuration and nothing
57 m
->default_cpu_accounting
=
58 m
->default_memory_accounting
=
59 m
->default_blockio_accounting
=
60 m
->default_io_accounting
=
61 m
->default_tasks_accounting
= false;
62 m
->default_tasks_max
= (uint64_t) -1;
65 assert_se(manager_startup(m
, serial
, fdset
) >= 0);
67 /* Load units and verify hierarchy. */
68 assert_se(manager_load_unit(m
, "parent.slice", NULL
, NULL
, &parent
) >= 0);
69 assert_se(manager_load_unit(m
, "son.service", NULL
, NULL
, &son
) >= 0);
70 assert_se(manager_load_unit(m
, "daughter.service", NULL
, NULL
, &daughter
) >= 0);
71 assert_se(manager_load_unit(m
, "grandchild.service", NULL
, NULL
, &grandchild
) >= 0);
72 assert_se(manager_load_unit(m
, "parent-deep.slice", NULL
, NULL
, &parent_deep
) >= 0);
73 assert_se(parent
->load_state
== UNIT_LOADED
);
74 assert_se(son
->load_state
== UNIT_LOADED
);
75 assert_se(daughter
->load_state
== UNIT_LOADED
);
76 assert_se(grandchild
->load_state
== UNIT_LOADED
);
77 assert_se(parent_deep
->load_state
== UNIT_LOADED
);
78 assert_se(UNIT_DEREF(son
->slice
) == parent
);
79 assert_se(UNIT_DEREF(daughter
->slice
) == parent
);
80 assert_se(UNIT_DEREF(parent_deep
->slice
) == parent
);
81 assert_se(UNIT_DEREF(grandchild
->slice
) == parent_deep
);
82 root
= UNIT_DEREF(parent
->slice
);
84 /* Verify per-unit cgroups settings. */
85 assert_se(unit_get_own_mask(son
) == (CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
));
86 assert_se(unit_get_own_mask(daughter
) == 0);
87 assert_se(unit_get_own_mask(grandchild
) == 0);
88 assert_se(unit_get_own_mask(parent_deep
) == CGROUP_MASK_MEMORY
);
89 assert_se(unit_get_own_mask(parent
) == (CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
));
90 assert_se(unit_get_own_mask(root
) == 0);
92 /* Verify aggregation of member masks */
93 assert_se(unit_get_members_mask(son
) == 0);
94 assert_se(unit_get_members_mask(daughter
) == 0);
95 assert_se(unit_get_members_mask(grandchild
) == 0);
96 assert_se(unit_get_members_mask(parent_deep
) == 0);
97 assert_se(unit_get_members_mask(parent
) == (CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_MEMORY
));
98 assert_se(unit_get_members_mask(root
) == (CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
));
100 /* Verify aggregation of sibling masks. */
101 assert_se(unit_get_siblings_mask(son
) == (CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_MEMORY
));
102 assert_se(unit_get_siblings_mask(daughter
) == (CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_MEMORY
));
103 assert_se(unit_get_siblings_mask(grandchild
) == 0);
104 assert_se(unit_get_siblings_mask(parent_deep
) == (CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_MEMORY
));
105 assert_se(unit_get_siblings_mask(parent
) == (CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
));
106 assert_se(unit_get_siblings_mask(root
) == (CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
));
108 /* Verify aggregation of target masks. */
109 assert_se(unit_get_target_mask(son
) == ((CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_MEMORY
) & m
->cgroup_supported
));
110 assert_se(unit_get_target_mask(daughter
) == ((CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_MEMORY
) & m
->cgroup_supported
));
111 assert_se(unit_get_target_mask(grandchild
) == 0);
112 assert_se(unit_get_target_mask(parent_deep
) == ((CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_MEMORY
) & m
->cgroup_supported
));
113 assert_se(unit_get_target_mask(parent
) == ((CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
) & m
->cgroup_supported
));
114 assert_se(unit_get_target_mask(root
) == ((CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
) & m
->cgroup_supported
));
121 static void test_cg_mask_to_string_one(CGroupMask mask
, const char *t
) {
122 _cleanup_free_
char *b
= NULL
;
124 assert_se(cg_mask_to_string(mask
, &b
) >= 0);
125 assert_se(streq_ptr(b
, t
));
128 static void test_cg_mask_to_string(void) {
129 test_cg_mask_to_string_one(0, NULL
);
130 test_cg_mask_to_string_one(_CGROUP_MASK_ALL
, "cpu cpuacct io blkio memory devices pids");
131 test_cg_mask_to_string_one(CGROUP_MASK_CPU
, "cpu");
132 test_cg_mask_to_string_one(CGROUP_MASK_CPUACCT
, "cpuacct");
133 test_cg_mask_to_string_one(CGROUP_MASK_IO
, "io");
134 test_cg_mask_to_string_one(CGROUP_MASK_BLKIO
, "blkio");
135 test_cg_mask_to_string_one(CGROUP_MASK_MEMORY
, "memory");
136 test_cg_mask_to_string_one(CGROUP_MASK_DEVICES
, "devices");
137 test_cg_mask_to_string_one(CGROUP_MASK_PIDS
, "pids");
138 test_cg_mask_to_string_one(CGROUP_MASK_CPU
|CGROUP_MASK_CPUACCT
, "cpu cpuacct");
139 test_cg_mask_to_string_one(CGROUP_MASK_CPU
|CGROUP_MASK_PIDS
, "cpu pids");
140 test_cg_mask_to_string_one(CGROUP_MASK_CPUACCT
|CGROUP_MASK_PIDS
, "cpuacct pids");
141 test_cg_mask_to_string_one(CGROUP_MASK_DEVICES
|CGROUP_MASK_PIDS
, "devices pids");
142 test_cg_mask_to_string_one(CGROUP_MASK_IO
|CGROUP_MASK_BLKIO
, "io blkio");
145 int main(int argc
, char* argv
[]) {
148 log_parse_environment();
151 TEST_REQ_RUNNING_SYSTEMD(rc
= test_cgroup_mask());
152 test_cg_mask_to_string();