1 /* SPDX-License-Identifier: LGPL-2.1+ */
6 #include "cgroup-util.h"
10 #include "string-util.h"
11 #include "test-helper.h"
15 #define ASSERT_CGROUP_MASK(got, expected) \
16 log_cgroup_mask(got, expected); \
17 assert_se(got == expected)
19 #define ASSERT_CGROUP_MASK_JOINED(got, expected) ASSERT_CGROUP_MASK(got, CGROUP_MASK_EXTEND_JOINED(expected))
21 static void log_cgroup_mask(CGroupMask got
, CGroupMask expected
) {
22 _cleanup_free_
char *e_store
= NULL
, *g_store
= NULL
;
24 assert_se(cg_mask_to_string(expected
, &e_store
) >= 0);
25 log_info("Expected mask: %s\n", e_store
);
26 assert_se(cg_mask_to_string(got
, &g_store
) >= 0);
27 log_info("Got mask: %s\n", g_store
);
30 static int test_cgroup_mask(void) {
31 _cleanup_(rm_rf_physical_and_freep
) char *runtime_dir
= NULL
;
32 _cleanup_(manager_freep
) Manager
*m
= NULL
;
33 Unit
*son
, *daughter
, *parent
, *root
, *grandchild
, *parent_deep
, *nomem_parent
, *nomem_leaf
;
35 CGroupMask cpu_accounting_mask
= get_cpu_accounting_mask();
37 r
= enter_cgroup_subroot();
39 return log_tests_skipped("cgroupfs not available");
41 /* Prepare the manager. */
42 assert_se(set_unit_path(get_testdata_dir()) >= 0);
43 assert_se(runtime_dir
= setup_fake_runtime_dir());
44 r
= manager_new(UNIT_FILE_USER
, MANAGER_TEST_RUN_BASIC
, &m
);
45 if (IN_SET(r
, -EPERM
, -EACCES
)) {
46 log_error_errno(r
, "manager_new: %m");
47 return log_tests_skipped("cannot create manager");
52 /* Turn off all kinds of default accouning, so that we can
53 * verify the masks resulting of our configuration and nothing
55 m
->default_cpu_accounting
=
56 m
->default_memory_accounting
=
57 m
->default_blockio_accounting
=
58 m
->default_io_accounting
=
59 m
->default_tasks_accounting
= false;
60 m
->default_tasks_max
= (uint64_t) -1;
63 assert_se(manager_startup(m
, NULL
, NULL
) >= 0);
65 /* Load units and verify hierarchy. */
66 assert_se(manager_load_startable_unit_or_warn(m
, "parent.slice", NULL
, &parent
) >= 0);
67 assert_se(manager_load_startable_unit_or_warn(m
, "son.service", NULL
, &son
) >= 0);
68 assert_se(manager_load_startable_unit_or_warn(m
, "daughter.service", NULL
, &daughter
) >= 0);
69 assert_se(manager_load_startable_unit_or_warn(m
, "grandchild.service", NULL
, &grandchild
) >= 0);
70 assert_se(manager_load_startable_unit_or_warn(m
, "parent-deep.slice", NULL
, &parent_deep
) >= 0);
71 assert_se(manager_load_startable_unit_or_warn(m
, "nomem.slice", NULL
, &nomem_parent
) >= 0);
72 assert_se(manager_load_startable_unit_or_warn(m
, "nomemleaf.service", NULL
, &nomem_leaf
) >= 0);
73 assert_se(UNIT_DEREF(son
->slice
) == parent
);
74 assert_se(UNIT_DEREF(daughter
->slice
) == parent
);
75 assert_se(UNIT_DEREF(parent_deep
->slice
) == parent
);
76 assert_se(UNIT_DEREF(grandchild
->slice
) == parent_deep
);
77 assert_se(UNIT_DEREF(nomem_leaf
->slice
) == nomem_parent
);
78 root
= UNIT_DEREF(parent
->slice
);
79 assert_se(UNIT_DEREF(nomem_parent
->slice
) == root
);
81 /* Verify per-unit cgroups settings. */
82 ASSERT_CGROUP_MASK_JOINED(unit_get_own_mask(son
), CGROUP_MASK_CPU
);
83 ASSERT_CGROUP_MASK_JOINED(unit_get_own_mask(daughter
), cpu_accounting_mask
);
84 ASSERT_CGROUP_MASK_JOINED(unit_get_own_mask(grandchild
), 0);
85 ASSERT_CGROUP_MASK_JOINED(unit_get_own_mask(parent_deep
), CGROUP_MASK_MEMORY
);
86 ASSERT_CGROUP_MASK_JOINED(unit_get_own_mask(parent
), (CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
));
87 ASSERT_CGROUP_MASK_JOINED(unit_get_own_mask(nomem_parent
), 0);
88 ASSERT_CGROUP_MASK_JOINED(unit_get_own_mask(nomem_leaf
), (CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
));
89 ASSERT_CGROUP_MASK_JOINED(unit_get_own_mask(root
), 0);
91 /* Verify aggregation of member masks */
92 ASSERT_CGROUP_MASK_JOINED(unit_get_members_mask(son
), 0);
93 ASSERT_CGROUP_MASK_JOINED(unit_get_members_mask(daughter
), 0);
94 ASSERT_CGROUP_MASK_JOINED(unit_get_members_mask(grandchild
), 0);
95 ASSERT_CGROUP_MASK_JOINED(unit_get_members_mask(parent_deep
), 0);
96 ASSERT_CGROUP_MASK_JOINED(unit_get_members_mask(parent
), (CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_MEMORY
));
97 ASSERT_CGROUP_MASK_JOINED(unit_get_members_mask(nomem_parent
), (CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
));
98 ASSERT_CGROUP_MASK_JOINED(unit_get_members_mask(nomem_leaf
), 0);
99 ASSERT_CGROUP_MASK_JOINED(unit_get_members_mask(root
), (CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
));
101 /* Verify aggregation of sibling masks. */
102 ASSERT_CGROUP_MASK_JOINED(unit_get_siblings_mask(son
), (CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_MEMORY
));
103 ASSERT_CGROUP_MASK_JOINED(unit_get_siblings_mask(daughter
), (CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_MEMORY
));
104 ASSERT_CGROUP_MASK_JOINED(unit_get_siblings_mask(grandchild
), 0);
105 ASSERT_CGROUP_MASK_JOINED(unit_get_siblings_mask(parent_deep
), (CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_MEMORY
));
106 ASSERT_CGROUP_MASK_JOINED(unit_get_siblings_mask(parent
), (CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
));
107 ASSERT_CGROUP_MASK_JOINED(unit_get_siblings_mask(nomem_parent
), (CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
));
108 ASSERT_CGROUP_MASK_JOINED(unit_get_siblings_mask(nomem_leaf
), (CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
));
109 ASSERT_CGROUP_MASK_JOINED(unit_get_siblings_mask(root
), (CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
));
111 /* Verify aggregation of target masks. */
112 ASSERT_CGROUP_MASK(unit_get_target_mask(son
), (CGROUP_MASK_EXTEND_JOINED(CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_MEMORY
) & m
->cgroup_supported
));
113 ASSERT_CGROUP_MASK(unit_get_target_mask(daughter
), (CGROUP_MASK_EXTEND_JOINED(CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_MEMORY
) & m
->cgroup_supported
));
114 ASSERT_CGROUP_MASK(unit_get_target_mask(grandchild
), 0);
115 ASSERT_CGROUP_MASK(unit_get_target_mask(parent_deep
), (CGROUP_MASK_EXTEND_JOINED(CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_MEMORY
) & m
->cgroup_supported
));
116 ASSERT_CGROUP_MASK(unit_get_target_mask(parent
), (CGROUP_MASK_EXTEND_JOINED(CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
) & m
->cgroup_supported
));
117 ASSERT_CGROUP_MASK(unit_get_target_mask(nomem_parent
), (CGROUP_MASK_EXTEND_JOINED(CGROUP_MASK_CPU
| CGROUP_MASK_CPUACCT
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
) & m
->cgroup_supported
));
118 ASSERT_CGROUP_MASK(unit_get_target_mask(nomem_leaf
), (CGROUP_MASK_EXTEND_JOINED(CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
) & m
->cgroup_supported
));
119 ASSERT_CGROUP_MASK(unit_get_target_mask(root
), (CGROUP_MASK_EXTEND_JOINED(CGROUP_MASK_CPU
| cpu_accounting_mask
| CGROUP_MASK_IO
| CGROUP_MASK_BLKIO
| CGROUP_MASK_MEMORY
) & m
->cgroup_supported
));
124 static void test_cg_mask_to_string_one(CGroupMask mask
, const char *t
) {
125 _cleanup_free_
char *b
= NULL
;
127 assert_se(cg_mask_to_string(mask
, &b
) >= 0);
128 assert_se(streq_ptr(b
, t
));
131 static void test_cg_mask_to_string(void) {
132 test_cg_mask_to_string_one(0, NULL
);
133 test_cg_mask_to_string_one(_CGROUP_MASK_ALL
, "cpu cpuacct io blkio memory devices pids bpf-firewall bpf-devices");
134 test_cg_mask_to_string_one(CGROUP_MASK_CPU
, "cpu");
135 test_cg_mask_to_string_one(CGROUP_MASK_CPUACCT
, "cpuacct");
136 test_cg_mask_to_string_one(CGROUP_MASK_IO
, "io");
137 test_cg_mask_to_string_one(CGROUP_MASK_BLKIO
, "blkio");
138 test_cg_mask_to_string_one(CGROUP_MASK_MEMORY
, "memory");
139 test_cg_mask_to_string_one(CGROUP_MASK_DEVICES
, "devices");
140 test_cg_mask_to_string_one(CGROUP_MASK_PIDS
, "pids");
141 test_cg_mask_to_string_one(CGROUP_MASK_CPU
|CGROUP_MASK_CPUACCT
, "cpu cpuacct");
142 test_cg_mask_to_string_one(CGROUP_MASK_CPU
|CGROUP_MASK_PIDS
, "cpu pids");
143 test_cg_mask_to_string_one(CGROUP_MASK_CPUACCT
|CGROUP_MASK_PIDS
, "cpuacct pids");
144 test_cg_mask_to_string_one(CGROUP_MASK_DEVICES
|CGROUP_MASK_PIDS
, "devices pids");
145 test_cg_mask_to_string_one(CGROUP_MASK_IO
|CGROUP_MASK_BLKIO
, "io blkio");
148 int main(int argc
, char* argv
[]) {
149 int rc
= EXIT_SUCCESS
;
151 test_setup_logging(LOG_DEBUG
);
153 test_cg_mask_to_string();
154 TEST_REQ_RUNNING_SYSTEMD(rc
= test_cgroup_mask());