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Diffstat (limited to 'src/test/test-cgroup-mask.c')
| -rw-r--r-- | src/test/test-cgroup-mask.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/test/test-cgroup-mask.c b/src/test/test-cgroup-mask.c new file mode 100644 index 0000000000..e4db250153 --- /dev/null +++ b/src/test/test-cgroup-mask.c @@ -0,0 +1,121 @@ +/*** + This file is part of systemd. + + Copyright 2013 David Strauss + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <stdio.h> + +#include "core/manager.h" +#include "core/unit.h" +#include "systemd-basic/macro.h" +#include "systemd-basic/rm-rf.h" +#include "systemd-shared/tests.h" + +#include "test-helper.h" + +static int test_cgroup_mask(void) { + Manager *m = NULL; + Unit *son, *daughter, *parent, *root, *grandchild, *parent_deep; + FILE *serial = NULL; + FDSet *fdset = NULL; + int r; + + /* Prepare the manager. */ + assert_se(set_unit_path(TEST_DIR) >= 0); + r = manager_new(UNIT_FILE_USER, true, &m); + if (r == -EPERM || r == -EACCES) { + puts("manager_new: Permission denied. Skipping test."); + return EXIT_TEST_SKIP; + } + assert_se(r >= 0); + + /* Turn off all kinds of default accouning, so that we can + * verify the masks resulting of our configuration and nothing + * else. */ + m->default_cpu_accounting = + m->default_memory_accounting = + m->default_blockio_accounting = + m->default_io_accounting = + m->default_tasks_accounting = false; + m->default_tasks_max = (uint64_t) -1; + + assert_se(r >= 0); + assert_se(manager_startup(m, serial, fdset) >= 0); + + /* Load units and verify hierarchy. */ + assert_se(manager_load_unit(m, "parent.slice", NULL, NULL, &parent) >= 0); + assert_se(manager_load_unit(m, "son.service", NULL, NULL, &son) >= 0); + assert_se(manager_load_unit(m, "daughter.service", NULL, NULL, &daughter) >= 0); + assert_se(manager_load_unit(m, "grandchild.service", NULL, NULL, &grandchild) >= 0); + assert_se(manager_load_unit(m, "parent-deep.slice", NULL, NULL, &parent_deep) >= 0); + assert_se(parent->load_state == UNIT_LOADED); + assert_se(son->load_state == UNIT_LOADED); + assert_se(daughter->load_state == UNIT_LOADED); + assert_se(grandchild->load_state == UNIT_LOADED); + assert_se(parent_deep->load_state == UNIT_LOADED); + assert_se(UNIT_DEREF(son->slice) == parent); + assert_se(UNIT_DEREF(daughter->slice) == parent); + assert_se(UNIT_DEREF(parent_deep->slice) == parent); + assert_se(UNIT_DEREF(grandchild->slice) == parent_deep); + root = UNIT_DEREF(parent->slice); + + /* Verify per-unit cgroups settings. */ + assert_se(unit_get_own_mask(son) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT)); + assert_se(unit_get_own_mask(daughter) == 0); + assert_se(unit_get_own_mask(grandchild) == 0); + assert_se(unit_get_own_mask(parent_deep) == CGROUP_MASK_MEMORY); + assert_se(unit_get_own_mask(parent) == (CGROUP_MASK_IO | CGROUP_MASK_BLKIO)); + assert_se(unit_get_own_mask(root) == 0); + + /* Verify aggregation of member masks */ + assert_se(unit_get_members_mask(son) == 0); + assert_se(unit_get_members_mask(daughter) == 0); + assert_se(unit_get_members_mask(grandchild) == 0); + assert_se(unit_get_members_mask(parent_deep) == 0); + assert_se(unit_get_members_mask(parent) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY)); + assert_se(unit_get_members_mask(root) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY)); + + /* Verify aggregation of sibling masks. */ + assert_se(unit_get_siblings_mask(son) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY)); + assert_se(unit_get_siblings_mask(daughter) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY)); + assert_se(unit_get_siblings_mask(grandchild) == 0); + assert_se(unit_get_siblings_mask(parent_deep) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY)); + assert_se(unit_get_siblings_mask(parent) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY)); + assert_se(unit_get_siblings_mask(root) == (CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_IO | CGROUP_MASK_BLKIO | CGROUP_MASK_MEMORY)); + + /* Verify aggregation of target masks. */ + assert_se(unit_get_target_mask(son) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY) & m->cgroup_supported)); + assert_se(unit_get_target_mask(daughter) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY) & m->cgroup_supported)); + assert_se(unit_get_target_mask(grandchild) == 0); + assert_se(unit_get_target_mask(parent_deep) == ((CGROUP_MASK_CPU | CGROUP_MASK_CPUACCT | CGROUP_MASK_MEMORY) & m->cgroup_supported)); + 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)); + 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)); + + manager_free(m); + + return 0; +} + +int main(int argc, char* argv[]) { + _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL; + int rc = 0; + + assert_se(runtime_dir = setup_fake_runtime_dir()); + TEST_REQ_RUNNING_SYSTEMD(rc = test_cgroup_mask()); + + return rc; +} |