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-rw-r--r--src/test/test-sched-prio.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/src/test/test-sched-prio.c b/src/test/test-sched-prio.c
new file mode 100644
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+++ b/src/test/test-sched-prio.c
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+/* SPDX-License-Identifier: LGPL-2.1+ */
+/***
+ Copyright © 2012 Holger Hans Peter Freyther
+***/
+
+#include <sched.h>
+
+#include "all-units.h"
+#include "macro.h"
+#include "manager.h"
+#include "rm-rf.h"
+#include "test-helper.h"
+#include "tests.h"
+
+int main(int argc, char *argv[]) {
+ _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
+ _cleanup_(manager_freep) Manager *m = NULL;
+ Unit *idle_ok, *idle_bad, *rr_ok, *rr_bad, *rr_sched;
+ Service *ser;
+ int r;
+
+ test_setup_logging(LOG_INFO);
+
+ r = enter_cgroup_subroot();
+ if (r == -ENOMEDIUM)
+ return log_tests_skipped("cgroupfs not available");
+
+ /* prepare the test */
+ assert_se(set_unit_path(get_testdata_dir()) >= 0);
+ assert_se(runtime_dir = setup_fake_runtime_dir());
+ r = manager_new(UNIT_FILE_USER, MANAGER_TEST_RUN_BASIC, &m);
+ if (MANAGER_SKIP_TEST(r))
+ return log_tests_skipped_errno(r, "manager_new");
+ assert_se(r >= 0);
+ assert_se(manager_startup(m, NULL, NULL) >= 0);
+
+ /* load idle ok */
+ assert_se(manager_load_startable_unit_or_warn(m, "sched_idle_ok.service", NULL, &idle_ok) >= 0);
+ ser = SERVICE(idle_ok);
+ assert_se(ser->exec_context.cpu_sched_policy == SCHED_OTHER);
+ assert_se(ser->exec_context.cpu_sched_priority == 0);
+
+ /*
+ * load idle bad. This should print a warning but we have no way to look at it.
+ */
+ assert_se(manager_load_startable_unit_or_warn(m, "sched_idle_bad.service", NULL, &idle_bad) >= 0);
+ ser = SERVICE(idle_ok);
+ assert_se(ser->exec_context.cpu_sched_policy == SCHED_OTHER);
+ assert_se(ser->exec_context.cpu_sched_priority == 0);
+
+ /*
+ * load rr ok.
+ * Test that the default priority is moving from 0 to 1.
+ */
+ assert_se(manager_load_startable_unit_or_warn(m, "sched_rr_ok.service", NULL, &rr_ok) >= 0);
+ ser = SERVICE(rr_ok);
+ assert_se(ser->exec_context.cpu_sched_policy == SCHED_RR);
+ assert_se(ser->exec_context.cpu_sched_priority == 1);
+
+ /*
+ * load rr bad.
+ * Test that the value of 0 and 100 is ignored.
+ */
+ assert_se(manager_load_startable_unit_or_warn(m, "sched_rr_bad.service", NULL, &rr_bad) >= 0);
+ ser = SERVICE(rr_bad);
+ assert_se(ser->exec_context.cpu_sched_policy == SCHED_RR);
+ assert_se(ser->exec_context.cpu_sched_priority == 1);
+
+ /*
+ * load rr change.
+ * Test that anything between 1 and 99 can be set.
+ */
+ assert_se(manager_load_startable_unit_or_warn(m, "sched_rr_change.service", NULL, &rr_sched) >= 0);
+ ser = SERVICE(rr_sched);
+ assert_se(ser->exec_context.cpu_sched_policy == SCHED_RR);
+ assert_se(ser->exec_context.cpu_sched_priority == 99);
+
+ return EXIT_SUCCESS;
+}