test-sched-prio.c revision b2c23da8cea1987a1a329f5a964d3299b7ca7890
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright 2012 Holger Hans Peter Freyther
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 <sched.h>
#include "manager.h"
#include "macro.h"
int main(int argc, char *argv[]) {
Manager *m = NULL;
Unit *idle_ok, *idle_bad, *rr_ok, *rr_bad, *rr_sched;
Service *ser;
FILE *serial = NULL;
FDSet *fdset = NULL;
int r;
/* prepare the test */
assert_se(set_unit_path(TEST_DIR) >= 0);
r = manager_new(MANAGER_USER, true, &m);
if (IN_SET(r, -EPERM, -EACCES, -EADDRINUSE, -EHOSTDOWN, -ENOENT)) {
printf("Skipping test: manager_new: %s", strerror(-r));
return EXIT_TEST_SKIP;
}
assert_se(r >= 0);
assert_se(manager_startup(m, serial, fdset) >= 0);
/* load idle ok */
assert_se(manager_load_unit(m, "sched_idle_ok.service", NULL, NULL, &idle_ok) >= 0);
assert_se(idle_ok->load_state == UNIT_LOADED);
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_unit(m, "sched_idle_bad.service", NULL, NULL, &idle_bad) >= 0);
assert_se(idle_bad->load_state == UNIT_LOADED);
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_unit(m, "sched_rr_ok.service", NULL, NULL, &rr_ok) >= 0);
assert_se(rr_ok->load_state == UNIT_LOADED);
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_unit(m, "sched_rr_bad.service", NULL, NULL, &rr_bad) >= 0);
assert_se(rr_bad->load_state == UNIT_LOADED);
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_unit(m, "sched_rr_change.service", NULL, NULL, &rr_sched) >= 0);
assert_se(rr_sched->load_state == UNIT_LOADED);
ser = SERVICE(rr_sched);
assert_se(ser->exec_context.cpu_sched_policy == SCHED_RR);
assert_se(ser->exec_context.cpu_sched_priority == 99);
manager_free(m);
return EXIT_SUCCESS;
}