You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
1.7 KiB
67 lines
1.7 KiB
7 months ago
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
/*
|
||
|
|
* Copyright (c) 2019 Linus Walleij <linus.walleij@linaro.org>
|
||
|
|
*
|
||
|
|
* Description:
|
||
|
|
* Extended ioprio_set() test.
|
||
|
|
* Tests to set all 8 priority levels for best effort priority, then
|
||
|
|
* switches to test all 8 priority levels for idle priority.
|
||
|
|
*/
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <sys/syscall.h>
|
||
|
|
|
||
|
|
#include "tst_test.h"
|
||
|
|
#include "lapi/syscalls.h"
|
||
|
|
#include "ioprio.h"
|
||
|
|
|
||
|
|
static void run(void)
|
||
|
|
{
|
||
|
|
int class, prio;
|
||
|
|
int fail_in_loop;
|
||
|
|
|
||
|
|
/* Bump to best effort scheduling, all 8 priorities */
|
||
|
|
class = IOPRIO_CLASS_BE;
|
||
|
|
|
||
|
|
fail_in_loop = 0;
|
||
|
|
for (prio = 0; prio < IOPRIO_PRIO_NUM; prio++) {
|
||
|
|
TEST(sys_ioprio_set(IOPRIO_WHO_PROCESS, 0,
|
||
|
|
IOPRIO_PRIO_VALUE(class, prio)));
|
||
|
|
if (TST_RET == -1) {
|
||
|
|
tst_res(TFAIL | TTERRNO, "ioprio_set IOPRIO_CLASS_BE prio %d failed", prio);
|
||
|
|
fail_in_loop = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!fail_in_loop)
|
||
|
|
tst_res(TPASS, "tested all prios in class %s",
|
||
|
|
to_class_str[class]);
|
||
|
|
|
||
|
|
/* Bump down to idle scheduling */
|
||
|
|
class = IOPRIO_CLASS_IDLE;
|
||
|
|
|
||
|
|
fail_in_loop = 0;
|
||
|
|
for (prio = 0; prio < IOPRIO_PRIO_NUM; prio++) {
|
||
|
|
TEST(sys_ioprio_set(IOPRIO_WHO_PROCESS, 0,
|
||
|
|
IOPRIO_PRIO_VALUE(class, prio)));
|
||
|
|
if (TST_RET == -1) {
|
||
|
|
tst_res(TFAIL | TTERRNO, "ioprio_set IOPRIO_CLASS_IDLE prio %d failed", prio);
|
||
|
|
fail_in_loop = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!fail_in_loop)
|
||
|
|
tst_res(TPASS, "tested all prios in class %s",
|
||
|
|
to_class_str[class]);
|
||
|
|
|
||
|
|
/* Test NONE scheduling */
|
||
|
|
class = IOPRIO_CLASS_NONE;
|
||
|
|
TEST(sys_ioprio_set(IOPRIO_WHO_PROCESS, 0,
|
||
|
|
IOPRIO_PRIO_VALUE(class, 0)));
|
||
|
|
if (TST_RET == -1)
|
||
|
|
tst_res(TFAIL | TTERRNO, "ioprio_set IOPRIO_CLASS_NONE failed");
|
||
|
|
else
|
||
|
|
ioprio_check_setting(class, 0, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct tst_test test = {
|
||
|
|
.test_all = run,
|
||
|
|
};
|