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67 lines
1.7 KiB
67 lines
1.7 KiB
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2019 Linus Walleij <linus.walleij@linaro.org>
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*
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* Description:
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* Extended ioprio_set() test.
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* Tests to set all 8 priority levels for best effort priority, then
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* switches to test all 8 priority levels for idle priority.
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*/
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#include <sys/types.h>
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#include <sys/syscall.h>
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#include "tst_test.h"
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#include "lapi/syscalls.h"
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#include "ioprio.h"
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static void run(void)
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{
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int class, prio;
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int fail_in_loop;
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/* Bump to best effort scheduling, all 8 priorities */
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class = IOPRIO_CLASS_BE;
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fail_in_loop = 0;
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for (prio = 0; prio < IOPRIO_PRIO_NUM; prio++) {
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TEST(sys_ioprio_set(IOPRIO_WHO_PROCESS, 0,
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IOPRIO_PRIO_VALUE(class, prio)));
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if (TST_RET == -1) {
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tst_res(TFAIL | TTERRNO, "ioprio_set IOPRIO_CLASS_BE prio %d failed", prio);
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fail_in_loop = 1;
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}
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}
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if (!fail_in_loop)
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tst_res(TPASS, "tested all prios in class %s",
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to_class_str[class]);
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/* Bump down to idle scheduling */
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class = IOPRIO_CLASS_IDLE;
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fail_in_loop = 0;
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for (prio = 0; prio < IOPRIO_PRIO_NUM; prio++) {
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TEST(sys_ioprio_set(IOPRIO_WHO_PROCESS, 0,
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IOPRIO_PRIO_VALUE(class, prio)));
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if (TST_RET == -1) {
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tst_res(TFAIL | TTERRNO, "ioprio_set IOPRIO_CLASS_IDLE prio %d failed", prio);
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fail_in_loop = 1;
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}
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}
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if (!fail_in_loop)
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tst_res(TPASS, "tested all prios in class %s",
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to_class_str[class]);
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/* Test NONE scheduling */
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class = IOPRIO_CLASS_NONE;
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TEST(sys_ioprio_set(IOPRIO_WHO_PROCESS, 0,
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IOPRIO_PRIO_VALUE(class, 0)));
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if (TST_RET == -1)
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tst_res(TFAIL | TTERRNO, "ioprio_set IOPRIO_CLASS_NONE failed");
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else
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ioprio_check_setting(class, 0, 1);
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}
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static struct tst_test test = {
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.test_all = run,
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};
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