112 lines
2.8 KiB
C
112 lines
2.8 KiB
C
/*
|
|
* Copyright (c) Huawei Technologies Co., Ltd., 2015
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*/
|
|
|
|
#define _GNU_SOURCE
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <linux/unistd.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/types.h>
|
|
#include <sys/syscall.h>
|
|
#include <pthread.h>
|
|
#include <sched.h>
|
|
#include <errno.h>
|
|
|
|
#include "test.h"
|
|
#include "lapi/syscalls.h"
|
|
#include "lapi/sched.h"
|
|
|
|
char *TCID = "sched_getattr01";
|
|
int TST_TOTAL = 1;
|
|
|
|
#define SCHED_DEADLINE 6
|
|
#define RUNTIME_VAL 10000000
|
|
#define PERIOD_VAL 30000000
|
|
#define DEADLINE_VAL 30000000
|
|
|
|
void *run_deadline(void *data LTP_ATTRIBUTE_UNUSED)
|
|
{
|
|
struct sched_attr attr, attr_copy;
|
|
int ret;
|
|
unsigned int flags = 0;
|
|
unsigned int size;
|
|
|
|
attr.size = sizeof(attr);
|
|
attr.sched_flags = 0;
|
|
attr.sched_nice = 0;
|
|
attr.sched_priority = 0;
|
|
|
|
/* This creates a 10ms/30ms reservation */
|
|
attr.sched_policy = SCHED_DEADLINE;
|
|
attr.sched_runtime = RUNTIME_VAL;
|
|
attr.sched_period = PERIOD_VAL;
|
|
attr.sched_deadline = DEADLINE_VAL;
|
|
|
|
ret = sched_setattr(0, &attr, flags);
|
|
if (ret < 0)
|
|
tst_brkm(TFAIL | TERRNO, NULL, "sched_setattr() failed");
|
|
|
|
size = sizeof(attr_copy);
|
|
ret = sched_getattr(0, &attr_copy, size, flags);
|
|
if (ret < 0)
|
|
tst_brkm(TFAIL | TERRNO, NULL, "sched_getattr() failed");
|
|
|
|
int fail = 0;
|
|
|
|
if (attr_copy.sched_runtime != RUNTIME_VAL) {
|
|
tst_resm(TINFO, "sched_runtime is incorrect (%"PRIu64"),"
|
|
" expected %u", attr.sched_runtime, RUNTIME_VAL);
|
|
fail++;
|
|
}
|
|
if (attr_copy.sched_period != PERIOD_VAL) {
|
|
tst_resm(TINFO, "sched_period is incorrect (%"PRIu64"),"
|
|
" expected %u", attr.sched_period, PERIOD_VAL);
|
|
fail++;
|
|
}
|
|
if (attr_copy.sched_deadline != DEADLINE_VAL) {
|
|
tst_resm(TINFO, "sched_deadline is incorrect (%"PRIu64"),"
|
|
" expected %u", attr.sched_deadline, DEADLINE_VAL);
|
|
fail++;
|
|
}
|
|
|
|
if (fail)
|
|
tst_resm(TFAIL, "attributes were read back incorrectly");
|
|
else
|
|
tst_resm(TPASS, "attributes were read back correctly");
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
pthread_t thread;
|
|
int lc;
|
|
|
|
tst_parse_opts(argc, argv, NULL, NULL);
|
|
|
|
tst_require_root();
|
|
|
|
if ((tst_kvercmp(3, 14, 0)) < 0)
|
|
tst_brkm(TCONF, NULL, "EDF needs kernel 3.14 or higher");
|
|
|
|
for (lc = 0; TEST_LOOPING(lc); lc++) {
|
|
pthread_create(&thread, NULL, run_deadline, NULL);
|
|
pthread_join(thread, NULL);
|
|
}
|
|
|
|
tst_exit();
|
|
}
|