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/*
* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "tmacros.h"
#include <stdio.h>
#include <inttypes.h>
#include <rtems.h>
#include <rtems/libcsupport.h>
const char rtems_test_name[] = "SMPWAKEAFTER 1";
#define CPU_COUNT 32
#define INTERVAL_COUNT 8
static rtems_id task_ids[CPU_COUNT][INTERVAL_COUNT];
static const rtems_interval intervals[INTERVAL_COUNT] =
{ 1, 2, 3, 5, 7, 11, 13, 17 };
static uint32_t counts[CPU_COUNT][INTERVAL_COUNT];
static rtems_task_argument make_arg(uint32_t i, uint32_t j)
{
return (i << 8) | (j << 0);
}
static void get_indices(rtems_task_argument arg, uint32_t *i, uint32_t *j)
{
*i = (arg >> 8) & 0xff;
*j = (arg >> 0) & 0xff;
}
static void task(rtems_task_argument arg)
{
uint32_t i;
uint32_t j;
rtems_interval ticks;
get_indices(arg, &i, &j);
ticks = intervals[j];
while (true) {
rtems_status_code sc;
++counts[i][j];
sc = rtems_task_wake_after(ticks);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
}
static void test(void)
{
rtems_status_code sc;
uint32_t test_time_in_seconds = 10;
uint32_t cpu_count = rtems_get_processor_count();
uint32_t i;
for (i = 0; i < cpu_count; ++i) {
uint32_t j;
for (j = 0; j < INTERVAL_COUNT; ++j) {
sc = rtems_task_create(
rtems_build_name('T', 'A', 'S', 'K'),
2,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_ids[i][j]
);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_start(task_ids[i][j], task, make_arg(i, j));
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
}
for (i = 0; i < test_time_in_seconds; ++i) {
printf("%" PRIu32 " seconds remaining\n", test_time_in_seconds - i);
sc = rtems_task_wake_after(rtems_clock_get_ticks_per_second());
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
for (i = 0; i < cpu_count; ++i) {
uint32_t j;
for (j = 0; j < INTERVAL_COUNT; ++j) {
sc = rtems_task_delete(task_ids[i][j]);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
printf(
"counts[%" PRIu32 "][%" PRIu32 "] = %" PRIu32 "\n",
i,
j,
counts[i][j]
);
}
}
}
static void Init(rtems_task_argument arg)
{
rtems_resource_snapshot snapshot;
TEST_BEGIN();
rtems_resource_snapshot_take(&snapshot);
test();
rtems_test_assert(rtems_resource_snapshot_check(&snapshot));
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_MICROSECONDS_PER_TICK 1000
#define CONFIGURE_SMP_APPLICATION
#define CONFIGURE_SMP_MAXIMUM_PROCESSORS CPU_COUNT
#define CONFIGURE_MAXIMUM_TASKS (1 + CPU_COUNT)
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
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