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/*
* Copyright (c) 2017 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 <rtems.h>
const char rtems_test_name[] = "SMPSCHEDEDF 3";
#define CPU_COUNT 32
#define TASK_COUNT (3 * CPU_COUNT)
typedef struct {
rtems_id task_ids[TASK_COUNT];
} test_context;
static test_context test_instance;
static void wait_task(rtems_task_argument arg)
{
(void) arg;
while (true) {
rtems_status_code sc;
sc = rtems_task_wake_after(1);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
}
static uint32_t simple_random(uint32_t v)
{
v *= 1664525;
v += 1013904223;
return v;
}
static void affinity_task(rtems_task_argument arg)
{
uint32_t v;
uint32_t n;
v = (uint32_t) arg;
n = rtems_get_processor_count();
while (true) {
rtems_status_code sc;
cpu_set_t set;
CPU_ZERO(&set);
CPU_SET((v >> 13) % n, &set);
v = simple_random(v);
sc = rtems_task_set_affinity(RTEMS_SELF, sizeof(set), &set);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
}
static void create_and_start_task(
test_context *ctx,
rtems_task_entry entry,
size_t i,
size_t j
)
{
rtems_status_code sc;
j = j * CPU_COUNT + i;
sc = rtems_task_create(
rtems_build_name('E', 'D', 'F', ' '),
i + 2,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&ctx->task_ids[j]
);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_start(ctx->task_ids[j], entry, j);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
static void delete_task(
test_context *ctx,
size_t i,
size_t j
)
{
rtems_status_code sc;
j = j * CPU_COUNT + i;
sc = rtems_task_delete(ctx->task_ids[j]);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
static void test(test_context *ctx)
{
rtems_status_code sc;
size_t i;
for (i = 0; i < CPU_COUNT; ++i) {
create_and_start_task(ctx, wait_task, i, 0);
create_and_start_task(ctx, affinity_task, i, 1);
create_and_start_task(ctx, affinity_task, i, 2);
}
sc = rtems_task_wake_after(10 * rtems_clock_get_ticks_per_second());
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
for (i = 0; i < CPU_COUNT; ++i) {
delete_task(ctx, i, 0);
delete_task(ctx, i, 1);
delete_task(ctx, i, 2);
}
}
static void Init(rtems_task_argument arg)
{
TEST_BEGIN();
test(&test_instance);
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_MICROSECONDS_PER_TICK 1000
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_MAXIMUM_TASKS (1 + TASK_COUNT)
#define CONFIGURE_MAXIMUM_PROCESSORS CPU_COUNT
#define CONFIGURE_SCHEDULER_EDF_SMP
#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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