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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 <rtems.h>
#include <rtems/profiling.h>
const char rtems_test_name[] = "SMPLOAD 1";
#define CPU_COUNT 32
#define WORKER_COUNT (3 * CPU_COUNT)
struct {
rtems_id sema_prio_inherit;
rtems_id sema_prio_ceiling;
} test_context;
static uint32_t simple_random(uint32_t v)
{
v *= 1664525;
v += 1013904223;
return v;
}
static void worker_task(rtems_task_argument arg)
{
uint32_t v = arg;
while (true) {
rtems_status_code sc;
rtems_id id;
v = simple_random(v);
if ((v & 0x80000000) != 0) {
id = test_context.sema_prio_inherit;
} else {
id = test_context.sema_prio_ceiling;
}
sc = rtems_semaphore_obtain(id, RTEMS_WAIT, RTEMS_NO_TIMEOUT);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_wake_after(1);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_semaphore_release(id);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
}
static void test(void)
{
uint32_t i;
rtems_status_code sc;
rtems_id id;
sc = rtems_semaphore_create(
rtems_build_name('I', 'N', 'H', 'R'),
1,
RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY | RTEMS_INHERIT_PRIORITY,
0,
&test_context.sema_prio_inherit
);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_semaphore_create(
rtems_build_name('C', 'E', 'I', 'L'),
1,
RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY | RTEMS_PRIORITY_CEILING,
2,
&test_context.sema_prio_ceiling
);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
for (i = 0; i < WORKER_COUNT; ++i) {
sc = rtems_task_create(
rtems_build_name('W', 'O', 'R', 'K'),
3 + i,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&id
);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
sc = rtems_task_start(id, worker_task, i);
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
sc = rtems_task_wake_after(10 * rtems_clock_get_ticks_per_second());
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
rtems_profiling_report_xml("SMPLOAD 1", rtems_printf_plugin, NULL, 1, " ");
}
static void Init(rtems_task_argument arg)
{
TEST_BEGIN();
test();
TEST_END();
rtems_test_exit(0);
}
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_SMP_APPLICATION
#define CONFIGURE_SMP_MAXIMUM_PROCESSORS CPU_COUNT
#define CONFIGURE_MAXIMUM_TASKS (1 + WORKER_COUNT)
#define CONFIGURE_MAXIMUM_SEMAPHORES 2
#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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