/*
* COPYRIGHT (c) 1989-2013.
* On-Line Applications Research Corporation (OAR).
*
* 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
#define CONFIGURE_INIT
#include "system.h"
const char rtems_test_name[] = "TIME TEST 14";
rtems_id Queue_id;
long Buffer[4];
rtems_task test_init(
rtems_task_argument argument
);
rtems_task High_task(
rtems_task_argument argument
);
rtems_task Low_tasks(
rtems_task_argument argument
);
#define MESSAGE_SIZE (sizeof(long) * 4)
int operation_count = OPERATION_COUNT;
rtems_task Init(
rtems_task_argument argument
)
{
rtems_id task_id;
rtems_status_code status;
Print_Warning();
TEST_BEGIN();
status = rtems_task_create(
1,
RTEMS_MAXIMUM_PRIORITY - 1u,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id
);
directive_failed( status, "rtems_task_create" );
status = rtems_task_start( task_id, test_init, 0 );
directive_failed( status, "rtems_task_start" );
status = rtems_task_delete( RTEMS_SELF );
directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
rtems_task test_init(
rtems_task_argument argument
)
{
int index;
rtems_task_entry task_entry;
rtems_task_priority priority;
rtems_id task_id;
rtems_status_code status;
status = rtems_message_queue_create(
rtems_build_name( 'M', 'Q', '1', ' ' ),
OPERATION_COUNT,
MESSAGE_SIZE,
RTEMS_DEFAULT_ATTRIBUTES,
&Queue_id
);
directive_failed( status, "rtems_message_queue_create" );
priority = RTEMS_MAXIMUM_PRIORITY - 2u;
if ( OPERATION_COUNT > RTEMS_MAXIMUM_PRIORITY - 2u )
operation_count = (int) (RTEMS_MAXIMUM_PRIORITY - 2u);
for( index = 0; index < operation_count ; index++ ) {
status = rtems_task_create(
rtems_build_name( 'T', 'I', 'M', 'E' ),
priority,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id
);
directive_failed( status, "rtems_task_create LOOP" );
priority--;
if ( index==operation_count-1 ) task_entry = High_task;
else task_entry = Low_tasks;
status = rtems_task_start( task_id, task_entry, 0 );
directive_failed( status, "rtems_task_start LOOP" );
}
}
rtems_task High_task(
rtems_task_argument argument
)
{
int index;
benchmark_timer_initialize();
for ( index=1 ; index < operation_count ; index++ )
(void) benchmark_timer_empty_function();
overhead = benchmark_timer_read();
benchmark_timer_initialize();
for ( index=1 ; index <= operation_count ; index++ )
(void) rtems_message_queue_urgent( Queue_id, Buffer, MESSAGE_SIZE );
end_time = benchmark_timer_read();
put_time(
"rtems_message_queue_urgent: task readied returns to caller",
end_time,
operation_count,
overhead,
CALLING_OVERHEAD_MESSAGE_QUEUE_URGENT
);
TEST_END();
rtems_test_exit( 0 );
}
rtems_task Low_tasks(
rtems_task_argument argument
)
{
size_t size;
(void) rtems_message_queue_receive(
Queue_id,
(long (*)[4]) Buffer,
&size,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
}