/*
* 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.
*/
#if !defined(OPERATION_COUNT)
#define OPERATION_COUNT 100
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/btimer.h>
#define CONFIGURE_INIT
#include "system.h"
const char rtems_test_name[] = "TIME TEST 8";
rtems_id Test_task_id;
rtems_task test_task(
rtems_task_argument argument
);
rtems_task test_task1(
rtems_task_argument argument
);
void test_init(void);
rtems_task Init(
rtems_task_argument argument
)
{
Print_Warning();
TEST_BEGIN();
test_init();
rtems_task_exit();
}
void test_init(void)
{
rtems_status_code status;
status = rtems_task_create(
1,
(RTEMS_MAXIMUM_PRIORITY / 2u) + 1u,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&Test_task_id
);
directive_failed( status, "rtems_task_create" );
status = rtems_task_start( Test_task_id, test_task, 0 );
directive_failed( status, "rtems_task_start" );
status = rtems_task_create(
1,
RTEMS_MAXIMUM_PRIORITY - 1u,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&Test_task_id
);
directive_failed( status, "rtems_task_create" );
status = rtems_task_start( Test_task_id, test_task1, 0 );
directive_failed( status, "rtems_task_start" );
}
rtems_task test_task(
rtems_task_argument argument
)
{
rtems_status_code status;
uint32_t index;
rtems_task_priority old_priority;
rtems_time_of_day time;
rtems_mode old_mode;
rtems_mode desired_mode;
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_task_set_priority(
Test_task_id,
RTEMS_CURRENT_PRIORITY,
&old_priority
);
end_time = benchmark_timer_read();
put_time(
"rtems_task_set_priority: obtain current priority",
end_time,
OPERATION_COUNT,
overhead,
0
);
benchmark_timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_task_set_priority(
Test_task_id,
RTEMS_MAXIMUM_PRIORITY - 2u,
&old_priority
);
end_time = benchmark_timer_read();
put_time(
"rtems_task_set_priority: returns to caller",
end_time,
OPERATION_COUNT,
overhead,
0
);
benchmark_timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_task_mode(
RTEMS_CURRENT_MODE,
RTEMS_CURRENT_MODE,
&old_mode
);
end_time = benchmark_timer_read();
put_time(
"rtems_task_mode: obtain current mode",
end_time,
OPERATION_COUNT,
overhead,
0
);
desired_mode = old_mode;
benchmark_timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ ) {
(void) rtems_task_mode(
RTEMS_TIMESLICE_MASK,
desired_mode,
&old_mode
);
(void) rtems_task_mode(
RTEMS_TIMESLICE_MASK,
desired_mode,
&old_mode
);
}
end_time = benchmark_timer_read();
put_time(
"rtems_task_mode: no reschedule",
end_time,
OPERATION_COUNT * 2,
overhead,
0
);
benchmark_timer_initialize(); /* must be one host */
(void) rtems_task_mode( RTEMS_NO_ASR, RTEMS_ASR_MASK, &old_mode );
end_time = benchmark_timer_read();
put_time(
"rtems_task_mode: reschedule returns to caller",
end_time,
1,
0,
0
);
status = rtems_task_mode( RTEMS_NO_PREEMPT, RTEMS_PREEMPT_MASK, &old_mode );
directive_failed( status, "rtems_task_mode" );
status = rtems_task_set_priority( Test_task_id, 1, &old_priority );
directive_failed( status, "rtems_task_set_priority" );
/* preempted by test_task1 */
benchmark_timer_initialize();
(void) rtems_task_mode( RTEMS_PREEMPT, RTEMS_PREEMPT_MASK, &old_mode );
build_time( &time, 1, 1, 1988, 0, 0, 0, 0 );
benchmark_timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_clock_set( &time );
end_time = benchmark_timer_read();
put_time(
"rtems_clock_set: only case",
end_time,
OPERATION_COUNT,
overhead,
0
);
benchmark_timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_clock_get_tod( &time );
end_time = benchmark_timer_read();
put_time(
"rtems_clock_get_tod: only case",
end_time,
OPERATION_COUNT,
overhead,
0
);
TEST_END();
rtems_test_exit( 0 );
}
rtems_task test_task1(
rtems_task_argument argument
)
{
end_time = benchmark_timer_read();
put_time(
"rtems_task_mode: reschedule -- preempts caller",
end_time,
1,
0,
0
);
(void) rtems_task_suspend( RTEMS_SELF );
}