/*
*
* COPYRIGHT (c) 1989-1999.
* 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.com/license/LICENSE.
*
* $Id$
*/
#define TEST_INIT
#include "system.h"
rtems_id Semaphore_id;
rtems_id Task_id[OPERATION_COUNT+1];
uint32_t task_count;
rtems_id Highest_id;
rtems_task Low_tasks(
rtems_task_argument argument
);
rtems_task High_task(
rtems_task_argument argument
);
rtems_task Restart_task(
rtems_task_argument argument
);
void test_init();
rtems_task Init(
rtems_task_argument argument
)
{
rtems_status_code status;
Print_Warning();
puts( "\n\n*** TIME TEST 4 ***" );
test_init();
status = rtems_task_delete( RTEMS_SELF );
directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
void test_init()
{
rtems_status_code status;
uint32_t index;
task_count = OPERATION_COUNT;
for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) {
status = rtems_task_create(
rtems_build_name( 'T', 'I', 'M', 'E' ),
10,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_NO_PREEMPT,
RTEMS_DEFAULT_ATTRIBUTES,
&Task_id[ index ]
);
directive_failed( status, "rtems_task_create loop" );
status = rtems_task_start( Task_id[ index ], Low_tasks, 0 );
directive_failed( status, "rtems_task_start loop" );
}
status = rtems_semaphore_create(
rtems_build_name( 'S', 'M', '1', ' ' ),
0,
RTEMS_DEFAULT_ATTRIBUTES,
RTEMS_NO_PRIORITY,
&Semaphore_id
);
directive_failed( status, "rtems_semaphore_create of SM1" );
}
rtems_task Highest_task(
rtems_task_argument argument
)
{
rtems_task_priority old_priority;
rtems_status_code status;
if ( argument == 1 ) {
end_time = Read_timer();
put_time(
"rtems_task_restart: blocked task -- preempts caller",
end_time,
1,
0,
CALLING_OVERHEAD_TASK_RESTART
);
status = rtems_task_set_priority(
RTEMS_CURRENT_PRIORITY,
254,
&old_priority
);
directive_failed( status, "rtems_task_set_priority" );
} else if ( argument == 2 ) {
end_time = Read_timer();
put_time(
"rtems_task_restart: ready task -- preempts caller",
end_time,
1,
0,
CALLING_OVERHEAD_TASK_RESTART
);
status = rtems_task_delete( RTEMS_SELF );
directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
} else
(void) rtems_semaphore_obtain(
Semaphore_id,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
}
rtems_task High_task(
rtems_task_argument argument
)
{
rtems_status_code status;
uint32_t index;
rtems_name name;
rtems_task_priority old_priority;
Timer_initialize();
(void) rtems_task_restart( Highest_id, 1 );
/* preempted by Higher_task */
Timer_initialize();
(void) rtems_task_restart( Highest_id, 2 );
/* preempted by Higher_task */
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) Empty_function();
overhead = Read_timer();
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
rtems_semaphore_release( Semaphore_id );
end_time = Read_timer();
put_time(
"rtems_semaphore_release: task readied -- returns to caller",
end_time,
OPERATION_COUNT,
0,
CALLING_OVERHEAD_SEMAPHORE_RELEASE
);
name = rtems_build_name( 'T', 'I', 'M', 'E' );
for ( index=1 ; index <= OPERATION_COUNT ; index++ ) {
status = rtems_task_delete( Task_id[index] );
directive_failed( status, "rtems_task_delete" );
}
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
rtems_task_create(
name,
10,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_NO_PREEMPT,
RTEMS_DEFAULT_ATTRIBUTES,
&Task_id[ index ]
);
end_time = Read_timer();
put_time(
"rtems_task_create",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_TASK_CREATE
);
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
rtems_task_start( Task_id[ index ], Low_tasks, 0 );
end_time = Read_timer();
put_time(
"rtems_task_start",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_TASK_START
);
for ( index=1 ; index <= OPERATION_COUNT ; index++ ) {
status = rtems_task_delete( Task_id[ index ] );
directive_failed( status, "rtems_task_delete" );
}
for ( index=1 ; index <= OPERATION_COUNT ; index++ ) {
status = rtems_task_create(
name,
250,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_NO_PREEMPT,
RTEMS_DEFAULT_ATTRIBUTES,
&Task_id[ index ]
);
directive_failed( status, "rtems_task_create LOOP" );
status = rtems_task_start( Task_id[ index ], Restart_task, 0 );
directive_failed( status, "rtems_task_start LOOP" );
status = rtems_task_suspend( Task_id[ index ] );
directive_failed( status, "rtems_task_suspend LOOP" );
}
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_task_restart( Task_id[ index ], 0 );
end_time = Read_timer();
put_time(
"rtems_task_restart: suspended task -- returns to caller",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_TASK_RESTART
);
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_task_suspend( Task_id[ index ] );
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_task_delete( Task_id[ index ] );
end_time = Read_timer();
put_time(
"rtems_task_delete: suspended task",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_TASK_DELETE
);
for ( index=1 ; index <= OPERATION_COUNT ; index++ ) {
status = rtems_task_create(
name,
250,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&Task_id[ index ]
);
directive_failed( status, "rtems_task_create LOOP" );
status = rtems_task_start( Task_id[ index ], Restart_task, 0 );
directive_failed( status, "rtems_task_start LOOP" );
}
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_task_restart( Task_id[ index ], 1 );
end_time = Read_timer();
put_time(
"rtems_task_restart: ready task -- returns to caller",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_TASK_RESTART
);
for ( index=1 ; index <= OPERATION_COUNT ; index++ ) {
status = rtems_task_set_priority( Task_id[ index ], 5, &old_priority );
directive_failed( status, "rtems_task_set_priority loop" );
}
/* yield processor -- tasks block */
status = rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
directive_failed( status, "rtems_task_wake_after" );
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_task_restart( Task_id[ index ], 1 );
end_time = Read_timer();
put_time(
"rtems_task_restart: blocked task -- returns to caller",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_TASK_RESTART
);
/* yield processor -- tasks block */
status = rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
directive_failed( status, "rtems_task_wake_after" );
Timer_initialize();
for ( index=1 ; index <= OPERATION_COUNT ; index++ )
(void) rtems_task_delete( Task_id[ index ] );
end_time = Read_timer();
put_time(
"rtems_task_delete: blocked task",
end_time,
OPERATION_COUNT,
overhead,
CALLING_OVERHEAD_TASK_DELETE
);
puts( "*** END OF TEST 4 ***" );
rtems_test_exit( 0 );
}
rtems_task Low_tasks(
rtems_task_argument argument
)
{
rtems_id id;
rtems_status_code status;
task_count--;
if ( task_count == 0 ) {
status = rtems_task_create(
rtems_build_name( 'H', 'I', ' ', ' ' ),
5,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&id
);
directive_failed( status, "rtems_task_create HI" );
status = rtems_task_start( id, High_task, 0 );
directive_failed( status, "rtems_task_start HI" );
status = rtems_task_create(
rtems_build_name( 'H', 'I', 'G', 'H' ),
3,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&Highest_id
);
directive_failed( status, "rtems_task_create HIGH" );
status = rtems_task_start( Highest_id, Highest_task, 0 );
directive_failed( status, "rtems_task_start HIGH" );
}
(void) rtems_semaphore_obtain(
Semaphore_id,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
}
rtems_task Restart_task(
rtems_task_argument argument
)
{
if ( argument == 1 )
(void) rtems_semaphore_obtain(
Semaphore_id,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
}