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/*
* 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 5";
rtems_id Task_id[OPERATION_COUNT+1];
uint32_t Task_index;
rtems_task High_task(
rtems_task_argument argument
);
rtems_task Middle_tasks(
rtems_task_argument argument
);
rtems_task Low_task(
rtems_task_argument argument
);
extern void test_init(void);
int operation_count = OPERATION_COUNT;
rtems_task Init(
rtems_task_argument argument
)
{
rtems_status_code status;
Print_Warning();
TEST_BEGIN();
test_init();
status = rtems_task_delete( RTEMS_SELF );
directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
void test_init(void)
{
rtems_status_code status;
rtems_task_entry task_entry;
rtems_task_priority priority;
uint32_t index;
priority = RTEMS_MAXIMUM_PRIORITY - 1;
if ( OPERATION_COUNT > RTEMS_MAXIMUM_PRIORITY - 2 )
operation_count = RTEMS_MAXIMUM_PRIORITY - 2;
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[ index ]
);
directive_failed( status, "rtems_task_create loop" );
priority--;
if ( index==0 ) task_entry = Low_task;
else if ( index==operation_count ) task_entry = High_task;
else task_entry = Middle_tasks;
status = rtems_task_start( Task_id[ index ], task_entry, 0 );
directive_failed( status, "rtems_task_start loop" );
}
}
rtems_task High_task(
rtems_task_argument argument
)
{
benchmark_timer_initialize();
(void) rtems_task_suspend( RTEMS_SELF );
end_time = benchmark_timer_read();
put_time(
"rtems_task_resume: task readied preempts caller",
end_time,
operation_count,
0,
CALLING_OVERHEAD_TASK_RESUME
);
TEST_END();
rtems_test_exit( 0 );
}
rtems_task Middle_tasks(
rtems_task_argument argument
)
{
(void) rtems_task_suspend( RTEMS_SELF );
Task_index++;
(void) rtems_task_resume( Task_id[ Task_index ] );
}
rtems_task Low_task(
rtems_task_argument argument
)
{
end_time = benchmark_timer_read();
put_time(
"rtems_task_suspend: calling task",
end_time,
operation_count,
0,
CALLING_OVERHEAD_TASK_SUSPEND
);
Task_index = 1;
benchmark_timer_initialize();
(void) rtems_task_resume( Task_id[ Task_index ] );
}
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