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/* Tasks_Periodic
*
* This routine serves as a test task for the CBS scheduler
* implementation.
*
* Input parameters:
* argument - task argument
*
* Output parameters: NONE
*
* 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 "system.h"
rtems_task Task_Periodic(
rtems_task_argument argument
)
{
rtems_id rmid;
rtems_status_code status;
time_t approved_budget, exec_time, abs_time, remaining_budget;
int start, stop, now;
rtems_cbs_server_id server_id = 0, tsid;
rtems_cbs_parameters params, tparams;
params.deadline = Period;
params.budget = Execution+1;
/* Taks 1 will be attached to a server, task 2 not. */
if ( argument == 1 ) {
printf( "Periodic task: Create server and Attach thread\n" );
if ( rtems_cbs_create_server( ¶ms, NULL, &server_id ) )
printf( "ERROR: CREATE SERVER FAILED\n" );
if ( rtems_cbs_attach_thread( server_id, Task_id ) )
printf( "ERROR: ATTACH THREAD FAILED\n" );
printf( "Periodic task: ID and Get parameters\n" );
if ( rtems_cbs_get_server_id( Task_id, &tsid ) )
printf( "ERROR: GET SERVER ID FAILED\n" );
if ( tsid != server_id )
printf( "ERROR: SERVER ID MISMATCH\n" );
if ( rtems_cbs_get_parameters( server_id, &tparams ) )
printf( "ERROR: GET PARAMETERS FAILED\n" );
if ( params.deadline != tparams.deadline ||
params.budget != tparams.budget )
printf( "ERROR: PARAMETERS MISMATCH\n" );
printf( "Periodic task: Detach thread and Destroy server\n" );
if ( rtems_cbs_detach_thread( server_id, Task_id ) )
printf( "ERROR: DETACH THREAD FAILED\n" );
if ( rtems_cbs_destroy_server( server_id ) )
printf( "ERROR: DESTROY SERVER FAILED\n" );
if ( rtems_cbs_create_server( ¶ms, NULL, &server_id ) )
printf( "ERROR: CREATE SERVER FAILED\n" );
printf( "Periodic task: Remaining budget and Execution time\n" );
if ( rtems_cbs_get_remaining_budget( server_id, &remaining_budget ) )
printf( "ERROR: GET REMAINING BUDGET FAILED\n" );
if ( remaining_budget != params.budget )
printf( "ERROR: REMAINING BUDGET MISMATCH\n" );
if ( rtems_cbs_get_execution_time( server_id, &exec_time, &abs_time ) )
printf( "ERROR: GET EXECUTION TIME FAILED\n" );
printf( "Periodic task: Set parameters\n" );
if ( rtems_cbs_attach_thread( server_id, Task_id ) )
printf( "ERROR: ATTACH THREAD FAILED\n" );
params.deadline = Period * 2;
params.budget = Execution * 2 +1;
if ( rtems_cbs_set_parameters( server_id, ¶ms ) )
printf( "ERROR: SET PARAMS FAILED\n" );
if ( rtems_cbs_get_parameters( server_id, &tparams ) )
printf( "ERROR: GET PARAMS FAILED\n" );
if ( params.deadline != tparams.deadline ||
params.budget != tparams.budget )
printf( "ERROR: PARAMS MISMATCH\n" );
params.deadline = Period;
params.budget = Execution+1;
if ( rtems_cbs_set_parameters( server_id, ¶ms ) )
printf( "ERROR: SET PARAMS FAILED\n" );
if ( rtems_cbs_get_approved_budget( server_id, &approved_budget ) )
printf( "ERROR: GET APPROVED BUDGET FAILED\n" );
printf( "Periodic task: Approved budget\n" );
if ( approved_budget != params.budget )
printf( "ERROR: APPROVED BUDGET MISMATCH\n" );
}
status = rtems_rate_monotonic_create( argument, &rmid );
directive_failed( status, "rtems_rate_monotonic_create" );
/* Starting periodic behavior of the task */
printf( "Periodic task: Starting periodic behavior\n" );
status = rtems_task_wake_after( 1 + Phase );
directive_failed( status, "rtems_task_wake_after" );
while ( FOREVER ) {
if ( rtems_rate_monotonic_period(rmid, Period) == RTEMS_TIMEOUT )
printf( "P%" PRIdPTR " - Deadline miss\n", argument );
rtems_clock_get( RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &start );
printf( "P%" PRIdPTR "-S ticks:%d\n", argument, start );
if ( start > 4*Period+Phase ) break; /* stop */
/* active computing */
while(FOREVER) {
rtems_clock_get( RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &now );
if ( now >= start + Execution ) break;
if ( server_id != 0 ) {
if ( rtems_cbs_get_execution_time( server_id, &exec_time, &abs_time ) )
printf( "ERROR: GET EXECUTION TIME FAILED\n" );
if ( rtems_cbs_get_remaining_budget( server_id, &remaining_budget) )
printf( "ERROR: GET REMAINING BUDGET FAILED\n" );
if ( (remaining_budget + exec_time) > (Execution + 1) ) {
printf( "ERROR: REMAINING BUDGET AND EXECUTION TIME MISMATCH\n" );
rtems_test_exit( 0 );
}
}
}
rtems_clock_get( RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &stop );
printf( "P%" PRIdPTR "-F ticks:%d\n", argument, stop );
}
/* delete period and SELF */
status = rtems_rate_monotonic_delete( rmid );
if ( status != RTEMS_SUCCESSFUL ) {
printf("rtems_rate_monotonic_delete failed with status of %d.\n", status);
rtems_test_exit( 0 );
}
printf( "Periodic task: Deleting self\n" );
status = rtems_task_delete( RTEMS_SELF );
directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
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