void *main_loop(void *ptr) { int i; int rv = 0; /* Thread exit code */ unsigned long long cnt1, cnt2; qres_sid_t sid; qres_params_t *params = (qres_params_t *) ptr; qos_log_debug("Creating QRES Server with Q=" QRES_TIME_FMT ", P=" QRES_TIME_FMT, params->Q, params->P); qos_chk_ok_exit(qres_create_server(params, &sid)); qos_chk_ok_exit(qres_attach_thread(sid, 0, 0)); cnt1 = count_and_wait(); for (i = 0; i < (int) (sizeof(target_ratios) / sizeof(*target_ratios)); i++) { double target_ratio = target_ratios[i]; double cnt2_exp, reldiff; params->Q = (qres_time_t) ((double) ORIG_Q * target_ratio); qos_log_debug("Changing QRES Parameters to Q=" QRES_TIME_FMT ", P=" QRES_TIME_FMT, params->Q, params->P); qos_chk_ok_exit(qres_set_params(sid, params)); cnt2_exp = target_ratio * cnt1; cnt2 = count_and_wait(); reldiff = (((double) cnt2) - cnt2_exp) / cnt2_exp; qos_log_debug("%d: reldiff=%02.2g%% / 100.00%%", i, reldiff*100); if (fabs(reldiff) > RATIO_TOLERANCE) { qos_log_err("Expecting to count %g while counted %llu (reldiff=%g)", cnt2_exp, cnt2, reldiff); qos_log_err("This is outside defined tolerance of %g", RATIO_TOLERANCE); rv = -1; } } qos_log_debug("Destroying QRES Server"); qos_chk_ok_exit(qres_destroy_server(sid)); pthread_exit((void *) (intptr_t) rv); }
rtems_task Task_Periodic( rtems_task_argument argument ) { rtems_id rmid; rtems_status_code status; time_t approved_budget, exec_time, abs_time, current_budget; int start, stop, now; qres_sid_t server_id, tsid; qres_params_t params, tparams; params.P = Period; params.Q = Execution+1; printf( "Periodic task: Create server and Attach thread\n" ); if ( qres_create_server( ¶ms, &server_id ) ) printf( "ERROR: CREATE SERVER FAILED\n" ); if ( qres_attach_thread( server_id, 0, Task_id ) ) printf( "ERROR: ATTACH THREAD FAILED\n" ); printf( "Periodic task: ID and Get parameters\n" ); if ( qres_get_sid( 0, Task_id, &tsid ) ) printf( "ERROR: GET SERVER ID FAILED\n" ); if ( tsid != server_id ) printf( "ERROR: SERVER ID MISMATCH\n" ); if ( qres_get_params( server_id, &tparams ) ) printf( "ERROR: GET PARAMETERS FAILED\n" ); if ( params.P != tparams.P || params.Q != tparams.Q ) printf( "ERROR: PARAMETERS MISMATCH\n" ); printf( "Periodic task: Detach thread and Destroy server\n" ); if ( qres_detach_thread( server_id, 0, Task_id ) ) printf( "ERROR: DETACH THREAD FAILED\n" ); if ( qres_destroy_server( server_id ) ) printf( "ERROR: DESTROY SERVER FAILED\n" ); if ( qres_create_server( ¶ms, &server_id ) ) printf( "ERROR: CREATE SERVER FAILED\n" ); printf( "Periodic task: Current budget and Execution time\n" ); if ( qres_get_curr_budget( server_id, ¤t_budget ) ) printf( "ERROR: GET REMAINING BUDGET FAILED\n" ); if ( current_budget != params.Q ) printf( "ERROR: REMAINING BUDGET MISMATCH\n" ); if ( qres_get_exec_time( server_id, &exec_time, &abs_time ) ) printf( "ERROR: GET EXECUTION TIME FAILED\n" ); printf( "Periodic task: Set parameters\n" ); if ( qres_attach_thread( server_id, 0, Task_id ) ) printf( "ERROR: ATTACH THREAD FAILED\n" ); params.P = Period * 2; params.Q = Execution * 2 +1; if ( qres_set_params( server_id, ¶ms ) ) printf( "ERROR: SET PARAMS FAILED\n" ); if ( qres_get_params( server_id, &tparams ) ) printf( "ERROR: GET PARAMS FAILED\n" ); if ( params.P != tparams.P || params.Q != tparams.Q ) printf( "ERROR: PARAMS MISMATCH\n" ); params.P = Period; params.Q = Execution+1; if ( qres_set_params( server_id, ¶ms ) ) printf( "ERROR: SET PARAMS FAILED\n" ); if ( qres_get_appr_budget( server_id, &approved_budget ) ) printf( "ERROR: GET APPROVED BUDGET FAILED\n" ); printf( "Periodic task: Approved budget\n" ); if ( approved_budget != params.Q ) 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 ); start = rtems_clock_get_ticks_since_boot(); printf( "P%" PRIdPTR "-S ticks:%d\n", argument, start ); if ( start > 4*Period+Phase ) break; /* stop */ /* active computing */ while(FOREVER) { now = rtems_clock_get_ticks_since_boot(); if ( now >= start + Execution ) break; if ( qres_get_exec_time( server_id, &exec_time, &abs_time ) ) printf( "ERROR: GET EXECUTION TIME FAILED\n" ); if ( qres_get_curr_budget( server_id, ¤t_budget) ) printf( "ERROR: GET CURRENT BUDGET FAILED\n" ); if ( (current_budget + exec_time) > (Execution + 1) ) { printf( "ERROR: CURRENT BUDGET AND EXECUTION TIME MISMATCH\n" ); rtems_test_exit( 0 ); } } stop = rtems_clock_get_ticks_since_boot(); 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 ); } if ( qres_cleanup() ) printf( "ERROR: QRES CLEANUP\n" ); fflush(stdout); TEST_END(); rtems_test_exit( 0 ); }
rtems_task Init( rtems_task_argument argument ) { rtems_status_code status; qres_sid_t server_id, server_id2; time_t approved_budget, exec_time, abs_time, current_budget; qres_params_t params, params1, params2, params3, params4; Priority = 30; Period = 30; Execution = 10; Phase = 0; params.P = 1; params.Q = 1; params1 = params2 = params3 = params4 = params; params1.Q = -1; params2.Q = SCHEDULER_EDF_PRIO_MSB + 1; params3.P = -1; params4.P = SCHEDULER_EDF_PRIO_MSB + 1; TEST_BEGIN(); status = rtems_task_create( rtems_build_name( 'P', 'T', '1', ' ' ), Priority, RTEMS_MINIMUM_STACK_SIZE * 4, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &Task_id ); directive_failed( status, "rtems_task_create loop" ); printf( "Init: Initializing the qres library\n" ); if ( qres_init() ) printf( "ERROR: QRES INITIALIZATION FAILED\n" ); /* Error checks for Create server and Destroy server */ printf( "Init: Create server and Destroy server\n" ); if ( qres_destroy_server( -5 ) != QOS_E_INVALID_PARAM ) printf( "ERROR: DESTROY SERVER PASSED UNEXPECTEDLY\n" ); if ( qres_destroy_server( 5 ) != QOS_E_INVALID_PARAM ) printf( "ERROR: DESTROY SERVER PASSED UNEXPECTEDLY\n" ); if ( qres_destroy_server( 0 ) != QOS_E_NOSERVER ) printf( "ERROR: DESTROY SERVER PASSED UNEXPECTEDLY\n" ); if ( qres_create_server( ¶ms1, &server_id ) != QOS_E_INVALID_PARAM ) printf( "ERROR: CREATE SERVER PASSED UNEXPECTEDLY\n" ); if ( qres_create_server( ¶ms2, &server_id ) != QOS_E_INVALID_PARAM ) printf( "ERROR: CREATE SERVER PASSED UNEXPECTEDLY\n" ); if ( qres_create_server( ¶ms3, &server_id ) != QOS_E_INVALID_PARAM ) printf( "ERROR: CREATE SERVER PASSED UNEXPECTEDLY\n" ); if ( qres_create_server( ¶ms4, &server_id ) != QOS_E_INVALID_PARAM ) printf( "ERROR: CREATE SERVER PASSED UNEXPECTEDLY\n" ); if ( qres_create_server( ¶ms, &server_id2 ) ) printf( "ERROR: CREATE SERVER FAILED\n" ); if ( qres_create_server( ¶ms, &server_id ) ) printf( "ERROR: CREATE SERVER FAILED\n" ); if ( qres_create_server( ¶ms, &server_id ) != QOS_E_FULL ) printf( "ERROR: CREATE SERVER PASSED UNEXPECTEDLY\n" ); /* Error checks for Attach thread and Detach thread */ printf( "Init: Attach thread\n" ); if ( qres_attach_thread( -5, 0, RTEMS_SELF ) != QOS_E_INVALID_PARAM ) printf( "ERROR: ATTACH THREAD PASSED UNEXPECTEDLY\n" ); if ( qres_attach_thread( 5, 0, RTEMS_SELF ) != QOS_E_INVALID_PARAM ) printf( "ERROR: ATTACH THREAD PASSED UNEXPECTEDLY\n" ); if ( qres_attach_thread( server_id, 0, 1234 ) != QOS_E_INVALID_PARAM ) printf( "ERROR: ATTACH THREAD PASSED UNEXPECTEDLY\n" ); if ( qres_attach_thread( server_id, 0, RTEMS_SELF ) ) printf( "ERROR: ATTACH THREAD FAILED\n" ); if ( qres_attach_thread( server_id, 0, RTEMS_SELF ) != QOS_E_FULL ) printf( "ERROR: ATTACH THREAD AGAIN PASSED UNEXPECTEDLY\n" ); if ( qres_attach_thread( server_id, 0, Task_id ) != QOS_E_FULL ) printf( "ERROR: ATTACH THREAD TO FULL SERVER PASSED UNEXPECTEDLY \n" ); if ( qres_destroy_server( server_id ) ) printf( "ERROR: DESTROY SERVER WITH THREAD ATTACHED FAILED\n" ); if ( qres_attach_thread( server_id, 0, RTEMS_SELF ) != QOS_E_NOSERVER ) printf( "ERROR: ATTACH THREAD PASSED UNEXPECTEDLY\n" ); printf( "Init: Detach thread\n" ); if ( qres_detach_thread( -5, 0, RTEMS_SELF ) != QOS_E_INVALID_PARAM ) printf( "ERROR: DETACH THREAD PASSED UNEXPECTEDLY\n" ); if ( qres_detach_thread( 5, 0, RTEMS_SELF ) != QOS_E_INVALID_PARAM ) printf( "ERROR: DETACH THREAD PASSED UNEXPECTEDLY\n" ); if ( qres_detach_thread( server_id2, 0, 1234 ) != QOS_E_INVALID_PARAM ) printf( "ERROR: DETACH THREAD PASSED UNEXPECTEDLY \n" ); if ( qres_detach_thread( server_id, 0, RTEMS_SELF ) != QOS_E_NOSERVER ) printf( "ERROR: DETACH THREAD PASSED UNEXPECTEDLY4\n" ); qres_destroy_server( server_id2 ); /* Error checks for Set params and Get params */ printf( "Init: Set params and Get params\n" ); if ( qres_set_params( -5, ¶ms ) != QOS_E_INVALID_PARAM ) printf( "ERROR: SET PARAMS PASSED UNEXPECTEDLY\n" ); if ( qres_set_params( 5, ¶ms ) != QOS_E_INVALID_PARAM ) printf( "ERROR: SET PARAMS PASSED UNEXPECTEDLY\n" ); if ( qres_set_params( server_id, ¶ms ) != QOS_E_NOSERVER ) printf( "ERROR: SET PARAMS PASSED UNEXPECTEDLY\n" ); if ( qres_get_params( -5, ¶ms ) != QOS_E_INVALID_PARAM ) printf( "ERROR: GET PARAMS PASSED UNEXPECTEDLY\n" ); if ( qres_get_params( 5, ¶ms ) != QOS_E_INVALID_PARAM ) printf( "ERROR: GET PARAMS PASSED UNEXPECTEDLY\n" ); if ( qres_get_params( server_id, ¶ms ) != QOS_E_NOSERVER ) printf( "ERROR: GET PARAMS PASSED UNEXPECTEDLY\n" ); if ( qres_set_params( server_id, ¶ms1 ) != QOS_E_INVALID_PARAM ) printf( "ERROR: SET PARAMS PASSED UNEXPECTEDLY\n" ); if ( qres_set_params( server_id, ¶ms2 ) != QOS_E_INVALID_PARAM ) printf( "ERROR: SET PARAMS PASSED UNEXPECTEDLY\n" ); if ( qres_set_params( server_id, ¶ms3 ) != QOS_E_INVALID_PARAM ) printf( "ERROR: SET PARAMS PASSED UNEXPECTEDLY\n" ); if ( qres_set_params( server_id, ¶ms4 ) != QOS_E_INVALID_PARAM ) printf( "ERROR: SET PARAMS PASSED UNEXPECTEDLY\n" ); /* Error checks for Get server id */ printf( "Init: Get server id\n" ); if ( qres_get_sid( 0, RTEMS_SELF, &server_id ) != QOS_E_NOSERVER ) printf( "ERROR: GET SERVER ID PASSED UNEXPECTEDLY\n" ); /* Error checks for Get approved budget */ printf( "Init: Get approved budget\n" ); if ( qres_get_appr_budget( -5, &approved_budget ) != QOS_E_INVALID_PARAM ) printf( "ERROR: GET APPROVED BUDGET PASSED UNEXPECTEDLY\n" ); if ( qres_get_appr_budget( 5, &approved_budget ) != QOS_E_INVALID_PARAM ) printf( "ERROR: GET APPROVED BUDGET PASSED UNEXPECTEDLY\n" ); if ( qres_get_appr_budget( server_id, &approved_budget ) != QOS_E_NOSERVER ) printf( "ERROR: GET APPROVED BUDGET PASSED UNEXPECTEDLY\n" ); /* Error checks for Get current budget */ printf( "Init: Get current budget\n" ); if ( qres_get_curr_budget( -5, ¤t_budget ) != QOS_E_INVALID_PARAM ) printf( "ERROR: GET REMAINING BUDGET PASSED UNEXPECTEDLY\n" ); if ( qres_get_curr_budget( 5, ¤t_budget ) != QOS_E_INVALID_PARAM ) printf( "ERROR: GET REMAINING BUDGET PASSED UNEXPECTEDLY\n" ); if ( qres_get_curr_budget( server_id, ¤t_budget ) != QOS_E_NOSERVER ) printf( "ERROR: GET REMAINING BUDGET PASSED UNEXPECTEDLY\n" ); /* Error checks for Get execution time */ printf( "Init: Get execution time\n" ); if ( qres_get_exec_time( -5, &exec_time, &abs_time ) != QOS_E_INVALID_PARAM ) printf( "ERROR: GET EXECUTION TIME PASSED UNEXPECTEDLY\n" ); if ( qres_get_exec_time( 5, &exec_time, &abs_time ) != QOS_E_INVALID_PARAM ) printf( "ERROR: GET EXECUTION TIME PASSED UNEXPECTEDLY\n" ); if ( qres_get_exec_time( server_id, &exec_time, &abs_time ) != QOS_E_NOSERVER ) printf( "ERROR: GET EXECUTION TIME PASSED UNEXPECTEDLY\n" ); /* Restart QRES library */ printf( "Init: Cleaning up QRES\n" ); if ( qres_cleanup() ) printf( "ERROR: QRES CLEANUP FAILED\n" ); printf( "Init: Initializing the QRES\n" ); if ( qres_init() ) printf( "ERROR: QRES INITIALIZATION FAILED\n" ); /* Start periodic task */ printf( "Init: Starting periodic task\n" ); status = rtems_task_start( Task_id, Task_Periodic, 1 ); directive_failed( status, "rtems_task_start periodic" ); status = rtems_task_delete( RTEMS_SELF ); directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); }