diff options
Diffstat (limited to 'testsuites/sptests/spedfsched04/init.c')
| -rw-r--r-- | testsuites/sptests/spedfsched04/init.c | 139 |
1 files changed, 112 insertions, 27 deletions
diff --git a/testsuites/sptests/spedfsched04/init.c b/testsuites/sptests/spedfsched04/init.c index b1401e6709..f80883d31d 100644 --- a/testsuites/sptests/spedfsched04/init.c +++ b/testsuites/sptests/spedfsched04/init.c @@ -1,7 +1,19 @@ /** - * @file spedfsched04/init.c + * @brief A heuristic example to demonstrate how the postponed jobs are handled. * - * @brief A init task body for spedfsched04 example. + * Given two tasks with implicit deadline under EDF policy. + * Task 1 has (4, 5) and task 2 has (4, 6), where (execution time, period/deadline). + * For the simplicity, we only execute the first task twice. + * In the original implementation in v4.11, no matter how many periods are + * expired, only one job will be released with a shifted deadline assignment. + * + * In this example, the first job of task 2 will be blocked by the second job + * of task 1, so that there at least one following job is postponed. + * Due to overhead/delay, the second following job will be postponed as well. + * + * If the overrun handling is correct, the period of task 2 changes back to + * normal status at time 22. + * Otherwise, the release time of job 3 is no longer periodic. * */ @@ -17,54 +29,127 @@ #include "config.h" #endif -#define CONFIGURE_INIT -#include "system.h" +#include <rtems/cpuuse.h> +#include <rtems/counter.h> -#include <rtems/rtems/tasksimpl.h> -#include <rtems/test.h> -#include <rtems/status-checks.h> +#include <stdio.h> +#include <inttypes.h> -const char rtems_test_name[] = "SPEDFSCHED 4 - Overrun Test"; +#include "tmacros.h" -/* Global variables */ -rtems_id Task_id[ 2 ]; /* array of task ids */ -rtems_name Task_name[ 2 ]; /* array of task names */ -uint32_t tick_per_second; /* time reference */ -int testnumber = 5; /* stop condition */ +const char rtems_test_name[] = "SPEDFSCHED 4"; -rtems_task_priority Prio[ 3 ] = { 0, 2, 5 }; +static const uint32_t Periods[] = { 5000, 6000 }; +static const uint32_t Iterations[] = { 4000, 4000 }; +static const rtems_name Task_name[] = { + rtems_build_name( 'T', 'A', '1', ' ' ), + rtems_build_name( 'T', 'A', '2', ' ' ) +}; +static const rtems_task_priority Prio[3] = { 2, 5 }; +static const uint32_t testnumber = 11; /* stop condition */ -rtems_task Init( - rtems_task_argument argument +static uint32_t tsk_counter[] = { 0, 0 }; +static rtems_id Task_id[ 2 ]; + +/** + * @brief Task body + */ +static rtems_task Task( + rtems_task_argument argument ) { - uint32_t index; - TEST_BEGIN(); rtems_status_code status; + rtems_id RM_period; + rtems_id selfid=rtems_task_self(); + uint32_t start, end, flag=0, index; + rtems_counter_ticks t0; + + t0 = rtems_counter_nanoseconds_to_ticks( 1000000 ); //1ms ticks counter + /*create period*/ + status = rtems_rate_monotonic_create( Task_name[ argument ], &RM_period ); + directive_failed( status, "rtems_rate_monotonic_create" ); + while ( FOREVER ) { + status = rtems_rate_monotonic_period( RM_period, Periods[ argument ] ); + if( flag == 0 && status == RTEMS_TIMEOUT ){ + flag = 1; + printf( "RTEMS_TIMEOUT\n" ); + } else if ( flag == 1 && status == RTEMS_SUCCESSFUL ) { + flag = 0; + printf( "RTEMS_SUCCESSFUL\n" ); + } - tick_per_second = rtems_clock_get_ticks_per_second(); - printf( "\nTicks per second in your system: %" PRIu32 "\n", tick_per_second ); + start = rtems_clock_get_ticks_since_boot(); + printf( "Job %" PRIu32 " Task %" PRIuPTR " starts at tick %" PRIu32 ".\n", tsk_counter[ argument ]+1, argument, start ); + for( index = 0; index < Iterations[ argument ]; index++ ){ + rtems_counter_delay_ticks( t0 ); + } + end = rtems_clock_get_ticks_since_boot(); + printf( " Job %" PRIu32" Task %" PRIuPTR " ends at tick %" PRIu32".\n", tsk_counter[ argument ]+1, argument, end ); + if( argument == 1 ){ + if( tsk_counter[ argument ] == testnumber ){ + TEST_END(); + status = rtems_rate_monotonic_delete( RM_period ); + directive_failed( status, "rtems_rate_monotonic_delete" ); + rtems_test_exit( 0 ); + } + } - Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' ); - Task_name[ 2 ] = rtems_build_name( 'T', 'A', '2', ' ' ); + tsk_counter[ argument ]+=1; + if ( argument == 0 ){ + if( tsk_counter[ argument ] == 2 ){ + status = rtems_rate_monotonic_delete( RM_period ); + directive_failed( status, "rtems_rate_monotonic_delete" ); + status = rtems_task_delete( selfid ); + directive_failed( status, "rtems_task_delete" ); + } + } + } +} + +static rtems_task Init( + rtems_task_argument argument +) +{ + uint32_t index; + rtems_status_code status; + + TEST_BEGIN(); + + printf( "\nTicks per second in your system: %" PRIu32 "\n", rtems_clock_get_ticks_per_second() ); /* Create two tasks */ - for ( index = 1; index <= 2; index++ ){ + for ( index = 0; index < RTEMS_ARRAY_SIZE(Task_name); ++index ){ status = rtems_task_create( - Task_name[ index ], Prio[ index ], RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, + Task_name[ index ], Prio[index], RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ index ] ); directive_failed( status, "rtems_task_create loop" ); } + /* After creating the periods for tasks, start to run them sequencially. */ - for ( index = 1; index <= 2; index++ ){ + for ( index = 0; index < RTEMS_ARRAY_SIZE(Task_name); ++index ){ status = rtems_task_start( Task_id[ index ], Task, index); - directive_failed( status, "rtems_task_start loop" ); + directive_failed( status, "rtems_task_start loop"); } - status = rtems_task_delete( RTEMS_SELF ); directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); } +#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER +#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER +#define CONFIGURE_MICROSECONDS_PER_TICK 1000 +#define CONFIGURE_MAXIMUM_TASKS 3 +#define CONFIGURE_MAXIMUM_PERIODS 2 + +#define CONFIGURE_RTEMS_INIT_TASKS_TABLE + +#define CONFIGURE_SCHEDULER_EDF + +#define CONFIGURE_INITIAL_EXTENSIONS \ + RTEMS_TEST_INITIAL_EXTENSION + +#define CONFIGURE_INIT + +#include <rtems/confdefs.h> |