sptests/sprmsched02/init.c

0001 /*
0002  *  COPYRIGHT (c) 2017 Kuan-Hsun Chen.
0003  *
0004  *  The license and distribution terms for this file may be
0005  *  found in the file LICENSE in this distribution or at
0006  *  http://www.rtems.org/license/LICENSE.
0007  */
0008
0009 #ifdef HAVE_CONFIG_H
0010 #include "config.h"
0011 #endif
0012
0013 #include <rtems/cpuuse.h>
0014 #include <tmacros.h>
0015 #include <rtems/rtems/ratemonimpl.h>
0016 #include "test_support.h"
0017
0018 const char rtems_test_name[] = "SPRMSCHED 2";
0019
0020 /* forward declarations to avoid warnings */
0021 rtems_task Init( rtems_task_argument argument );
0022 static void modify_count( rtems_id id );
0023
0024 static void modify_count(
0025   rtems_id            id
0026 )
0027 {
0028   Rate_monotonic_Control                  *the_period;
0029   ISR_lock_Context                        lock_context;
0030
0031   the_period = _Rate_monotonic_Get( id, &lock_context );
0032   _Rate_monotonic_Acquire_critical( the_period, &lock_context );
0033   the_period->postponed_jobs = UINT32_MAX;
0034   _Rate_monotonic_Release( the_period, &lock_context );
0035 }
0036
0037 rtems_task Init(
0038   rtems_task_argument argument
0039 )
0040 {
0041   rtems_id                                period_id;
0042   rtems_name                              period_name;
0043   rtems_rate_monotonic_period_status      period_status;
0044   rtems_status_code                       status;
0045   int                                     i;
0046
0047   period_name = rtems_build_name('P','E','R','1');
0048
0049   TEST_BEGIN();
0050
0051   /* create period */
0052   status = rtems_rate_monotonic_create(
0053       period_name,
0054       &period_id
0055   );
0056   directive_failed( status, "rate_monotonic_create" );
0057
0058   /* modify the count to UINT32_MAX and attempt to miss deadline*/
0059   puts( "Testing overflow condition" );
0060   rtems_test_spin_until_next_tick();
0061   status = rtems_rate_monotonic_period( period_id, 50 );
0062   directive_failed( status, "rate_monotonic_period above loop" );
0063
0064   puts( "Modify the count of postponed_job manually" );
0065   modify_count( period_id );
0066
0067   /* Check the status */
0068   status = rtems_rate_monotonic_get_status( period_id, &period_status );
0069   directive_failed( status, "rate_monotonic_get_status" );
0070   printf( "Init Postponed jobs = %"PRIu32", and expected %"PRIu32"\n", period_status.postponed_jobs_count, UINT32_MAX );
0071   rtems_test_assert( period_status.postponed_jobs_count == UINT32_MAX );
0072
0073   for ( i=1 ; i <= 2 ; i++ ) {
0074     status = rtems_task_wake_after( 100 );
0075     directive_failed( status, "rtems_task_wake_after(100)" );
0076     puts( "Task misses its deadline." );
0077
0078     /* Check the status */
0079     status = rtems_rate_monotonic_get_status( period_id, &period_status );
0080     directive_failed( status, "rate_monotonic_get_status" );
0081
0082     /* print out the count which should keep in UINT32_MAX, since the period still misses its deadline */
0083     printf( "Count = %"PRIu32", and expected %"PRIu32"\n", period_status.postponed_jobs_count, UINT32_MAX);
0084     rtems_test_assert( period_status.postponed_jobs_count == UINT32_MAX);
0085
0086     rtems_test_spin_until_next_tick();
0087     status = rtems_rate_monotonic_period( period_id, 50 );
0088     fatal_directive_status(
0089       status,
0090       RTEMS_TIMEOUT,
0091       "rtems_rate_monotonic_period 2-n"
0092     );
0093
0094
0095   }
0096
0097   TEST_END();
0098
0099   rtems_test_exit(0);
0100 }
0101
0102 /* configuration information */
0103
0104 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0105 #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
0106
0107 #define CONFIGURE_MAXIMUM_TASKS             1
0108 #define CONFIGURE_MAXIMUM_PERIODS           1
0109
0110 #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
0111
0112 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
0113
0114
0115 #define CONFIGURE_INIT
0116
0117 #include <rtems/confdefs.h>
0118 /* end of file */