/* Tasks_Periodic * * This routine serves as a test task for the EDF 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 Tasks_Periodic( rtems_task_argument argument ) { rtems_id rmid; rtems_id test_rmid; rtems_status_code status; int start, stop, now; status = rtems_rate_monotonic_create( argument, &rmid ); directive_failed( status, "rtems_rate_monotonic_create" ); put_name( Task_name[ argument ], FALSE ); printf( "- rtems_rate_monotonic_create id = 0x%08" PRIxrtems_id "\n", rmid ); status = rtems_rate_monotonic_ident( argument, &test_rmid ); directive_failed( status, "rtems_rate_monotonic_ident" ); put_name( Task_name[ argument ], FALSE ); printf( "- rtems_rate_monotonic_ident id = 0x%08" PRIxrtems_id "\n", test_rmid ); if ( rmid != test_rmid ) { printf( "RMID's DO NOT MATCH (0x%" PRIxrtems_id " and 0x%" PRIxrtems_id ")\n", rmid, test_rmid ); rtems_test_exit( 0 ); } put_name( Task_name[ argument ], FALSE ); printf( "- (0x%08" PRIxrtems_id ") period %" PRIu32 "\n", rmid, Periods[ argument ] ); status = rtems_task_wake_after( 2 + Phases[argument] ); directive_failed( status, "rtems_task_wake_after" ); while (FOREVER) { if (rtems_rate_monotonic_period(rmid, Periods[argument])==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 >= 2*HP_LENGTH ) break; /* stop */ /* active computing */ /* using periodic statistics */ while(FOREVER) { now = rtems_clock_get_ticks_since_boot(); if (now >= start + Execution[argument]) break; } 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 ); } fflush(stdout); TEST_END(); rtems_test_exit( 0 ); }