/* * COPYRIGHT (c) 1989-2009. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rtems.com/license/LICENSE. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #define CONFIGURE_INIT #include "system.h" rtems_id Timer_id[ OPERATION_COUNT+1 ]; rtems_time_of_day time_of_day; void null_delay( rtems_id ignored_id, void *ignored_address ); rtems_task Low_task( rtems_task_argument argument ); rtems_task Middle_tasks( rtems_task_argument argument ); rtems_task High_task( rtems_task_argument argument ); int operation_count = OPERATION_COUNT; rtems_task Init( rtems_task_argument argument ) { rtems_task_priority priority; int index; rtems_id id; rtems_task_entry task_entry; rtems_status_code status; Print_Warning(); puts( "\n\n*** TIME TEST 23 ***" ); benchmark_timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) benchmark_timer_empty_function(); overhead = benchmark_timer_read(); priority = 2; if ( OPERATION_COUNT > RTEMS_MAXIMUM_PRIORITY - 2 ) operation_count = RTEMS_MAXIMUM_PRIORITY - 2; for( index=1 ; index <= operation_count ; index++ ) { status = rtems_task_create( rtems_build_name( 'T', 'I', 'M', 'E' ), priority, RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &id ); directive_failed( status, "rtems_task_create LOOP" ); if ( index == 1 ) task_entry = High_task; else if ( index == operation_count ) task_entry = Low_task; else task_entry = Middle_tasks; status = rtems_task_start( id, task_entry, 0 ); directive_failed( status, "rtems_task_start LOOP" ); priority++; } status = rtems_task_delete( RTEMS_SELF ); directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); } void null_delay( rtems_id ignored_id, void *ignored_address ) { } rtems_task High_task( rtems_task_argument argument ) { uint32_t index; rtems_status_code status; int i; benchmark_timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) benchmark_timer_empty_function(); overhead = benchmark_timer_read(); benchmark_timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) rtems_timer_create( index, &Timer_id[ index ] ); end_time = benchmark_timer_read(); put_time( "rtems_timer_create", end_time, OPERATION_COUNT, overhead, CALLING_OVERHEAD_TIMER_CREATE ); benchmark_timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) rtems_timer_fire_after( Timer_id[ index ], 500, null_delay, NULL ); end_time = benchmark_timer_read(); put_time( "rtems_timer_fire_after: inactive", end_time, OPERATION_COUNT, overhead, CALLING_OVERHEAD_TIMER_FIRE_AFTER ); benchmark_timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) rtems_timer_fire_after( Timer_id[ index ], 500, null_delay, NULL ); end_time = benchmark_timer_read(); put_time( "rtems_timer_fire_after: active", end_time, OPERATION_COUNT, overhead, CALLING_OVERHEAD_TIMER_FIRE_AFTER ); benchmark_timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) rtems_timer_cancel( Timer_id[ index ] ); end_time = benchmark_timer_read(); put_time( "rtems_timer_cancel: active", end_time, OPERATION_COUNT, overhead, CALLING_OVERHEAD_TIMER_CANCEL ); for ( benchmark_timer_initialize(), i=0 ; i