URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [tmtests/] [tm15/] [task1.c] - Rev 173
Compare with Previous | Blame | View Log
/* * * COPYRIGHT (c) 1989-1999. * 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.OARcorp.com/rtems/license.html. * * $Id: task1.c,v 1.2 2001-09-27 12:02:42 chris Exp $ */ #define TEST_INIT #include "system.h" rtems_unsigned32 time_set, eventout; rtems_task High_tasks( rtems_task_argument argument ); rtems_task Low_task( rtems_task_argument argument ); void test_init(); rtems_task Init( rtems_task_argument argument ) { rtems_status_code status; Print_Warning(); puts( "\n\n*** TIME TEST 15 ***" ); test_init(); status = rtems_task_delete( RTEMS_SELF ); directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); } void test_init() { rtems_id id; rtems_unsigned32 index; rtems_event_set event_out; rtems_status_code status; time_set = FALSE; status = rtems_task_create( rtems_build_name( 'L', 'O', 'W', ' ' ), 10, RTEMS_MINIMUM_STACK_SIZE, RTEMS_NO_PREEMPT, RTEMS_DEFAULT_ATTRIBUTES, &id ); directive_failed( status, "rtems_task_create LOW" ); status = rtems_task_start( id, Low_task, 0 ); directive_failed( status, "rtems_task_start LOW" ); for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) { status = rtems_task_create( rtems_build_name( 'H', 'I', 'G', 'H' ), 5, RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ index ] ); directive_failed( status, "rtems_task_create LOOP" ); status = rtems_task_start( Task_id[ index ], High_tasks, 0 ); directive_failed( status, "rtems_task_start LOOP" ); } Timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) Empty_function(); overhead = Read_timer(); Timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) { (void) rtems_event_receive( RTEMS_PENDING_EVENTS, RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT, &event_out ); } end_time = Read_timer(); put_time( "rtems_event_receive: obtain current events", end_time, OPERATION_COUNT, overhead, CALLING_OVERHEAD_EVENT_RECEIVE ); Timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) { (void) rtems_event_receive( RTEMS_ALL_EVENTS, RTEMS_NO_WAIT, RTEMS_NO_TIMEOUT, &event_out ); } end_time = Read_timer(); put_time( "rtems_event_receive: not available -- NO_WAIT", end_time, OPERATION_COUNT, overhead, CALLING_OVERHEAD_EVENT_RECEIVE ); } rtems_task Low_task( rtems_task_argument argument ) { rtems_unsigned32 index; rtems_event_set event_out; end_time = Read_timer(); put_time( "rtems_event_receive: not available -- caller blocks", end_time, OPERATION_COUNT, 0, CALLING_OVERHEAD_EVENT_RECEIVE ); Timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) Empty_function(); overhead = Read_timer(); Timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) rtems_event_send( RTEMS_SELF, RTEMS_EVENT_16 ); end_time = Read_timer(); put_time( "rtems_event_send: no task readied", end_time, OPERATION_COUNT, overhead, CALLING_OVERHEAD_EVENT_SEND ); Timer_initialize(); (void) rtems_event_receive( RTEMS_EVENT_16, RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT, &event_out ); end_time = Read_timer(); put_time( "rtems_event_receive: available", end_time, 1, 0, CALLING_OVERHEAD_EVENT_RECEIVE ); Timer_initialize(); for ( index=1 ; index <= OPERATION_COUNT ; index++ ) (void) rtems_event_send( Task_id[ index ], RTEMS_EVENT_16 ); end_time = Read_timer(); put_time( "rtems_event_send: task readied -- returns to caller", end_time, OPERATION_COUNT, overhead, CALLING_OVERHEAD_EVENT_SEND ); puts( "*** END OF TEST 15 ***" ); exit( 0 ); } rtems_task High_tasks( rtems_task_argument argument ) { rtems_status_code status; if ( time_set ) status = rtems_event_receive( RTEMS_EVENT_16, RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT, &eventout ); else { time_set = 1; Timer_initialize(); /* start blocking rtems_event_receive time */ status = rtems_event_receive( RTEMS_EVENT_16, RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT, &eventout ); } }