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/] [tm01/] [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 12:02:41 chris Exp $ */ #define TEST_INIT #include "system.h" rtems_task Test_task( rtems_task_argument argument ); rtems_task Init( rtems_task_argument argument ) { rtems_status_code status; Print_Warning(); puts( "\n\n*** TIME TEST 1 ***" ); Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' ); Task_name[ 2 ] = rtems_build_name( 'T', 'A', '2', ' ' ); Task_name[ 3 ] = rtems_build_name( 'T', 'A', '3', ' ' ); status = rtems_task_create( Task_name[ 1 ], 128, RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ 1 ] ); directive_failed( status, "rtems_task_create of TA1" ); status = rtems_task_start( Task_id[ 1 ], Test_task, 0 ); directive_failed( status, "rtems_task_start of TA1" ); status = rtems_task_delete( RTEMS_SELF ); directive_failed( status, "rtems_task_delete of RTEMS_SELF" ); } rtems_task Test_task( rtems_task_argument argument ) { rtems_unsigned32 semaphore_obtain_time; rtems_unsigned32 semaphore_release_time; rtems_unsigned32 semaphore_obtain_no_wait_time; rtems_unsigned32 semaphore_obtain_loop_time; rtems_unsigned32 semaphore_release_loop_time; rtems_unsigned32 index; rtems_unsigned32 iterations; rtems_name name; rtems_id smid; rtems_status_code status; name = rtems_build_name( 'S', 'M', '1', ' ' ); semaphore_obtain_time = 0; semaphore_release_time = 0; semaphore_obtain_no_wait_time = 0; semaphore_obtain_loop_time = 0; semaphore_release_loop_time = 0; /* Time one invocation of rtems_semaphore_create */ Timer_initialize(); (void) rtems_semaphore_create( name, OPERATION_COUNT, RTEMS_DEFAULT_MODES, RTEMS_NO_PRIORITY, &smid ); end_time = Read_timer(); put_time( "rtems_semaphore_create", end_time, 1, 0, CALLING_OVERHEAD_SEMAPHORE_CREATE ); /* Time one invocation of rtems_semaphore_delete */ Timer_initialize(); (void) rtems_semaphore_delete( smid ); end_time = Read_timer(); put_time( "rtems_semaphore_delete", end_time, 1, 0, CALLING_OVERHEAD_SEMAPHORE_CREATE ); status = rtems_semaphore_create( name, OPERATION_COUNT, RTEMS_DEFAULT_ATTRIBUTES, RTEMS_NO_PRIORITY, &smid ); for ( iterations=OPERATION_COUNT ; iterations ; iterations-- ) { Timer_initialize(); for ( index = 1 ; index<=OPERATION_COUNT ; index++ ) (void) Empty_function(); end_time = Read_timer(); semaphore_obtain_loop_time += end_time; semaphore_release_loop_time += end_time; /* rtems_semaphore_obtain (available) */ Timer_initialize(); for ( index = 1 ; index<=OPERATION_COUNT ; index++ ) (void) rtems_semaphore_obtain( smid, RTEMS_DEFAULT_OPTIONS, RTEMS_NO_TIMEOUT ); end_time = Read_timer(); semaphore_obtain_time += end_time; /* rtems_semaphore_release */ Timer_initialize(); for ( index = 1 ; index<=OPERATION_COUNT ; index++ ) (void) rtems_semaphore_release( smid ); end_time = Read_timer(); semaphore_release_time += end_time; /* semaphore obtain (RTEMS_NO_WAIT) */ Timer_initialize(); for ( index = 1 ; index<=OPERATION_COUNT ; index++ ) rtems_semaphore_obtain( smid, RTEMS_NO_WAIT, RTEMS_NO_TIMEOUT ); semaphore_obtain_no_wait_time += Read_timer(); Timer_initialize(); for ( index = 1 ; index<=OPERATION_COUNT ; index++ ) rtems_semaphore_release( smid ); end_time = Read_timer(); semaphore_release_time += end_time; } put_time( "rtems_semaphore_obtain: available", semaphore_obtain_time, OPERATION_COUNT * OPERATION_COUNT, semaphore_obtain_loop_time, CALLING_OVERHEAD_SEMAPHORE_OBTAIN ); put_time( "rtems_semaphore_obtain: not available -- NO_WAIT", semaphore_obtain_no_wait_time, OPERATION_COUNT * OPERATION_COUNT, semaphore_obtain_loop_time, CALLING_OVERHEAD_SEMAPHORE_OBTAIN ); put_time( "rtems_semaphore_release: no waiting tasks", semaphore_release_time, OPERATION_COUNT * OPERATION_COUNT * 2, semaphore_release_loop_time * 2, CALLING_OVERHEAD_SEMAPHORE_RELEASE ); puts( "*** END OF TEST 1 ***" ); exit( 0 ); }