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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [tmtests/] [tm01/] [task1.c] - Blame information for rev 30

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1 30 unneback 
/*
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: task1.c,v 1.2 2001-09-27 12:02:41 chris Exp $
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 */
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#define TEST_INIT
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#include "system.h"
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rtems_task Test_task(
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  rtems_task_argument argument
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);
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rtems_task Init(
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  rtems_task_argument argument
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)
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{
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  rtems_status_code status;
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  Print_Warning();
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  puts( "\n\n*** TIME TEST 1 ***" );
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  Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' );
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  Task_name[ 2 ] = rtems_build_name( 'T', 'A', '2', ' ' );
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  Task_name[ 3 ] = rtems_build_name( 'T', 'A', '3', ' ' );
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  status = rtems_task_create(
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    Task_name[ 1 ],
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    128,
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    RTEMS_MINIMUM_STACK_SIZE,
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    RTEMS_DEFAULT_MODES,
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    RTEMS_DEFAULT_ATTRIBUTES,
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    &Task_id[ 1 ]
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  );
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  directive_failed( status, "rtems_task_create of TA1" );
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  status = rtems_task_start( Task_id[ 1 ], Test_task, 0 );
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  directive_failed( status, "rtems_task_start of TA1" );
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  status = rtems_task_delete( RTEMS_SELF );
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  directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
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}
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rtems_task Test_task(
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  rtems_task_argument argument
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)
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{
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  rtems_unsigned32  semaphore_obtain_time;
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  rtems_unsigned32  semaphore_release_time;
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  rtems_unsigned32  semaphore_obtain_no_wait_time;
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  rtems_unsigned32  semaphore_obtain_loop_time;
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  rtems_unsigned32  semaphore_release_loop_time;
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  rtems_unsigned32  index;
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  rtems_unsigned32  iterations;
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  rtems_name        name;
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  rtems_id          smid;
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  rtems_status_code status;
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  name = rtems_build_name( 'S', 'M', '1', ' ' );
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  semaphore_obtain_time          = 0;
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  semaphore_release_time         = 0;
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  semaphore_obtain_no_wait_time  = 0;
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  semaphore_obtain_loop_time     = 0;
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  semaphore_release_loop_time    = 0;
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  /* Time one invocation of rtems_semaphore_create */
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  Timer_initialize();
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    (void) rtems_semaphore_create(
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      name,
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      OPERATION_COUNT,
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      RTEMS_DEFAULT_MODES,
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      RTEMS_NO_PRIORITY,
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      &smid
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    );
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  end_time = Read_timer();
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  put_time(
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    "rtems_semaphore_create",
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    end_time,
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    1,
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    0,
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    CALLING_OVERHEAD_SEMAPHORE_CREATE
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  );
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  /* Time one invocation of rtems_semaphore_delete */
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  Timer_initialize();
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    (void) rtems_semaphore_delete( smid );
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  end_time = Read_timer();
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  put_time(
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    "rtems_semaphore_delete",
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    end_time,
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    1,
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    0,
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    CALLING_OVERHEAD_SEMAPHORE_CREATE
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  );
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  status = rtems_semaphore_create(
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    name,
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    OPERATION_COUNT,
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    RTEMS_DEFAULT_ATTRIBUTES,
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    RTEMS_NO_PRIORITY,
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    &smid
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  );
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  for ( iterations=OPERATION_COUNT ; iterations ; iterations-- ) {
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    Timer_initialize();
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      for ( index = 1 ; index<=OPERATION_COUNT ; index++ )
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        (void) Empty_function();
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    end_time = Read_timer();
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    semaphore_obtain_loop_time  += end_time;
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    semaphore_release_loop_time += end_time;
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    /* rtems_semaphore_obtain (available) */
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    Timer_initialize();
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      for ( index = 1 ; index<=OPERATION_COUNT ; index++ )
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        (void) rtems_semaphore_obtain(
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          smid,
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          RTEMS_DEFAULT_OPTIONS,
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          RTEMS_NO_TIMEOUT
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        );
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    end_time = Read_timer();
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    semaphore_obtain_time += end_time;
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    /* rtems_semaphore_release */
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    Timer_initialize();
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      for ( index = 1 ; index<=OPERATION_COUNT ; index++ )
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        (void) rtems_semaphore_release( smid );
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    end_time = Read_timer();
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    semaphore_release_time += end_time;
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    /* semaphore obtain (RTEMS_NO_WAIT) */
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    Timer_initialize();
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      for ( index = 1 ; index<=OPERATION_COUNT ; index++ )
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        rtems_semaphore_obtain( smid, RTEMS_NO_WAIT, RTEMS_NO_TIMEOUT );
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    semaphore_obtain_no_wait_time += Read_timer();
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    Timer_initialize();
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      for ( index = 1 ; index<=OPERATION_COUNT ; index++ )
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        rtems_semaphore_release( smid );
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    end_time = Read_timer();
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    semaphore_release_time += end_time;
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  }
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  put_time(
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    "rtems_semaphore_obtain: available",
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    semaphore_obtain_time,
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    OPERATION_COUNT * OPERATION_COUNT,
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    semaphore_obtain_loop_time,
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    CALLING_OVERHEAD_SEMAPHORE_OBTAIN
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  );
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  put_time(
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    "rtems_semaphore_obtain: not available -- NO_WAIT",
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    semaphore_obtain_no_wait_time,
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    OPERATION_COUNT * OPERATION_COUNT,
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    semaphore_obtain_loop_time,
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    CALLING_OVERHEAD_SEMAPHORE_OBTAIN
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  );
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  put_time(
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    "rtems_semaphore_release: no waiting tasks",
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    semaphore_release_time,
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    OPERATION_COUNT * OPERATION_COUNT * 2,
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    semaphore_release_loop_time * 2,
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    CALLING_OVERHEAD_SEMAPHORE_RELEASE
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  );
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  puts( "*** END OF TEST 1 ***" );
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  exit( 0 );
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}

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