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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [tmtests/] [tmck/] [task1.c] - Blame information for rev 484

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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 12:02:46 chris Exp $
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 */
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#define TEST_INIT
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#include "system.h"
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#define MAXIMUM_DISTRIBUTION 10000
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#undef OPERATION_COUNT
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#define OPERATION_COUNT    100000
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int Distribution[ MAXIMUM_DISTRIBUTION + 1 ];
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rtems_task Task_1(
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  rtems_task_argument argument
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);
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void check_read_timer( void );
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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_id          id;
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  rtems_status_code status;
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  /*
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   *  Tell the Timer Driver what we are doing
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   */
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  Set_find_average_overhead( 1 );
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  Print_Warning();
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  puts( "\n\n*** TIME CHECKER ***" );
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  Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' ),
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  status = rtems_task_create(
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    1,
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    5,
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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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    &id
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  );
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  directive_failed( status, "rtems_task_create of TA1" );
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  status = rtems_task_start( id, Task_1, 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 Task_1(
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  rtems_task_argument argument
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)
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{
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  rtems_unsigned32 index;
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  check_read_timer();
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rtems_test_pause();
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  Timer_initialize();
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  end_time = Read_timer();
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  put_time(
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    "NULL timer stopped at",
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    end_time,
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    1,
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    0,
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  );
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  Timer_initialize();
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  for ( index = 1 ; index <= 1000 ; index++ )
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    (void) Empty_function();
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  end_time = Read_timer();
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  put_time(
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    "LOOP (1000) timer stopped at",
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    end_time,
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    1,
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    0,
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  );
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  Timer_initialize();
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  for ( index = 1 ; index <= 10000 ; index++ )
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    (void) Empty_function();
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  end_time = Read_timer();
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  put_time(
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    "LOOP (10000) timer stopped at",
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    end_time,
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    1,
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    0,
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  );
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  Timer_initialize();
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  for ( index = 1 ; index <= 50000 ; index++ )
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    (void) Empty_function();
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  end_time = Read_timer();
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  put_time(
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    "LOOP (50000) timer stopped at",
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    end_time,
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    1,
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    0,
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  );
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  Timer_initialize();
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  for ( index = 1 ; index <= 100000 ; index++ )
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    (void) Empty_function();
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  end_time = Read_timer();
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  put_time(
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    "LOOP (100000) timer stopped at",
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    end_time,
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    1,
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    0,
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  );
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  puts( "*** END OF TIME CHECKER ***" );
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  exit( 0 );
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}
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void check_read_timer()
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{
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  rtems_unsigned32 index;
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  rtems_unsigned32 time;
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  for ( index = 1 ; index <= MAXIMUM_DISTRIBUTION ; index++ )
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    Distribution[ index ] = 0;
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  for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) {
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    Timer_initialize();
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    end_time = Read_timer();
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    if ( end_time > MAXIMUM_DISTRIBUTION ) {
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      /*
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       *  Under UNIX a simple process swap takes longer than we
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       *  consider valid for our testing purposes.
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       */
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      printf( "TOO LONG (%d) at index %d!!!\n", end_time, index );
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#if defined(unix)
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      index--;
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      continue;
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#else
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      exit( 1 );
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#endif
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    }
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    else
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      Distribution[ end_time ]++;
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  }
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  printf( "Units may not be in microseconds for this test!!!\n" );
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  time = 0;
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  for ( index = 0 ; index <= MAXIMUM_DISTRIBUTION ; index++ ) {
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    time += (Distribution[ index ] * index);
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    if ( Distribution[ index ] != 0 )
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      printf( "%d %d\n", index, Distribution[ index ] );
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  }
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  printf( "Total time = %d\n", time );
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  printf( "Average time = %d\n", time / OPERATION_COUNT );
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}

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