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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [tmtests/] [tmck/] [task1.c] - Rev 30
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/* * * 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 12:02:46 chris Exp $ */ #define TEST_INIT #include "system.h" #define MAXIMUM_DISTRIBUTION 10000 #undef OPERATION_COUNT #define OPERATION_COUNT 100000 int Distribution[ MAXIMUM_DISTRIBUTION + 1 ]; rtems_task Task_1( rtems_task_argument argument ); void check_read_timer( void ); rtems_task Init( rtems_task_argument argument ) { rtems_id id; rtems_status_code status; /* * Tell the Timer Driver what we are doing */ Set_find_average_overhead( 1 ); Print_Warning(); puts( "\n\n*** TIME CHECKER ***" ); Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' ), status = rtems_task_create( 1, 5, RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &id ); directive_failed( status, "rtems_task_create of TA1" ); status = rtems_task_start( id, Task_1, 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 Task_1( rtems_task_argument argument ) { rtems_unsigned32 index; check_read_timer(); rtems_test_pause(); Timer_initialize(); end_time = Read_timer(); put_time( "NULL timer stopped at", end_time, 1, 0, 0 ); Timer_initialize(); for ( index = 1 ; index <= 1000 ; index++ ) (void) Empty_function(); end_time = Read_timer(); put_time( "LOOP (1000) timer stopped at", end_time, 1, 0, 0 ); Timer_initialize(); for ( index = 1 ; index <= 10000 ; index++ ) (void) Empty_function(); end_time = Read_timer(); put_time( "LOOP (10000) timer stopped at", end_time, 1, 0, 0 ); Timer_initialize(); for ( index = 1 ; index <= 50000 ; index++ ) (void) Empty_function(); end_time = Read_timer(); put_time( "LOOP (50000) timer stopped at", end_time, 1, 0, 0 ); Timer_initialize(); for ( index = 1 ; index <= 100000 ; index++ ) (void) Empty_function(); end_time = Read_timer(); put_time( "LOOP (100000) timer stopped at", end_time, 1, 0, 0 ); puts( "*** END OF TIME CHECKER ***" ); exit( 0 ); } void check_read_timer() { rtems_unsigned32 index; rtems_unsigned32 time; for ( index = 1 ; index <= MAXIMUM_DISTRIBUTION ; index++ ) Distribution[ index ] = 0; for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) { Timer_initialize(); end_time = Read_timer(); if ( end_time > MAXIMUM_DISTRIBUTION ) { /* * Under UNIX a simple process swap takes longer than we * consider valid for our testing purposes. */ printf( "TOO LONG (%d) at index %d!!!\n", end_time, index ); #if defined(unix) index--; continue; #else exit( 1 ); #endif } else Distribution[ end_time ]++; } printf( "Units may not be in microseconds for this test!!!\n" ); time = 0; for ( index = 0 ; index <= MAXIMUM_DISTRIBUTION ; index++ ) { time += (Distribution[ index ] * index); if ( Distribution[ index ] != 0 ) printf( "%d %d\n", index, Distribution[ index ] ); } printf( "Total time = %d\n", time ); printf( "Average time = %d\n", time / OPERATION_COUNT ); }
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