diff options
Diffstat (limited to 'c/src/tests/tmtests/tmck/task1.c')
-rw-r--r-- | c/src/tests/tmtests/tmck/task1.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/c/src/tests/tmtests/tmck/task1.c b/c/src/tests/tmtests/tmck/task1.c new file mode 100644 index 0000000000..c151475505 --- /dev/null +++ b/c/src/tests/tmtests/tmck/task1.c @@ -0,0 +1,180 @@ +/* + * + * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. + * On-Line Applications Research Corporation (OAR). + * All rights assigned to U.S. Government, 1994. + * + * This material may be reproduced by or for the U.S. Government pursuant + * to the copyright license under the clause at DFARS 252.227-7013. This + * notice must appear in all copies of this file and its derivatives. + * + * $Id$ + */ + + +#include "system.h" +#undef EXTERN +#define EXTERN +#include "conftbl.h" +#include "gvar.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 ); + + puts( "\n\n*** TIME CHECKER ***" ); + + Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' ), + + status = rtems_task_create( + 1, + 5, + 1024, + 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(); +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 + ); + + 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 %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 ); +} |