forked from Imagelibrary/rtems
125 lines
2.8 KiB
C
125 lines
2.8 KiB
C
/*
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* COPYRIGHT (c) 1989-2013.
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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.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#define CONFIGURE_INIT
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#include "system.h"
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uint32_t Task_count;
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rtems_task Tasks(
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rtems_task_argument argument
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);
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rtems_task High_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_id id;
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uint32_t index;
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rtems_status_code status;
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Print_Warning();
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puts( "\n\n*** TIME TEST 24 ***" );
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status = rtems_task_create(
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rtems_build_name( 'H', 'I', 'G', 'H' ),
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1,
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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 HIGH" );
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status = rtems_task_start( id, High_task, 0 );
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directive_failed( status, "rtems_task_create HIGH" );
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for ( index = 1 ; index <= OPERATION_COUNT ; index++ ) {
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status = rtems_task_create(
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rtems_build_name( 'R', 'E', 'S', 'T' ),
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(RTEMS_MAXIMUM_PRIORITY / 2u) + 1u,
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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 LOOP" );
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status = rtems_task_start( id, Tasks, 0 );
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directive_failed( status, "rtems_task_start LOOP" );
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}
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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 High_task(
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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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uint32_t index;
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benchmark_timer_initialize();
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for ( index=1 ; index <= OPERATION_COUNT ; index++ )
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(void) benchmark_timer_empty_function();
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overhead = benchmark_timer_read();
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benchmark_timer_initialize();
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for ( index=1 ; index <= OPERATION_COUNT ; index++ )
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(void) rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
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end_time = benchmark_timer_read();
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put_time(
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"rtems_task_wake_after: yield returns to caller",
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end_time,
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OPERATION_COUNT,
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overhead,
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CALLING_OVERHEAD_TASK_WAKE_AFTER
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);
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Task_count = 0;
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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 Tasks(
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rtems_task_argument argument
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)
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{
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Task_count++;
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if ( Task_count == 1 )
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benchmark_timer_initialize();
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else if ( Task_count == OPERATION_COUNT ) {
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end_time = benchmark_timer_read();
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put_time(
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"rtems_task_wake_after: yields preempts caller",
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end_time,
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OPERATION_COUNT,
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overhead,
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CALLING_OVERHEAD_TASK_WAKE_AFTER
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);
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puts( "*** END OF TEST 24 ***" );
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rtems_test_exit( 0 );
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}
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(void) rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
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}
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