forked from Imagelibrary/rtems
134 lines
2.8 KiB
C
134 lines
2.8 KiB
C
/*
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* COPYRIGHT (c) 1989-2009.
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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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const char rtems_test_name[] = "TIME TEST 17";
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uint32_t Task_count;
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rtems_task_priority Task_priority;
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rtems_task First_task(
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rtems_task_argument argument
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);
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rtems_task Middle_tasks(
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rtems_task_argument argument
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);
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rtems_task Last_task(
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rtems_task_argument argument
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);
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int operation_count = OPERATION_COUNT;
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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_task_entry task_entry;
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int index;
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rtems_status_code status;
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Print_Warning();
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TEST_BEGIN();
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Task_priority = RTEMS_MAXIMUM_PRIORITY - 1u;
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if ( OPERATION_COUNT > RTEMS_MAXIMUM_PRIORITY - 2u )
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operation_count = (int) (RTEMS_MAXIMUM_PRIORITY - 2u);
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for( index = 0; index < operation_count ; index++ ) {
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status = rtems_task_create(
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rtems_build_name( 'T', 'I', 'M', 'E' ),
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Task_priority,
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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[ index ]
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);
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directive_failed( status, "rtems_task_create loop" );
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if ( index == operation_count-1 ) task_entry = Last_task;
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else if ( index == 0 ) task_entry = First_task;
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else task_entry = Middle_tasks;
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status = rtems_task_start( Task_id[ index ], task_entry, 0 );
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directive_failed( status, "rtems_task_start loop" );
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}
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Task_count = 1;
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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 First_task(
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rtems_task_argument argument
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)
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{
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rtems_task_priority previous_priority;
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benchmark_timer_initialize();
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Task_priority--;
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Task_count++;
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(void) rtems_task_set_priority(
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Task_id[ Task_count ],
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Task_priority,
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&previous_priority
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);
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}
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rtems_task Middle_tasks(
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rtems_task_argument argument
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)
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{
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rtems_task_priority previous_priority;
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Task_priority--;
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Task_count++;
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(void) rtems_task_set_priority(
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Task_id[ Task_count ],
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Task_priority,
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&previous_priority
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);
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}
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rtems_task Last_task(
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rtems_task_argument argument
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)
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{
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int index;
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end_time = 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) benchmark_timer_empty_function();
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overhead = benchmark_timer_read();
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put_time(
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"rtems_task_set_priority: preempts caller",
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end_time,
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operation_count - 1u,
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overhead,
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CALLING_OVERHEAD_TASK_SET_PRIORITY
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);
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TEST_END();
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rtems_test_exit( 0 );
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}
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