forked from Imagelibrary/rtems
106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
/*
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* This test checks rtems_cpu_usage_top command with
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* 30 tasks being created and deleted. The command
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* should show the task list grow to the top 20 tasks
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* then shrink back down to 5 tasks.
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*
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* Input parameters:
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* argument - task argument
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*
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* Output parameters: NONE
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*
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* COPYRIGHT (c) 2014.
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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[] = "TOP";
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/*
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* This method is called by Task_3 to provide
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* a variable lengh run time for each instance
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* of the task.
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*/
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void add_some(
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uint32_t per_loop,
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uint32_t *sum,
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uint32_t *next
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)
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{
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int i;
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for ( i=0 ; i<per_loop ; i++ ) {
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*sum += *next;
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*next += 1;
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}
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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_status_code status;
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rtems_time_of_day time;
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TEST_BEGIN();
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build_time( &time, 12, 31, 1988, 9, 15, 0, 0 );
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status = rtems_clock_set( &time );
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directive_failed( status, "rtems_clock_set" );
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TicksPerSecond = rtems_clock_get_ticks_per_second();
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if (TicksPerSecond <= 0) {
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printf(
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"Invalid ticks per second: %" PRIdrtems_interval "\n",
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TicksPerSecond
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);
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exit (1);
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}
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/* Create and start the task to run top command. */
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Task_name[ 2 ] = rtems_build_name( 'T', 'A', '0', '2' );
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status = rtems_task_create(
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Task_name[ 2 ],
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2,
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RTEMS_MINIMUM_STACK_SIZE,
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RTEMS_TIMESLICE,
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RTEMS_FLOATING_POINT,
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&Task_id[ 2 ]
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);
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directive_failed( status, "rtems_task_create of TA02" );
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status = rtems_task_start( Task_id[ 2 ], Task_2, 0 );
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directive_failed( status, "rtems_task_start of TA2" );
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/* Create and start task to run the test. */
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Task_name[ 1 ] = rtems_build_name( 'T', 'A', '0', '1' );
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status = rtems_task_create(
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Task_name[ 1 ],
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2,
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RTEMS_MINIMUM_STACK_SIZE,
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RTEMS_TIMESLICE,
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RTEMS_FLOATING_POINT,
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&Task_id[ 1 ]
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);
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directive_failed( status, "rtems_task_create of TA01" );
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status = rtems_task_start( Task_id[ 1 ], Task_1, 0 );
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directive_failed( status, "rtems_task_start of TA01" );
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/*
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* We suspend the Init task rather than delete it so it still
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* shows up in the output.
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*/
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status = rtems_task_suspend( RTEMS_SELF );
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directive_failed( status, "rtems_task_suspend of RTEMS_SELF" );
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}
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