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/*
* This test checks rtems_cpu_usage_top command with
* 30 tasks being created and deleted. The command
* should show the task list grow to the top 20 tasks
* then shrink back down to 5 tasks.
*
* Input parameters:
* argument - task argument
*
* Output parameters: NONE
*
* COPYRIGHT (c) 2014.
* 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.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define CONFIGURE_INIT
#include "system.h"
#include <rtems/shell.h>
const char rtems_test_name[] = "TOP";
/*
* This method is called by Task_3 to provide
* a variable lengh run time for each instance
* of the task.
*/
void add_some(
uint32_t per_loop,
uint32_t *sum,
uint32_t *next
)
{
int i;
for ( i=0 ; i<per_loop ; i++ ) {
*sum += *next;
*next += 1;
}
}
static void notification(int fd, int seconds_remaining, void *arg)
{
printf(
"Press any key to enter top test (%is remaining)\n",
seconds_remaining
);
}
rtems_task Init(
rtems_task_argument argument
)
{
rtems_status_code status;
rtems_time_of_day time;
TEST_BEGIN();
status = rtems_shell_wait_for_input(
STDIN_FILENO,
20,
notification,
NULL
);
if ( status != RTEMS_SUCCESSFUL ) {
TEST_END();
rtems_test_exit( 0 );
}
build_time( &time, 12, 31, 1988, 9, 15, 0, 0 );
status = rtems_clock_set( &time );
directive_failed( status, "rtems_clock_set" );
TicksPerSecond = rtems_clock_get_ticks_per_second();
if (TicksPerSecond <= 0) {
printf(
"Invalid ticks per second: %" PRIdrtems_interval "\n",
TicksPerSecond
);
exit (1);
}
/* Create and start the task to run top command. */
Task_name[ 2 ] = rtems_build_name( 'T', 'A', '0', '2' );
status = rtems_task_create(
Task_name[ 2 ],
2,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_TIMESLICE,
RTEMS_FLOATING_POINT,
&Task_id[ 2 ]
);
directive_failed( status, "rtems_task_create of TA02" );
status = rtems_task_start( Task_id[ 2 ], Task_2, 0 );
directive_failed( status, "rtems_task_start of TA2" );
/* Create and start task to run the test. */
Task_name[ 1 ] = rtems_build_name( 'T', 'A', '0', '1' );
status = rtems_task_create(
Task_name[ 1 ],
2,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_TIMESLICE,
RTEMS_FLOATING_POINT,
&Task_id[ 1 ]
);
directive_failed( status, "rtems_task_create of TA01" );
status = rtems_task_start( Task_id[ 1 ], Task_1, 0 );
directive_failed( status, "rtems_task_start of TA01" );
/*
* We suspend the Init task rather than delete it so it still
* shows up in the output.
*/
status = rtems_task_suspend( RTEMS_SELF );
directive_failed( status, "rtems_task_suspend of RTEMS_SELF" );
}
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