rtems_task Init(
rtems_task_argument argument
)
{
clock_t start;
clock_t end;
clock_t now;
clock_t sc;
clock_t difference;
struct tms start_tm;
struct tms end_tm;
int interval = 5;
puts( "\n\n*** TEST TIMES 01 ***" );
puts( "times( NULL ) -- EFAULT" );
sc = times( NULL );
rtems_test_assert( sc == -1 );
rtems_test_assert( errno == EFAULT );
puts( "_times_r( NULL, NULL ) -- EFAULT" );
start = _times_r( NULL, NULL );
rtems_test_assert( sc == -1 );
rtems_test_assert( errno == EFAULT );
while ( rtems_clock_get_ticks_since_boot() == 0 )
;
puts( "_times( &start_tm ) -- OK" );
now = _times( &start_tm );
rtems_test_assert( start != 0 );
rtems_test_assert( now != 0 );
rtems_test_spin_for_ticks( interval );
puts( "_times( &end_tm ) -- OK" );
end = _times( &end_tm );
rtems_test_assert( end != 0 );
puts( "Check various values" );
difference = end - start;
rtems_test_assert( difference >= interval );
rtems_test_assert( end_tm.tms_utime - start_tm.tms_utime >= interval );
rtems_test_assert( end_tm.tms_stime - start_tm.tms_stime >= interval );
rtems_test_assert( end_tm.tms_cutime == 0 );
rtems_test_assert( end_tm.tms_cstime == 0 );
puts( "*** END OF TEST TIMES 01 ***" );
rtems_test_exit(0);
}
rtems_task Init(
rtems_task_argument argument
)
{
int sc;
struct rusage usage;
puts( "\n\n*** TEST GETRUSAGE 01 ***" );
puts( "getrusage( RUSAGE_SELF, NULL ) -- EFAULT" );
sc = getrusage( RUSAGE_SELF, NULL );
rtems_test_assert( sc == -1 );
rtems_test_assert( errno == EFAULT );
puts( "getrusage( RUSAGE_CHILDREN, &usage ) -- ENOSYS" );
sc = getrusage( RUSAGE_CHILDREN, &usage );
rtems_test_assert( sc == -1 );
rtems_test_assert( errno == ENOSYS );
puts( "getrusage( 77, &usage ) -- EINVAL" );
sc = getrusage( 77, &usage );
rtems_test_assert( sc == -1 );
rtems_test_assert( errno == EINVAL );
puts( "Consume CPU long enough to have non-zero usage" );
rtems_test_spin_for_ticks( 5 );
puts( "getrusage( RUSAGE_SELF, &usage ) -- EINVAL" );
sc = getrusage( RUSAGE_SELF, &usage );
rtems_test_assert( sc == 0 );
/* CPU usage is non-zero */
rtems_test_assert( usage.ru_utime.tv_sec == 0 );
rtems_test_assert( usage.ru_utime.tv_usec != 0 );
/* System and user time is the same */
rtems_test_assert( usage.ru_utime.tv_sec == usage.ru_stime.tv_sec );
rtems_test_assert( usage.ru_utime.tv_usec == usage.ru_stime.tv_usec );
puts( "*** END OF TEST GETRUSAGE 01 ***" );
rtems_test_exit(0);
}
rtems_task Init(
rtems_task_argument argument
)
{
rtems_id period_id;
rtems_name period_name;
rtems_rate_monotonic_period_status period_status;
rtems_status_code status;
rtems_rate_monotonic_period_statistics statistics;
int i;
period_name = rtems_build_name('P','E','R','1');
puts( "\n\n*** TEST 69 ***" );
/* create period */
status = rtems_rate_monotonic_create(
period_name,
&period_id
);
directive_failed( status, "rate_monotonic_create" );
/*
* Check get_status on an inactive period.
*/
puts(
"rtems_rate_monotonic_get_status - verify values of an inactive period"
);
status = rtems_rate_monotonic_get_status( period_id, &period_status );
directive_failed( status, "rate_monotonic_get_status" );
/* Check status values. */
rtems_test_assert( period_status.owner == rtems_task_self() );
rtems_test_assert( period_status.state == RATE_MONOTONIC_INACTIVE );
#ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__
rtems_test_assert( period_status.since_last_period.tv_sec == 0 );
rtems_test_assert( period_status.since_last_period.tv_nsec == 0 );
rtems_test_assert( period_status.executed_since_last_period.tv_sec == 0 );
rtems_test_assert( period_status.executed_since_last_period.tv_nsec == 0 );
#else
rtems_test_assert( period_status.since_last_period == 0 );
rtems_test_assert( period_status.executed_since_last_period == 0 );
#endif
/*
* Check get_status error cases.
*/
puts( "rtems_rate_monotonic_get_status - check RTEMS_NOT_DEFINED" );
/* Do some work to get a non-zero cpu usage */
rtems_test_spin_for_ticks( 10 );
status = rtems_rate_monotonic_period( period_id, 100 );
directive_failed( status, "rate_monotonic_period" );
/* Do some more work */
rtems_test_spin_for_ticks( 10 );
/* Reset the cpu usage statistics. */
rtems_cpu_usage_reset();
/* Status should be undefined. */
status = rtems_rate_monotonic_get_status( period_id, &period_status );
fatal_directive_status(
status,
RTEMS_NOT_DEFINED,
"rtems_rate_monotonic_get_status after cpu usage reset"
);
/* Clean up. */
status = rtems_rate_monotonic_cancel( period_id );
directive_failed( status, "rate_monotonic_cancel" );
/*
* Check normal get_status results.
*/
puts( "rtems_rate_monotonic_get_status - verify values of an active period" );
rtems_test_spin_until_next_tick();
status = rtems_rate_monotonic_period( period_id, 100 );
directive_failed( status, "rate_monotonic_period" );
/* Do some work */
rtems_test_spin_for_ticks( 10 );
/* Block a little */
status = rtems_task_wake_after( 50 );
/* Check the status */
status = rtems_rate_monotonic_get_status( period_id, &period_status );
directive_failed( status, "rate_monotonic_get_status" );
/* Check status values. */
#ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__
/* Note: POSIX mandates struct timespec->tv_nsec to be a "long" */
printf(
"wall time should be ~600000000 is %ld\n",
period_status.since_last_period.tv_nsec
);
printf(
"cpu time should be ~100000000 is %ld\n",
period_status.executed_since_last_period.tv_nsec
);
rtems_test_assert( period_status.since_last_period.tv_sec == 0 );
rtems_test_assert( period_status.since_last_period.tv_nsec >= 600000000 );
rtems_test_assert( period_status.since_last_period.tv_nsec <= 610000000 );
rtems_test_assert( period_status.executed_since_last_period.tv_sec == 0 );
rtems_test_assert(
period_status.executed_since_last_period.tv_nsec >= 100000000
);
rtems_test_assert(
period_status.executed_since_last_period.tv_nsec <= 110000000
);
#else
printf(
"wall time should be ~60 is %" PRId32 "\n",
(int) period_status.since_last_period
);
printf(
"cpu time should be ~10 is %" PRId32 "\n",
(int) period_status.executed_since_last_period
);
rtems_test_assert( period_status.since_last_period >= 60 );
rtems_test_assert( period_status.since_last_period <= 61 );
rtems_test_assert( period_status.executed_since_last_period >= 10 );
rtems_test_assert( period_status.executed_since_last_period <= 12 );
#endif
/* ensure the missed periods are properly accounted for */
puts( "rtems_rate_monotonic_cancel - OK" );
status = rtems_rate_monotonic_cancel( period_id );
directive_failed( status, "rate_monotonic_cancel" );
puts( "Testing statistics on missed periods" );
rtems_test_spin_until_next_tick();
status = rtems_rate_monotonic_period( period_id, 50 );
directive_failed( status, "rate_monotonic_period above loop" );
for ( i=1 ; i <= 3 ; i++ ) {
status = rtems_task_wake_after( 100 );
directive_failed( status, "rtems_task_wake_after(100)" );
rtems_test_spin_until_next_tick();
status = rtems_rate_monotonic_period( period_id, 50 );
fatal_directive_status(
status,
RTEMS_TIMEOUT,
"rtems_rate_monotonic_period 2-n"
);
status = rtems_rate_monotonic_get_statistics( period_id, &statistics );
directive_failed( status, "rate_monotonic_get_statistics" );
if ( statistics.missed_count != i ) {
printf(
"Expected %d got %" PRIu32 " for missed_count\n",
i,
statistics.missed_count
);
}
rtems_test_assert( statistics.missed_count == i );
}
puts( "*** END OF TEST 69 ***" );
rtems_test_exit(0);
}
