static int rtems_shell_main_cpuuse(
int argc,
char *argv[]
)
{
/*
* When invoked with no arguments, print the report.
*/
if ( argc == 1 ) {
rtems_cpu_usage_report_with_plugin(stdout, (rtems_printk_plugin_t)fprintf);
return 0;
}
/*
* When invoked with the single argument -r, reset the statistics.
*/
if ( argc == 2 && !strcmp( argv[1], "-r" ) ) {
printf( "Resetting CPU Usage information\n" );
rtems_cpu_usage_reset();
return 0;
}
/*
* OK. The user did something wrong.
*/
fprintf( stderr, "%s: [-r]\n", argv[0] );
return -1;
}
void example_shttpd_callback(struct shttpd_arg *arg)
{
const char *query;
query = shttpd_get_env(arg, "QUERY_STRING" );
if ( !query )
query = "";
/* fprintf( stderr, "RTEMS Request -%s-\n", query ); */
if ( !strcmp( query, "cpuuse_report" ) ) {
shttpd_printf( arg, "<pre>" );
rtems_cpu_usage_report_with_plugin(
arg,
(rtems_printk_plugin_t) shttpd_printf
);
shttpd_printf( arg, "</pre>" );
} else if ( !strcmp( query, "cpuuse_reset" ) ) {
rtems_cpu_usage_reset();
shttpd_printf(
arg,
START_HTML_BODY
" <p><big>CPU Usage data reset -- return to the previous page</big></p>"
END_HTML_BODY
);
} else if ( !strcmp( query, "stackuse_report" ) ) {
shttpd_printf( arg, "<pre>" );
rtems_stack_checker_report_usage_with_plugin(
arg,
(rtems_printk_plugin_t) shttpd_printf
);
shttpd_printf( arg, "</pre>" );
} else {
shttpd_printf(
arg,
START_HTML_BODY
" <h2>Unknown Request</h2>"
" <h3>URI: %s</br>"
" Arguments: %s</h3>"
END_HTML_BODY,
shttpd_get_env(arg, "REQUEST_URI"),
query
);
}
arg->flags |= SHTTPD_END_OF_OUTPUT;
}
rtems_task Init(
rtems_task_argument argument
)
{
rtems_status_code status;
rtems_id task_id;
puts( "\n\n*** TEST 46 ***" );
/*
* Initialize Tasks
*/
puts( "INIT - rtems_task_create - creating task 1" );
status = rtems_task_create(
rtems_build_name( 'T', 'A', '1', ' ' ),
1,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id
);
directive_failed( status, "rtems_task_create of TA1" );
puts( "INIT - rtems_task_start - TA1 " );
status = rtems_task_start( task_id, Periodic_Task, 0 );
directive_failed( status, "rtems_task_start of TA1" );
while ( !partial_loop ) {
status = rtems_task_wake_after( 2 );
directive_failed( status, "rtems_task_wake_after" );
}
rtems_cpu_usage_reset();
status = rtems_task_wake_after( rtems_clock_get_ticks_per_second() );
directive_failed( status, "rtems_task_wake_after" );
/*
* Exit test
*/
puts( "*** END OF TEST 46 *** " );
rtems_test_exit( 0 );
}
rtems_task Task_2(
rtems_task_argument argument
)
{
while ( !testsFinished );
showTaskSwitches ();
puts( "" );
rtems_cpu_usage_report();
puts( "" );
puts( "TA2 - RESETTING USAGE STATISTICS" );
rtems_cpu_usage_reset();
puts( "" );
rtems_cpu_usage_report();
puts( "" );
puts( "*** END OF CPU USAGE LIBRARY TEST ***" );
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);
}
