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/**
* @file
*
* @ingroup RTEMSImplClassicRateMonotonic
*
* @brief This source file contains the implementation of
* rtems_rate_monotonic_report_statistics_with_plugin().
*/
/*
* COPYRIGHT (c) 1989-2010.
* 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
#include <rtems/rtems/ratemonimpl.h>
#include <rtems/rtems/object.h>
#include <rtems/printer.h>
#include <inttypes.h>
#include <rtems/inttypes.h>
/* We print to 1/10's of milliseconds */
#define NANOSECONDS_DIVIDER 1000L
#define PERCENT_FMT "%04" PRId32
#define NANOSECONDS_FMT "%06ld"
void rtems_rate_monotonic_report_statistics_with_plugin(
const rtems_printer *printer
)
{
rtems_status_code status;
rtems_id maximum_id;
rtems_id id;
rtems_rate_monotonic_period_statistics the_stats;
rtems_rate_monotonic_period_status the_status;
char name[5];
rtems_printf( printer, "Period information by period\n" );
rtems_printf( printer, "--- CPU times are in seconds ---\n" );
rtems_printf( printer, "--- Wall times are in seconds ---\n" );
/*
Layout by columns -- in memory of Hollerith :)
1234567890123456789012345678901234567890123456789012345678901234567890123456789\
ID OWNER COUNT MISSED X
ididididid NNNN ccccc mmmmmm X
Uncomment the following if you are tinkering with the formatting.
Be sure to test the various cases.
(*print)( context,"\
1234567890123456789012345678901234567890123456789012345678901234567890123456789\
\n");
*/
rtems_printf( printer,
" ID OWNER COUNT MISSED "
" CPU TIME WALL TIME\n"
" "
" MIN/MAX/AVG MIN/MAX/AVG\n"
);
/*
* Cycle through all possible ids and try to report on each one. If it
* is a period that is inactive, we just get an error back. No big deal.
*/
maximum_id = _Rate_monotonic_Information.maximum_id;
for (
id = _Objects_Get_minimum_id( maximum_id ) ;
id <= maximum_id ;
++id
) {
status = rtems_rate_monotonic_get_statistics( id, &the_stats );
if ( status != RTEMS_SUCCESSFUL )
continue;
/* If the above passed, so should this but check it anyway */
#if defined(RTEMS_DEBUG)
status = rtems_rate_monotonic_get_status( id, &the_status );
if ( status != RTEMS_SUCCESSFUL )
continue;
#else
(void) rtems_rate_monotonic_get_status( id, &the_status );
#endif
rtems_object_get_name( the_status.owner, sizeof(name), name );
/*
* Print part of report line that is not dependent on granularity
*/
rtems_printf( printer,
"0x%08" PRIx32 " %4s %5" PRId32 " %6" PRId32 " ",
id, name,
the_stats.count, the_stats.missed_count
);
/*
* If the count is zero, don't print statistics
*/
if (the_stats.count == 0) {
rtems_printf( printer, "\n" );
continue;
}
/*
* print CPU Usage part of statistics
*/
{
struct timespec cpu_average;
struct timespec *min_cpu = &the_stats.min_cpu_time;
struct timespec *max_cpu = &the_stats.max_cpu_time;
struct timespec *total_cpu = &the_stats.total_cpu_time;
_Timespec_Divide_by_integer( total_cpu, the_stats.count, &cpu_average );
rtems_printf( printer,
"%" PRIdtime_t "." NANOSECONDS_FMT "/" /* min cpu time */
"%" PRIdtime_t "." NANOSECONDS_FMT "/" /* max cpu time */
"%" PRIdtime_t "." NANOSECONDS_FMT " ", /* avg cpu time */
_Timespec_Get_seconds( min_cpu ),
_Timespec_Get_nanoseconds( min_cpu ) / NANOSECONDS_DIVIDER,
_Timespec_Get_seconds( max_cpu ),
_Timespec_Get_nanoseconds( max_cpu ) / NANOSECONDS_DIVIDER,
_Timespec_Get_seconds( &cpu_average ),
_Timespec_Get_nanoseconds( &cpu_average ) / NANOSECONDS_DIVIDER
);
}
/*
* print wall time part of statistics
*/
{
struct timespec wall_average;
struct timespec *min_wall = &the_stats.min_wall_time;
struct timespec *max_wall = &the_stats.max_wall_time;
struct timespec *total_wall = &the_stats.total_wall_time;
_Timespec_Divide_by_integer(total_wall, the_stats.count, &wall_average);
rtems_printf( printer,
"%" PRIdtime_t "." NANOSECONDS_FMT "/" /* min wall time */
"%" PRIdtime_t "." NANOSECONDS_FMT "/" /* max wall time */
"%" PRIdtime_t "." NANOSECONDS_FMT "\n", /* avg wall time */
_Timespec_Get_seconds( min_wall ),
_Timespec_Get_nanoseconds( min_wall ) / NANOSECONDS_DIVIDER,
_Timespec_Get_seconds( max_wall ),
_Timespec_Get_nanoseconds( max_wall ) / NANOSECONDS_DIVIDER,
_Timespec_Get_seconds( &wall_average ),
_Timespec_Get_nanoseconds( &wall_average ) / NANOSECONDS_DIVIDER
);
}
}
}
void rtems_rate_monotonic_report_statistics( void )
{
rtems_printer printer;
rtems_print_printer_printk( &printer );
rtems_rate_monotonic_report_statistics_with_plugin( &printer );
}
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