[a6500136] | 1 | /** |
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| 2 | * @file |
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[e1bce86] | 3 | * |
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[a6500136] | 4 | * @brief RTEMS Report Rate Monotonic Statistics |
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| 5 | * @ingroup ClassicRateMon |
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| 6 | */ |
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| 7 | |
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| 8 | /* |
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[5290c5a] | 9 | * COPYRIGHT (c) 1989-2010. |
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[e1bce86] | 10 | * On-Line Applications Research Corporation (OAR). |
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| 11 | * |
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| 12 | * The license and distribution terms for this file may be |
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| 13 | * found in the file LICENSE in this distribution or at |
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[c499856] | 14 | * http://www.rtems.org/license/LICENSE. |
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[e1bce86] | 15 | */ |
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| 16 | |
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| 17 | #ifdef HAVE_CONFIG_H |
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| 18 | #include "config.h" |
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| 19 | #endif |
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| 20 | |
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[ecdcf01] | 21 | #include <rtems/rtems/ratemonimpl.h> |
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| 22 | #include <rtems/rtems/object.h> |
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[e1bce86] | 23 | |
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[ecdcf01] | 24 | #include <inttypes.h> |
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[e1bce86] | 25 | |
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[c6f7e060] | 26 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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[c3330a8] | 27 | /* We print to 1/10's of milliseconds */ |
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[8677cf7] | 28 | #define NANOSECONDS_DIVIDER 1000 |
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| 29 | #define PERCENT_FMT "%04" PRId32 |
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[b0ac06f8] | 30 | #define NANOSECONDS_FMT "%06" PRId32 |
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[c3330a8] | 31 | #endif |
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| 32 | |
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[90a5d194] | 33 | void rtems_rate_monotonic_report_statistics_with_plugin( |
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| 34 | void *context, |
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| 35 | rtems_printk_plugin_t print |
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| 36 | ) |
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[e1bce86] | 37 | { |
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| 38 | rtems_status_code status; |
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| 39 | rtems_id id; |
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| 40 | rtems_rate_monotonic_period_statistics the_stats; |
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| 41 | rtems_rate_monotonic_period_status the_status; |
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| 42 | char name[5]; |
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| 43 | |
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[90a5d194] | 44 | if ( !print ) |
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| 45 | return; |
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| 46 | |
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| 47 | (*print)( context, "Period information by period\n" ); |
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[c6f7e060] | 48 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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[bbb96ceb] | 49 | (*print)( context, "--- CPU times are in seconds ---\n" ); |
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| 50 | (*print)( context, "--- Wall times are in seconds ---\n" ); |
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| 51 | #endif |
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[c3330a8] | 52 | /* |
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| 53 | Layout by columns -- in memory of Hollerith :) |
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| 54 | |
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| 55 | 1234567890123456789012345678901234567890123456789012345678901234567890123456789\ |
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| 56 | ID OWNER COUNT MISSED X |
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| 57 | ididididid NNNN ccccc mmmmmm X |
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| 58 | |
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| 59 | Uncomment the following if you are tinkering with the formatting. |
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| 60 | Be sure to test the various cases. |
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[90a5d194] | 61 | (*print)( context,"\ |
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[c3330a8] | 62 | 1234567890123456789012345678901234567890123456789012345678901234567890123456789\ |
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| 63 | \n"); |
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[b0ac06f8] | 64 | */ |
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| 65 | (*print)( context, " ID OWNER COUNT MISSED " |
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[c6f7e060] | 66 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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[b0ac06f8] | 67 | " " |
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| 68 | #endif |
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| 69 | "CPU TIME " |
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[c6f7e060] | 70 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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| 71 | " " |
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[c3330a8] | 72 | #endif |
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| 73 | " WALL TIME\n" |
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[e1bce86] | 74 | ); |
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[b0ac06f8] | 75 | (*print)( context, " " |
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[c6f7e060] | 76 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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[b0ac06f8] | 77 | " " |
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| 78 | #endif |
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| 79 | "MIN/MAX/AVG " |
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[c6f7e060] | 80 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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| 81 | " " |
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[b0ac06f8] | 82 | #endif |
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| 83 | " MIN/MAX/AVG\n" |
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| 84 | ); |
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[e1bce86] | 85 | |
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| 86 | /* |
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| 87 | * Cycle through all possible ids and try to report on each one. If it |
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| 88 | * is a period that is inactive, we just get an error back. No big deal. |
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| 89 | */ |
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| 90 | for ( id=_Rate_monotonic_Information.minimum_id ; |
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| 91 | id <= _Rate_monotonic_Information.maximum_id ; |
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| 92 | id++ ) { |
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| 93 | status = rtems_rate_monotonic_get_statistics( id, &the_stats ); |
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| 94 | if ( status != RTEMS_SUCCESSFUL ) |
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| 95 | continue; |
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[05c1886] | 96 | |
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[e1bce86] | 97 | /* If the above passed, so should this but check it anyway */ |
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[115fb76] | 98 | #if defined(RTEMS_DEBUG) |
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[5290c5a] | 99 | status = rtems_rate_monotonic_get_status( id, &the_status ); |
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[115fb76] | 100 | if ( status != RTEMS_SUCCESSFUL ) |
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| 101 | continue; |
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[5290c5a] | 102 | #else |
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| 103 | (void) rtems_rate_monotonic_get_status( id, &the_status ); |
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[115fb76] | 104 | #endif |
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[e1bce86] | 105 | |
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[bbb96ceb] | 106 | rtems_object_get_name( the_status.owner, sizeof(name), name ); |
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[e1bce86] | 107 | |
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[c3330a8] | 108 | /* |
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[05c1886] | 109 | * Print part of report line that is not dependent on granularity |
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[c3330a8] | 110 | */ |
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[90a5d194] | 111 | (*print)( context, |
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[c3330a8] | 112 | "0x%08" PRIx32 " %4s %5" PRId32 " %6" PRId32 " ", |
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[e1bce86] | 113 | id, name, |
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[c3330a8] | 114 | the_stats.count, the_stats.missed_count |
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[e1bce86] | 115 | ); |
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[c3330a8] | 116 | |
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[b0ac06f8] | 117 | /* |
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| 118 | * If the count is zero, don't print statistics |
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| 119 | */ |
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| 120 | if (the_stats.count == 0) { |
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| 121 | (*print)( context, "\n" ); |
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| 122 | continue; |
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| 123 | } |
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| 124 | |
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[c3330a8] | 125 | /* |
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| 126 | * print CPU Usage part of statistics |
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| 127 | */ |
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| 128 | { |
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[c6f7e060] | 129 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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[9dc2c8d] | 130 | struct timespec cpu_average; |
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| 131 | struct timespec *min_cpu = &the_stats.min_cpu_time; |
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| 132 | struct timespec *max_cpu = &the_stats.max_cpu_time; |
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| 133 | struct timespec *total_cpu = &the_stats.total_cpu_time; |
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[c3330a8] | 134 | |
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[9dc2c8d] | 135 | _Timespec_Divide_by_integer( total_cpu, the_stats.count, &cpu_average ); |
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[90a5d194] | 136 | (*print)( context, |
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[b0ac06f8] | 137 | "%" PRId32 "." NANOSECONDS_FMT "/" /* min cpu time */ |
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| 138 | "%" PRId32 "." NANOSECONDS_FMT "/" /* max cpu time */ |
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| 139 | "%" PRId32 "." NANOSECONDS_FMT " ", /* avg cpu time */ |
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[9dc2c8d] | 140 | _Timespec_Get_seconds( min_cpu ), |
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| 141 | _Timespec_Get_nanoseconds( min_cpu ) / NANOSECONDS_DIVIDER, |
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| 142 | _Timespec_Get_seconds( max_cpu ), |
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| 143 | _Timespec_Get_nanoseconds( max_cpu ) / NANOSECONDS_DIVIDER, |
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| 144 | _Timespec_Get_seconds( &cpu_average ), |
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| 145 | _Timespec_Get_nanoseconds( &cpu_average ) / NANOSECONDS_DIVIDER |
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[c3330a8] | 146 | ); |
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| 147 | #else |
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| 148 | uint32_t ival_cpu, fval_cpu; |
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| 149 | |
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| 150 | ival_cpu = the_stats.total_cpu_time * 100 / the_stats.count; |
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| 151 | fval_cpu = ival_cpu % 100; |
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| 152 | ival_cpu /= 100; |
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| 153 | |
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[90a5d194] | 154 | (*print)( context, |
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[c3330a8] | 155 | "%3" PRId32 "/%4" PRId32 "/%3" PRId32 ".%02" PRId32 " ", |
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| 156 | the_stats.min_cpu_time, the_stats.max_cpu_time, ival_cpu, fval_cpu |
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| 157 | ); |
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| 158 | #endif |
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| 159 | } |
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| 160 | |
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| 161 | /* |
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[bbb96ceb] | 162 | * print wall time part of statistics |
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[c3330a8] | 163 | */ |
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| 164 | { |
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[c6f7e060] | 165 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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[9dc2c8d] | 166 | struct timespec wall_average; |
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| 167 | struct timespec *min_wall = &the_stats.min_wall_time; |
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| 168 | struct timespec *max_wall = &the_stats.max_wall_time; |
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| 169 | struct timespec *total_wall = &the_stats.total_wall_time; |
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[c16bcc0] | 170 | |
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[9dc2c8d] | 171 | _Timespec_Divide_by_integer(total_wall, the_stats.count, &wall_average); |
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[90a5d194] | 172 | (*print)( context, |
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[b0ac06f8] | 173 | "%" PRId32 "." NANOSECONDS_FMT "/" /* min wall time */ |
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| 174 | "%" PRId32 "." NANOSECONDS_FMT "/" /* max wall time */ |
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| 175 | "%" PRId32 "." NANOSECONDS_FMT "\n", /* avg wall time */ |
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[9dc2c8d] | 176 | _Timespec_Get_seconds( min_wall ), |
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| 177 | _Timespec_Get_nanoseconds( min_wall ) / NANOSECONDS_DIVIDER, |
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| 178 | _Timespec_Get_seconds( max_wall ), |
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| 179 | _Timespec_Get_nanoseconds( max_wall ) / NANOSECONDS_DIVIDER, |
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| 180 | _Timespec_Get_seconds( &wall_average ), |
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| 181 | _Timespec_Get_nanoseconds( &wall_average ) / NANOSECONDS_DIVIDER |
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[c3330a8] | 182 | ); |
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| 183 | #else |
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| 184 | uint32_t ival_wall, fval_wall; |
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| 185 | |
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| 186 | ival_wall = the_stats.total_wall_time * 100 / the_stats.count; |
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| 187 | fval_wall = ival_wall % 100; |
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| 188 | ival_wall /= 100; |
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[90a5d194] | 189 | (*print)( context, |
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[c3330a8] | 190 | "%3" PRId32 "/%4" PRId32 "/%3" PRId32 ".%02" PRId32 "\n", |
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| 191 | the_stats.min_wall_time, the_stats.max_wall_time, ival_wall, fval_wall |
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| 192 | ); |
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| 193 | #endif |
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| 194 | } |
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[e1bce86] | 195 | } |
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| 196 | } |
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[90a5d194] | 197 | |
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| 198 | void rtems_rate_monotonic_report_statistics( void ) |
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| 199 | { |
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| 200 | rtems_rate_monotonic_report_statistics_with_plugin( NULL, printk_plugin ); |
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| 201 | } |
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