1 | /** |
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2 | * @file |
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3 | * |
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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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9 | * COPYRIGHT (c) 1989-2010. |
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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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14 | * http://www.rtems.org/license/LICENSE. |
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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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21 | #include <rtems/rtems/ratemonimpl.h> |
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22 | #include <rtems/rtems/object.h> |
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23 | |
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24 | #include <inttypes.h> |
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25 | |
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26 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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27 | /* We print to 1/10's of milliseconds */ |
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28 | #define NANOSECONDS_DIVIDER 1000 |
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29 | #define PERCENT_FMT "%04" PRId32 |
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30 | #define NANOSECONDS_FMT "%06" PRId32 |
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31 | #endif |
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32 | |
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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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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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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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48 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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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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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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61 | (*print)( context,"\ |
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62 | 1234567890123456789012345678901234567890123456789012345678901234567890123456789\ |
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63 | \n"); |
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64 | */ |
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65 | (*print)( context, " ID OWNER COUNT MISSED " |
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66 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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67 | " " |
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68 | #endif |
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69 | "CPU TIME " |
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70 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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71 | " " |
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72 | #endif |
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73 | " WALL TIME\n" |
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74 | ); |
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75 | (*print)( context, " " |
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76 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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77 | " " |
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78 | #endif |
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79 | "MIN/MAX/AVG " |
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80 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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81 | " " |
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82 | #endif |
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83 | " MIN/MAX/AVG\n" |
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84 | ); |
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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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96 | |
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97 | /* If the above passed, so should this but check it anyway */ |
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98 | #if defined(RTEMS_DEBUG) |
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99 | status = rtems_rate_monotonic_get_status( id, &the_status ); |
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100 | if ( status != RTEMS_SUCCESSFUL ) |
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101 | continue; |
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102 | #else |
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103 | (void) rtems_rate_monotonic_get_status( id, &the_status ); |
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104 | #endif |
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105 | |
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106 | rtems_object_get_name( the_status.owner, sizeof(name), name ); |
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107 | |
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108 | /* |
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109 | * Print part of report line that is not dependent on granularity |
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110 | */ |
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111 | (*print)( context, |
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112 | "0x%08" PRIx32 " %4s %5" PRId32 " %6" PRId32 " ", |
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113 | id, name, |
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114 | the_stats.count, the_stats.missed_count |
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115 | ); |
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116 | |
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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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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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129 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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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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134 | |
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135 | _Timespec_Divide_by_integer( total_cpu, the_stats.count, &cpu_average ); |
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136 | (*print)( context, |
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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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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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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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154 | (*print)( context, |
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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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162 | * print wall time part of statistics |
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163 | */ |
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164 | { |
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165 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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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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170 | |
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171 | _Timespec_Divide_by_integer(total_wall, the_stats.count, &wall_average); |
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172 | (*print)( context, |
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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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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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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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189 | (*print)( context, |
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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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195 | } |
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196 | } |
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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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