1 | /* |
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2 | * COPYRIGHT (c) 1989-2012. |
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3 | * On-Line Applications Research Corporation (OAR). |
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4 | * |
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5 | * The license and distribution terms for this file may be |
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6 | * found in the file LICENSE in this distribution or at |
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7 | * http://www.rtems.org/license/LICENSE. |
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8 | */ |
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9 | |
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10 | #ifdef HAVE_CONFIG_H |
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11 | #include "config.h" |
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12 | #endif |
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13 | |
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14 | #include <rtems/cpuuse.h> |
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15 | #include <tmacros.h> |
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16 | #include "test_support.h" |
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17 | |
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18 | const char rtems_test_name[] = "SP 69"; |
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19 | |
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20 | /* forward declarations to avoid warnings */ |
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21 | rtems_task Init(rtems_task_argument argument); |
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22 | |
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23 | rtems_task Init( |
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24 | rtems_task_argument argument |
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25 | ) |
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26 | { |
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27 | rtems_id period_id; |
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28 | rtems_name period_name; |
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29 | rtems_rate_monotonic_period_status period_status; |
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30 | rtems_status_code status; |
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31 | rtems_rate_monotonic_period_statistics statistics; |
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32 | int i; |
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33 | |
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34 | period_name = rtems_build_name('P','E','R','1'); |
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35 | |
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36 | TEST_BEGIN(); |
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37 | |
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38 | /* create period */ |
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39 | status = rtems_rate_monotonic_create( |
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40 | period_name, |
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41 | &period_id |
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42 | ); |
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43 | directive_failed( status, "rate_monotonic_create" ); |
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44 | |
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45 | /* |
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46 | * Check get_status on an inactive period. |
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47 | */ |
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48 | puts( |
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49 | "rtems_rate_monotonic_get_status - verify values of an inactive period" |
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50 | ); |
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51 | |
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52 | status = rtems_rate_monotonic_get_status( period_id, &period_status ); |
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53 | directive_failed( status, "rate_monotonic_get_status" ); |
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54 | |
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55 | /* Check status values. */ |
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56 | rtems_test_assert( period_status.owner == rtems_task_self() ); |
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57 | rtems_test_assert( period_status.state == RATE_MONOTONIC_INACTIVE ); |
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58 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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59 | rtems_test_assert( period_status.since_last_period.tv_sec == 0 ); |
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60 | rtems_test_assert( period_status.since_last_period.tv_nsec == 0 ); |
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61 | rtems_test_assert( period_status.executed_since_last_period.tv_sec == 0 ); |
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62 | rtems_test_assert( period_status.executed_since_last_period.tv_nsec == 0 ); |
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63 | #else |
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64 | rtems_test_assert( period_status.since_last_period == 0 ); |
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65 | rtems_test_assert( period_status.executed_since_last_period == 0 ); |
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66 | #endif |
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67 | |
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68 | /* |
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69 | * Check get_status error cases. |
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70 | */ |
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71 | puts( "rtems_rate_monotonic_get_status - check RTEMS_NOT_DEFINED" ); |
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72 | |
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73 | /* Do some work to get a non-zero cpu usage */ |
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74 | rtems_test_spin_for_ticks( 10 ); |
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75 | |
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76 | status = rtems_rate_monotonic_period( period_id, 100 ); |
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77 | directive_failed( status, "rate_monotonic_period" ); |
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78 | |
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79 | /* Do some more work */ |
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80 | rtems_test_spin_for_ticks( 10 ); |
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81 | |
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82 | /* Reset the cpu usage statistics. */ |
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83 | rtems_cpu_usage_reset(); |
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84 | |
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85 | /* Status should be undefined. */ |
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86 | status = rtems_rate_monotonic_get_status( period_id, &period_status ); |
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87 | fatal_directive_status( |
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88 | status, |
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89 | RTEMS_NOT_DEFINED, |
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90 | "rtems_rate_monotonic_get_status after cpu usage reset" |
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91 | ); |
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92 | |
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93 | /* Clean up. */ |
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94 | status = rtems_rate_monotonic_cancel( period_id ); |
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95 | directive_failed( status, "rate_monotonic_cancel" ); |
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96 | |
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97 | /* |
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98 | * Check normal get_status results. |
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99 | */ |
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100 | puts( "rtems_rate_monotonic_get_status - verify values of an active period" ); |
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101 | rtems_test_spin_until_next_tick(); |
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102 | status = rtems_rate_monotonic_period( period_id, 100 ); |
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103 | directive_failed( status, "rate_monotonic_period" ); |
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104 | |
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105 | /* Do some work */ |
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106 | rtems_test_spin_for_ticks( 10 ); |
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107 | |
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108 | /* Block a little */ |
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109 | status = rtems_task_wake_after( 50 ); |
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110 | |
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111 | /* Check the status */ |
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112 | status = rtems_rate_monotonic_get_status( period_id, &period_status ); |
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113 | directive_failed( status, "rate_monotonic_get_status" ); |
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114 | |
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115 | /* Check status values. */ |
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116 | #ifndef __RTEMS_USE_TICKS_FOR_STATISTICS__ |
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117 | /* Note: POSIX mandates struct timespec->tv_nsec to be a "long" */ |
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118 | printf( |
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119 | "wall time should be ~600000000 is %ld\n", |
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120 | period_status.since_last_period.tv_nsec |
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121 | ); |
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122 | printf( |
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123 | "cpu time should be ~100000000 is %ld\n", |
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124 | period_status.executed_since_last_period.tv_nsec |
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125 | ); |
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126 | rtems_test_assert( period_status.since_last_period.tv_sec == 0 ); |
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127 | rtems_test_assert( period_status.since_last_period.tv_nsec >= 600000000 ); |
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128 | rtems_test_assert( period_status.since_last_period.tv_nsec <= 610000000 ); |
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129 | rtems_test_assert( period_status.executed_since_last_period.tv_sec == 0 ); |
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130 | rtems_test_assert( |
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131 | period_status.executed_since_last_period.tv_nsec >= 100000000 |
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132 | ); |
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133 | rtems_test_assert( |
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134 | period_status.executed_since_last_period.tv_nsec <= 110000000 |
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135 | ); |
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136 | #else |
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137 | printf( |
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138 | "wall time should be ~60 is %" PRId32 "\n", |
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139 | (int) period_status.since_last_period |
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140 | ); |
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141 | printf( |
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142 | "cpu time should be ~10 is %" PRId32 "\n", |
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143 | (int) period_status.executed_since_last_period |
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144 | ); |
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145 | rtems_test_assert( period_status.since_last_period >= 60 ); |
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146 | rtems_test_assert( period_status.since_last_period <= 61 ); |
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147 | rtems_test_assert( period_status.executed_since_last_period >= 10 ); |
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148 | rtems_test_assert( period_status.executed_since_last_period <= 12 ); |
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149 | #endif |
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150 | |
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151 | /* ensure the missed periods are properly accounted for */ |
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152 | puts( "rtems_rate_monotonic_cancel - OK" ); |
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153 | status = rtems_rate_monotonic_cancel( period_id ); |
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154 | directive_failed( status, "rate_monotonic_cancel" ); |
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155 | |
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156 | puts( "Testing statistics on missed periods" ); |
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157 | rtems_test_spin_until_next_tick(); |
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158 | status = rtems_rate_monotonic_period( period_id, 50 ); |
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159 | directive_failed( status, "rate_monotonic_period above loop" ); |
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160 | |
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161 | for ( i=1 ; i <= 3 ; i++ ) { |
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162 | status = rtems_task_wake_after( 100 ); |
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163 | directive_failed( status, "rtems_task_wake_after(100)" ); |
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164 | |
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165 | rtems_test_spin_until_next_tick(); |
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166 | status = rtems_rate_monotonic_period( period_id, 50 ); |
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167 | fatal_directive_status( |
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168 | status, |
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169 | RTEMS_TIMEOUT, |
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170 | "rtems_rate_monotonic_period 2-n" |
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171 | ); |
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172 | |
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173 | status = rtems_rate_monotonic_get_statistics( period_id, &statistics ); |
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174 | directive_failed( status, "rate_monotonic_get_statistics" ); |
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175 | if ( statistics.missed_count != i ) { |
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176 | printf( |
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177 | "Expected %d got %" PRIu32 " for missed_count\n", |
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178 | i, |
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179 | statistics.missed_count |
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180 | ); |
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181 | } |
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182 | |
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183 | rtems_test_assert( statistics.missed_count == i ); |
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184 | } |
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185 | |
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186 | TEST_END(); |
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187 | |
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188 | rtems_test_exit(0); |
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189 | } |
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190 | |
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191 | /* configuration information */ |
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192 | |
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193 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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194 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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195 | |
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196 | #define CONFIGURE_MILLISECONDS_PER_TICK 1 |
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197 | |
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198 | #define CONFIGURE_MAXIMUM_TASKS 1 |
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199 | #define CONFIGURE_MAXIMUM_PERIODS 1 |
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200 | |
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201 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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202 | |
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203 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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204 | |
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205 | |
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206 | #define CONFIGURE_INIT |
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207 | |
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208 | #include <rtems/confdefs.h> |
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209 | /* end of file */ |
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