1 | /* |
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2 | * COPYRIGHT (c) 1989-2011. |
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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 | #define NUM_CPUS 4 |
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15 | |
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16 | #include "tmacros.h" |
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17 | |
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18 | const char rtems_test_name[] = "SMPAFFINITY 1"; |
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19 | |
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20 | rtems_id Init_id; |
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21 | rtems_id Med_id[NUM_CPUS-1]; |
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22 | rtems_id Low_id[NUM_CPUS]; |
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23 | |
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24 | /* forward declarations to avoid warnings */ |
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25 | void Task_1(rtems_task_argument arg); |
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26 | void Validate_setaffinity_errors(void); |
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27 | void Validate_getaffinity_errors(void); |
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28 | void Validate_affinity(void); |
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29 | |
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30 | void Task_1(rtems_task_argument arg) |
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31 | { |
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32 | while(1); |
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33 | } |
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34 | |
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35 | void Validate_setaffinity_errors(void) |
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36 | { |
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37 | int sc; |
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38 | cpu_set_t cpuset; |
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39 | |
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40 | /* Verify rtems_task_set_affinity checks that all cpu's exist. */ |
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41 | /* Note this check assumes you are running with less than 32 CPUs */ |
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42 | CPU_FILL(&cpuset); |
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43 | puts( "Init - rtems_task_set_affinity - Invalid cpu - RTEMS_INVALID_NUMBER" ); |
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44 | sc = rtems_task_set_affinity( Init_id, sizeof(cpu_set_t), &cpuset ); |
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45 | rtems_test_assert( sc == RTEMS_INVALID_NUMBER ); |
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46 | |
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47 | /* Verify rtems_task_set_affinity checks that at least one cpu is set */ |
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48 | CPU_ZERO(&cpuset); |
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49 | puts( "Init - rtems_task_set_affinity - no cpu - RTEMS_INVALID_NUMBER" ); |
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50 | sc = rtems_task_set_affinity( Init_id, sizeof(cpu_set_t), &cpuset ); |
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51 | rtems_test_assert( sc == RTEMS_INVALID_NUMBER ); |
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52 | |
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53 | /* Verify rtems_task_set_affinity checks that at thread id is valid */ |
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54 | CPU_ZERO(&cpuset); |
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55 | CPU_SET(0, &cpuset); |
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56 | puts( "Init - rtems_task_set_affinity - Invalid thread - RTEMS_INVALID_ID" ); |
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57 | sc = rtems_task_set_affinity( 999, sizeof(cpu_set_t), &cpuset ); |
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58 | rtems_test_assert( sc == RTEMS_INVALID_ID ); |
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59 | |
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60 | /* Verify rtems_task_set_affinity validates cpusetsize */ |
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61 | puts( "Init - rtems_task_set_affinity - Invalid cpusetsize - RTEMS_INVALID_NUMBER" ); |
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62 | sc = rtems_task_set_affinity( Init_id, 1, &cpuset ); |
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63 | rtems_test_assert( sc == RTEMS_INVALID_NUMBER ); |
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64 | |
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65 | /* Verifyrtems_task_set_affinity validates cpuset */ |
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66 | puts( "Init - rtems_task_set_affinity - Invalid cpuset - RTEMS_INVALID_ADDRESS" ); |
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67 | sc = rtems_task_set_affinity( Init_id, sizeof(cpu_set_t), NULL ); |
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68 | rtems_test_assert( sc == RTEMS_INVALID_ADDRESS ); |
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69 | } |
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70 | |
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71 | void Validate_getaffinity_errors(void) |
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72 | { |
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73 | int sc; |
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74 | cpu_set_t cpuset; |
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75 | |
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76 | /* Verify rtems_task_get_affinity checks that at thread id is valid */ |
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77 | CPU_ZERO(&cpuset); |
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78 | CPU_SET(0, &cpuset); |
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79 | puts( "Init - rtems_task_get_affinity - Invalid thread - RTEMS_INVALID_ID" ); |
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80 | sc = rtems_task_get_affinity( 999, sizeof(cpu_set_t), &cpuset ); |
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81 | rtems_test_assert( sc == RTEMS_INVALID_ID ); |
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82 | |
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83 | /* Verify rtems_task_get_affinity validates cpusetsize */ |
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84 | puts( |
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85 | "Init - rtems_task_get_affinity - Invalid cpusetsize - RTEMS_INVALID_NUMBER" |
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86 | ); |
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87 | sc = rtems_task_get_affinity( Init_id, 1, &cpuset ); |
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88 | rtems_test_assert( sc == RTEMS_INVALID_NUMBER ); |
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89 | |
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90 | /* Verify rtems_task_get_affinity validates cpuset */ |
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91 | puts("Init - rtems_task_get_affinity - Invalid cpuset - RTEMS_INVALID_ADDRESS"); |
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92 | sc = rtems_task_get_affinity( Init_id, sizeof(cpu_set_t), NULL ); |
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93 | rtems_test_assert( sc == RTEMS_INVALID_ADDRESS ); |
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94 | } |
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95 | |
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96 | void Validate_affinity(void ) |
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97 | { |
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98 | cpu_set_t cpuset0; |
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99 | cpu_set_t cpuset1; |
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100 | cpu_set_t cpuset2; |
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101 | uint32_t i; |
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102 | int sc; |
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103 | int cpu_count; |
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104 | rtems_task_priority priority; |
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105 | char ch[2]; |
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106 | |
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107 | puts( "Init - Set Init priority to high"); |
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108 | sc = rtems_task_set_priority( Init_id, 1, &priority ); |
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109 | directive_failed( sc, "Set Init Priority" ); |
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110 | |
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111 | sc = rtems_task_get_affinity( Init_id, sizeof(cpu_set_t), &cpuset0 ); |
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112 | directive_failed( sc, "Get Affinity of Init Task" ); |
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113 | |
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114 | /* Get the number of processors that we are using. */ |
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115 | cpu_count = rtems_get_processor_count(); |
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116 | |
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117 | /* Fill the remaining cpus with med priority tasks */ |
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118 | puts( "Init - Create Medium priority tasks"); |
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119 | for (i=0; i<(cpu_count-1); i++){ |
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120 | sprintf(ch, "%01" PRId32, i+1 ); |
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121 | sc = rtems_task_create( |
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122 | rtems_build_name( 'C', 'P', 'U', ch[0] ), |
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123 | 2, |
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124 | RTEMS_MINIMUM_STACK_SIZE, |
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125 | RTEMS_DEFAULT_MODES, |
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126 | RTEMS_DEFAULT_ATTRIBUTES, |
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127 | &Med_id[i] |
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128 | ); |
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129 | directive_failed( sc, "task create" ); |
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130 | |
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131 | sc = rtems_task_start( Med_id[i], Task_1, i+1 ); |
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132 | directive_failed( sc, "task start" ); |
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133 | |
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134 | sc = rtems_task_get_affinity( Med_id[i], sizeof(cpu_set_t), &cpuset2 ); |
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135 | directive_failed( sc, "Get Affinity of Medium Priority Task" ); |
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136 | rtems_test_assert( CPU_EQUAL(&cpuset0, &cpuset2) ); |
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137 | } |
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138 | |
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139 | /* |
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140 | * Create low priority thread for each remaining cpu with the affinity |
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141 | * set to only run on one cpu. |
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142 | */ |
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143 | puts( "Init - Create Low priority tasks"); |
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144 | for (i=0; i<cpu_count; i++){ |
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145 | CPU_ZERO(&cpuset1); |
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146 | CPU_SET(i, &cpuset1); |
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147 | |
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148 | sprintf(ch, "%01" PRId32, (uint32_t) 0 ); |
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149 | sc = rtems_task_create( |
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150 | rtems_build_name( 'X', 'T', 'R', ch[0] ), |
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151 | 10, |
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152 | RTEMS_MINIMUM_STACK_SIZE, |
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153 | RTEMS_DEFAULT_MODES, |
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154 | RTEMS_DEFAULT_ATTRIBUTES, |
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155 | &Low_id[i] |
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156 | ); |
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157 | directive_failed( sc, "task create" ); |
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158 | |
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159 | sc = rtems_task_set_affinity( Low_id[i], sizeof(cpu_set_t), &cpuset1 ); |
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160 | directive_failed( sc, "Low priority task set affinity" ); |
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161 | |
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162 | sc = rtems_task_start( Low_id[i], Task_1, i+1 ); |
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163 | directive_failed( sc, "task start" ); |
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164 | } |
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165 | |
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166 | |
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167 | /* Verify affinity on low priority tasks */ |
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168 | puts("Init - Verify affinity on Low priority tasks"); |
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169 | for (i=0; i<cpu_count; i++){ |
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170 | CPU_ZERO(&cpuset1); |
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171 | CPU_SET(i, &cpuset1); |
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172 | |
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173 | sc = rtems_task_get_affinity( Low_id[i], sizeof(cpu_set_t), &cpuset2 ); |
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174 | directive_failed( sc, "Low priority task get affinity" ); |
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175 | rtems_test_assert( CPU_EQUAL(&cpuset1, &cpuset2) ); |
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176 | } |
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177 | |
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178 | /* Change the affinity for each low priority task */ |
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179 | puts("Init - Change affinity on Low priority tasks"); |
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180 | CPU_COPY(&cpuset0, &cpuset1); |
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181 | for (i=0; i<cpu_count; i++){ |
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182 | |
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183 | CPU_CLR(i, &cpuset1); |
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184 | sc = rtems_task_set_affinity( Low_id[i], sizeof(cpu_set_t), &cpuset1 ); |
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185 | |
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186 | /* Verify no cpu's are now set in the cpuset */ |
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187 | if (i== (cpu_count-1)) { |
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188 | rtems_test_assert( sc == RTEMS_INVALID_NUMBER ); |
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189 | sc = rtems_task_set_affinity( Low_id[i], sizeof(cpu_set_t), &cpuset0 ); |
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190 | } |
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191 | |
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192 | directive_failed( sc, "Low priority task set affinity" ); |
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193 | } |
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194 | |
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195 | puts("Init - Validate affinity on Low priority tasks"); |
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196 | CPU_COPY(&cpuset0, &cpuset1); |
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197 | for (i=0; i<cpu_count; i++){ |
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198 | CPU_CLR(i, &cpuset1); |
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199 | |
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200 | sc = rtems_task_get_affinity( Low_id[i], sizeof(cpu_set_t), &cpuset2 ); |
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201 | directive_failed( sc, "Low priority task get affinity" ); |
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202 | if (i== (cpu_count-1)) |
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203 | rtems_test_assert( CPU_EQUAL(&cpuset0, &cpuset2) ); |
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204 | else |
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205 | rtems_test_assert( CPU_EQUAL(&cpuset1, &cpuset2) ); |
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206 | } |
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207 | } |
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208 | |
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209 | static void Init(rtems_task_argument arg) |
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210 | { |
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211 | int sc; |
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212 | |
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213 | TEST_BEGIN(); |
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214 | |
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215 | /* Initialize thread id */ |
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216 | sc = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &Init_id ); |
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217 | directive_failed( sc, "Identify Init Task" ); |
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218 | |
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219 | Validate_setaffinity_errors(); |
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220 | Validate_getaffinity_errors(); |
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221 | Validate_affinity(); |
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222 | |
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223 | TEST_END(); |
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224 | rtems_test_exit(0); |
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225 | } |
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226 | |
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227 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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228 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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229 | |
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230 | #define CONFIGURE_SCHEDULER_PRIORITY_AFFINITY_SMP |
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231 | |
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232 | #define CONFIGURE_MAXIMUM_PROCESSORS NUM_CPUS |
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233 | |
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234 | #define CONFIGURE_MAXIMUM_TASKS (NUM_CPUS*2) |
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235 | |
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236 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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237 | |
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238 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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239 | |
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240 | #define CONFIGURE_INIT |
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241 | |
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242 | #include <rtems/confdefs.h> |
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