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annotate TaskManager/Cell/spe/CellDmaManager.cc @ 999:451ddde9a16d

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Measurement of mainMem_alloc at waiting time. not done.
author tkaito
date Fri, 22 Oct 2010 20:11:41 +0900
parents 33630c6ff445
children 61f33945f85d
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include "CellDmaManager.h"
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4 #include "Scheduler.h"
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5
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6
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7 /**
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8 * DMA Load
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9 *
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10 * @param[in] buf Buffer of Load Data
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11 * @param[in] addr Address of Load Data at Main Memory
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12 * @param[in] size Size of Load Data
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13 * @param[in] mask DMA tag
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14 */
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15 void CellDmaManager::dma_load(void *buf, memaddr addr, uint32 size, uint32 mask)
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16 {
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17 if (size == 0) return ;
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18 mfc_get((volatile void *)buf, addr, size, mask, 0, 0);
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19
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20
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21 }
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22
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23 /**
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24 * DMA Store
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25 *
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26 * @param[in] buf Buffer of Store Data at SPE
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gongo@localhost.localdomain
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27 * @param[in] addr Address of Store Data at Main Memory
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gongo@localhost.localdomain
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28 * @param[in] size Size of Store Data
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gongo@localhost.localdomain
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29 * @param[in] mask DMA tag
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30 */
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31 void CellDmaManager::dma_store(void *buf, memaddr addr, uint32 size, uint32 mask)
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32 {
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33 if (size == 0) return ;
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34 mfc_put((volatile void *)buf, addr, size, mask, 0, 0);
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35 }
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36
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37 void CellDmaManager::dma_wait(uint32 mask)
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38 {
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39
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40 (this->*start_dmawait_profile)();
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41 mfc_write_tag_mask(1 << mask);
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42 mfc_write_tag_update_all();
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43 mfc_read_tag_status();
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44 __asm__ __volatile__(" sync");
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45 (this->*end_dmawait_profile)(&global_wait_time);
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46
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47 }
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48
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49 void CellDmaManager::dma_wait(uint32 mask, int cmd)
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50 {
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51
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52 unsigned long long wait = 0;
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53
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54 (this->*start_dmawait_profile)();
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55 mfc_write_tag_mask(1 << mask);
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56 mfc_write_tag_update_all();
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57 mfc_read_tag_status();
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58 __asm__ __volatile__(" sync");
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59 (this->*end_dmawait_profile)(&wait);
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60
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61 global_wait_time += wait;
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62
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63 if (cmd == TaskArray) {
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64 task_array_load_time += wait;
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65 } else if (cmd == TaskArray1) {
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66 }
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67
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68 }
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69
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70 void CellDmaManager::mail_write(memaddr data)
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71 {
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72 (this->*start_dmawait_profile)();
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73 spu_write_out_mbox((uint32)data);
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74 #if 0
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75 if (ABIBIT>32) {
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76 unsigned long data0 = (unsigned long)data;
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77 spu_write_out_mbox((uint32)(data0>>32));
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78 }
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79 #endif
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80 (this->*end_dmawait_profile)(&global_mail_time);
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81 }
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82
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83 memaddr CellDmaManager::mail_read()
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84 {
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85 (this->*start_dmawait_profile)();
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86 memaddr data = (memaddr)spu_read_in_mbox();
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87 #if 0
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88 if (ABIBIT>32) {
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89 data += (spu_read_in_mbox()<<32);
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90 }
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91 #endif
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92 (this->*end_dmawait_profile)(&global_mail_time);
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93 return data;
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94 }
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95
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96 void CellDmaManager::dma_loadList(ListDataPtr list, void *buff, uint32 mask)
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97 {
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98 mfc_getl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length,
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99 mask, 0, 0);
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100 }
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101
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102 void CellDmaManager::dma_storeList(ListDataPtr list, void *buff, uint32 mask)
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103 {
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104 mfc_putl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length,
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105 mask, 0, 0);
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106 }
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107
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108
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109 CellDmaManager::CellDmaManager()
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110 {
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111 stop_profile();
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112 }
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113
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114 void
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115 CellDmaManager::start_profile()
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116 {
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117 global_busy_time = 0;
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118 global_mail_time = 0;
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119 global_wait_time = 0;
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120 task_array_load_time = 0;
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121 start_dmawait_profile = &CellDmaManager::do_start_dmawait_profile;
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122 end_dmawait_profile = &CellDmaManager::do_end_dmawait_profile;
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123
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124 }
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125
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126 void
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127 CellDmaManager::stop_profile()
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128 {
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129 start_dmawait_profile = &CellDmaManager::null_start_dmawait_profile;
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130 end_dmawait_profile = &CellDmaManager::null_end_dmawait_profile;
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131 }
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132
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133 /**
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134 * DMA Wait
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135 *
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136 * @param[in] mask Tag for Wait DMA process
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137 */
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138 void
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139 CellDmaManager::do_start_dmawait_profile()
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140 {
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141 wait_time = spu_readch(SPU_RdDec);
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142 global_busy_time += busy_time - wait_time;
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143 spu_writech(SPU_WrDec, 0xffffffff);
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144
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145 // Measurement of mainMem_alloc
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146 mainMemalloc_time += (alloc_busy_time - wait_time)*alloc_flag;
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147 }
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148
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149
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150 void
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151 CellDmaManager::do_end_dmawait_profile(unsigned long long *counter)
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152 {
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153 wait_time = spu_readch(SPU_RdDec);
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154 *counter += 0xffffffff - wait_time;
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155 busy_time = wait_time;
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156
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157 // Measurement of mainMem_alloc
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158 alloc_busy_time = wait_time;
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159 }
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160
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161 void CellDmaManager::null_start_dmawait_profile() {}
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162 void CellDmaManager::null_end_dmawait_profile(unsigned long long *counter) {}
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163
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164 void
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165 CellDmaManager::show_dma_wait(Scheduler *s, int cpu)
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166 {
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167
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168 double r = ((double)global_busy_time)/((double)(
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169 global_busy_time+global_wait_time+global_mail_time
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170 ))*100.0;
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171
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172 double d = ((double)global_wait_time)/((double)(
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173 global_busy_time+global_wait_time+global_mail_time
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174 ))*100.0;
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175
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176 double m = ((double)global_mail_time)/((double)(
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177 global_busy_time+global_wait_time+global_mail_time
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178 ))*100.0;
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179
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180 s->printf("spu%d: busy_time = %lld"
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181 " wait_time = %lld(%.3g%%), "
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182 " mail_time = %lld(%.3g%%), "
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183 " busy_ratio = %.3g%%"
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184 " array_load_time = %lld\n"
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185 " mainMem_alloc_time = %lld\n"
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186 ,cpu, global_busy_time,
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187 global_wait_time, d, global_mail_time, m, r,
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188 task_array_load_time,
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189 mainMemalloc_time);
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190
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191 global_busy_time = 0;
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192 global_mail_time = 0;
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193 global_wait_time = 0;
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194 task_array_load_time = 0;
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195 mainMemalloc_time = 0;
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196 alloc_flag = 0;
255
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197 }
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198
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199
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200 /* end */