Mercurial > hg > Game > Cerium
annotate TaskManager/Cell/CellDmaManager.cc @ 2022:fac44ad2867d draft
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| author | Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 16 Jul 2014 02:50:32 +0900 |
| parents | e0d465efc57e |
| children |
| rev | line source |
|---|---|
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1 //#include <stdio.h> |
| 88 | 2 #include <stdlib.h> |
| 59 | 3 #include "CellDmaManager.h" |
| 736 | 4 #include "Scheduler.h" |
| 672 | 5 |
| 6 | |
| 1001 | 7 unsigned long long alloc_flag = 0; |
| 1009 | 8 |
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9 /** |
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10 * DMA Load |
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11 * |
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12 * @param[in] buf Buffer of Load Data |
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13 * @param[in] addr Address of Load Data at Main Memory |
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14 * @param[in] size Size of Load Data |
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15 * @param[in] mask DMA tag |
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16 */ |
| 1417 | 17 void *CellDmaManager::dma_load(Scheduler *s, memaddr addr, uint32 size, uint32 mask) |
| 59 | 18 { |
| 1417 | 19 void *buf = 0; |
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20 if (size == 0) return buf; |
| 1417 | 21 buf = s->manager->allocate(size); |
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22 mfc_get((volatile void *)buf, addr, size, mask, 0, 0); |
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23 return buf; |
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24 } |
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25 |
| 1417 | 26 void *CellDmaManager::dma_load1(void *buf, memaddr addr, uint32 size, uint32 mask) |
| 27 { | |
| 28 if (size == 0) return buf; | |
| 29 mfc_get((volatile void *)buf, addr, size, mask, 0, 0); | |
| 30 return buf; | |
| 31 } | |
| 32 | |
| 33 | |
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34 void * |
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35 CellDmaManager::get_writebuf(Scheduler *s,memaddr addr, uint32 size) |
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36 { |
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37 void *b = s->manager->allocate(size); |
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38 return b; |
| 59 | 39 } |
| 40 | |
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41 /** |
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42 * DMA Store |
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43 * |
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44 * @param[in] buf Buffer of Store Data at SPE |
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45 * @param[in] addr Address of Store Data at Main Memory |
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46 * @param[in] size Size of Store Data |
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47 * @param[in] mask DMA tag |
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48 */ |
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49 void* CellDmaManager::dma_store(Scheduler *s,void *buf, memaddr addr, uint32 size, uint32 mask) |
| 59 | 50 { |
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51 if (size == 0) return buf; |
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52 mfc_put((volatile void *)buf, addr, size, mask, 0, 0); |
| 1417 | 53 return buf; |
| 59 | 54 } |
| 55 | |
| 672 | 56 void CellDmaManager::dma_wait(uint32 mask) |
| 57 { | |
| 58 (this->*start_dmawait_profile)(); | |
| 59 mfc_write_tag_mask(1 << mask); | |
| 60 mfc_write_tag_update_all(); | |
| 61 mfc_read_tag_status(); | |
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62 __asm__ __volatile__(" sync"); |
| 675 | 63 (this->*end_dmawait_profile)(&global_wait_time); |
| 672 | 64 } |
| 65 | |
| 1401 | 66 #ifndef MAIL_QUEUE |
| 67 | |
| 672 | 68 void CellDmaManager::mail_write(memaddr data) |
| 69 { | |
| 70 (this->*start_dmawait_profile)(); | |
| 71 spu_write_out_mbox((uint32)data); | |
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72 #if 0 |
| 672 | 73 if (ABIBIT>32) { |
| 74 unsigned long data0 = (unsigned long)data; | |
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75 spu_write_out_mbox((uint32)(data0>>32)); |
| 672 | 76 } |
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77 #endif |
| 675 | 78 (this->*end_dmawait_profile)(&global_mail_time); |
| 672 | 79 } |
| 1401 | 80 #else |
| 672 | 81 |
| 1007 | 82 // mail を queue にしたみた。mailの書き出しの待ちあるのかわからないけど |
| 83 //TASK_LIST_MAIL は仕事が最後に溜まってしまうけど、MailQueueなら出来る時にmailを書き出す | |
| 84 //ので多少は効果あるといいな。 | |
| 1401 | 85 void CellDmaManager::mail_write(memaddr data) |
| 1007 | 86 { |
| 1124 | 87 unsigned long long wait = 0; |
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88 |
| 1009 | 89 if (0 != spu_readchcnt(SPU_WrOutMbox)) { |
| 1021 | 90 if (mail_queue->count()) { |
| 1124 | 91 (this->*start_dmawait_profile)(); |
| 1007 | 92 spu_write_out_mbox((uint32)data); |
| 1124 | 93 (this->*end_dmawait_profile)(&wait); |
| 94 mail_write_time += wait; | |
| 95 global_wait_time += wait; | |
| 1007 | 96 } else { |
| 1021 | 97 |
| 98 //mail_queue から poll する | |
| 1124 | 99 (this->*start_dmawait_profile)(); |
| 1021 | 100 spu_write_out_mbox((uint32)mail_queue->recv()); |
| 1124 | 101 (this->*end_dmawait_profile)(&wait); |
| 102 mail_write_time += wait; | |
| 103 global_wait_time += wait; | |
| 1021 | 104 //mail_queue に加える |
| 105 mail_queue->send(data); | |
| 106 | |
| 1007 | 107 } |
| 108 } else { | |
| 1021 | 109 |
| 110 mail_queue->send(data); | |
| 111 | |
| 1007 | 112 } |
| 1124 | 113 |
| 1007 | 114 } |
| 1401 | 115 #endif |
| 1007 | 116 |
| 1125 | 117 // tasklist がもうない場合に、MailQueue 全部を書き出す |
| 1007 | 118 void CellDmaManager::mail_write_finish_list(memaddr data) |
| 119 { | |
| 120 | |
| 1417 | 121 unsigned long long wait = 0; |
| 1007 | 122 |
| 1021 | 123 while (mail_queue->count()) { |
| 1124 | 124 (this->*start_dmawait_profile)(); |
| 125 spu_write_out_mbox((uint32)mail_queue->recv()); | |
| 126 (this->*end_dmawait_profile)(&wait); | |
| 1021 | 127 |
| 1124 | 128 global_mail_time += wait; |
| 129 finish_mail_write_time += wait; | |
| 1021 | 130 |
| 1007 | 131 } |
| 132 | |
| 1124 | 133 (this->*start_dmawait_profile)(); |
| 1007 | 134 spu_write_out_mbox((uint32)data); |
| 1124 | 135 (this->*end_dmawait_profile)(&wait); |
| 1007 | 136 |
| 1124 | 137 global_mail_time += wait; |
| 138 finish_mail_write_time += wait; | |
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139 |
| 1007 | 140 } |
| 141 | |
| 672 | 142 memaddr CellDmaManager::mail_read() |
| 143 { | |
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144 |
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145 |
| 1124 | 146 unsigned long long wait = 0; |
| 147 | |
| 672 | 148 (this->*start_dmawait_profile)(); |
| 149 memaddr data = (memaddr)spu_read_in_mbox(); | |
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150 |
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151 #if 0 |
| 672 | 152 if (ABIBIT>32) { |
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153 data += (spu_read_in_mbox()<<32); |
| 672 | 154 } |
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155 #endif |
| 1124 | 156 (this->*end_dmawait_profile)(&wait); |
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157 |
| 1124 | 158 global_mail_time += wait; |
| 159 mail_read_time += wait; | |
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160 |
| 672 | 161 return data; |
| 162 } | |
| 163 | |
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164 memaddr CellDmaManager::task_list_mail_read() |
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165 { |
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166 |
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167 unsigned long long wait = 0; |
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168 |
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169 (this->*start_dmawait_profile)(); |
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170 memaddr data = (memaddr)spu_read_in_mbox(); |
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171 (this->*end_dmawait_profile)(&wait); |
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172 |
| 1123 | 173 |
| 1124 | 174 task_list_mail_read_time += wait; |
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175 global_mail_time += wait; |
| 1123 | 176 task_list_read_count += 1; |
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177 |
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178 return data; |
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179 } |
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180 |
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181 |
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182 |
| 1417 | 183 void *CellDmaManager::dma_loadList(Scheduler *s, ListDataPtr list, uint32 mask) |
| 672 | 184 { |
| 1417 | 185 void *buff = s->manager->allocate(list->size); |
| 672 | 186 mfc_getl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length, |
| 187 mask, 0, 0); | |
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188 return buff; |
| 672 | 189 } |
| 190 | |
| 191 void CellDmaManager::dma_storeList(ListDataPtr list, void *buff, uint32 mask) | |
| 192 { | |
| 193 mfc_putl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length, | |
| 194 mask, 0, 0); | |
| 195 } | |
| 196 | |
| 197 CellDmaManager::CellDmaManager() | |
| 198 { | |
| 1009 | 199 |
| 1021 | 200 mail_queue = new MailManager(); |
| 672 | 201 stop_profile(); |
| 202 } | |
| 203 void | |
| 204 CellDmaManager::start_profile() | |
| 205 { | |
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206 global_busy_time = 0; |
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207 global_mail_time = 0; |
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208 global_wait_time = 0; |
| 1124 | 209 task_list_mail_read_time = 0; |
| 210 finish_mail_write_time = 0; | |
| 1123 | 211 task_list_read_count = 0; |
| 1124 | 212 |
| 213 mail_read_time = 0; | |
| 214 mail_write_time = 0; | |
| 215 | |
| 672 | 216 start_dmawait_profile = &CellDmaManager::do_start_dmawait_profile; |
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217 end_dmawait_profile = &CellDmaManager::do_end_dmawait_profile; |
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218 |
| 672 | 219 } |
| 220 | |
| 221 void | |
| 222 CellDmaManager::stop_profile() | |
| 223 { | |
| 224 start_dmawait_profile = &CellDmaManager::null_start_dmawait_profile; | |
| 225 end_dmawait_profile = &CellDmaManager::null_end_dmawait_profile; | |
| 226 } | |
| 227 | |
| 59 | 228 /** |
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229 * DMA Wait |
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230 * |
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231 * @param[in] mask Tag for Wait DMA process |
| 59 | 232 */ |
| 275 | 233 void |
| 672 | 234 CellDmaManager::do_start_dmawait_profile() |
| 242 | 235 { |
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236 |
| 242 | 237 wait_time = spu_readch(SPU_RdDec); |
| 238 global_busy_time += busy_time - wait_time; | |
| 1071 | 239 //printf("busy_time = %d, wait_time = %d\n", busy_time, wait_time); |
| 242 | 240 spu_writech(SPU_WrDec, 0xffffffff); |
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241 |
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242 // Measurement of mainMem_alloc |
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243 mainMemalloc_time += (alloc_busy_time - wait_time)*alloc_flag; |
| 242 | 244 } |
| 245 | |
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246 |
| 275 | 247 void |
| 676 | 248 CellDmaManager::do_end_dmawait_profile(unsigned long long *counter) |
| 242 | 249 { |
| 250 wait_time = spu_readch(SPU_RdDec); | |
| 1053 | 251 //printf("wait_time = %d", wait_time); |
| 675 | 252 *counter += 0xffffffff - wait_time; |
| 242 | 253 busy_time = wait_time; |
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254 |
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255 // Measurement of mainMem_alloc |
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256 alloc_busy_time = wait_time; |
| 242 | 257 } |
| 239 | 258 |
| 672 | 259 void CellDmaManager::null_start_dmawait_profile() {} |
| 676 | 260 void CellDmaManager::null_end_dmawait_profile(unsigned long long *counter) {} |
| 672 | 261 |
| 239 | 262 void |
| 736 | 263 CellDmaManager::show_dma_wait(Scheduler *s, int cpu) |
| 255 | 264 { |
| 265 | |
| 675 | 266 double r = ((double)global_busy_time)/((double)( |
| 267 global_busy_time+global_wait_time+global_mail_time | |
| 676 | 268 ))*100.0; |
| 924 | 269 |
| 270 double d = ((double)global_wait_time)/((double)( | |
| 271 global_busy_time+global_wait_time+global_mail_time | |
| 272 ))*100.0; | |
| 273 | |
| 274 double m = ((double)global_mail_time)/((double)( | |
| 275 global_busy_time+global_wait_time+global_mail_time | |
| 276 ))*100.0; | |
| 277 | |
| 1124 | 278 double tr = ((double)task_list_mail_read_time)/((double)( |
| 279 global_busy_time+global_wait_time+global_mail_time | |
| 280 ))*100.0; | |
| 281 | |
| 282 double tw = ((double)finish_mail_write_time)/((double)( | |
| 283 global_busy_time+global_wait_time+global_mail_time | |
| 284 ))*100.0; | |
| 285 | |
| 286 double mr = ((double)mail_read_time)/((double)( | |
| 287 global_busy_time+global_wait_time+global_mail_time | |
| 288 ))*100.0; | |
| 289 | |
| 290 double mw = ((double)mail_write_time)/((double)( | |
| 1025 | 291 global_busy_time+global_wait_time+global_mail_time |
| 292 ))*100.0; | |
| 293 | |
| 294 | |
| 1124 | 295 s->printf("spu%d:\n busy_time = %lld" |
| 924 | 296 " wait_time = %lld(%.3g%%), " |
| 297 " mail_time = %lld(%.3g%%), " | |
| 1124 | 298 " mail_read_time = %lld(%.3g%%), " |
| 299 " mail_write_time = %lld(%.3g%%),\n" | |
| 300 " task_list_mail_read_time = %lld(%.3g%%), " | |
| 301 " finish_mail_write_time = %lld(%.3g%%) " | |
| 302 " busy_ratio = %.3g%%, \n" | |
| 1123 | 303 " task_list_read_count = %d" |
| 304 " average_tasklist_mail_time = %lld" | |
|
999
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305 " mainMem_alloc_time = %lld\n" |
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306 ,cpu, global_busy_time, |
|
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307 global_wait_time, d, global_mail_time, m, |
| 1124 | 308 mail_read_time, mr, |
| 309 mail_write_time, mw, | |
| 310 task_list_mail_read_time, tr, | |
| 311 finish_mail_write_time, tw, | |
| 312 r, | |
| 1123 | 313 task_list_read_count, |
| 1124 | 314 task_list_mail_read_time / task_list_read_count, |
|
999
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315 mainMemalloc_time); |
|
925
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316 |
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317 global_busy_time = 0; |
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318 global_mail_time = 0; |
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319 global_wait_time = 0; |
| 1124 | 320 |
| 321 mail_read_time = 0; | |
| 322 mail_write_time = 0; | |
| 323 | |
| 324 task_list_mail_read_time = 0; | |
| 325 finish_mail_write_time = 0; | |
| 326 task_list_read_count = 0; | |
| 327 | |
|
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328 mainMemalloc_time = 0; |
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329 alloc_flag = 0; |
| 255 | 330 } |
| 331 | |
|
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332 uint32 |
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333 CellDmaManager::get_tag() |
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334 { |
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335 static int tag = 16; |
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336 tag ++; |
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337 tag &= 0x0f; |
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338 return tag+16; |
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339 } |
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340 |
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341 /** |
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342 * DMA buffer offset in rbuf |
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343 */ |
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344 void |
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345 CellDmaManager::bound(ListData *list) |
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346 { |
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347 ListElement *elm = list->element; |
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348 int *bound = list->bound; |
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349 int offset=0; |
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350 for(int i=0;i<list->length;i++) { |
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351 bound[i] = offset; |
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352 offset += elm[i].size; |
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353 } |
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354 } |
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355 |
| 604 | 356 |
| 357 /* end */ |