Mercurial > hg > Members > kono > Cerium
annotate TaskManager/Cell/CellTaskManagerImpl.cc @ 852:5389de58734f
bug fix?
| author | yutaka@localhost.localdomain |
|---|---|
| date | Mon, 07 Jun 2010 15:07:30 +0900 |
| parents | dc3621ee7816 |
| children | fc521121ca8a |
| rev | line source |
|---|---|
| 321 | 1 #define DEBUG |
| 2 #include "error.h" | |
| 57 | 3 #include <stdio.h> |
| 4 #include <stdlib.h> | |
| 5 #include <string.h> | |
| 6 #include "CellTaskManagerImpl.h" | |
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7 #include "HTaskInfo.h" |
| 621 | 8 #include "SchedTask.h" |
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9 #include "MainScheduler.h" |
| 57 | 10 #include "types.h" |
| 672 | 11 #include "SysFunc.h" |
| 12 | |
| 720 | 13 static void send_alloc_reply(CellTaskManagerImpl *tm, int id, SpeThreads *speThreads); |
| 57 | 14 |
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15 CellTaskManagerImpl::~CellTaskManagerImpl() |
| 67 | 16 { |
| 109 | 17 delete speThreads; |
| 18 delete [] speTaskList; | |
| 19 | |
| 20 delete ppeManager; | |
| 67 | 21 } |
| 22 | |
| 57 | 23 void |
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24 CellTaskManagerImpl::init() |
| 57 | 25 { |
| 637 | 26 spe_running = 0; |
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27 |
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28 activeTaskQueue = new HTaskInfo(); |
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29 |
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30 htaskImpl = activeTaskQueue ; // any HTaskInfo |
| 65 | 31 |
| 32 speThreads = new SpeThreads(machineNum); | |
| 33 speThreads->init(); | |
| 109 | 34 |
| 808 | 35 speTaskList = new TaskListInfoPtr[machineNum]; |
| 812 | 36 taskListInfo = new TaskListInfoPtr[machineNum]; |
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37 |
| 109 | 38 for (int i = 0; i < machineNum; i++) { |
| 812 | 39 taskListInfo[i] = new TaskListInfo(); |
| 808 | 40 speTaskList[i] = new TaskListInfo(); |
| 109 | 41 } |
| 42 | |
| 321 | 43 // PPE 側の管理をする Manager |
| 835 | 44 ppeManager = new FifoTaskManagerImpl(machineNum); |
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45 // 大半のTaskQueueInfoは、共有される |
| 637 | 46 MainScheduler *mscheduler = new MainScheduler; |
| 47 ppeManager->init(mscheduler, this); | |
| 619 | 48 |
| 49 ppeManager->get_scheduler()->set_manager(this); | |
| 637 | 50 |
| 619 | 51 schedTaskManager = new SchedTask(); |
| 52 schedTaskManager->init(0,0,0,ppeManager->get_scheduler()); | |
| 57 | 53 } |
| 54 | |
| 109 | 55 void |
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56 CellTaskManagerImpl::append_activeTask(HTaskPtr task) |
| 109 | 57 { |
| 58 if (task->cpu_type == CPU_PPE) { | |
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59 ppeManager->append_activeTask(task); |
| 109 | 60 } else { |
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61 activeTaskQueue->addLast(task); |
| 109 | 62 } |
| 63 } | |
| 64 | |
| 321 | 65 // SPE_ANY が指定されていた時に |
| 66 // これをインクリメントしつつ呼ぶことにする。 | |
| 67 // 乱数使ってもいいけどさ。 | |
| 109 | 68 int cur_anySpeid = 0; |
| 69 | |
| 70 /** | |
| 321 | 71 * ActiveTaskQueue から Task を |
| 72 * 各 SPE に渡す TaskList に入れる | |
| 109 | 73 * |
| 321 | 74 * ここの activeTaskQueue は FifoTaskManagerImpl のと意味が違い、 |
| 75 * spe に渡される Task だけ入っている | |
| 109 | 76 */ |
| 77 void | |
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78 CellTaskManagerImpl::set_runTaskList() |
| 70 | 79 { |
| 109 | 80 int speid; |
| 70 | 81 |
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82 while (HTaskPtr htask = activeTaskQueue->poll()) { |
| 70 | 83 |
| 109 | 84 if (htask->cpu_type == SPE_ANY) { |
| 85 speid = cur_anySpeid++; | |
| 86 cur_anySpeid = (cur_anySpeid < machineNum) | |
| 87 ? cur_anySpeid : 0; | |
| 70 | 88 } else { |
| 321 | 89 // -1 してるのは |
| 90 // htask->cpu_type - CPU_SPE で | |
| 91 // SPE0 = 1, SPE1 = 2, ... SPE5 = 6 ってなってるので | |
| 92 // 配列的 (SPE0 = arr[0], SPE1 = arr[1]) にするため | |
| 109 | 93 speid = htask->cpu_type - CPU_SPE - 1; |
| 94 | |
| 321 | 95 // SPU の数以上が指定されていれば |
| 96 // とりあえず MAX_USE_SPE_NUM (実際に動く SPE の最大数) で | |
| 97 // あまり求めてそれを使うことにする。 | |
| 98 // ここで判定するもんでもないか？ | |
| 109 | 99 if (speid >= machineNum) { |
| 100 speid %= machineNum; | |
| 101 } | |
| 70 | 102 } |
| 808 | 103 set_taskList(htask, taskListInfo[speid]); |
| 70 | 104 } |
| 109 | 105 } |
| 106 | |
| 107 void | |
| 722 | 108 CellTaskManagerImpl::sendTaskList() |
| 721 | 109 { |
| 110 for (int i = 0; i < machineNum; i++) { | |
| 808 | 111 if ( taskListInfo[i]->length() > 0 ) { |
| 721 | 112 send_taskList(i); |
| 113 spe_running++; | |
| 114 } | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 void | |
| 808 | 119 CellTaskManagerImpl::poll() |
| 120 { | |
| 121 mail_check(); | |
| 122 // SPE に送る TaskList の準備 | |
| 123 set_runTaskList(); | |
| 124 // TaskList 待ちの SPE に TaskList を送る | |
| 125 sendTaskList(); | |
| 126 } | |
| 127 | |
| 128 void | |
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129 CellTaskManagerImpl::run() |
| 109 | 130 { |
| 131 do { | |
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132 // PPE side |
| 808 | 133 ppeManager->poll(); |
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134 // SPE side |
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135 do { |
| 808 | 136 poll(); |
| 722 | 137 } while (ppeManager->activeTaskQueue->empty() && spe_running >0 ); |
| 852 | 138 } while (!ppeManager->activeTaskQueue->empty() || spe_running >0); |
| 721 | 139 if (!waitTaskQueue->empty()) { |
| 736 | 140 get_scheduler()->printf("Dead lock detected\n"); |
| 721 | 141 } |
| 70 | 142 } |
| 143 | |
| 65 | 144 /** |
| 321 | 145 * SPE からのメールをチェックする |
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146 */ |
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147 |
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148 void |
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149 CellTaskManagerImpl::mail_check() |
| 57 | 150 { |
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151 memaddr data; |
| 109 | 152 |
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153 // SPE Scheduler からの mail check |
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154 for (int id = 0; id < machineNum; id++) { |
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155 while (speThreads->has_mail(id, 1, &data)) { |
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156 if (data == (memaddr)MY_SPE_STATUS_READY) { |
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157 // MY_SPE_STATUS_READY: SPE が持ってた Task 全て終了 |
| 808 | 158 speTaskList[id]->freeAll(); |
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159 spe_running--; |
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160 } else if (data == (memaddr)MY_SPE_COMMAND_MALLOC) { |
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161 // MY_SPE_COMMAND_MALLOC SPE からのmain memory request |
| 720 | 162 send_alloc_reply(this, id, speThreads); |
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163 } else if (data > (memaddr)MY_SPE_NOP) { |
| 830 | 164 #ifdef TASK_LIST_MAIL |
| 165 TaskListPtr list = (TaskListPtr)data; | |
| 166 check_task_list_finish(schedTaskManager, list, waitTaskQueue); | |
| 167 #else | |
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168 // 終了したタスク(PPEにあるのでアドレス) |
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169 HTaskPtr task = (HTaskPtr)data; |
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170 task->post_func(schedTaskManager, task->post_arg1, task->post_arg2); |
| 830 | 171 check_task_finish(task, waitTaskQueue); |
| 172 #endif | |
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173 } |
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174 // MY_SPE_NOP: 特に意味のないコマンド |
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175 } |
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176 } |
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177 } |
| 109 | 178 |
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179 void |
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180 CellTaskManagerImpl::polling() |
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181 { |
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182 // may call recursively check_task_list_finish() |
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183 // we need fifo here |
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184 mail_check(); |
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185 } |
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186 |
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187 static void |
| 720 | 188 send_alloc_reply(CellTaskManagerImpl *tm, int id, SpeThreads *speThreads) |
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189 { |
| 273 | 190 |
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191 /** |
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192 * info[0] = alloc_id; (CellScheduler::mainMem_alloc 参照) |
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193 * info[1] = alloc_addr; |
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194 */ |
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195 memaddr alloc_info[2]; |
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196 long alloc_size; |
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197 long command; |
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198 |
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199 speThreads->get_mail(id, 2, alloc_info); |
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200 command = (long)alloc_info[0]; |
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201 alloc_size = (long)alloc_info[1]; |
| 109 | 202 |
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203 |
| 720 | 204 alloc_info[1] = (memaddr)tm->allocate(alloc_size); |
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205 //__debug_ppe("[PPE] MALLOCED 0x%lx from [SPE %d]\n", alloc_info[1],id); |
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206 // 今のところ何もしてない。どうも、この allocate を free |
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207 // するのは、SPE task が返した値を見て行うらしい。それは、 |
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208 // 忘れやすいのではないか? |
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209 speThreads->add_output_tasklist(command, alloc_info[1], alloc_size); |
| 109 | 210 |
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211 speThreads->send_mail(id, 2, alloc_info); |
| 109 | 212 } |
| 66 | 213 |
| 109 | 214 /** |
| 321 | 215 * 条件を満たしたら SPE に TaskList を送信する |
| 216 * 条件1. SPE が持ってた TaskList を終了して、次の TaskList を待ってる | |
| 217 * 条件2. SPE に送る TaskList に Task がある | |
| 109 | 218 * |
| 808 | 219 * SPE で実行終了した speTaskList と |
| 220 * これから実行する taskListInfo のバッファを入れ替える | |
| 109 | 221 */ |
| 222 void | |
| 223 CellTaskManagerImpl::send_taskList(int id) | |
| 224 { | |
| 808 | 225 if (taskListInfo[id]->empty()) return; |
| 226 TaskListInfoPtr tmp = taskListInfo[id]; | |
| 227 taskListInfo[id] = speTaskList[id]; | |
| 228 speTaskList[id] = tmp; | |
| 109 | 229 |
| 809 | 230 tmp->getLast()->next = 0; |
| 812 | 231 TaskListPtr p = tmp->getFirst(); |
| 232 speThreads->send_mail(id, 1, (memaddr *)&p); | |
| 57 | 233 } |
| 234 | |
| 672 | 235 void CellTaskManagerImpl::show_profile() { |
| 236 for (int id = 0; id < machineNum; id++) { | |
| 237 HTaskPtr t = create_task(ShowTime); | |
| 238 t->set_cpu((CPU_TYPE)(id+2)); | |
| 239 t->spawn(); | |
| 240 } | |
| 241 } | |
| 242 | |
| 243 void CellTaskManagerImpl::start_profile() { | |
| 244 for (int id = 0; id < machineNum; id++) { | |
| 245 HTaskPtr t = create_task(StartProfile); | |
| 246 t->set_cpu((CPU_TYPE)(id+2)); | |
| 247 t->spawn(); | |
| 248 } | |
| 249 } | |
| 250 | |
| 380 | 251 |
| 109 | 252 #ifdef __CERIUM_CELL__ |
| 57 | 253 TaskManagerImpl* |
| 254 create_impl(int num) | |
| 255 { | |
| 835 | 256 return new CellTaskManagerImpl(num); |
| 57 | 257 } |
| 109 | 258 #endif // __CERIUM_CELL |