Mercurial > hg > Game > Cerium
annotate TaskManager/kernel/ppe/TaskManagerImpl.cc @ 1465:fc5b23108608 draft
TaskList on going...
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 15 Jul 2012 09:56:54 +0900 |
| parents | 3f2230d79eba |
| children | cb57420a8219 |
| rev | line source |
|---|---|
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1 //#include <stdio.h> |
| 3 | 2 #include "TaskManagerImpl.h" |
| 46 | 3 #include "types.h" |
| 4 #include "error.h" | |
| 546 | 5 #include "SchedTask.h" |
| 619 | 6 #include "Scheduler.h" |
| 634 | 7 #include "SysTask.h" |
| 8 #include "SysFunc.h" | |
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9 #include "rdtsc.h" |
| 806 | 10 #include <string.h> |
| 11 | |
| 955 | 12 // singleton |
| 13 QueueInfo<TaskQueue> *taskQueuePool = new QueueInfo<TaskQueue>() ; | |
| 14 QueueInfo<HTask> *htaskPool = new QueueInfo<HTask>() ; | |
| 15 QueueInfo<TaskList> *taskListPool = new QueueInfo<TaskList>() ; | |
| 16 | |
| 220 | 17 static HTaskPtr systask_start; |
| 109 | 18 static HTaskPtr systask_finish; |
| 42 | 19 |
| 550 | 20 static void |
| 21 noaction(SchedTask *s, void *read, void *write) | |
| 3 | 22 { |
| 23 } | |
| 24 | |
| 835 | 25 TaskManagerImpl::TaskManagerImpl(int num) |
| 26 : machineNum(num){ | |
| 853 | 27 // 実行可能なHTaskのリスト |
| 955 | 28 activeTaskQueue = new QueueInfo<HTask>(htaskPool); |
| 853 | 29 // wait_forで止まっているHTaskのリスト。必要ないが、Dead lock detection に使う |
| 955 | 30 waitTaskQueue = new QueueInfo<HTask>(htaskPool); |
| 31 // HTask の factory. QueueInfo<HTask> ならなんでもいい。 | |
| 32 htaskImpl = waitTaskQueue ; // any QueueInfo<HTask> | |
| 33 // Task の dependency を表現する double linked list. QueueInfo<HTask> とは別に必要。 | |
| 34 taskQueueImpl = new QueueInfo<TaskQueue>(taskQueuePool); | |
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35 |
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36 } |
| 50 | 37 |
| 220 | 38 /** |
| 298 | 39 * 一番最初に PPE で実行される systask_start |
| 220 | 40 */ |
| 42 | 41 void |
| 499 | 42 TaskManagerImpl::systask_init() |
| 42 | 43 { |
| 109 | 44 systask_register(); |
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45 systask_start = create_task(StartTask,0,0,0,0,__builtin_return_address(0)); |
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46 systask_finish = create_task(FinishTask,0,0,0,0,__builtin_return_address(0)); |
| 220 | 47 |
| 48 systask_start->spawn(); | |
| 49 | |
| 634 | 50 // すべての Task が FinishTask を wait_for すると、 |
| 51 // あらゆる Task が FinishTask の waiting task queue を操作する | |
| 52 // ことになる。それは、重すぎる。PPE/SPE Task が終了した時点で、 | |
| 53 // TaskManager が実行する方が安い。 | |
| 54 // append_waitTask(systask_finish); | |
| 55 } | |
| 56 | |
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57 /** |
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58 * Create Simple Task |
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59 */ |
| 634 | 60 HTaskPtr |
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61 TaskManagerImpl::create_task(int cmd,memaddr rbuf, long r_size, memaddr wbuf, long w_size, void *from) { |
| 1465 | 62 HTaskPtr new_task = htaskImpl->create(); |
| 955 | 63 new_task->init(cmd, rbuf, r_size, wbuf, w_size); |
| 1465 | 64 new_task->mimpl = this; |
| 65 new_task->create_task_array(cmd, 1, 8, 8, 8) ; | |
| 634 | 66 new_task->post_func = noaction; |
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67 new_task->from = (memaddr)from; |
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68 |
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69 TaskLog *tasklog = new TaskLog(); |
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70 taskLogQueue.addLast(tasklog); |
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71 new_task->tasklog = tasklog; |
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72 |
| 949 | 73 #ifdef EARLY_TOUCH |
| 74 if (rbuf) { | |
| 75 if ((unsigned long)rbuf&0xf) { | |
| 1152 | 76 printf("Data is not aligned. command = %d, addr = 0x%lx, size = %ld\n", |
| 949 | 77 cmd, (unsigned long)rbuf, r_size); |
| 78 } | |
| 79 char *p = (char *)rbuf; char b = *p; | |
| 80 p = (char *)(rbuf+r_size-1); b += *p; | |
| 81 } | |
| 82 if (wbuf) { | |
| 83 if ((unsigned long)wbuf&0xf) { | |
| 1152 | 84 printf("Data is not aligned. command = %d, addr = 0x%lx, size = %ld\n", |
| 949 | 85 cmd, (unsigned long)wbuf, w_size); |
| 86 } | |
| 87 char *p = (char *)wbuf; char b = *p; | |
| 88 p = (char *)(wbuf+w_size-1); b += *p; | |
| 89 } | |
| 90 #endif | |
| 634 | 91 |
| 92 return new_task; | |
| 42 | 93 } |
| 94 | |
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95 /** |
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96 * Create Compatible Task (TaskArray1) |
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97 */ |
| 3 | 98 HTaskPtr |
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99 TaskManagerImpl::create_task(int cmd,void *from) |
| 3 | 100 { |
| 101 | |
| 1465 | 102 HTaskPtr new_task = create_task(TaskArray,0,0,0,0, from); |
| 703 | 103 new_task->post_func = noaction; |
| 104 new_task->mimpl = this; | |
| 736 | 105 new_task->create_task_array(cmd,1,8,8,8); |
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106 // rbuf, r_size were set |
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107 new_task->command = TaskArray1; |
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108 new_task->from = (memaddr)from; |
| 63 | 109 |
| 3 | 110 return new_task; |
| 111 } | |
| 112 | |
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113 /** |
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114 * Create Task Array |
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115 */ |
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116 HTaskPtr |
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117 TaskManagerImpl::create_task_array(int id, int num_task, int num_param, int num_inData, int num_outData, void *from) |
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118 { |
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119 HTaskPtr ta = create_task(TaskArray,0,0,0,0, from); |
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120 ta->create_task_array(id, num_task, num_param, num_inData, num_outData) ; |
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121 return ta; |
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122 } |
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123 |
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124 /* call get_task_name from ppu only */ |
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125 const char * |
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126 TaskManagerImpl::get_task_name(int cmd) { |
| 1147 | 127 |
| 128 if (0 <= cmd && cmd < MAX_TASK_OBJECT) { | |
| 129 | |
| 130 #ifndef NOT_CHECK | |
| 131 | |
| 132 int flag = 0; | |
| 133 | |
| 134 for (int i = 0; i < MAX_TASK_OBJECT; i++) { | |
| 135 if (entry_cmd[i] == cmd) { | |
| 136 flag = 1; | |
| 137 break; | |
| 138 } | |
| 139 } | |
| 140 | |
| 141 if (flag == 0) { | |
| 142 printf("cmd %d is not registered on task_list\n", cmd); | |
| 143 return NULL; | |
| 144 } | |
| 145 | |
| 146 #endif | |
| 147 return task_list[cmd].name; | |
| 148 } | |
| 149 else { | |
| 150 return NULL; | |
| 151 } | |
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152 } |
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153 const char * |
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154 TaskManagerImpl::get_task_name(TaskPtr task) { |
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155 return task != NULL ? get_task_name(task->command) : NULL; |
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156 } |
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157 const char * |
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158 TaskManagerImpl::get_task_name(SimpleTaskPtr simple_task) { |
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159 return simple_task != NULL ? get_task_name(simple_task->command) : NULL; |
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160 } |
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161 const char * |
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162 TaskManagerImpl::get_task_name(SchedTaskBase *sched_task) { |
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163 if (sched_task == NULL) return NULL; |
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164 if (sched_task->atask != NULL) { |
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165 return get_task_name(sched_task->atask->command); |
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166 } |
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167 return NULL; |
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168 } |
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169 const char * |
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170 TaskManagerImpl::get_task_name(HTaskPtr htask) { |
| 1147 | 171 |
| 172 return get_task_name(htask, 0); | |
| 173 | |
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174 } |
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175 const char * |
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176 TaskManagerImpl::get_task_name(HTaskPtr htask, int index) { |
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177 if (!htask) return NULL; |
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178 switch (htask->command) { |
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179 case TaskArray1: |
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180 return get_task_name((TaskPtr)htask->rbuf); |
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181 break; |
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182 case TaskArray: { |
| 1147 | 183 |
| 184 TaskPtr tmp = (TaskPtr)htask->rbuf; | |
| 185 return get_task_name(tmp[0].command); | |
| 186 | |
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187 } |
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188 default: |
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189 return get_task_name(htask->command); |
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190 } |
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191 return NULL; |
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192 } |
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193 |
| 3 | 194 /** |
| 298 | 195 * task の依存関係を設定 |
| 196 * master task が終わってから、slave task を実行するように | |
| 109 | 197 * master->wait_for(slave); |
| 3 | 198 */ |
| 199 void | |
| 200 TaskManagerImpl::set_task_depend(HTaskPtr master, HTaskPtr slave) | |
| 547 | 201 { |
| 3 | 202 TaskQueuePtr m, s; |
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203 if (!master->self) return; |
| 547 | 204 |
| 955 | 205 m = taskQueueImpl->create(); m->init(master); |
| 206 s = taskQueueImpl->create(); s->init(slave); | |
| 547 | 207 |
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208 master->wait_me->addLast(s); |
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209 slave->wait_i->addLast(m); |
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210 s->waiter = m; |
| 547 | 211 } |
| 212 | |
| 3 | 213 /** |
| 298 | 214 * タスクを実行可能キューまたは待機キューへ追加する。 |
| 215 * 依存関係が満たされていれば active, まだだったら wait へ。 | |
| 109 | 216 * task->spawn(); |
| 217 */ | |
| 3 | 218 void |
| 18 | 219 TaskManagerImpl::spawn_task(HTaskPtr task) |
| 3 | 220 { |
| 109 | 221 // waiter // master |
| 222 // waitee // slave | |
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223 if (task->wait_i->empty()) { |
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224 append_activeTask(task); |
| 3 | 225 } else { |
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226 append_waitTask(task); |
| 3 | 227 } |
| 228 } | |
| 42 | 229 |
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230 |
| 109 | 231 /** |
| 298 | 232 * Task を実行可能キューに追加する |
| 109 | 233 */ |
| 234 void | |
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235 TaskManagerImpl::append_activeTask(HTaskPtr q) |
| 109 | 236 { |
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237 activeTaskQueue->addLast(q); |
| 109 | 238 } |
| 239 | |
| 240 /** | |
| 298 | 241 * タスクが実行する CPU を選択する |
| 109 | 242 * |
| 298 | 243 * 現在は CPU_PPE, CPU_SPE, SPE_ANY, SPE_0, SPE_1, ..., SPE_5 |
| 244 * types.h に書いてます。 | |
| 109 | 245 */ |
| 65 | 246 void |
| 247 TaskManagerImpl::set_task_cpu(HTaskPtr task, CPU_TYPE type) | |
| 248 { | |
| 664 | 249 if (machineNum==0) |
| 250 task->cpu_type = CPU_PPE ; | |
| 251 else | |
| 252 task->cpu_type = type; | |
| 65 | 253 } |
| 254 | |
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255 #if 0 |
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256 static void |
| 955 | 257 check_wait(TaskManagerImpl *tm, QueueInfo<TaskQueue> *wait_i) { |
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258 for(TaskQueue *t = wait_i->getFirst(); t; t = wait_i->getNext(t)) { |
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259 if (!tm->waitTaskQueue->find(t->task)) { |
| 1152 | 260 //this->printf("stray waiting task%d %lx\n",t->task->command, (long)t->task); |
| 261 printf("stray waiting task%d %lx\n",t->task->command, (long)t->task); | |
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262 } else if (tm->activeTaskQueue->find(t->task)) { |
| 1152 | 263 //this->printf(" active task%d in waiting queue %lx\n",t->task->command, (long)t->task); |
| 264 printf(" active task%d in waiting queue %lx\n",t->task->command, (long)t->task); | |
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265 } else |
| 1152 | 266 printf("."); |
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267 } |
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268 } |
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269 #endif |
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270 |
| 109 | 271 /** |
| 830 | 272 * @brief 終了したタスクから依存の処理とか |
| 298 | 273 * post_func() はこのタスクが終了したら実行する関数。 |
| 109 | 274 * |
| 298 | 275 * @param [task] 終了したタスク |
| 109 | 276 */ |
| 277 void | |
| 955 | 278 TaskManagerImpl::check_task_finish(HTaskPtr me, QueueInfo<HTask> *wait_queue) |
| 42 | 279 { |
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280 me->tasklog->finish_time = rdtsc(); |
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281 |
| 497 | 282 while(TaskQueue *p = me->wait_me->poll()) { |
| 499 | 283 HTaskPtr you = p->task; |
| 955 | 284 QueueInfo<TaskQueue> *wait_i = you->wait_i; |
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285 // 相手の wait queue から自分(を指しているTaskQueue)を削除 |
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286 wait_i->remove(p->waiter); |
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287 // queue を free する |
| 493 | 288 wait_i->free_(p->waiter); |
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289 |
| 497 | 290 if (wait_i->empty()) { |
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291 wait_queue->remove(you); |
| 499 | 292 append_activeTask(you); |
| 497 | 293 } |
| 294 | |
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295 wait_i->free_(p); // p->wait_i, p->wait_me は再利用される |
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296 } |
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297 |
| 1169 | 298 // TaskArray1 の場合、Task,rbuf共にtasklistに入る。 |
| 299 // tasklistはどこかでfreeされてるはずなので、メモリリークしない。 | |
| 300 // TaskArray の rbuf はfreeされない見たいなので、ここでfreeしてみる。 | |
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301 |
| 1228 | 302 |
| 1230 | 303 if (me->command == TaskArray) { |
| 304 free(me->rbuf); | |
| 305 } | |
| 1169 | 306 |
| 939 | 307 // me を誰かが持っていて、me が finish した後に、 |
| 308 // me->wait_for(i) とか、やられると気まずい。 | |
| 309 // 特に、me が他人に再利用されていると。そういう時には、 | |
| 310 // このfreeをコメントアウトしてみる。 | |
| 311 | |
| 312 // id かななんかでチェックした方が良いが... | |
| 313 | |
| 314 me->self = 0; | |
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315 if (!me->flag.no_auto_free) |
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316 htaskImpl->free_(me); |
| 109 | 317 } |
| 42 | 318 |
| 830 | 319 /** |
| 320 * @brief 終了したタスクリストの依存の処理 | |
| 321 * @param [task] 終了したタスク | |
| 322 */ | |
| 323 void | |
| 955 | 324 TaskManagerImpl::check_task_list_finish(SchedTask *s, TaskListPtr list, QueueInfo<HTask> *wait_queue) |
| 830 | 325 { |
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326 HTask *me = list->self; |
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327 if (me) { |
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328 me->post_func(s, me->post_arg1, me->post_arg2); |
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329 check_task_finish(me, wait_queue); |
| 830 | 330 } |
| 331 } | |
| 109 | 332 |
| 830 | 333 /** |
| 334 * @brief waitTaskqueue への挿入 。必須ではない。 | |
| 335 * 現状では、dead lock 検出にしか使ってない | |
| 336 * | |
| 337 * @param [task] 終了したタスク | |
| 338 */ | |
| 109 | 339 void |
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340 TaskManagerImpl::append_waitTask(HTaskPtr q) |
| 109 | 341 { |
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342 waitTaskQueue ->addLast(q); |
| 109 | 343 } |
| 344 | |
| 830 | 345 /** |
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346 @brief htask のTaskListを DMA でCPUに渡すための TaskListQueue に入れる |
| 830 | 347 @param htask |
| 348 @param taskList | |
| 349 */ | |
| 806 | 350 void |
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351 TaskManagerImpl::set_taskList(HTaskPtr htask, QueueInfo<TaskList> * taskList) |
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352 { |
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353 htask->tasklog->execute_time = rdtsc(); |
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354 |
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355 TaskListPtr tl = (TaskList*)htask->rbuf; |
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356 while(tl->prev) tl=tl->prev; |
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357 while(tl) { |
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358 TaskListPtr next = tl->next; |
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359 taskList->addLast(tl); |
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360 tl = next; |
| 806 | 361 } |
| 362 } | |
| 363 | |
| 54 | 364 |
| 619 | 365 |
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366 /* end */ |