Mercurial > hg > Members > kono > Cerium
annotate TaskManager/Fifo/FifoTaskManagerImpl.cc @ 639:70c5c2d2eb24
fix
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 19 Nov 2009 18:45:24 +0900 |
| parents | 671fca057ad3 |
| children | a909c50081c2 |
| rev | line source |
|---|---|
| 3 | 1 #include <stdio.h> |
| 2 #include <stdlib.h> | |
| 3 #include <string.h> | |
| 4 #include "FifoTaskManagerImpl.h" | |
| 373 | 5 #include "Scheduler.h" |
| 619 | 6 #include "SchedTask.h" |
| 47 | 7 #include "types.h" |
| 109 | 8 #include "error.h" |
| 3 | 9 |
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10 FifoTaskManagerImpl::~FifoTaskManagerImpl() |
| 109 | 11 { |
| 12 delete mailManager; | |
| 13 delete scheduler; | |
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14 |
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15 delete taskListImpl ; |
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16 delete taskQueueImpl ; |
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17 delete htaskImpl ; |
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18 |
| 109 | 19 } |
| 20 | |
| 21 /** | |
| 321 | 22 * MailManager は PPE スケジューラとのメール交換、 |
| 23 * FifoScheduler は PPE 側のスケジューラ | |
| 24 * BufferManager は Task、TaskList などのメモリ管理(大層なことしてないが | |
| 109 | 25 */ |
| 3 | 26 void |
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27 FifoTaskManagerImpl::init() |
| 3 | 28 { |
| 109 | 29 mailManager = new MailManager(); |
| 30 mailManager->init(20); | |
| 31 | |
| 32 scheduler = new MainScheduler(); | |
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33 scheduler->init(this); |
| 109 | 34 scheduler->set_mailManager(mailManager); |
| 194 | 35 scheduler->id = 0; |
| 637 | 36 set_scheduler(scheduler); |
| 42 | 37 |
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38 taskListImpl = new TaskListInfo; |
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39 taskQueueImpl = new TaskQueueInfo; |
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40 htaskImpl = new HTaskInfo(); |
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41 |
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42 mainTaskList = taskListImpl->create(); |
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43 |
| 619 | 44 schedTaskManager = new SchedTask(); |
| 45 schedTaskManager->init(0,0,0,scheduler); | |
| 46 | |
| 109 | 47 } |
| 48 | |
| 49 /** | |
| 321 | 50 * これは CellTaskManagerImpl から呼ばれる。 |
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51 * TaskList等 は共用で使うので引数に。 |
| 321 | 52 * CellTaskManagerImpl と FifoTaskManagerImpl が同時に |
| 373 | 53 * 上のデータにアクセスする事は(今は)ないのでこれでおk |
| 109 | 54 */ |
| 55 void | |
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56 FifoTaskManagerImpl::init(MainScheduler *_sched, TaskManagerImpl *tm) |
| 109 | 57 { |
| 58 mailManager = new MailManager(); | |
| 59 mailManager->init(20); | |
| 60 | |
| 61 //scheduler = new MainScheduler(); | |
| 62 scheduler = _sched; | |
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63 scheduler->init(this); |
| 109 | 64 scheduler->set_mailManager(mailManager); |
| 637 | 65 set_scheduler(scheduler); |
| 109 | 66 |
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67 taskListImpl = tm-> taskListImpl ; |
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68 taskQueueImpl = tm-> taskQueueImpl ; |
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69 htaskImpl = tm-> htaskImpl ; |
| 485 | 70 waitTaskQueue = NULL; // mail_check で外から設定される |
| 109 | 71 |
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72 mainTaskList = taskListImpl->create(); |
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73 |
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74 |
| 109 | 75 } |
| 76 | |
| 77 /** | |
| 321 | 78 * スケジューラに渡す TaskList を取得する。 |
| 109 | 79 * |
| 321 | 80 * @return 実行タスクリスト |
| 109 | 81 * |
| 321 | 82 * ActiveTaskQueue (依存条件は満たし済み) のタスクを |
| 83 * 実行タスクリストに入れる | |
| 109 | 84 */ |
| 85 TaskListPtr | |
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86 FifoTaskManagerImpl::get_runTaskList() |
| 109 | 87 { |
| 88 TaskListPtr list, list_top; | |
| 634 | 89 #ifdef SIMPLE_TASK |
| 321 | 90 TaskPtr task; // Task (SPE に送る Task) |
| 634 | 91 #else |
| 92 SimpleTaskPtr task; // Task (SPE に送る Task) | |
| 93 #endif | |
| 109 | 94 |
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95 if (activeTaskQueue->empty()) { |
| 373 | 96 return NULL; |
| 109 | 97 } |
| 98 | |
| 321 | 99 // PPE 側で実行される TaskList |
| 109 | 100 list_top = mainTaskList; |
| 101 | |
| 321 | 102 // list_top->clear() とかの方がいいかもしれん。 |
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103 list_top = taskListImpl->clear_taskList(list_top); |
| 109 | 104 list = list_top; |
| 105 | |
| 499 | 106 // printf("active task queue length = %d\n",activeTaskQueue->length()); |
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107 while (HTaskPtr htask = activeTaskQueue->poll()) { |
| 373 | 108 task = &list->tasks[list->length++]; |
| 634 | 109 #ifdef SIMPLE_TASK |
| 110 *task = *(SimpleTask*)htask; | |
| 111 #else | |
| 491 | 112 memcpy(task, (Task*)htask, sizeof(Task)); |
| 634 | 113 #endif |
| 373 | 114 if (list->length >= TASK_MAX_SIZE) { |
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115 TaskListPtr newList = taskListImpl->create(); |
| 373 | 116 list_top = TaskListInfo::append(list_top, newList); |
| 117 list = newList; | |
| 118 } | |
| 499 | 119 // activeTaskQueue->free_(htask); ここで free しないで、 |
| 120 // mail を待つ | |
| 109 | 121 } |
| 122 | |
| 123 mainTaskList = list_top; | |
| 124 | |
| 125 return list_top; | |
| 126 } | |
| 127 | |
| 128 | |
| 129 void | |
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130 FifoTaskManagerImpl::run() |
| 109 | 131 { |
| 132 TaskListPtr list; | |
| 133 MailQueuePtr mail; | |
| 134 | |
| 135 list = get_runTaskList(); | |
| 136 | |
| 137 do { | |
| 373 | 138 // list を実行する |
| 139 mail = schedule(list); | |
| 109 | 140 |
| 373 | 141 // mail には、ppe scheduler からの mail がある |
| 142 mail_check(mail); | |
| 109 | 143 |
| 373 | 144 // 依存関係を満たしたものは実行可能キューへ |
| 145 wakeup_waitTask(); | |
| 146 list = get_runTaskList(); | |
| 109 | 147 } while (list); |
| 148 } | |
| 149 | |
| 150 /** | |
| 321 | 151 * @param [list] 実行タスクリスト |
| 152 * @return FifoScheduler からのメール | |
| 109 | 153 * |
| 321 | 154 * [Tasklist] -> [番兵] -> scheduler->run を抜ける |
| 109 | 155 */ |
| 156 MailQueuePtr | |
| 157 FifoTaskManagerImpl::schedule(TaskListPtr list) | |
| 158 { | |
| 159 MailQueuePtr out_mail_list = NULL; | |
| 638 | 160 if (list) { |
| 161 MailQueuePtr list_mail; // task list | |
| 162 MailQueuePtr sentinel; // 番兵 | |
| 163 MailQueuePtr in_mail_list = NULL; | |
| 109 | 164 |
| 638 | 165 // TaskList のアドレス |
| 166 list_mail = mailManager->create((memaddr)list); | |
| 167 in_mail_list = MailManager::append_mailQueue(in_mail_list, list_mail); | |
| 109 | 168 |
| 638 | 169 // EXIT_COMMAND (番兵的な意味で) |
| 170 sentinel = mailManager->create((memaddr)MY_SPE_COMMAND_EXIT); | |
| 171 in_mail_list = MailManager::append_mailQueue(in_mail_list, sentinel); | |
| 373 | 172 |
| 638 | 173 // scheduler は受け取ったメールを元に実行する |
| 174 scheduler->send_mailList(in_mail_list); | |
| 175 scheduler->run(); | |
| 176 } | |
| 373 | 177 out_mail_list = scheduler->recv_mailList(); |
| 109 | 178 |
| 179 return out_mail_list; | |
| 180 } | |
| 181 | |
| 182 /** | |
| 321 | 183 * PPE Scheduler からのメールをチェックする |
| 109 | 184 * |
| 185 * @param [mail_list] | |
| 321 | 186 * PPE 側で動く Scheduler からのメールリスト |
| 187 * 終了した Task や、その他(今はまだ実装してないけど)の情報が入ってる | |
| 109 | 188 * |
| 373 | 189 * @return Scheduler が次に実行する Task List |
| 321 | 190 * NULL なら全てのタスクが実行終了したということ |
| 109 | 191 */ |
| 192 void | |
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193 FifoTaskManagerImpl::mail_check(MailQueuePtr mail_list, HTaskInfo *waitQueue) |
| 485 | 194 { |
| 195 waitTaskQueue = waitQueue; | |
| 196 mail_check(mail_list); | |
| 197 } | |
| 198 | |
| 199 void | |
| 109 | 200 FifoTaskManagerImpl::mail_check(MailQueuePtr mail_list) |
| 201 { | |
| 202 MailQueuePtr q = mail_list; | |
| 203 MailQueuePtr d; | |
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204 memaddr data; |
| 109 | 205 |
| 206 while (q) { | |
| 373 | 207 data = q->data; |
| 109 | 208 |
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209 if (data == (memaddr)MY_SPE_STATUS_READY) { |
| 373 | 210 __debug_ppe("mail_check(): Task List finish\n"); |
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211 } else if (data != (memaddr)MY_SPE_NOP) { |
| 373 | 212 __debug_ppe("mail_check(): recv from 0x%x\n", data); |
| 619 | 213 // post_func を先に実行しないと、systask_finish が active_queue |
| 214 // 移されてから、wait_for されるという事態が起きることがある。 | |
| 215 HTaskPtr task = (HTaskPtr)data; | |
| 216 task->post_func(schedTaskManager, task->post_arg1, task->post_arg2); | |
| 217 check_task_finish(task); | |
| 373 | 218 } |
| 109 | 219 |
| 373 | 220 d = q; |
| 221 q = q->next; | |
| 109 | 222 |
| 373 | 223 mailManager->free(d); |
| 109 | 224 } |
| 3 | 225 } |
| 226 | |
| 637 | 227 #if 0 |
| 109 | 228 void* |
| 506 | 229 FifoTaskManagerImpl::allocate(int size, int alignment) |
| 230 { | |
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231 if (size==0) return 0; |
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232 #if defined(__APPLE__) && ! defined(HAS_POSIZ_MEMALIGN) |
| 506 | 233 return malloc(size); |
| 234 #else | |
| 235 void *buff; | |
| 236 posix_memalign(&buff, alignment, size); | |
| 237 return buff; | |
| 238 #endif | |
| 239 } | |
| 240 | |
| 241 void* | |
| 109 | 242 FifoTaskManagerImpl::allocate(int size) |
| 243 { | |
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244 if (size==0) return 0; |
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245 #if defined(__APPLE__) && ! defined(HAS_POSIZ_MEMALIGN) |
| 109 | 246 return malloc(size); |
| 506 | 247 #else |
| 248 void *buff; | |
| 249 posix_memalign(&buff, DEFAULT_ALIGNMENT, size); | |
| 250 return buff; | |
| 251 #endif | |
| 109 | 252 } |
| 253 | |
| 373 | 254 Scheduler* |
| 255 FifoTaskManagerImpl::get_scheduler() { | |
| 256 return scheduler; | |
| 257 } | |
| 637 | 258 #endif |
| 373 | 259 |
| 109 | 260 /** |
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261 * # # # # # # # # |
| 109 | 262 * Abstract Factory Pattern |
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263 * # # # # # # # |
| 109 | 264 */ |
| 265 #ifdef __CERIUM_FIFO__ | |
| 373 | 266 TaskManagerImpl* |
| 3 | 267 create_impl(int num) |
| 268 { | |
| 269 return new FifoTaskManagerImpl(); | |
| 270 } | |
| 109 | 271 #endif // __CERIUM_FIFO__ |
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272 |