Mercurial > hg > Members > kono > Cerium
annotate TaskManager/Fifo/FifoTaskManagerImpl.cc @ 634:0558abba673c
SimpleTask start
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Wed, 18 Nov 2009 17:29:14 +0900 |
| parents | 60aa3f241b10 |
| children | 8cc609285bbe |
| 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(); | |
| 33 scheduler->init(); | |
| 34 scheduler->set_mailManager(mailManager); | |
| 194 | 35 scheduler->id = 0; |
| 619 | 36 scheduler->set_manager(this); |
| 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; | |
| 63 scheduler->init(); | |
| 64 scheduler->set_mailManager(mailManager); | |
| 65 | |
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66 taskListImpl = tm-> taskListImpl ; |
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67 taskQueueImpl = tm-> taskQueueImpl ; |
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68 htaskImpl = tm-> htaskImpl ; |
| 485 | 69 waitTaskQueue = NULL; // mail_check で外から設定される |
| 109 | 70 |
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71 mainTaskList = taskListImpl->create(); |
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72 |
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73 |
| 109 | 74 } |
| 75 | |
| 76 /** | |
| 321 | 77 * スケジューラに渡す TaskList を取得する。 |
| 109 | 78 * |
| 321 | 79 * @return 実行タスクリスト |
| 109 | 80 * |
| 321 | 81 * ActiveTaskQueue (依存条件は満たし済み) のタスクを |
| 82 * 実行タスクリストに入れる | |
| 109 | 83 */ |
| 84 TaskListPtr | |
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85 FifoTaskManagerImpl::get_runTaskList() |
| 109 | 86 { |
| 87 TaskListPtr list, list_top; | |
| 634 | 88 #ifdef SIMPLE_TASK |
| 321 | 89 TaskPtr task; // Task (SPE に送る Task) |
| 634 | 90 #else |
| 91 SimpleTaskPtr task; // Task (SPE に送る Task) | |
| 92 #endif | |
| 109 | 93 |
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94 if (activeTaskQueue->empty()) { |
| 373 | 95 return NULL; |
| 109 | 96 } |
| 97 | |
| 321 | 98 // PPE 側で実行される TaskList |
| 109 | 99 list_top = mainTaskList; |
| 100 | |
| 321 | 101 // list_top->clear() とかの方がいいかもしれん。 |
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102 list_top = taskListImpl->clear_taskList(list_top); |
| 109 | 103 list = list_top; |
| 104 | |
| 499 | 105 // printf("active task queue length = %d\n",activeTaskQueue->length()); |
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106 while (HTaskPtr htask = activeTaskQueue->poll()) { |
| 373 | 107 task = &list->tasks[list->length++]; |
| 634 | 108 #ifdef SIMPLE_TASK |
| 109 *task = *(SimpleTask*)htask; | |
| 110 #else | |
| 491 | 111 memcpy(task, (Task*)htask, sizeof(Task)); |
| 634 | 112 #endif |
| 373 | 113 if (list->length >= TASK_MAX_SIZE) { |
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114 TaskListPtr newList = taskListImpl->create(); |
| 373 | 115 list_top = TaskListInfo::append(list_top, newList); |
| 116 list = newList; | |
| 117 } | |
| 499 | 118 // activeTaskQueue->free_(htask); ここで free しないで、 |
| 119 // mail を待つ | |
| 109 | 120 } |
| 121 | |
| 122 mainTaskList = list_top; | |
| 123 | |
| 124 return list_top; | |
| 125 } | |
| 126 | |
| 127 | |
| 128 void | |
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129 FifoTaskManagerImpl::run() |
| 109 | 130 { |
| 131 TaskListPtr list; | |
| 132 MailQueuePtr mail; | |
| 133 | |
| 134 list = get_runTaskList(); | |
| 135 | |
| 136 do { | |
| 373 | 137 // list を実行する |
| 138 mail = schedule(list); | |
| 109 | 139 |
| 373 | 140 // mail には、ppe scheduler からの mail がある |
| 141 mail_check(mail); | |
| 109 | 142 |
| 373 | 143 // 依存関係を満たしたものは実行可能キューへ |
| 144 wakeup_waitTask(); | |
| 145 list = get_runTaskList(); | |
| 109 | 146 } while (list); |
| 147 } | |
| 148 | |
| 149 /** | |
| 321 | 150 * @param [list] 実行タスクリスト |
| 151 * @return FifoScheduler からのメール | |
| 109 | 152 * |
| 321 | 153 * [Tasklist] -> [番兵] -> scheduler->run を抜ける |
| 109 | 154 */ |
| 155 MailQueuePtr | |
| 156 FifoTaskManagerImpl::schedule(TaskListPtr list) | |
| 157 { | |
| 158 MailQueuePtr list_mail; // task list | |
| 321 | 159 MailQueuePtr sentinel; // 番兵 |
| 109 | 160 MailQueuePtr in_mail_list = NULL; |
| 161 MailQueuePtr out_mail_list = NULL; | |
| 162 | |
| 321 | 163 // TaskList のアドレス |
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164 list_mail = mailManager->create((memaddr)list); |
| 109 | 165 in_mail_list = MailManager::append_mailQueue(in_mail_list, list_mail); |
| 166 | |
| 321 | 167 // EXIT_COMMAND (番兵的な意味で) |
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168 sentinel = mailManager->create((memaddr)MY_SPE_COMMAND_EXIT); |
| 109 | 169 in_mail_list = MailManager::append_mailQueue(in_mail_list, sentinel); |
| 373 | 170 |
| 321 | 171 // scheduler は受け取ったメールを元に実行する |
| 109 | 172 scheduler->send_mailList(in_mail_list); |
| 173 scheduler->run(); | |
| 373 | 174 out_mail_list = scheduler->recv_mailList(); |
| 109 | 175 |
| 176 return out_mail_list; | |
| 177 } | |
| 178 | |
| 179 /** | |
| 321 | 180 * PPE Scheduler からのメールをチェックする |
| 109 | 181 * |
| 182 * @param [mail_list] | |
| 321 | 183 * PPE 側で動く Scheduler からのメールリスト |
| 184 * 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 | 185 * |
| 373 | 186 * @return Scheduler が次に実行する Task List |
| 321 | 187 * NULL なら全てのタスクが実行終了したということ |
| 109 | 188 */ |
| 189 void | |
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190 FifoTaskManagerImpl::mail_check(MailQueuePtr mail_list, HTaskInfo *waitQueue) |
| 485 | 191 { |
| 192 waitTaskQueue = waitQueue; | |
| 193 mail_check(mail_list); | |
| 194 } | |
| 195 | |
| 196 void | |
| 109 | 197 FifoTaskManagerImpl::mail_check(MailQueuePtr mail_list) |
| 198 { | |
| 199 MailQueuePtr q = mail_list; | |
| 200 MailQueuePtr d; | |
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201 memaddr data; |
| 109 | 202 |
| 203 while (q) { | |
| 373 | 204 data = q->data; |
| 109 | 205 |
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206 if (data == (memaddr)MY_SPE_STATUS_READY) { |
| 373 | 207 __debug_ppe("mail_check(): Task List finish\n"); |
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208 } else if (data != (memaddr)MY_SPE_NOP) { |
| 373 | 209 __debug_ppe("mail_check(): recv from 0x%x\n", data); |
| 619 | 210 // post_func を先に実行しないと、systask_finish が active_queue |
| 211 // 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。 | |
| 212 HTaskPtr task = (HTaskPtr)data; | |
| 213 task->post_func(schedTaskManager, task->post_arg1, task->post_arg2); | |
| 214 check_task_finish(task); | |
| 373 | 215 } |
| 109 | 216 |
| 373 | 217 d = q; |
| 218 q = q->next; | |
| 109 | 219 |
| 373 | 220 mailManager->free(d); |
| 109 | 221 } |
| 3 | 222 } |
| 223 | |
| 109 | 224 void* |
| 506 | 225 FifoTaskManagerImpl::allocate(int size, int alignment) |
| 226 { | |
| 227 #ifdef __APPLE__ | |
| 228 return malloc(size); | |
| 229 #else | |
| 230 void *buff; | |
| 231 posix_memalign(&buff, alignment, size); | |
| 232 return buff; | |
| 233 #endif | |
| 234 } | |
| 235 | |
| 236 void* | |
| 109 | 237 FifoTaskManagerImpl::allocate(int size) |
| 238 { | |
| 506 | 239 #ifdef __APPLE__ |
| 109 | 240 return malloc(size); |
| 506 | 241 #else |
| 242 void *buff; | |
| 243 posix_memalign(&buff, DEFAULT_ALIGNMENT, size); | |
| 244 return buff; | |
| 245 #endif | |
| 109 | 246 } |
| 247 | |
| 373 | 248 Scheduler* |
| 249 FifoTaskManagerImpl::get_scheduler() { | |
| 250 return scheduler; | |
| 251 } | |
| 252 | |
| 109 | 253 /** |
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254 * # # # # # # # # |
| 109 | 255 * Abstract Factory Pattern |
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256 * # # # # # # # |
| 109 | 257 */ |
| 258 #ifdef __CERIUM_FIFO__ | |
| 373 | 259 TaskManagerImpl* |
| 3 | 260 create_impl(int num) |
| 261 { | |
| 262 return new FifoTaskManagerImpl(); | |
| 263 } | |
| 109 | 264 #endif // __CERIUM_FIFO__ |
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265 |