Mercurial > hg > Members > kono > Cerium
annotate TaskManager/Fifo/FifoTaskManagerImpl.cc @ 475:e083c4ff91c1
BufferManager removed.
| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Sun, 04 Oct 2009 11:29:50 +0900 |
| parents | eab18aa0c7f6 |
| children | 5bda98b0b56d |
| 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" |
| 47 | 6 #include "types.h" |
| 109 | 7 #include "error.h" |
| 3 | 8 |
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9 FifoTaskManagerImpl::~FifoTaskManagerImpl() |
| 109 | 10 { |
| 11 delete mailManager; | |
| 12 delete scheduler; | |
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13 |
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14 delete taskListImpl ; |
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15 delete taskQueueImpl ; |
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16 delete htaskImpl ; |
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17 |
| 109 | 18 } |
| 19 | |
| 20 /** | |
| 321 | 21 * MailManager は PPE スケジューラとのメール交換、 |
| 22 * FifoScheduler は PPE 側のスケジューラ | |
| 23 * BufferManager は Task、TaskList などのメモリ管理(大層なことしてないが | |
| 109 | 24 */ |
| 3 | 25 void |
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26 FifoTaskManagerImpl::init() |
| 3 | 27 { |
| 109 | 28 mailManager = new MailManager(); |
| 29 mailManager->init(20); | |
| 30 | |
| 31 scheduler = new MainScheduler(); | |
| 32 scheduler->init(); | |
| 33 scheduler->set_mailManager(mailManager); | |
| 194 | 34 scheduler->id = 0; |
| 42 | 35 |
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36 taskListImpl = new TaskListInfo; |
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37 taskQueueImpl = new TaskQueueInfo; |
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38 htaskImpl = new HTaskInfo; |
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39 |
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40 machineNum = machineNum*2; // What!? |
| 109 | 41 |
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42 taskQueueImpl->init(TASK_MAX_SIZE*4); |
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43 htaskImpl->init(TASK_MAX_SIZE*2); |
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44 |
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45 mainTaskList = taskListImpl->create(); |
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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 ; |
| 109 | 69 |
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70 mainTaskList = taskListImpl->create(); |
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71 |
| 109 | 72 } |
| 73 | |
| 74 /** | |
| 321 | 75 * スケジューラに渡す TaskList を取得する。 |
| 109 | 76 * |
| 321 | 77 * @return 実行タスクリスト |
| 109 | 78 * |
| 321 | 79 * ActiveTaskQueue (依存条件は満たし済み) のタスクを |
| 80 * 実行タスクリストに入れる | |
| 109 | 81 */ |
| 82 TaskListPtr | |
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83 FifoTaskManagerImpl::get_runTaskList() |
| 109 | 84 { |
| 85 TaskListPtr list, list_top; | |
| 86 TaskQueuePtr queue; | |
| 87 TaskQueuePtr d; | |
| 321 | 88 HTaskPtr htask; // HTask (PPE にある) |
| 89 TaskPtr task; // Task (SPE に送る Task) | |
| 109 | 90 |
| 91 queue = activeTaskQueue; | |
| 92 if (queue == NULL) { | |
| 373 | 93 return NULL; |
| 109 | 94 } |
| 95 | |
| 321 | 96 // PPE 側で実行される TaskList |
| 109 | 97 list_top = mainTaskList; |
| 98 | |
| 321 | 99 // list_top->clear() とかの方がいいかもしれん。 |
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parents:
373
diff
changeset
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100 list_top = taskListImpl->clear_taskList(list_top); |
| 109 | 101 list = list_top; |
| 102 | |
| 103 while (queue) { | |
| 373 | 104 htask = (HTaskPtr)queue->task; |
| 105 d = queue; | |
| 106 queue = queue->next; | |
| 109 | 107 |
| 373 | 108 task = &list->tasks[list->length++]; |
| 109 | 109 |
| 373 | 110 memcpy(task, htask, sizeof(Task)); |
| 109 | 111 |
| 373 | 112 if (list->length >= TASK_MAX_SIZE) { |
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parents:
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113 TaskListPtr newList = taskListImpl->create(); |
| 373 | 114 list_top = TaskListInfo::append(list_top, newList); |
| 115 list = newList; | |
| 116 } | |
| 109 | 117 |
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parents:
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118 taskQueueImpl->free(d); |
| 109 | 119 } |
| 120 | |
| 121 activeTaskQueue = NULL; | |
| 122 mainTaskList = list_top; | |
| 123 | |
| 124 return list_top; | |
| 125 } | |
| 126 | |
| 127 | |
| 128 void | |
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parents:
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changeset
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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 |
| 373 | 164 list_mail = mailManager->create((unsigned int)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) |
| 109 | 168 sentinel = mailManager->create(MY_SPE_COMMAND_EXIT); |
| 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 | |
| 190 FifoTaskManagerImpl::mail_check(MailQueuePtr mail_list) | |
| 191 { | |
| 192 MailQueuePtr q = mail_list; | |
| 193 MailQueuePtr d; | |
| 194 unsigned int data; | |
| 195 | |
| 196 while (q) { | |
| 373 | 197 data = q->data; |
| 109 | 198 |
| 373 | 199 /** |
| 200 * MY_SPE_STATUS_READY: SPE が持ってた Task 全て終了 | |
| 201 * MY_SPE_NOP: 特に意味のないコマンド | |
| 202 * それ以外：終了したタスク(PPEにあるのでアドレス | |
| 203 * | |
| 204 * MY_SPE_NOP が 0 なので、 | |
| 205 * 下のように data > MY_SPE_NOP とかしています。 | |
| 206 * 一目でよくわからない書き方なんで、直したいところですが。。。 | |
| 207 */ | |
| 208 if (data == MY_SPE_STATUS_READY) { | |
| 209 __debug_ppe("mail_check(): Task List finish\n"); | |
| 210 } else if (data > MY_SPE_NOP) { | |
| 211 __debug_ppe("mail_check(): recv from 0x%x\n", data); | |
| 212 check_task_finish((HTaskPtr)data); | |
| 213 } | |
| 109 | 214 |
| 373 | 215 d = q; |
| 216 q = q->next; | |
| 109 | 217 |
| 373 | 218 mailManager->free(d); |
| 109 | 219 } |
| 3 | 220 } |
| 221 | |
| 14 | 222 void |
| 109 | 223 FifoTaskManagerImpl::mail_check(MailQueuePtr mail_list, TaskQueuePtr *wait) |
| 14 | 224 { |
| 109 | 225 waitTaskQueue = *wait; |
| 226 mail_check(mail_list); | |
| 14 | 227 } |
| 228 | |
| 109 | 229 void* |
| 230 FifoTaskManagerImpl::allocate(int size) | |
| 231 { | |
| 232 return malloc(size); | |
| 233 } | |
| 234 | |
| 373 | 235 Scheduler* |
| 236 FifoTaskManagerImpl::get_scheduler() { | |
| 237 return scheduler; | |
| 238 } | |
| 239 | |
| 109 | 240 /** |
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241 * # # # # # # # # |
| 109 | 242 * Abstract Factory Pattern |
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243 * # # # # # # # |
| 109 | 244 */ |
| 245 #ifdef __CERIUM_FIFO__ | |
| 373 | 246 TaskManagerImpl* |
| 3 | 247 create_impl(int num) |
| 248 { | |
| 249 return new FifoTaskManagerImpl(); | |
| 250 } | |
| 109 | 251 #endif // __CERIUM_FIFO__ |
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252 |