Mercurial > hg > Members > kono > Cerium
annotate TaskManager/Fifo/FifoTaskManagerImpl.cc @ 685:b386522827ae
Bulk task on going.
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 07 Dec 2009 00:32:34 +0900 |
parents | bde5f13adf10 |
children | 61b59376aec5 |
rev | line source |
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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" |
685 | 9 #include "SchedNop.h" |
3 | 10 |
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11 FifoTaskManagerImpl::~FifoTaskManagerImpl() |
109 | 12 { |
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13 delete mainScheduler; |
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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 { |
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29 mainScheduler = new MainScheduler(); |
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30 mainScheduler->init(this); |
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31 mainScheduler->id = 0; |
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32 set_scheduler(mainScheduler); |
42 | 33 |
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34 taskListImpl = new TaskListInfo; |
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35 taskQueueImpl = new TaskQueueInfo; |
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36 htaskImpl = new HTaskInfo(); |
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37 |
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38 mainTaskList = taskListImpl->create(); |
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39 |
619 | 40 schedTaskManager = new SchedTask(); |
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41 schedTaskManager->init(0,0,0,mainScheduler); |
619 | 42 |
109 | 43 } |
44 | |
45 /** | |
321 | 46 * これは CellTaskManagerImpl から呼ばれる。 |
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47 * TaskList等 は共用で使うので引数に。 |
321 | 48 * CellTaskManagerImpl と FifoTaskManagerImpl が同時に |
373 | 49 * 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 | 50 */ |
51 void | |
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52 FifoTaskManagerImpl::init(MainScheduler *_sched, TaskManagerImpl *tm) |
109 | 53 { |
54 | |
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55 mainScheduler = _sched; |
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56 mainScheduler->init(this); |
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57 set_scheduler(mainScheduler); |
109 | 58 |
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59 taskListImpl = tm-> taskListImpl ; |
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60 taskQueueImpl = tm-> taskQueueImpl ; |
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61 htaskImpl = tm-> htaskImpl ; |
485 | 62 waitTaskQueue = NULL; // mail_check で外から設定される |
109 | 63 |
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64 mainTaskList = taskListImpl->create(); |
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65 |
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66 schedTaskManager = new SchedTask(); |
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67 schedTaskManager->init(0,0,0,mainScheduler); |
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68 |
109 | 69 } |
70 | |
673 | 71 void FifoTaskManagerImpl::show_profile() { |
72 printf("HEHEHEHEH\n"); | |
73 } | |
672 | 74 void FifoTaskManagerImpl::start_profile() {} |
75 | |
109 | 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 |
664 | 89 SimpleTaskPtr task; // Task (SPE に送る Task) |
634 | 90 #else |
664 | 91 TaskPtr task; // Task (SPE に送る Task) |
634 | 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 | |
133 list = get_runTaskList(); | |
134 | |
135 do { | |
373 | 136 // list を実行する |
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137 schedule(list); |
109 | 138 |
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139 // ppe scheduler からの mail を調べる |
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140 mail_check(waitTaskQueue); |
109 | 141 |
373 | 142 // 依存関係を満たしたものは実行可能キューへ |
143 wakeup_waitTask(); | |
144 list = get_runTaskList(); | |
109 | 145 } while (list); |
146 } | |
147 | |
148 /** | |
321 | 149 * @param [list] 実行タスクリスト |
150 * @return FifoScheduler からのメール | |
109 | 151 * |
321 | 152 * [Tasklist] -> [番兵] -> scheduler->run を抜ける |
109 | 153 */ |
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154 void |
109 | 155 FifoTaskManagerImpl::schedule(TaskListPtr list) |
156 { | |
638 | 157 if (list) { |
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158 // TaskList のアドレスを送る |
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159 mainScheduler->mail_write_from_host((memaddr)list); |
109 | 160 |
638 | 161 // EXIT_COMMAND (番兵的な意味で) |
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162 // これを読むと、mainScheduler->run() から抜けて来る。 |
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163 mainScheduler->mail_write_from_host((memaddr)MY_SPE_COMMAND_EXIT); |
373 | 164 |
638 | 165 // scheduler は受け取ったメールを元に実行する |
685 | 166 // new SchedTaskList(list, mainScheduler) の方が良さそうだけど... |
167 mainScheduler->run(new SchedNop()); | |
638 | 168 } |
109 | 169 } |
170 | |
171 /** | |
321 | 172 * PPE Scheduler からのメールをチェックする |
109 | 173 * |
174 * @param [mail_list] | |
321 | 175 * PPE 側で動く Scheduler からのメールリスト |
176 * 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 | 177 * |
373 | 178 * @return Scheduler が次に実行する Task List |
321 | 179 * NULL なら全てのタスクが実行終了したということ |
109 | 180 */ |
181 void | |
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182 FifoTaskManagerImpl::mail_check(HTaskInfo *wait_queue) |
485 | 183 { |
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184 while (mainScheduler->has_mail_from_host()) { |
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185 memaddr data = mainScheduler->mail_read_from_host(); |
109 | 186 |
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187 if (data == (memaddr)MY_SPE_STATUS_READY) { |
373 | 188 __debug_ppe("mail_check(): Task List finish\n"); |
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189 } else if (data == (memaddr)MY_SPE_COMMAND_EXIT) { |
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190 __debug_ppe("mail_check(): Task List finish COMMAND\n"); |
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191 } else if (data != (memaddr)MY_SPE_NOP) { |
373 | 192 __debug_ppe("mail_check(): recv from 0x%x\n", data); |
619 | 193 // post_func を先に実行しないと、systask_finish が active_queue |
194 // 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。 | |
195 HTaskPtr task = (HTaskPtr)data; | |
196 task->post_func(schedTaskManager, task->post_arg1, task->post_arg2); | |
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197 check_task_finish(task, wait_queue); |
373 | 198 } |
109 | 199 } |
3 | 200 } |
201 | |
373 | 202 |
109 | 203 /** |
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204 * # # # # # # # # |
109 | 205 * Abstract Factory Pattern |
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206 * # # # # # # # |
109 | 207 */ |
208 #ifdef __CERIUM_FIFO__ | |
373 | 209 TaskManagerImpl* |
3 | 210 create_impl(int num) |
211 { | |
212 return new FifoTaskManagerImpl(); | |
213 } | |
109 | 214 #endif // __CERIUM_FIFO__ |
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215 |