scheduler.hh (13133:41d8cd260825) scheduler.hh (13140:ecd8a58f3884)
1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright

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270 deschedule(ts);
271 timeSlots.erase(tsit);
272 }
273 }
274
275 void
276 completeTimeSlot(TimeSlot *ts)
277 {
1/*
2 * Copyright 2018 Google, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met: redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer;
8 * redistributions in binary form must reproduce the above copyright

--- 261 unchanged lines hidden (view full) ---

270 deschedule(ts);
271 timeSlots.erase(tsit);
272 }
273 }
274
275 void
276 completeTimeSlot(TimeSlot *ts)
277 {
278 _changeStamp++;
278 assert(ts == timeSlots.begin()->second);
279 timeSlots.erase(timeSlots.begin());
280 if (!runToTime && starved())
281 scheduleStarvationEvent();
282 }
283
284 // Pending activity ignores gem5 activity, much like how a systemc
285 // simulation wouldn't know about asynchronous external events (socket IO

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322 void oneCycle();
323
324 void schedulePause();
325 void scheduleStop(bool finish_delta);
326
327 bool paused() { return _paused; }
328 bool stopped() { return _stopped; }
329
279 assert(ts == timeSlots.begin()->second);
280 timeSlots.erase(timeSlots.begin());
281 if (!runToTime && starved())
282 scheduleStarvationEvent();
283 }
284
285 // Pending activity ignores gem5 activity, much like how a systemc
286 // simulation wouldn't know about asynchronous external events (socket IO

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323 void oneCycle();
324
325 void schedulePause();
326 void scheduleStop(bool finish_delta);
327
328 bool paused() { return _paused; }
329 bool stopped() { return _stopped; }
330
331 uint64_t changeStamp() { return _changeStamp; }
332
330 private:
331 typedef const EventBase::Priority Priority;
332 static Priority DefaultPriority = EventBase::Default_Pri;
333
334 static Priority StopPriority = DefaultPriority - 1;
335 static Priority PausePriority = DefaultPriority + 1;
336 static Priority MaxTickPriority = DefaultPriority + 2;
337 static Priority ReadyPriority = DefaultPriority + 3;

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383 EventWrapper<Scheduler, &Scheduler::pause> starvationEvent;
384 void scheduleStarvationEvent();
385
386 bool _started;
387 bool _paused;
388 bool _stopped;
389
390 Tick maxTick;
333 private:
334 typedef const EventBase::Priority Priority;
335 static Priority DefaultPriority = EventBase::Default_Pri;
336
337 static Priority StopPriority = DefaultPriority - 1;
338 static Priority PausePriority = DefaultPriority + 1;
339 static Priority MaxTickPriority = DefaultPriority + 2;
340 static Priority ReadyPriority = DefaultPriority + 3;

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386 EventWrapper<Scheduler, &Scheduler::pause> starvationEvent;
387 void scheduleStarvationEvent();
388
389 bool _started;
390 bool _paused;
391 bool _stopped;
392
393 Tick maxTick;
391 EventWrapper<Scheduler, &Scheduler::pause> maxTickEvent;
394 Tick lastReadyTick;
395 void
396 maxTickFunc()
397 {
398 if (lastReadyTick != getCurTick())
399 _changeStamp++;
400 pause();
401 }
402 EventWrapper<Scheduler, &Scheduler::maxTickFunc> maxTickEvent;
392
393 uint64_t _numCycles;
403
404 uint64_t _numCycles;
405 uint64_t _changeStamp;
394
395 Process *_current;
396
397 bool initDone;
398 bool runToTime;
399 bool runOnce;
400
401 ProcessList initList;

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407 Process *_current;
408
409 bool initDone;
410 bool runToTime;
411 bool runOnce;
412
413 ProcessList initList;

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