sim_events.cc (5501:b1beee9351a4) | sim_events.cc (5606:6da7a58b0bc8) |
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1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 26 unchanged lines hidden (view full) --- 35#include "sim/eventq.hh" 36#include "sim/sim_events.hh" 37#include "sim/sim_exit.hh" 38#include "sim/startup.hh" 39#include "sim/stats.hh" 40 41using namespace std; 42 | 1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; --- 26 unchanged lines hidden (view full) --- 35#include "sim/eventq.hh" 36#include "sim/sim_events.hh" 37#include "sim/sim_exit.hh" 38#include "sim/startup.hh" 39#include "sim/stats.hh" 40 41using namespace std; 42 |
43SimLoopExitEvent::SimLoopExitEvent(const std::string &_cause, int c, Tick r) 44 : Event(Sim_Exit_Pri), cause(_cause), code(c), repeat(r) 45{ 46 setFlags(IsExitEvent); 47} 48 49 |
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43// 44// handle termination event 45// 46void 47SimLoopExitEvent::process() 48{ 49 // if this got scheduled on a different queue (e.g. the committed 50 // instruction queue) then make a corresponding event on the main 51 // queue. | 50// 51// handle termination event 52// 53void 54SimLoopExitEvent::process() 55{ 56 // if this got scheduled on a different queue (e.g. the committed 57 // instruction queue) then make a corresponding event on the main 58 // queue. |
52 if (queue() != &mainEventQueue) { | 59 if (!getFlags(IsMainQueue)) { |
53 exitSimLoop(cause, code); 54 delete this; 55 } 56 57 // otherwise do nothing... the IsExitEvent flag takes care of 58 // exiting the simulation loop and returning this object to Python 59 60 // but if you are doing this on intervals, don't forget to make another 61 if (repeat) { | 60 exitSimLoop(cause, code); 61 delete this; 62 } 63 64 // otherwise do nothing... the IsExitEvent flag takes care of 65 // exiting the simulation loop and returning this object to Python 66 67 // but if you are doing this on intervals, don't forget to make another 68 if (repeat) { |
62 schedule(curTick + repeat); | 69 assert(getFlags(IsMainQueue)); 70 mainEventQueue.schedule(this, curTick + repeat); |
63 } 64} 65 66 67const char * 68SimLoopExitEvent::description() const 69{ 70 return "simulation loop exit"; 71} 72 | 71 } 72} 73 74 75const char * 76SimLoopExitEvent::description() const 77{ 78 return "simulation loop exit"; 79} 80 |
73SimLoopExitEvent * 74schedExitSimLoop(const std::string &message, Tick when, Tick repeat, 75 EventQueue *q, int exit_code) 76{ 77 if (q == NULL) 78 q = &mainEventQueue; 79 80 return new SimLoopExitEvent(q, when, repeat, message, exit_code); 81} 82 | |
83void 84exitSimLoop(const std::string &message, int exit_code) 85{ | 81void 82exitSimLoop(const std::string &message, int exit_code) 83{ |
86 schedExitSimLoop(message, curTick, 0, NULL, exit_code); | 84 Event *event = new SimLoopExitEvent(message, exit_code); 85 mainEventQueue.schedule(event, curTick); |
87} 88 | 86} 87 |
88CountedDrainEvent::CountedDrainEvent() 89 : SimLoopExitEvent("Finished drain", 0), count(0) 90{ } 91 |
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89void 90CountedDrainEvent::process() 91{ | 92void 93CountedDrainEvent::process() 94{ |
92 if (--count == 0) { 93 exitSimLoop("Finished drain"); 94 } | 95 if (--count == 0) 96 exitSimLoop(cause, code); |
95} 96 97// 98// constructor: automatically schedules at specified time 99// | 97} 98 99// 100// constructor: automatically schedules at specified time 101// |
100CountedExitEvent::CountedExitEvent(EventQueue *q, const std::string &_cause, 101 Tick _when, int &_downCounter) 102 : Event(q, Sim_Exit_Pri), 103 cause(_cause), 104 downCounter(_downCounter) | 102CountedExitEvent::CountedExitEvent(const std::string &_cause, int &counter) 103 : Event(Sim_Exit_Pri), cause(_cause), downCounter(counter) |
105{ 106 // catch stupid mistakes 107 assert(downCounter > 0); | 104{ 105 // catch stupid mistakes 106 assert(downCounter > 0); |
108 109 schedule(_when); | |
110} 111 112 113// 114// handle termination event 115// 116void 117CountedExitEvent::process() --- 5 unchanged lines hidden (view full) --- 123 124 125const char * 126CountedExitEvent::description() const 127{ 128 return "counted exit"; 129} 130 | 107} 108 109 110// 111// handle termination event 112// 113void 114CountedExitEvent::process() --- 5 unchanged lines hidden (view full) --- 120 121 122const char * 123CountedExitEvent::description() const 124{ 125 return "counted exit"; 126} 127 |
131#ifdef CHECK_SWAP_CYCLES 132new CheckSwapEvent(&mainEventQueue, CHECK_SWAP_CYCLES); 133#endif | 128CheckSwapEvent::CheckSwapEvent(int ival) 129 : interval(ival) 130{ 131 mainEventQueue.schedule(this, curTick + interval); 132} |
134 135void 136CheckSwapEvent::process() 137{ 138 /* Check the amount of free swap space */ 139 long swap; 140 141 /* returns free swap in KBytes */ 142 swap = procInfo("/proc/meminfo", "SwapFree:"); 143 144 if (swap < 1000) 145 ccprintf(cerr, "\a\a\aWarning! Swap space is low (%d)\n", swap); 146 147 if (swap < 100) { 148 cerr << "\a\aAborting Simulation! Inadequate swap space!\n\n"; 149 exitSimLoop("Lack of swap space"); 150 } 151 | 133 134void 135CheckSwapEvent::process() 136{ 137 /* Check the amount of free swap space */ 138 long swap; 139 140 /* returns free swap in KBytes */ 141 swap = procInfo("/proc/meminfo", "SwapFree:"); 142 143 if (swap < 1000) 144 ccprintf(cerr, "\a\a\aWarning! Swap space is low (%d)\n", swap); 145 146 if (swap < 100) { 147 cerr << "\a\aAborting Simulation! Inadequate swap space!\n\n"; 148 exitSimLoop("Lack of swap space"); 149 } 150 |
152 schedule(curTick + interval); | 151 assert(getFlags(IsMainQueue)); 152 mainEventQueue.schedule(this, curTick + interval); |
153} 154 155const char * 156CheckSwapEvent::description() const 157{ 158 return "check swap"; 159} | 153} 154 155const char * 156CheckSwapEvent::description() const 157{ 158 return "check swap"; 159} |