sim_events.cc (4167:ce5d0f62f13b) | sim_events.cc (4762:c94e103c83ad) |
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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; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31#include <string> 32 33#include "base/callback.hh" 34#include "base/hostinfo.hh" 35#include "sim/eventq.hh" | 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; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31#include <string> 32 33#include "base/callback.hh" 34#include "base/hostinfo.hh" 35#include "sim/eventq.hh" |
36#include "sim/param.hh" | |
37#include "sim/sim_events.hh" 38#include "sim/sim_exit.hh" 39#include "sim/startup.hh" 40#include "sim/stats.hh" 41 42using namespace std; 43 44// 45// handle termination event 46// 47void 48SimLoopExitEvent::process() 49{ 50 // if this got scheduled on a different queue (e.g. the committed 51 // instruction queue) then make a corresponding event on the main 52 // queue. 53 if (theQueue() != &mainEventQueue) { 54 exitSimLoop(cause, code); 55 delete this; 56 } 57 58 // otherwise do nothing... the IsExitEvent flag takes care of 59 // exiting the simulation loop and returning this object to Python 60 61 // but if you are doing this on intervals, don't forget to make another 62 if (repeat) { 63 schedule(curTick + repeat); 64 } 65} 66 67 68const char * 69SimLoopExitEvent::description() 70{ 71 return "simulation loop exit"; 72} 73 74SimLoopExitEvent * 75schedExitSimLoop(const std::string &message, Tick when, Tick repeat, 76 EventQueue *q, int exit_code) 77{ 78 if (q == NULL) 79 q = &mainEventQueue; 80 81 return new SimLoopExitEvent(q, when, repeat, message, exit_code); 82} 83 84void 85exitSimLoop(const std::string &message, int exit_code) 86{ 87 schedExitSimLoop(message, curTick, 0, NULL, exit_code); 88} 89 90void 91CountedDrainEvent::process() 92{ 93 if (--count == 0) { 94 exitSimLoop("Finished drain"); 95 } 96} 97 98// 99// constructor: automatically schedules at specified time 100// 101CountedExitEvent::CountedExitEvent(EventQueue *q, const std::string &_cause, 102 Tick _when, int &_downCounter) 103 : Event(q, Sim_Exit_Pri), 104 cause(_cause), 105 downCounter(_downCounter) 106{ 107 // catch stupid mistakes 108 assert(downCounter > 0); 109 110 schedule(_when); 111} 112 113 114// 115// handle termination event 116// 117void 118CountedExitEvent::process() 119{ 120 if (--downCounter == 0) { 121 exitSimLoop(cause, 0); 122 } 123} 124 125 126const char * 127CountedExitEvent::description() 128{ 129 return "counted exit"; 130} 131 132#ifdef CHECK_SWAP_CYCLES 133new CheckSwapEvent(&mainEventQueue, CHECK_SWAP_CYCLES); 134#endif 135 136void 137CheckSwapEvent::process() 138{ 139 /* Check the amount of free swap space */ 140 long swap; 141 142 /* returns free swap in KBytes */ 143 swap = procInfo("/proc/meminfo", "SwapFree:"); 144 145 if (swap < 1000) 146 ccprintf(cerr, "\a\a\aWarning! Swap space is low (%d)\n", swap); 147 148 if (swap < 100) { 149 cerr << "\a\aAborting Simulation! Inadequate swap space!\n\n"; 150 exitSimLoop("Lack of swap space"); 151 } 152 153 schedule(curTick + interval); 154} 155 156const char * 157CheckSwapEvent::description() 158{ 159 return "check swap"; 160} | 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 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. 52 if (theQueue() != &mainEventQueue) { 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) { 62 schedule(curTick + repeat); 63 } 64} 65 66 67const char * 68SimLoopExitEvent::description() 69{ 70 return "simulation loop exit"; 71} 72 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{ 86 schedExitSimLoop(message, curTick, 0, NULL, exit_code); 87} 88 89void 90CountedDrainEvent::process() 91{ 92 if (--count == 0) { 93 exitSimLoop("Finished drain"); 94 } 95} 96 97// 98// constructor: automatically schedules at specified time 99// 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) 105{ 106 // catch stupid mistakes 107 assert(downCounter > 0); 108 109 schedule(_when); 110} 111 112 113// 114// handle termination event 115// 116void 117CountedExitEvent::process() 118{ 119 if (--downCounter == 0) { 120 exitSimLoop(cause, 0); 121 } 122} 123 124 125const char * 126CountedExitEvent::description() 127{ 128 return "counted exit"; 129} 130 131#ifdef CHECK_SWAP_CYCLES 132new CheckSwapEvent(&mainEventQueue, CHECK_SWAP_CYCLES); 133#endif 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 } 151 152 schedule(curTick + interval); 153} 154 155const char * 156CheckSwapEvent::description() 157{ 158 return "check swap"; 159} |