sim_object.cc revision 938
1/* 2 * Copyright (c) 2001-2004 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 29#include <assert.h> 30 31#include "base/callback.hh" 32#include "base/inifile.hh" 33#include "base/misc.hh" 34#include "base/trace.hh" 35#include "base/stats/events.hh" 36#include "sim/configfile.hh" 37#include "sim/host.hh" 38#include "sim/sim_object.hh" 39#include "sim/stats.hh" 40#include "sim/param.hh" 41 42using namespace std; 43 44 45//////////////////////////////////////////////////////////////////////// 46// 47// SimObject member definitions 48// 49//////////////////////////////////////////////////////////////////////// 50 51// 52// static list of all SimObjects, used for initialization etc. 53// 54SimObject::SimObjectList SimObject::simObjectList; 55 56// 57// SimObject constructor: used to maintain static simObjectList 58// 59SimObject::SimObject(const string &_name) 60 : objName(_name) 61{ 62 doRecordEvent = !Stats::ignoreEvent(_name); 63 simObjectList.push_back(this); 64} 65 66void 67SimObject::init() 68{ 69} 70 71// 72// no default statistics, so nothing to do in base implementation 73// 74void 75SimObject::regStats() 76{ 77} 78 79void 80SimObject::regFormulas() 81{ 82} 83 84void 85SimObject::resetStats() 86{ 87} 88 89// 90// static function: 91// call regStats() on all SimObjects and then regFormulas() on all 92// SimObjects. 93// 94struct SimObjectResetCB : public Callback 95{ 96 virtual void process() { SimObject::resetAllStats(); } 97}; 98 99namespace { 100 static SimObjectResetCB StatResetCB; 101} 102 103void 104SimObject::regAllStats() 105{ 106 SimObjectList::iterator i; 107 SimObjectList::iterator end = simObjectList.end(); 108 109 /** 110 * @todo change cprintfs to DPRINTFs 111 */ 112 for (i = simObjectList.begin(); i != end; ++i) { 113#ifdef STAT_DEBUG 114 cprintf("registering stats for %s\n", (*i)->name()); 115#endif 116 (*i)->regStats(); 117 } 118 119 for (i = simObjectList.begin(); i != end; ++i) { 120#ifdef STAT_DEBUG 121 cprintf("registering formulas for %s\n", (*i)->name()); 122#endif 123 (*i)->regFormulas(); 124 } 125 126 Stats::registerResetCallback(&StatResetCB); 127} 128 129// 130// static function: call init() on all SimObjects. 131// 132void 133SimObject::initAll() 134{ 135 SimObjectList::iterator i = simObjectList.begin(); 136 SimObjectList::iterator end = simObjectList.end(); 137 138 for (; i != end; ++i) { 139 SimObject *obj = *i; 140 obj->init(); 141 } 142} 143 144// 145// static function: call resetStats() on all SimObjects. 146// 147void 148SimObject::resetAllStats() 149{ 150 SimObjectList::iterator i = simObjectList.begin(); 151 SimObjectList::iterator end = simObjectList.end(); 152 153 for (; i != end; ++i) { 154 SimObject *obj = *i; 155 obj->resetStats(); 156 } 157} 158 159// 160// static function: serialize all SimObjects. 161// 162void 163SimObject::serializeAll(ostream &os) 164{ 165 SimObjectList::reverse_iterator ri = simObjectList.rbegin(); 166 SimObjectList::reverse_iterator rend = simObjectList.rend(); 167 168 for (; ri != rend; ++ri) { 169 SimObject *obj = *ri; 170 obj->nameOut(os); 171 obj->serialize(os); 172 } 173} 174 175void 176SimObject::recordEvent(const std::string &stat) 177{ 178 if (doRecordEvent) 179 Stats::recordEvent(stat); 180} 181 182DEFINE_SIM_OBJECT_CLASS_NAME("SimObject", SimObject) 183