stat_control.cc revision 8720:32e4b41c10e5
1/* 2 * Copyright (c) 2004-2005 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// This file will contain default statistics for the simulator that 32// don't really belong to a specific simulator object 33 34#include <fstream> 35#include <iostream> 36#include <list> 37 38#include "base/callback.hh" 39#include "base/hostinfo.hh" 40#include "base/statistics.hh" 41#include "base/time.hh" 42#include "config/the_isa.hh" 43#if THE_ISA == NO_ISA 44#include "arch/noisa/cpu_dummy.hh" 45#else 46#include "cpu/base.hh" 47#endif 48 49#include "sim/eventq.hh" 50#include "sim/stat_control.hh" 51 52using namespace std; 53 54Stats::Formula simSeconds; 55Stats::Value simTicks; 56Stats::Value finalTick; 57Stats::Value simFreq; 58 59namespace Stats { 60 61Time statTime(true); 62Tick startTick; 63 64struct SimTicksReset : public Callback 65{ 66 void process() 67 { 68 statTime.setTimer(); 69 startTick = curTick(); 70 } 71}; 72 73double 74statElapsedTime() 75{ 76 Time now; 77 now.setTimer(); 78 79 Time elapsed = now - statTime; 80 return elapsed; 81} 82 83Tick 84statElapsedTicks() 85{ 86 return curTick() - startTick; 87} 88 89Tick 90statFinalTick() 91{ 92 return curTick(); 93} 94 95SimTicksReset simTicksReset; 96 97struct Global 98{ 99 Stats::Formula hostInstRate; 100 Stats::Formula hostTickRate; 101 Stats::Value hostMemory; 102 Stats::Value hostSeconds; 103 104 Stats::Value simInsts; 105 106 Global(); 107}; 108 109Global::Global() 110{ 111 simInsts 112 .functor(BaseCPU::numSimulatedInstructions) 113 .name("sim_insts") 114 .desc("Number of instructions simulated") 115 .precision(0) 116 .prereq(simInsts) 117 ; 118 119 simSeconds 120 .name("sim_seconds") 121 .desc("Number of seconds simulated") 122 ; 123 124 simFreq 125 .scalar(SimClock::Frequency) 126 .name("sim_freq") 127 .desc("Frequency of simulated ticks") 128 ; 129 130 simTicks 131 .functor(statElapsedTicks) 132 .name("sim_ticks") 133 .desc("Number of ticks simulated") 134 ; 135 136 finalTick 137 .functor(statFinalTick) 138 .name("final_tick") 139 .desc("Number of ticks from beginning of simulation \ 140(restored from checkpoints and never reset)") 141 ; 142 143 hostInstRate 144 .name("host_inst_rate") 145 .desc("Simulator instruction rate (inst/s)") 146 .precision(0) 147 .prereq(simInsts) 148 ; 149 150 hostMemory 151 .functor(memUsage) 152 .name("host_mem_usage") 153 .desc("Number of bytes of host memory used") 154 .prereq(hostMemory) 155 ; 156 157 hostSeconds 158 .functor(statElapsedTime) 159 .name("host_seconds") 160 .desc("Real time elapsed on the host") 161 .precision(2) 162 ; 163 164 hostTickRate 165 .name("host_tick_rate") 166 .desc("Simulator tick rate (ticks/s)") 167 .precision(0) 168 ; 169 170 simSeconds = simTicks / simFreq; 171 hostInstRate = simInsts / hostSeconds; 172 hostTickRate = simTicks / hostSeconds; 173 174 registerResetCallback(&simTicksReset); 175} 176 177void 178initSimStats() 179{ 180 static Global global; 181} 182 183class StatEvent : public Event 184{ 185 private: 186 bool dump; 187 bool reset; 188 Tick repeat; 189 190 public: 191 StatEvent(bool _dump, bool _reset, Tick _repeat) 192 : Event(Stat_Event_Pri, AutoDelete), 193 dump(_dump), reset(_reset), repeat(_repeat) 194 { 195 } 196 197 virtual void 198 process() 199 { 200 if (dump) 201 Stats::dump(); 202 203 if (reset) 204 Stats::reset(); 205 206 if (repeat) { 207 Stats::schedStatEvent(dump, reset, curTick() + repeat, repeat); 208 } 209 } 210}; 211 212void 213schedStatEvent(bool dump, bool reset, Tick when, Tick repeat) 214{ 215 Event *event = new StatEvent(dump, reset, repeat); 216 mainEventQueue.schedule(event, when); 217} 218 219} // namespace Stats 220