stat_control.cc revision 8581
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 simFreq; 57 58namespace Stats { 59 60Time statTime(true); 61Tick startTick; 62 63struct SimTicksReset : public Callback 64{ 65 void process() 66 { 67 statTime.setTimer(); 68 startTick = curTick(); 69 } 70}; 71 72double 73statElapsedTime() 74{ 75 Time now; 76 now.setTimer(); 77 78 Time elapsed = now - statTime; 79 return elapsed; 80} 81 82Tick 83statElapsedTicks() 84{ 85 return curTick() - startTick; 86} 87 88SimTicksReset simTicksReset; 89 90struct Global 91{ 92 Stats::Formula hostInstRate; 93 Stats::Formula hostTickRate; 94 Stats::Value hostMemory; 95 Stats::Value hostSeconds; 96 97 Stats::Value simInsts; 98 99 Global(); 100}; 101 102Global::Global() 103{ 104 simInsts 105 .functor(BaseCPU::numSimulatedInstructions) 106 .name("sim_insts") 107 .desc("Number of instructions simulated") 108 .precision(0) 109 .prereq(simInsts) 110 ; 111 112 simSeconds 113 .name("sim_seconds") 114 .desc("Number of seconds simulated") 115 ; 116 117 simFreq 118 .scalar(SimClock::Frequency) 119 .name("sim_freq") 120 .desc("Frequency of simulated ticks") 121 ; 122 123 simTicks 124 .functor(statElapsedTicks) 125 .name("sim_ticks") 126 .desc("Number of ticks simulated") 127 ; 128 129 hostInstRate 130 .name("host_inst_rate") 131 .desc("Simulator instruction rate (inst/s)") 132 .precision(0) 133 .prereq(simInsts) 134 ; 135 136 hostMemory 137 .functor(memUsage) 138 .name("host_mem_usage") 139 .desc("Number of bytes of host memory used") 140 .prereq(hostMemory) 141 ; 142 143 hostSeconds 144 .functor(statElapsedTime) 145 .name("host_seconds") 146 .desc("Real time elapsed on the host") 147 .precision(2) 148 ; 149 150 hostTickRate 151 .name("host_tick_rate") 152 .desc("Simulator tick rate (ticks/s)") 153 .precision(0) 154 ; 155 156 simSeconds = simTicks / simFreq; 157 hostInstRate = simInsts / hostSeconds; 158 hostTickRate = simTicks / hostSeconds; 159 160 registerResetCallback(&simTicksReset); 161} 162 163void 164initSimStats() 165{ 166 static Global global; 167} 168 169class StatEvent : public Event 170{ 171 private: 172 bool dump; 173 bool reset; 174 Tick repeat; 175 176 public: 177 StatEvent(bool _dump, bool _reset, Tick _repeat) 178 : Event(Stat_Event_Pri, AutoDelete), 179 dump(_dump), reset(_reset), repeat(_repeat) 180 { 181 } 182 183 virtual void 184 process() 185 { 186 if (dump) 187 Stats::dump(); 188 189 if (reset) 190 Stats::reset(); 191 192 if (repeat) { 193 Stats::schedStatEvent(dump, reset, curTick() + repeat, repeat); 194 } 195 } 196}; 197 198void 199schedStatEvent(bool dump, bool reset, Tick when, Tick repeat) 200{ 201 Event *event = new StatEvent(dump, reset, repeat); 202 mainEventQueue.schedule(event, when); 203} 204 205} // namespace Stats 206