stat_control.cc revision 4078:3f73f808bbd4
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 "cpu/base.hh" 43#include "sim/eventq.hh" 44 45using namespace std; 46 47Stats::Formula hostInstRate; 48Stats::Formula hostTickRate; 49Stats::Value hostMemory; 50Stats::Value hostSeconds; 51 52Stats::Value simTicks; 53Stats::Value simInsts; 54Stats::Value simFreq; 55Stats::Formula simSeconds; 56 57namespace Stats { 58 59Time statTime(true); 60Tick startTick; 61 62struct SimTicksReset : public Callback 63{ 64 void process() 65 { 66 statTime.set(); 67 startTick = curTick; 68 } 69}; 70 71double 72statElapsedTime() 73{ 74 Time now(true); 75 Time elapsed = now - statTime; 76 return elapsed(); 77} 78 79Tick 80statElapsedTicks() 81{ 82 return curTick - startTick; 83} 84 85SimTicksReset simTicksReset; 86 87void 88initSimStats() 89{ 90 simInsts 91 .functor(BaseCPU::numSimulatedInstructions) 92 .name("sim_insts") 93 .desc("Number of instructions simulated") 94 .precision(0) 95 .prereq(simInsts) 96 ; 97 98 simSeconds 99 .name("sim_seconds") 100 .desc("Number of seconds simulated") 101 ; 102 103 simFreq 104 .scalar(Clock::Frequency) 105 .name("sim_freq") 106 .desc("Frequency of simulated ticks") 107 ; 108 109 simTicks 110 .functor(statElapsedTicks) 111 .name("sim_ticks") 112 .desc("Number of ticks simulated") 113 ; 114 115 hostInstRate 116 .name("host_inst_rate") 117 .desc("Simulator instruction rate (inst/s)") 118 .precision(0) 119 .prereq(simInsts) 120 ; 121 122 hostMemory 123 .functor(memUsage) 124 .name("host_mem_usage") 125 .desc("Number of bytes of host memory used") 126 .prereq(hostMemory) 127 ; 128 129 hostSeconds 130 .functor(statElapsedTime) 131 .name("host_seconds") 132 .desc("Real time elapsed on the host") 133 .precision(2) 134 ; 135 136 hostTickRate 137 .name("host_tick_rate") 138 .desc("Simulator tick rate (ticks/s)") 139 .precision(0) 140 ; 141 142 simSeconds = simTicks / simFreq; 143 hostInstRate = simInsts / hostSeconds; 144 hostTickRate = simTicks / hostSeconds; 145 146 registerResetCallback(&simTicksReset); 147} 148 149class _StatEvent : public Event 150{ 151 private: 152 bool dump; 153 bool reset; 154 Tick repeat; 155 156 public: 157 _StatEvent(bool _dump, bool _reset, Tick _when, Tick _repeat) 158 : Event(&mainEventQueue, Stat_Event_Pri), dump(_dump), reset(_reset), 159 repeat(_repeat) 160 { 161 setFlags(AutoDelete); 162 schedule(_when); 163 } 164 165 virtual void 166 process() 167 { 168 if (dump) 169 Stats::dump(); 170 171 if (reset) 172 Stats::reset(); 173 174 if (repeat) 175 new _StatEvent(dump, reset, curTick + repeat, repeat); 176 } 177}; 178 179void 180StatEvent(bool dump, bool reset, Tick when, Tick repeat) 181{ 182 new _StatEvent(dump, reset, when, repeat); 183} 184 185/* namespace Stats */ } 186