kernel_stats.hh revision 1082
1/* 2 * Copyright (c) 2003 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#ifndef __KERNEL_STATS_HH__ 30#define __KERNEL_STATS_HH__ 31 32#include <map> 33#include <stack> 34#include <string> 35#include <vector> 36 37#include "base/statistics.hh" 38#include "sim/serialize.hh" 39#include "targetarch/isa_traits.hh" 40 41class BaseCPU; 42class ExecContext; 43class FnEvent; 44enum Fault; 45 46namespace Kernel { 47 48enum cpu_mode { kernel, user, idle, interrupt, cpu_mode_num }; 49extern const char *modestr[]; 50 51class Binning 52{ 53 private: 54 std::string myname; 55 System *system; 56 57 private: 58 // lisa's binning stuff 59 struct fnCall 60 { 61 Stats::MainBin *myBin; 62 std::string name; 63 }; 64 65 struct SWContext 66 { 67 Counter calls; 68 std::stack<fnCall *> callStack; 69 }; 70 71 std::map<const std::string, Stats::MainBin *> fnBins; 72 std::map<const Addr, SWContext *> swCtxMap; 73 74 std::multimap<const std::string, std::string> callerMap; 75 void populateMap(std::string caller, std::string callee); 76 77 std::vector<FnEvent *> fnEvents; 78 79 Stats::Scalar<> fnCalls; 80 81 Stats::MainBin *getBin(const std::string &name); 82 bool findCaller(std::string, std::string) const; 83 84 SWContext *findContext(Addr pcb); 85 bool addContext(Addr pcb, SWContext *ctx) 86 { 87 return (swCtxMap.insert(std::make_pair(pcb, ctx))).second; 88 } 89 90 void remContext(Addr pcb) 91 { 92 swCtxMap.erase(pcb); 93 } 94 95 void dumpState() const; 96 97 SWContext *swctx; 98 std::vector<std::string> binned_fns; 99 100 private: 101 Stats::MainBin *modeBin[cpu_mode_num]; 102 103 public: 104 const bool bin; 105 const bool fnbin; 106 107 cpu_mode themode; 108 void palSwapContext(ExecContext *xc); 109 void execute(ExecContext *xc, const StaticInstBase *inst); 110 void call(ExecContext *xc, Stats::MainBin *myBin); 111 void changeMode(cpu_mode mode); 112 113 public: 114 Binning(System *sys); 115 virtual ~Binning(); 116 117 const std::string name() const { return myname; } 118 void regStats(const std::string &name); 119 120 public: 121 virtual void serialize(std::ostream &os); 122 virtual void unserialize(Checkpoint *cp, const std::string §ion); 123}; 124 125class Statistics : public Serializable 126{ 127 friend class Binning; 128 129 private: 130 std::string myname; 131 ExecContext *xc; 132 133 Addr idleProcess; 134 cpu_mode themode; 135 Tick lastModeTick; 136 bool bin_int; 137 138 void changeMode(cpu_mode newmode); 139 140 private: 141 Stats::Scalar<> _arm; 142 Stats::Scalar<> _quiesce; 143 Stats::Scalar<> _ivlb; 144 Stats::Scalar<> _ivle; 145 Stats::Scalar<> _hwrei; 146 147 Stats::Vector<> _iplCount; 148 Stats::Vector<> _iplGood; 149 Stats::Vector<> _iplTicks; 150 Stats::Formula _iplUsed; 151 152 Stats::Vector<> _callpal; 153 Stats::Vector<> _syscall; 154 Stats::Vector<> _faults; 155 156 Stats::Vector<> _mode; 157 Stats::Vector<> _modeGood; 158 Stats::Formula _modeFraction; 159 Stats::Vector<> _modeTicks; 160 161 Stats::Scalar<> _swap_context; 162 163 private: 164 int iplLast; 165 Tick iplLastTick; 166 167 public: 168 Statistics(ExecContext *context); 169 170 const std::string name() const { return myname; } 171 void regStats(const std::string &name); 172 173 public: 174 void arm() { _arm++; } 175 void quiesce() { _quiesce++; } 176 void ivlb() { _ivlb++; } 177 void ivle() { _ivle++; } 178 void hwrei() { _hwrei++; } 179 void fault(Fault fault) { _faults[fault]++; } 180 void swpipl(int ipl); 181 void mode(cpu_mode newmode); 182 void context(Addr oldpcbb, Addr newpcbb); 183 void callpal(int code); 184 185 void setIdleProcess(Addr idle); 186 187 public: 188 virtual void serialize(std::ostream &os); 189 virtual void unserialize(Checkpoint *cp, const std::string §ion); 190}; 191 192/* end namespace Kernel */ } 193 194#endif // __KERNEL_STATS_HH__ 195