kernel_stats.hh revision 2632:1bb2f91485ea
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 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 "cpu/static_inst.hh" 38 39class BaseCPU; 40class ExecContext; 41class FnEvent; 42// What does kernel stats expect is included? 43class System; 44 45namespace Kernel { 46 47enum cpu_mode { kernel, user, idle, interrupt, cpu_mode_num }; 48extern const char *modestr[]; 49 50class Binning 51{ 52 private: 53 std::string myname; 54 System *system; 55 56 private: 57 // lisa's binning stuff 58 struct fnCall 59 { 60 Stats::MainBin *myBin; 61 std::string name; 62 }; 63 64 struct SWContext 65 { 66 Counter calls; 67 std::stack<fnCall *> callStack; 68 }; 69 70 std::map<const std::string, Stats::MainBin *> fnBins; 71 std::map<const Addr, SWContext *> swCtxMap; 72 73 std::multimap<const std::string, std::string> callerMap; 74 void populateMap(std::string caller, std::string callee); 75 76 std::vector<FnEvent *> fnEvents; 77 78 Stats::Scalar<> fnCalls; 79 80 Stats::MainBin *getBin(const std::string &name); 81 bool findCaller(std::string, std::string) const; 82 83 SWContext *findContext(Addr pcb); 84 bool addContext(Addr pcb, SWContext *ctx) 85 { 86 return (swCtxMap.insert(std::make_pair(pcb, ctx))).second; 87 } 88 89 void remContext(Addr pcb) 90 { 91 swCtxMap.erase(pcb); 92 } 93 94 void dumpState() const; 95 96 SWContext *swctx; 97 std::vector<std::string> binned_fns; 98 99 private: 100 Stats::MainBin *modeBin[cpu_mode_num]; 101 102 public: 103 const bool bin; 104 const bool fnbin; 105 106 cpu_mode themode; 107 void palSwapContext(ExecContext *xc); 108 void execute(ExecContext *xc, StaticInstPtr inst); 109 void call(ExecContext *xc, Stats::MainBin *myBin); 110 void changeMode(cpu_mode mode); 111 112 public: 113 Binning(System *sys); 114 virtual ~Binning(); 115 116 const std::string name() const { return myname; } 117 void regStats(const std::string &name); 118 119 public: 120 virtual void serialize(std::ostream &os); 121 virtual void unserialize(Checkpoint *cp, const std::string §ion); 122}; 123 124class Statistics : public Serializable 125{ 126 private: 127 friend class Binning; 128 129 private: 130 std::string myname; 131 132 Addr idleProcess; 133 cpu_mode themode; 134 Tick lastModeTick; 135 bool bin_int; 136 137 void changeMode(cpu_mode newmode, ExecContext *xc); 138 139 private: 140 Stats::Scalar<> _arm; 141 Stats::Scalar<> _quiesce; 142 Stats::Scalar<> _ivlb; 143 Stats::Scalar<> _ivle; 144 Stats::Scalar<> _hwrei; 145 146 Stats::Vector<> _iplCount; 147 Stats::Vector<> _iplGood; 148 Stats::Vector<> _iplTicks; 149 Stats::Formula _iplUsed; 150 151 Stats::Vector<> _callpal; 152 Stats::Vector<> _syscall; 153// Stats::Vector<> _faults; 154 155 Stats::Vector<> _mode; 156 Stats::Vector<> _modeGood; 157 Stats::Formula _modeFraction; 158 Stats::Vector<> _modeTicks; 159 160 Stats::Scalar<> _swap_context; 161 162 private: 163 int iplLast; 164 Tick iplLastTick; 165 166 public: 167 Statistics(System *system); 168 169 const std::string name() const { return myname; } 170 void regStats(const std::string &name); 171 172 public: 173 void arm() { _arm++; } 174 void quiesce() { _quiesce++; } 175 void ivlb() { _ivlb++; } 176 void ivle() { _ivle++; } 177 void hwrei() { _hwrei++; } 178 void swpipl(int ipl); 179 void mode(cpu_mode newmode, ExecContext *xc); 180 void context(Addr oldpcbb, Addr newpcbb, ExecContext *xc); 181 void callpal(int code, ExecContext *xc); 182 183 void setIdleProcess(Addr idle, ExecContext *xc); 184 185 public: 186 virtual void serialize(std::ostream &os); 187 virtual void unserialize(Checkpoint *cp, const std::string §ion); 188}; 189 190/* end namespace Kernel */ } 191 192#endif // __KERNEL_STATS_HH__ 193