kernel_stats.hh revision 2680
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: Lisa Hsu 29 * Nathan Binkert 30 */ 31 32#ifndef __KERNEL_STATS_HH__ 33#define __KERNEL_STATS_HH__ 34 35#include <map> 36#include <stack> 37#include <string> 38#include <vector> 39 40#include "cpu/static_inst.hh" 41 42class BaseCPU; 43class ThreadContext; 44class FnEvent; 45// What does kernel stats expect is included? 46class System; 47 48namespace Kernel { 49 50enum cpu_mode { kernel, user, idle, interrupt, cpu_mode_num }; 51extern const char *modestr[]; 52 53class Binning 54{ 55 private: 56 std::string myname; 57 System *system; 58 59 private: 60 // lisa's binning stuff 61 struct fnCall 62 { 63 Stats::MainBin *myBin; 64 std::string name; 65 }; 66 67 struct SWContext 68 { 69 Counter calls; 70 std::stack<fnCall *> callStack; 71 }; 72 73 std::map<const std::string, Stats::MainBin *> fnBins; 74 std::map<const Addr, SWContext *> swCtxMap; 75 76 std::multimap<const std::string, std::string> callerMap; 77 void populateMap(std::string caller, std::string callee); 78 79 std::vector<FnEvent *> fnEvents; 80 81 Stats::Scalar<> fnCalls; 82 83 Stats::MainBin *getBin(const std::string &name); 84 bool findCaller(std::string, std::string) const; 85 86 SWContext *findContext(Addr pcb); 87 bool addContext(Addr pcb, SWContext *ctx) 88 { 89 return (swCtxMap.insert(std::make_pair(pcb, ctx))).second; 90 } 91 92 void remContext(Addr pcb) 93 { 94 swCtxMap.erase(pcb); 95 } 96 97 void dumpState() const; 98 99 SWContext *swctx; 100 std::vector<std::string> binned_fns; 101 102 private: 103 Stats::MainBin *modeBin[cpu_mode_num]; 104 105 public: 106 const bool bin; 107 const bool fnbin; 108 109 cpu_mode themode; 110 void palSwapContext(ThreadContext *tc); 111 void execute(ThreadContext *tc, StaticInstPtr inst); 112 void call(ThreadContext *tc, Stats::MainBin *myBin); 113 void changeMode(cpu_mode mode); 114 115 public: 116 Binning(System *sys); 117 virtual ~Binning(); 118 119 const std::string name() const { return myname; } 120 void regStats(const std::string &name); 121 122 public: 123 virtual void serialize(std::ostream &os); 124 virtual void unserialize(Checkpoint *cp, const std::string §ion); 125}; 126 127class Statistics : public Serializable 128{ 129 private: 130 friend class Binning; 131 132 private: 133 std::string myname; 134 135 Addr idleProcess; 136 cpu_mode themode; 137 Tick lastModeTick; 138 bool bin_int; 139 140 void changeMode(cpu_mode newmode, ThreadContext *tc); 141 142 private: 143 Stats::Scalar<> _arm; 144 Stats::Scalar<> _quiesce; 145 Stats::Scalar<> _ivlb; 146 Stats::Scalar<> _ivle; 147 Stats::Scalar<> _hwrei; 148 149 Stats::Vector<> _iplCount; 150 Stats::Vector<> _iplGood; 151 Stats::Vector<> _iplTicks; 152 Stats::Formula _iplUsed; 153 154 Stats::Vector<> _callpal; 155 Stats::Vector<> _syscall; 156// Stats::Vector<> _faults; 157 158 Stats::Vector<> _mode; 159 Stats::Vector<> _modeGood; 160 Stats::Formula _modeFraction; 161 Stats::Vector<> _modeTicks; 162 163 Stats::Scalar<> _swap_context; 164 165 private: 166 int iplLast; 167 Tick iplLastTick; 168 169 public: 170 Statistics(System *system); 171 172 const std::string name() const { return myname; } 173 void regStats(const std::string &name); 174 175 public: 176 void arm() { _arm++; } 177 void quiesce() { _quiesce++; } 178 void ivlb() { _ivlb++; } 179 void ivle() { _ivle++; } 180 void hwrei() { _hwrei++; } 181 void swpipl(int ipl); 182 void mode(cpu_mode newmode, ThreadContext *tc); 183 void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc); 184 void callpal(int code, ThreadContext *tc); 185 186 void setIdleProcess(Addr idle, ThreadContext *tc); 187 188 public: 189 virtual void serialize(std::ostream &os); 190 virtual void unserialize(Checkpoint *cp, const std::string §ion); 191}; 192 193/* end namespace Kernel */ } 194 195#endif // __KERNEL_STATS_HH__ 196