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
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50enum cpu_mode { kernel, user, idle, interrupt, cpu_mode_num };
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50enum cpu_mode { kernel, user, idle, cpu_mode_num }; |
51extern const char *modestr[]; 52
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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
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53class Statistics : public Serializable 54{ 55 private:
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130 friend class Binning;
131
132 private:
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56 std::string myname; 57 58 Addr idleProcess; 59 cpu_mode themode; 60 Tick lastModeTick;
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138 bool bin_int;
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61 62 void changeMode(cpu_mode newmode, ThreadContext *tc); 63 64 private: 65 Stats::Scalar<> _arm; 66 Stats::Scalar<> _quiesce; 67 Stats::Scalar<> _ivlb; 68 Stats::Scalar<> _ivle; 69 Stats::Scalar<> _hwrei; 70 71 Stats::Vector<> _iplCount; 72 Stats::Vector<> _iplGood; 73 Stats::Vector<> _iplTicks; 74 Stats::Formula _iplUsed; 75 76 Stats::Vector<> _callpal; 77 Stats::Vector<> _syscall; 78// Stats::Vector<> _faults; 79 80 Stats::Vector<> _mode; 81 Stats::Vector<> _modeGood; 82 Stats::Formula _modeFraction; 83 Stats::Vector<> _modeTicks; 84 85 Stats::Scalar<> _swap_context; 86 87 private: 88 int iplLast; 89 Tick iplLastTick; 90 91 public: 92 Statistics(System *system); 93 94 const std::string name() const { return myname; } 95 void regStats(const std::string &name); 96 97 public: 98 void arm() { _arm++; } 99 void quiesce() { _quiesce++; } 100 void ivlb() { _ivlb++; } 101 void ivle() { _ivle++; } 102 void hwrei() { _hwrei++; } 103 void swpipl(int ipl); 104 void mode(cpu_mode newmode, ThreadContext *tc); 105 void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc); 106 void callpal(int code, ThreadContext *tc); 107 108 void setIdleProcess(Addr idle, ThreadContext *tc); 109 110 public: 111 virtual void serialize(std::ostream &os); 112 virtual void unserialize(Checkpoint *cp, const std::string §ion); 113}; 114 115/* end namespace Kernel */ } 116 117#endif // __KERNEL_STATS_HH__
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