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 ExecContext;
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(ExecContext *xc);
111 void execute(ExecContext *xc, StaticInstPtr inst);
112 void call(ExecContext *xc, 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, ExecContext *xc);
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, ExecContext *xc);
183 void context(Addr oldpcbb, Addr newpcbb, ExecContext *xc);
184 void callpal(int code, ExecContext *xc);
185
186 void setIdleProcess(Addr idle, ExecContext *xc);
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__
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