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;

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27 *
28 * Authors: Lisa Hsu
29 * Nathan Binkert
30 */
31
32#ifndef __KERNEL_STATS_HH__
33#define __KERNEL_STATS_HH__
34
35#include <string>
36
37#include "cpu/static_inst.hh"
38#include "sim/serialize.hh"
39
40class BaseCPU;
41class ThreadContext;
42class FnEvent;
43// What does kernel stats expect is included?
44class System;
45
46namespace Kernel {
47
48class Statistics : public Serializable
49{
50 protected:
51 std::string myname;
52
53 protected:
54 Stats::Scalar<> _arm;
55 Stats::Scalar<> _quiesce;
56 Stats::Scalar<> _hwrei;
57
58 Stats::Vector<> _iplCount;
59 Stats::Vector<> _iplGood;
60 Stats::Vector<> _iplTicks;
61 Stats::Formula _iplUsed;
62
63 Stats::Vector<> _syscall;
64// Stats::Vector<> _faults;
65
66 private:
67 int iplLast;
68 Tick iplLastTick;
69
70 public:
71 Statistics(System *system);
72 virtual ~Statistics() {}
73
74 const std::string name() const { return myname; }
75 void regStats(const std::string &name);
76
77 public:
78 void arm() { _arm++; }
79 void quiesce() { _quiesce++; }
80 void swpipl(int ipl);
81
82 public:
83 virtual void serialize(std::ostream &os);
84 virtual void unserialize(Checkpoint *cp, const std::string &section);
85};
86
87/* end namespace Kernel */ }
88
89#endif // __KERNEL_STATS_HH__