1/*
2 * Copyright (c) 2003-2005 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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55#include <cmath>
56#include <functional>
57#include <iosfwd>
58#include <list>
59#include <string>
60#include <vector>
61
62#include "base/stats/info.hh"
63#include "base/stats/output.hh"
64#include "base/stats/types.hh"
65#include "base/cast.hh"
66#include "base/cprintf.hh"
67#include "base/intmath.hh"
68#include "base/refcnt.hh"
69#include "base/str.hh"
70#include "base/types.hh"
71
72class Callback;

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85
86 public:
87 InfoProxy(Stat &stat) : s(stat) {}
88
89 bool check() const { return s.check(); }
90 void prepare() { s.prepare(); }
91 void reset() { s.reset(); }
92 void
93 visit(Output &visitor)
94 {
95 visitor.visit(*static_cast<Base *>(this));
96 }
97 bool zero() const { return s.zero(); }
98};
99
100template <class Stat>
101class ScalarInfoProxy : public InfoProxy<Stat, ScalarInfo>

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733 public:
734 std::string str() const { return to_string(value()); }
735 size_type size() const { return 1; }
736 bool check() const { return true; }
737 void prepare() { }
738 void reset() { }
739 bool zero() const { return value() == 0; }
740
741 void visit(Output &visitor) { visitor.visit(*this); }
742};
743
744template <class T>
745class ValueProxy : public ProxyInfo
746{
747 private:
748 T *scalar;
749

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2928}
2929
2930inline Temp
2931sum(Temp val)
2932{
2933 return NodePtr(new SumNode<std::plus<Result> >(val));
2934}
2935
2936/** Dump all statistics data to the registered outputs */
2937void dump();
2938void reset();
2939
2940/**
2941 * Register a callback that should be called whenever statistics are
2942 * reset
2943 */
2944void registerResetCallback(Callback *cb);
2945
2946std::list<Info *> &statsList();
2947
2948} // namespace Stats
2949
2950#endif // __BASE_STATISTICS_HH__