1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 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; --- 23 unchanged lines hidden (view full) --- 32#include <iostream> 33#include <vector> 34 35#include "mem/ruby/common/TypeDefines.hh" 36 37class Histogram 38{ 39 public: |
40 Histogram(int binsize = 1, uint32_t bins = 50); |
41 ~Histogram(); 42 43 void add(int64 value); |
44 void add(Histogram& hist); 45 void doubleBinSize(); 46 47 void clear() { clear(m_data.size()); } 48 void clear(uint32_t bins); 49 void clear(int binsize, uint32_t bins); 50 51 uint64_t size() const { return m_count; } 52 uint32_t getBins() const { return m_data.size(); } |
53 int getBinSize() const { return m_binsize; } 54 int64 getTotal() const { return m_sumSamples; } |
55 uint64_t getSquaredTotal() const { return m_sumSquaredSamples; } 56 uint64_t getData(int index) const { return m_data[index]; } 57 int64 getMax() const { return m_max; } |
58 59 void printWithMultiplier(std::ostream& out, double multiplier) const; 60 void printPercent(std::ostream& out) const; 61 void print(std::ostream& out) const; 62 63private: |
64 std::vector<uint64_t> m_data; |
65 int64 m_max; // the maximum value seen so far |
66 uint64_t m_count; // the number of elements added |
67 int m_binsize; // the size of each bucket |
68 uint32_t m_largest_bin; // the largest bin used |
69 70 int64 m_sumSamples; // the sum of all samples |
71 uint64_t m_sumSquaredSamples; // the sum of the square of all samples |
72 73 double getStandardDeviation() const; 74}; 75 76bool node_less_then_eq(const Histogram* n1, const Histogram* n2); 77 78inline std::ostream& 79operator<<(std::ostream& out, const Histogram& obj) 80{ 81 obj.print(out); 82 out << std::flush; 83 return out; 84} 85 86#endif // __MEM_RUBY_COMMON_HISTOGRAM_HH__ |