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; --- 12 unchanged lines hidden (view full) --- 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 |
29#ifndef __MEM_RUBY_COMMON_HISTOGRAM_HH__ 30#define __MEM_RUBY_COMMON_HISTOGRAM_HH__ |
31 |
32#include <iostream> 33 34#include "mem/ruby/common/Global.hh" 35#include "mem/gems_common/Vector.hh" 36 |
37class Histogram 38{ 39 public: 40 Histogram(int binsize = 1, int bins = 50); 41 ~Histogram(); |
42 |
43 void add(int64 value); 44 void add(const Histogram& hist); 45 void clear() { clear(m_bins); } 46 void clear(int bins); 47 void clear(int binsize, int bins); 48 int64 size() const { return m_count; } 49 int getBins() const { return m_bins; } 50 int getBinSize() const { return m_binsize; } 51 int64 getTotal() const { return m_sumSamples; } 52 int64 getData(int index) const { return m_data[index]; } |
53 |
54 void printWithMultiplier(std::ostream& out, double multiplier) const; 55 void printPercent(std::ostream& out) const; 56 void print(std::ostream& out) const; |
57 |
58private: |
59 Vector<int64> m_data; 60 int64 m_max; // the maximum value seen so far 61 int64 m_count; // the number of elements added 62 int m_binsize; // the size of each bucket 63 int m_bins; // the number of buckets 64 int m_largest_bin; // the largest bin used |
65 |
66 int64 m_sumSamples; // the sum of all samples 67 int64 m_sumSquaredSamples; // the sum of the square of all samples |
68 |
69 double getStandardDeviation() const; |
70}; 71 72bool node_less_then_eq(const Histogram* n1, const Histogram* n2); 73 |
74inline std::ostream& 75operator<<(std::ostream& out, const Histogram& obj) |
76{ |
77 obj.print(out); 78 out << std::flush; 79 return out; |
80} 81 |
82#endif // __MEM_RUBY_COMMON_HISTOGRAM_HH__ |