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; 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 29#ifndef __MEM_RUBY_COMMON_HISTOGRAM_HH__ 30#define __MEM_RUBY_COMMON_HISTOGRAM_HH__ 31 32#include <iostream>
| 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; 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 29#ifndef __MEM_RUBY_COMMON_HISTOGRAM_HH__ 30#define __MEM_RUBY_COMMON_HISTOGRAM_HH__ 31 32#include <iostream>
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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:
| 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:
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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__
| 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__
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