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>
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
| 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>
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);
| 43 void add(int64_t 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; }
| 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; }
| 54 int64_t getTotal() const { return m_sumSamples; }
|
55 uint64_t getSquaredTotal() const { return m_sumSquaredSamples; }
56 uint64_t getData(int index) const { return m_data[index]; }
| 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; }
| 57 int64_t 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;
| 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
| 65 int64_t 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
| 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
| 70 int64_t 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__
| 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__
|