1 /**
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #ifndef PANDA_RUNTIME_HISTOGRAM_INL_H_
17 #define PANDA_RUNTIME_HISTOGRAM_INL_H_
18
19 #include "histogram.h"
20 #include "mem/panda_containers.h"
21 #include "mem/panda_string.h"
22
23 namespace panda {
24
25 template <class Value>
26 template <class ForwardIterator>
SimpleHistogram(ForwardIterator start,ForwardIterator finish,helpers::ValueType type_of_value)27 SimpleHistogram<Value>::SimpleHistogram(ForwardIterator start, ForwardIterator finish, helpers::ValueType type_of_value)
28 : type_of_value_(type_of_value)
29 {
30 for (auto it = start; it != finish; ++it) {
31 AddValue(*it);
32 }
33 }
34
35 template <class Value>
GetGeneralStatistic()36 PandaString SimpleHistogram<Value>::GetGeneralStatistic() const
37 {
38 PandaStringStream statistic;
39 statistic << "Sum: " << helpers::ValueConverter(sum_, type_of_value_) << " ";
40 statistic << "Avg: " << helpers::ValueConverter(GetAvg(), type_of_value_) << " ";
41 statistic << "Max: " << helpers::ValueConverter(max_, type_of_value_);
42 return statistic.str();
43 }
44
45 template <class Value>
AddValue(const Value & element,size_t number)46 void SimpleHistogram<Value>::AddValue(const Value &element, size_t number)
47 {
48 sum_ += element * number;
49 sum_of_squares_ += element * element * number;
50 if (count_ == 0) {
51 min_ = element;
52 max_ = element;
53 } else {
54 min_ = std::min(min_, element);
55 max_ = std::max(max_, element);
56 }
57 count_ += number;
58 }
59
60 template <class Value>
61 template <class ForwardIterator>
Histogram(ForwardIterator start,ForwardIterator finish,helpers::ValueType type_of_value)62 Histogram<Value>::Histogram(ForwardIterator start, ForwardIterator finish, helpers::ValueType type_of_value)
63 : SimpleHistogram<Value>(type_of_value)
64 {
65 for (auto it = start; it != finish; ++it) {
66 AddValue(*it);
67 }
68 }
69
70 template <class Value>
GetTopDump(size_t count_top)71 PandaString Histogram<Value>::GetTopDump(size_t count_top) const
72 {
73 PandaStringStream statistic;
74 bool first = true;
75 for (auto it : frequency_) {
76 if (count_top-- == 0) {
77 break;
78 }
79 if (!first) {
80 statistic << ",";
81 }
82 statistic << it.first << ":" << it.second;
83 first = false;
84 }
85 return statistic.str();
86 }
87
88 template <class Value>
AddValue(const Value & element,size_t number)89 void Histogram<Value>::AddValue(const Value &element, size_t number)
90 {
91 frequency_[element] += number;
92 SimpleHistogram<Value>::AddValue(element, number);
93 }
94
95 } // namespace panda
96
97 #endif // PANDA_RUNTIME_HISTOGRAM_INL_H_
98