OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef BASE_METRICS_SPARSE_HISTOGRAM_H_ | 5 #ifndef BASE_METRICS_SPARSE_HISTOGRAM_H_ |
6 #define BASE_METRICS_SPARSE_HISTOGRAM_H_ | 6 #define BASE_METRICS_SPARSE_HISTOGRAM_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 | 10 |
(...skipping 10 matching lines...) Expand all Loading... |
21 | 21 |
22 #define UMA_HISTOGRAM_SPARSE_SLOWLY(name, sample) \ | 22 #define UMA_HISTOGRAM_SPARSE_SLOWLY(name, sample) \ |
23 do { \ | 23 do { \ |
24 base::HistogramBase* histogram = base::SparseHistogram::FactoryGet( \ | 24 base::HistogramBase* histogram = base::SparseHistogram::FactoryGet( \ |
25 name, base::HistogramBase::kUmaTargetedHistogramFlag); \ | 25 name, base::HistogramBase::kUmaTargetedHistogramFlag); \ |
26 histogram->Add(sample); \ | 26 histogram->Add(sample); \ |
27 } while (0) | 27 } while (0) |
28 | 28 |
29 class HistogramSamples; | 29 class HistogramSamples; |
30 | 30 |
31 class BASE_EXPORT_PRIVATE SparseHistogram : public HistogramBase { | 31 class BASE_EXPORT SparseHistogram : public HistogramBase { |
32 public: | 32 public: |
33 // If there's one with same name, return the existing one. If not, create a | 33 // If there's one with same name, return the existing one. If not, create a |
34 // new one. | 34 // new one. |
35 static HistogramBase* FactoryGet(const std::string& name, int32 flags); | 35 static HistogramBase* FactoryGet(const std::string& name, int32 flags); |
36 | 36 |
37 ~SparseHistogram() override; | 37 ~SparseHistogram() override; |
38 | 38 |
39 // HistogramBase implementation: | 39 // HistogramBase implementation: |
40 HistogramType GetHistogramType() const override; | 40 HistogramType GetHistogramType() const override; |
41 bool HasConstructionArguments(Sample expected_minimum, | 41 bool HasConstructionArguments(Sample expected_minimum, |
42 Sample expected_maximum, | 42 Sample expected_maximum, |
43 size_t expected_bucket_count) const override; | 43 size_t expected_bucket_count) const override; |
44 void Add(Sample value) override; | 44 void Add(Sample value) override; |
45 void AddCount(Sample value, int count) override; | 45 void AddCount(Sample value, int count) override; |
46 void AddSamples(const HistogramSamples& samples) override; | 46 void AddSamples(const HistogramSamples& samples) override; |
47 bool AddSamplesFromPickle(base::PickleIterator* iter) override; | 47 bool AddSamplesFromPickle(base::PickleIterator* iter) override; |
48 scoped_ptr<HistogramSamples> SnapshotSamples() const override; | 48 scoped_ptr<HistogramSamples> SnapshotSamples() const override; |
49 void WriteHTMLGraph(std::string* output) const override; | 49 void WriteHTMLGraph(std::string* output) const override; |
50 void WriteAscii(std::string* output) const override; | 50 void WriteAscii(std::string* output) const override; |
51 | 51 |
52 protected: | 52 protected: |
53 // HistogramBase implementation: | 53 // HistogramBase implementation: |
54 bool SerializeInfoImpl(base::Pickle* pickle) const override; | 54 bool SerializeInfoImpl(base::Pickle* pickle) const override; |
55 | 55 |
56 private: | 56 private: |
57 // Clients should always use FactoryGet to create SparseHistogram. | 57 // Clients should always use FactoryGet to create SparseHistogram. |
58 explicit SparseHistogram(const std::string& name); | 58 explicit SparseHistogram(const std::string& name); |
59 | 59 |
60 friend BASE_EXPORT_PRIVATE HistogramBase* DeserializeHistogramInfo( | 60 friend BASE_EXPORT HistogramBase* DeserializeHistogramInfo( |
61 base::PickleIterator* iter); | 61 base::PickleIterator* iter); |
62 static HistogramBase* DeserializeInfoImpl(base::PickleIterator* iter); | 62 static HistogramBase* DeserializeInfoImpl(base::PickleIterator* iter); |
63 | 63 |
64 void GetParameters(DictionaryValue* params) const override; | 64 void GetParameters(DictionaryValue* params) const override; |
65 void GetCountAndBucketData(Count* count, | 65 void GetCountAndBucketData(Count* count, |
66 int64* sum, | 66 int64* sum, |
67 ListValue* buckets) const override; | 67 ListValue* buckets) const override; |
68 | 68 |
69 // Helpers for emitting Ascii graphic. Each method appends data to output. | 69 // Helpers for emitting Ascii graphic. Each method appends data to output. |
70 void WriteAsciiImpl(bool graph_it, | 70 void WriteAsciiImpl(bool graph_it, |
(...skipping 11 matching lines...) Expand all Loading... |
82 mutable base::Lock lock_; | 82 mutable base::Lock lock_; |
83 | 83 |
84 SampleMap samples_; | 84 SampleMap samples_; |
85 | 85 |
86 DISALLOW_COPY_AND_ASSIGN(SparseHistogram); | 86 DISALLOW_COPY_AND_ASSIGN(SparseHistogram); |
87 }; | 87 }; |
88 | 88 |
89 } // namespace base | 89 } // namespace base |
90 | 90 |
91 #endif // BASE_METRICS_SPARSE_HISTOGRAM_H_ | 91 #endif // BASE_METRICS_SPARSE_HISTOGRAM_H_ |
OLD | NEW |