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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 #include "base/metrics/histogram_base.h" | 5 #include "base/metrics/histogram_base.h" |
6 | 6 |
7 #include <climits> | 7 #include <climits> |
| 8 #include <utility> |
8 | 9 |
9 #include "base/json/json_string_value_serializer.h" | 10 #include "base/json/json_string_value_serializer.h" |
10 #include "base/logging.h" | 11 #include "base/logging.h" |
11 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
12 #include "base/metrics/histogram.h" | 13 #include "base/metrics/histogram.h" |
13 #include "base/metrics/histogram_samples.h" | 14 #include "base/metrics/histogram_samples.h" |
14 #include "base/metrics/sparse_histogram.h" | 15 #include "base/metrics/sparse_histogram.h" |
15 #include "base/metrics/statistics_recorder.h" | 16 #include "base/metrics/statistics_recorder.h" |
16 #include "base/pickle.h" | 17 #include "base/pickle.h" |
17 #include "base/process/process_handle.h" | 18 #include "base/process/process_handle.h" |
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107 GetCountAndBucketData(&count, &sum, buckets.get()); | 108 GetCountAndBucketData(&count, &sum, buckets.get()); |
108 scoped_ptr<DictionaryValue> parameters(new DictionaryValue()); | 109 scoped_ptr<DictionaryValue> parameters(new DictionaryValue()); |
109 GetParameters(parameters.get()); | 110 GetParameters(parameters.get()); |
110 | 111 |
111 JSONStringValueSerializer serializer(output); | 112 JSONStringValueSerializer serializer(output); |
112 DictionaryValue root; | 113 DictionaryValue root; |
113 root.SetString("name", histogram_name()); | 114 root.SetString("name", histogram_name()); |
114 root.SetInteger("count", count); | 115 root.SetInteger("count", count); |
115 root.SetDouble("sum", static_cast<double>(sum)); | 116 root.SetDouble("sum", static_cast<double>(sum)); |
116 root.SetInteger("flags", flags()); | 117 root.SetInteger("flags", flags()); |
117 root.Set("params", parameters.Pass()); | 118 root.Set("params", std::move(parameters)); |
118 root.Set("buckets", buckets.Pass()); | 119 root.Set("buckets", std::move(buckets)); |
119 root.SetInteger("pid", GetCurrentProcId()); | 120 root.SetInteger("pid", GetCurrentProcId()); |
120 serializer.Serialize(root); | 121 serializer.Serialize(root); |
121 } | 122 } |
122 | 123 |
123 void HistogramBase::FindAndRunCallback(HistogramBase::Sample sample) const { | 124 void HistogramBase::FindAndRunCallback(HistogramBase::Sample sample) const { |
124 if ((flags() & kCallbackExists) == 0) | 125 if ((flags() & kCallbackExists) == 0) |
125 return; | 126 return; |
126 | 127 |
127 StatisticsRecorder::OnSampleCallback cb = | 128 StatisticsRecorder::OnSampleCallback cb = |
128 StatisticsRecorder::FindCallback(histogram_name()); | 129 StatisticsRecorder::FindCallback(histogram_name()); |
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155 return result; | 156 return result; |
156 } | 157 } |
157 | 158 |
158 void HistogramBase::WriteAsciiBucketValue(Count current, | 159 void HistogramBase::WriteAsciiBucketValue(Count current, |
159 double scaled_sum, | 160 double scaled_sum, |
160 std::string* output) const { | 161 std::string* output) const { |
161 StringAppendF(output, " (%d = %3.1f%%)", current, current/scaled_sum); | 162 StringAppendF(output, " (%d = %3.1f%%)", current, current/scaled_sum); |
162 } | 163 } |
163 | 164 |
164 } // namespace base | 165 } // namespace base |
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