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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "components/memory_pressure/memory_pressure_stats_collector.h" | 5 #include "components/memory_pressure/memory_pressure_stats_collector.h" |
6 | 6 |
| 7 #include <stddef.h> |
| 8 #include <stdint.h> |
| 9 |
| 10 #include "base/macros.h" |
7 #include "base/metrics/histogram.h" | 11 #include "base/metrics/histogram.h" |
8 #include "base/time/tick_clock.h" | 12 #include "base/time/tick_clock.h" |
9 | 13 |
10 namespace memory_pressure { | 14 namespace memory_pressure { |
11 | 15 |
12 namespace { | 16 namespace { |
13 | 17 |
14 using MemoryPressureLevel = MemoryPressureListener::MemoryPressureLevel; | 18 using MemoryPressureLevel = MemoryPressureListener::MemoryPressureLevel; |
15 | 19 |
16 // Converts a memory pressure level to an UMA enumeration value. | 20 // Converts a memory pressure level to an UMA enumeration value. |
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145 void MemoryPressureStatsCollector::ReportLevelChange( | 149 void MemoryPressureStatsCollector::ReportLevelChange( |
146 MemoryPressureLevel old_pressure_level, | 150 MemoryPressureLevel old_pressure_level, |
147 MemoryPressureLevel new_pressure_level) { | 151 MemoryPressureLevel new_pressure_level) { |
148 UMA_HISTOGRAM_ENUMERATION("Memory.PressureLevelChange", | 152 UMA_HISTOGRAM_ENUMERATION("Memory.PressureLevelChange", |
149 MemoryPressureLevelChangeToUmaEnumValue( | 153 MemoryPressureLevelChangeToUmaEnumValue( |
150 old_pressure_level, new_pressure_level), | 154 old_pressure_level, new_pressure_level), |
151 UMA_MEMORY_PRESSURE_LEVEL_CHANGE_COUNT); | 155 UMA_MEMORY_PRESSURE_LEVEL_CHANGE_COUNT); |
152 } | 156 } |
153 | 157 |
154 } // namespace memory_pressure | 158 } // namespace memory_pressure |
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