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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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/memory/memory_pressure_monitor_chromeos.h" | 5 #include "base/memory/memory_pressure_monitor_chromeos.h" |
6 | 6 |
7 #include <fcntl.h> | 7 #include <fcntl.h> |
8 #include <sys/select.h> | 8 #include <sys/select.h> |
9 | 9 |
10 #include "base/metrics/histogram_macros.h" | 10 #include "base/metrics/histogram_macros.h" |
11 #include "base/posix/eintr_wrapper.h" | 11 #include "base/posix/eintr_wrapper.h" |
12 #include "base/process/process_metrics.h" | 12 #include "base/process/process_metrics.h" |
13 #include "base/single_thread_task_runner.h" | 13 #include "base/single_thread_task_runner.h" |
14 #include "base/sys_info.h" | 14 #include "base/sys_info.h" |
15 #include "base/thread_task_runner_handle.h" | 15 #include "base/threading/thread_task_runner_handle.h" |
16 #include "base/time/time.h" | 16 #include "base/time/time.h" |
17 | 17 |
18 namespace base { | 18 namespace base { |
19 namespace chromeos { | 19 namespace chromeos { |
20 | 20 |
21 namespace { | 21 namespace { |
22 | 22 |
23 // The time between memory pressure checks. While under critical pressure, this | 23 // The time between memory pressure checks. While under critical pressure, this |
24 // is also the timer to repeat cleanup attempts. | 24 // is also the timer to repeat cleanup attempts. |
25 const int kMemoryPressureIntervalMs = 1000; | 25 const int kMemoryPressureIntervalMs = 1000; |
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266 int available_memory = | 266 int available_memory = |
267 info.free + info.swap_free / kSwapWeight + file_memory; | 267 info.free + info.swap_free / kSwapWeight + file_memory; |
268 | 268 |
269 DCHECK(available_memory < total_memory); | 269 DCHECK(available_memory < total_memory); |
270 int percentage = ((total_memory - available_memory) * 100) / total_memory; | 270 int percentage = ((total_memory - available_memory) * 100) / total_memory; |
271 return percentage; | 271 return percentage; |
272 } | 272 } |
273 | 273 |
274 } // namespace chromeos | 274 } // namespace chromeos |
275 } // namespace base | 275 } // namespace base |
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