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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/process/process_metrics.h" | 5 #include "base/process/process_metrics.h" |
| 6 | 6 |
| 7 #include <utility> | 7 #include <utility> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/values.h" | 10 #include "base/values.h" |
| 11 #include "build/build_config.h" |
| 11 | 12 |
| 12 namespace base { | 13 namespace base { |
| 13 | 14 |
| 14 SystemMetrics::SystemMetrics() { | 15 SystemMetrics::SystemMetrics() { |
| 15 committed_memory_ = 0; | 16 committed_memory_ = 0; |
| 16 } | 17 } |
| 17 | 18 |
| 18 SystemMetrics SystemMetrics::Sample() { | 19 SystemMetrics SystemMetrics::Sample() { |
| 19 SystemMetrics system_metrics; | 20 SystemMetrics system_metrics; |
| 20 | 21 |
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| 56 double ProcessMetrics::GetPlatformIndependentCPUUsage() { | 57 double ProcessMetrics::GetPlatformIndependentCPUUsage() { |
| 57 #if defined(OS_WIN) | 58 #if defined(OS_WIN) |
| 58 return GetCPUUsage() * processor_count_; | 59 return GetCPUUsage() * processor_count_; |
| 59 #else | 60 #else |
| 60 return GetCPUUsage(); | 61 return GetCPUUsage(); |
| 61 #endif | 62 #endif |
| 62 } | 63 } |
| 63 | 64 |
| 64 #if defined(OS_MACOSX) || defined(OS_LINUX) | 65 #if defined(OS_MACOSX) || defined(OS_LINUX) |
| 65 int ProcessMetrics::CalculateIdleWakeupsPerSecond( | 66 int ProcessMetrics::CalculateIdleWakeupsPerSecond( |
| 66 uint64 absolute_idle_wakeups) { | 67 uint64_t absolute_idle_wakeups) { |
| 67 TimeTicks time = TimeTicks::Now(); | 68 TimeTicks time = TimeTicks::Now(); |
| 68 | 69 |
| 69 if (last_absolute_idle_wakeups_ == 0) { | 70 if (last_absolute_idle_wakeups_ == 0) { |
| 70 // First call, just set the last values. | 71 // First call, just set the last values. |
| 71 last_idle_wakeups_time_ = time; | 72 last_idle_wakeups_time_ = time; |
| 72 last_absolute_idle_wakeups_ = absolute_idle_wakeups; | 73 last_absolute_idle_wakeups_ = absolute_idle_wakeups; |
| 73 return 0; | 74 return 0; |
| 74 } | 75 } |
| 75 | 76 |
| 76 int64 wakeups_delta = absolute_idle_wakeups - last_absolute_idle_wakeups_; | 77 int64_t wakeups_delta = absolute_idle_wakeups - last_absolute_idle_wakeups_; |
| 77 int64 time_delta = (time - last_idle_wakeups_time_).InMicroseconds(); | 78 int64_t time_delta = (time - last_idle_wakeups_time_).InMicroseconds(); |
| 78 if (time_delta == 0) { | 79 if (time_delta == 0) { |
| 79 NOTREACHED(); | 80 NOTREACHED(); |
| 80 return 0; | 81 return 0; |
| 81 } | 82 } |
| 82 | 83 |
| 83 last_idle_wakeups_time_ = time; | 84 last_idle_wakeups_time_ = time; |
| 84 last_absolute_idle_wakeups_ = absolute_idle_wakeups; | 85 last_absolute_idle_wakeups_ = absolute_idle_wakeups; |
| 85 | 86 |
| 86 // Round to average wakeups per second. | 87 // Round to average wakeups per second. |
| 87 int64 wakeups_delta_for_ms = wakeups_delta * Time::kMicrosecondsPerSecond; | 88 int64_t wakeups_delta_for_ms = wakeups_delta * Time::kMicrosecondsPerSecond; |
| 88 return (wakeups_delta_for_ms + time_delta / 2) / time_delta; | 89 return (wakeups_delta_for_ms + time_delta / 2) / time_delta; |
| 89 } | 90 } |
| 90 #else | 91 #else |
| 91 int ProcessMetrics::GetIdleWakeupsPerSecond() { | 92 int ProcessMetrics::GetIdleWakeupsPerSecond() { |
| 92 NOTIMPLEMENTED(); // http://crbug.com/120488 | 93 NOTIMPLEMENTED(); // http://crbug.com/120488 |
| 93 return 0; | 94 return 0; |
| 94 } | 95 } |
| 95 #endif // defined(OS_MACOSX) || defined(OS_LINUX) | 96 #endif // defined(OS_MACOSX) || defined(OS_LINUX) |
| 96 | 97 |
| 97 } // namespace base | 98 } // namespace base |
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