process_metrics.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7
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 3// found in the LICENSE file. 4 5#include "base/process/process_metrics.h" 6 7#include "base/logging.h" 8#include "base/values.h" 9 10namespace base { 11 12SystemMetrics::SystemMetrics() { 13 committed_memory_ = 0; 14} 15 16SystemMetrics SystemMetrics::Sample() { 17 SystemMetrics system_metrics; 18 19 system_metrics.committed_memory_ = GetSystemCommitCharge(); 20#if defined(OS_LINUX) || defined(OS_ANDROID) 21 GetSystemMemoryInfo(&system_metrics.memory_info_); 22 GetSystemDiskInfo(&system_metrics.disk_info_); 23#endif 24#if defined(OS_CHROMEOS) 25 GetSwapInfo(&system_metrics.swap_info_); 26#endif 27 28 return system_metrics; 29} 30 31scoped_ptr<Value> SystemMetrics::ToValue() const { 32 scoped_ptr<DictionaryValue> res(new DictionaryValue()); 33 34 res->SetInteger("committed_memory", static_cast<int>(committed_memory_)); 35#if defined(OS_LINUX) || defined(OS_ANDROID) 36 res->Set("meminfo", memory_info_.ToValue().release()); 37 res->Set("diskinfo", disk_info_.ToValue().release()); 38#endif 39#if defined(OS_CHROMEOS) 40 res->Set("swapinfo", swap_info_.ToValue().release()); 41#endif 42 43 return res.PassAs<Value>(); 44} 45 46double ProcessMetrics::GetPlatformIndependentCPUUsage() { 47#if defined(OS_WIN) 48 return GetCPUUsage() * processor_count_; 49#else 50 return GetCPUUsage(); 51#endif 52} 53 54#if !defined(OS_MACOSX) 55int ProcessMetrics::GetIdleWakeupsPerSecond() { 56 NOTIMPLEMENTED(); // http://crbug.com/20488 57 return 0; 58} 59#endif // !defined(OS_MACOSX) 60 61} // namespace base 62