base/process/process_metrics.cc

   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/values.h"
   8
   9 namespace base {
  10
  11 SystemMetrics::SystemMetrics() {
  12   committed_memory_ = 0;
  13 }
  14
  15 SystemMetrics SystemMetrics::Sample() {
  16   SystemMetrics system_metrics;
  17
  18   system_metrics.committed_memory_ = GetSystemCommitCharge();
  19 #if defined(OS_LINUX) || defined(OS_ANDROID)
  20   GetSystemMemoryInfo(&system_metrics.memory_info_);
  21   GetSystemDiskInfo(&system_metrics.disk_info_);
  22 #endif
  23 #if defined(OS_CHROMEOS)
  24   GetSwapInfo(&system_metrics.swap_info_);
  25 #endif
  26
  27   return system_metrics;
  28 }
  29
  30 scoped_ptr<Value> SystemMetrics::ToValue() const {
  31   scoped_ptr<DictionaryValue> res(new DictionaryValue());
  32
  33   res->SetInteger("committed_memory", static_cast<int>(committed_memory_));
  34 #if defined(OS_LINUX) || defined(OS_ANDROID)
  35   res->Set("meminfo", memory_info_.ToValue().release());
  36   res->Set("diskinfo", disk_info_.ToValue().release());
  37 #endif
  38 #if defined(OS_CHROMEOS)
  39   res->Set("swapinfo", swap_info_.ToValue().release());
  40 #endif
  41
  42   return res.PassAs<Value>();
  43 }
  44
  45 }  // namespace base