chrome power profiler chrome side changes

content/browser/power_profiler/Intel/power_data_provider_ia_win.cc

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/logging.h"
+#include "content/browser/power_profiler/Intel/power_data_provider_ia.h"
+
+namespace content {
+
+bool PowerDataProviderIA::GetData(PowerEvent* data) {
+  if (!energy_lib_.ReadSample())
+    return false;
+
+  // get SoC package power
+  double package_power = 0.0;
+  double power[3];
+  int nData;
+  for (int i = 0; i < sockets_number_; i++) {
+    if (power_msr_ids_[PowerEvent::SOC_PACKAGE] == -1)
+      break;
+
+    bool code = energy_lib_.GetPowerData(i,
+        power_msr_ids_[PowerEvent::SOC_PACKAGE], power, &nData);
+    package_power += power[0];
+  }
+
+  data->type = PowerEvent::SOC_PACKAGE;
+  data->value = package_power;
+  data->time = base::TimeTicks::Now();
+
+  return true;
+}
+
+bool PowerDataProviderIA::Initialize() {
+  if (is_open_)
+    return true;
+
+  if (!energy_lib_.IntelEnergyLibInitialize()) {
+    LOG(ERROR) << "Power Data Provider initialize failed!\r\n";
+    return false;
+  }
+  energy_lib_.GetNumNodes(&sockets_number_);
+
+  const std::wstring package_msr_name_ = L"Processor";
+
+  int msr_number;
+  energy_lib_.GetNumMsrs(&msr_number);
+
+  int funcID;
+  wchar_t szName[32];
+  for(int i = 0; i < msr_number; i++) {
+    energy_lib_.GetMsrFunc(i, &funcID);
+    energy_lib_.GetMsrName(i, szName);
+
+    if (funcID != 1)
+      continue;
+
+    if (package_msr_name_.compare(szName) == 0)
+      power_msr_ids_[PowerEvent::SOC_PACKAGE] = i;
+  }
+
+  is_open_ = true;
+  return true;
+}
+
+}  // namespace content