xbmc/platform/android/CPUInfoAndroid.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "CPUInfoAndroid.h"
  10
  11 #include "URL.h"
  12 #include "utils/StringUtils.h"
  13 #include "utils/Temperature.h"
  14
  15 #include "platform/android/activity/AndroidFeatures.h"
  16
  17 #include <array>
  18
  19 std::shared_ptr<CCPUInfo> CCPUInfo::GetCPUInfo()
  20 {
  21   return std::make_shared<CCPUInfoAndroid>();
  22 }
  23
  24 CCPUInfoAndroid::CCPUInfoAndroid()
  25 {
  26   m_posixFile = std::make_unique<CPosixFile>();
  27
  28   if (m_posixFile && m_posixFile->Open(CURL("/proc/cpuinfo")))
  29   {
  30     std::array<char, 2048> buffer = {};
  31
  32     if (0 < m_posixFile->Read(buffer.data(), buffer.size()))
  33     {
  34       for (const auto& line : StringUtils::Split(buffer.data(), '\n'))
  35       {
  36         if (line.find("vendor_id") != std::string::npos)
  37           m_cpuVendor = line.substr(line.find(':') + 2);
  38
  39         else if (line.find("model name") != std::string::npos)
  40           m_cpuModel = line.substr(line.find(':') + 2);
  41
  42         else if (line.find("BogoMIPS") != std::string::npos)
  43           m_cpuBogoMips = line.substr(line.find(':') + 2);
  44
  45         else if (line.find("Hardware") != std::string::npos)
  46           m_cpuHardware = line.substr(line.find(':') + 2);
  47
  48         else if (line.find("Serial") != std::string::npos)
  49           m_cpuSerial = line.substr(line.find(':') + 2);
  50
  51         else if (line.find("Revision") != std::string::npos)
  52           m_cpuRevision = line.substr(line.find(':') + 2);
  53       }
  54     }
  55
  56     m_posixFile->Close();
  57   }
  58
  59   m_cpuCount = CAndroidFeatures::GetCPUCount();
  60
  61   for (int i = 0; i < m_cpuCount; i++)
  62   {
  63     CoreInfo core;
  64     core.m_id = i;
  65     m_cores.emplace_back(core);
  66   }
  67
  68   if (CAndroidFeatures::HasNeon())
  69     m_cpuFeatures |= CPU_FEATURE_NEON;
  70 }
  71
  72 float CCPUInfoAndroid::GetCPUFrequency()
  73 {
  74   float freq = 0.f;
  75
  76   if (!m_posixFile)
  77     return freq;
  78
  79   if (m_posixFile->Open(CURL("/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq")))
  80   {
  81     std::array<char, 32> buffer = {};
  82
  83     if (0 < m_posixFile->Read(buffer.data(), buffer.size()))
  84       freq = std::atof(buffer.data()) / 1000;
  85
  86     m_posixFile->Close();
  87   }
  88
  89   return freq;
  90 }