xbmc/platform/win10/CPUInfoWin10.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 "CPUInfoWin10.h"
  10
  11 #include "ServiceBroker.h"
  12 #include "settings/AdvancedSettings.h"
  13 #include "settings/SettingsComponent.h"
  14 #include "utils/StringUtils.h"
  15 #include "utils/Temperature.h"
  16
  17 #include <winrt/Windows.Foundation.Metadata.h>
  18 #include <winrt/Windows.System.Diagnostics.h>
  19
  20 namespace
  21 {
  22 const unsigned int CPUINFO_EAX{0};
  23 const unsigned int CPUINFO_EBX{1};
  24 const unsigned int CPUINFO_ECX{2};
  25 const unsigned int CPUINFO_EDX{3};
  26 } // namespace
  27
  28 std::shared_ptr<CCPUInfo> CCPUInfo::GetCPUInfo()
  29 {
  30   return std::make_shared<CCPUInfoWin10>();
  31 }
  32
  33 CCPUInfoWin10::CCPUInfoWin10()
  34 {
  35   SYSTEM_INFO siSysInfo;
  36   GetNativeSystemInfo(&siSysInfo);
  37   m_cpuCount = siSysInfo.dwNumberOfProcessors;
  38   m_cpuModel = "Unknown";
  39
  40   int CPUInfo[4] = {}; // receives EAX, EBX, ECD and EDX in that order
  41
  42 #ifndef _M_ARM
  43   __cpuid(CPUInfo, 0);
  44   int MaxStdInfoType = CPUInfo[0];
  45
  46   if (MaxStdInfoType >= CPUID_INFOTYPE_STANDARD)
  47   {
  48     __cpuid(CPUInfo, CPUID_INFOTYPE_STANDARD);
  49     if (CPUInfo[CPUINFO_EDX] & CPUID_00000001_EDX_MMX)
  50       m_cpuFeatures |= CPU_FEATURE_MMX;
  51     if (CPUInfo[CPUINFO_EDX] & CPUID_00000001_EDX_SSE)
  52       m_cpuFeatures |= CPU_FEATURE_SSE;
  53     if (CPUInfo[CPUINFO_EDX] & CPUID_00000001_EDX_SSE2)
  54       m_cpuFeatures |= CPU_FEATURE_SSE2;
  55     if (CPUInfo[CPUINFO_ECX] & CPUID_00000001_ECX_SSE3)
  56       m_cpuFeatures |= CPU_FEATURE_SSE3;
  57     if (CPUInfo[CPUINFO_ECX] & CPUID_00000001_ECX_SSSE3)
  58       m_cpuFeatures |= CPU_FEATURE_SSSE3;
  59     if (CPUInfo[CPUINFO_ECX] & CPUID_00000001_ECX_SSE4)
  60       m_cpuFeatures |= CPU_FEATURE_SSE4;
  61     if (CPUInfo[CPUINFO_ECX] & CPUID_00000001_ECX_SSE42)
  62       m_cpuFeatures |= CPU_FEATURE_SSE42;
  63   }
  64
  65   __cpuid(CPUInfo, 0x80000000);
  66   int MaxExtInfoType = CPUInfo[0];
  67
  68   if (MaxExtInfoType >= CPUID_INFOTYPE_EXTENDED)
  69   {
  70     __cpuid(CPUInfo, CPUID_INFOTYPE_EXTENDED);
  71
  72     if (CPUInfo[CPUINFO_EDX] & CPUID_80000001_EDX_MMX)
  73       m_cpuFeatures |= CPU_FEATURE_MMX;
  74     if (CPUInfo[CPUINFO_EDX] & CPUID_80000001_EDX_MMX2)
  75       m_cpuFeatures |= CPU_FEATURE_MMX2;
  76     if (CPUInfo[CPUINFO_EDX] & CPUID_80000001_EDX_3DNOW)
  77       m_cpuFeatures |= CPU_FEATURE_3DNOW;
  78     if (CPUInfo[CPUINFO_EDX] & CPUID_80000001_EDX_3DNOWEXT)
  79       m_cpuFeatures |= CPU_FEATURE_3DNOWEXT;
  80   }
  81 #endif
  82
  83   // Set MMX2 when SSE is present as SSE is a superset of MMX2 and Intel doesn't set the MMX2 cap
  84   if (m_cpuFeatures & CPU_FEATURE_SSE)
  85     m_cpuFeatures |= CPU_FEATURE_MMX2;
  86 }
  87
  88 int CCPUInfoWin10::GetUsedPercentage()
  89 {
  90   if (!m_nextUsedReadTime.IsTimePast())
  91     return m_lastUsedPercentage;
  92
  93   if (!winrt::Windows::Foundation::Metadata::ApiInformation::IsTypePresent(
  94           L"Windows.System.Diagnostics.SystemDiagnosticInfo"))
  95   {
  96     return 0;
  97   }
  98
  99   auto diagnostic =
 100       winrt::Windows::System::Diagnostics::SystemDiagnosticInfo::GetForCurrentSystem();
 101   auto usage = diagnostic.CpuUsage();
 102   auto report = usage.GetReport();
 103
 104   auto user = report.UserTime().count();
 105   auto idle = report.IdleTime().count();
 106   auto system = report.KernelTime().count() - idle;
 107
 108   auto activeTime = (user + system) - m_activeTime;
 109   auto idleTime = idle - m_idleTime;
 110   auto totalTime = (user + idle + system) - m_totalTime;
 111
 112   m_activeTime += activeTime;
 113   m_idleTime += idleTime;
 114   m_totalTime += totalTime;
 115
 116   m_lastUsedPercentage = activeTime * 100.0f / totalTime;
 117   m_nextUsedReadTime.Set(MINIMUM_TIME_BETWEEN_READS);
 118
 119   return static_cast<int>(m_lastUsedPercentage);
 120 }
 121
 122 bool CCPUInfoWin10::GetTemperature(CTemperature& temperature)
 123 {
 124   temperature.SetValid(false);
 125   return false;
 126 }