/// <summary>
/// Gathers lots of information about the running processor.
/// Currently does NOT support multi-processor setups (e.g. two Intel Xeon CPUs).
/// For detailed information about the information provided please see the readme.
/// </summary>
/// <param name="skipClockspeedTest">
/// Default true. If false it will run a quick speed test of all cores to determine
/// maximum frequency.
/// </param>
/// <returns></returns>
public static MachineInformation GatherInformation(bool skipClockspeedTest = true)
{
if (information != null && lastSkipClockspeedTest == skipClockspeedTest)
{
return(information);
}
if (RuntimeInformation.ProcessArchitecture == Architecture.X86 ||
RuntimeInformation.ProcessArchitecture == Architecture.X64)
{
Opcode.Open();
AppDomain.CurrentDomain.DomainUnload += (sender, args) => { Opcode.Close(); };
}
lastSkipClockspeedTest = skipClockspeedTest;
information = new MachineInformation();
GetCommonCpuInformation();
GatherCommonPerCoreInformation();
foreach (var informationProvider in InformationProviders)
{
try
{
if (informationProvider.Available(information))
{
informationProvider.GatherInformation(ref information);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
}
}
foreach (var cpuCore in information.Cpu.Cores)
{
cpuCore.NormalClockSpeed = information.Cpu.NormalClockSpeed;
cpuCore.MaxClockSpeed = information.Cpu.MaxClockSpeed;
}
foreach (var informationProvider in InformationProviders)
{
try
{
if (informationProvider.Available(information))
{
informationProvider.PostProviderUpdateInformation(ref information);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
}
}
if (!skipClockspeedTest && (RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ||
RuntimeInformation.IsOSPlatform(OSPlatform.Linux)))
{
GetCoreSpeeds();
}
// Fix some things that may be propagated from lower-level information providers
if (information.Cpu != null)
{
if (information.Cpu.Name != null)
{
information.Cpu.Name = information.Cpu.Name.Trim();
}
if (information.Cpu.Caption != null)
{
information.Cpu.Caption = information.Cpu.Caption.Trim();
}
}
return(information);
}
// TODO: Tests
private static void GetCommonCpuInformation()
{
information.OperatingSystem = Environment.OSVersion;
information.Platform = RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
? MachineInformation.Platforms.Windows
: RuntimeInformation.IsOSPlatform(OSPlatform.Linux)
? MachineInformation.Platforms.Linux
: RuntimeInformation.IsOSPlatform(OSPlatform.OSX)
? MachineInformation.Platforms.OSX
: MachineInformation.Platforms.Unknown;
information.Cpu.LogicalCores = (uint)Environment.ProcessorCount;
information.Cpu.LogicalCoresPerNode = information.Cpu.LogicalCores;
information.Cpu.Nodes = 1;
information.Cpu.Architecture = RuntimeInformation.ProcessArchitecture.ToString();
information.Cpu.Caption = Environment.GetEnvironmentVariable("PROCESSOR_IDENTIFIER") ?? default;
information.Cpu.Name = information.Cpu.Caption;
for (var i = 0; i < information.Cpu.LogicalCores; i++)
{
information.Cpu.Cores.Add(new Core
{
Number = (uint)i
});
}
if (RuntimeInformation.ProcessArchitecture != Architecture.X86 &&
RuntimeInformation.ProcessArchitecture != Architecture.X64)
{
return;
}
Opcode.Cpuid(out var result, 0, 0);
var vendorString = string.Format("{0}{1}{2}",
string.Join("", $"{result.ebx:X}".HexStringToString().Reverse()),
string.Join("", $"{result.edx:X}".HexStringToString().Reverse()),
string.Join("", $"{result.ecx:X}".HexStringToString().Reverse()));
information.Cpu.Vendor = vendorString;
information.Cpu.MaxCpuIdFeatureLevel = result.eax;
if (information.Cpu.MaxCpuIdFeatureLevel >= 1)
{
Opcode.Cpuid(out result, 1, 0);
information.Cpu.Stepping = result.eax & 0xF;
var familyId = (result.eax & 0xF00) >> 8;
if (familyId == 6 || familyId == 15)
{
information.Cpu.Model = (((result.eax & 0xF0000) >> 16) << 4) + ((result.eax & 0xF0) >> 4);
}
else
{
information.Cpu.Model = (result.eax & 0xF0) >> 4;
}
if (familyId == 15)
{
information.Cpu.Family = ((result.eax & 0xFF00000) >> 20) + familyId;
}
else
{
information.Cpu.Family = familyId;
}
information.Cpu.Type =
(CPU.ProcessorType)((result.eax & 0b11000000000000) >> 12);
information.Cpu.FeatureFlagsOne = (CPU.FeatureFlagEDX)result.edx;
information.Cpu.FeatureFlagsTwo = (CPU.FeatureFlagECX)result.ecx;
}
if (information.Cpu.MaxCpuIdFeatureLevel >= 7)
{
Opcode.Cpuid(out result, 7, 0);
information.Cpu.ExtendedFeatureFlagsF7One =
(CPU.ExtendedFeatureFlagsF7EBX)result.ebx;
information.Cpu.ExtendedFeatureFlagsF7Two =
(CPU.ExtendedFeatureFlagsF7ECX)result.ecx;
information.Cpu.ExtendedFeatureFlagsF7Three =
(CPU.ExtendedFeatureFlagsF7EDX)result.edx;
}
Opcode.Cpuid(out result, 0x80000000, 0);
information.Cpu.MaxCpuIdExtendedFeatureLevel = result.eax;
}
