private double?GetMachineCpuMacOS()
{
double?machineCpu = null;
var buffer = new CpuLoadInfo();
// Initialize the CPU load info
if (m_lastCpuLoadInfo.SystemTime == 0 && m_lastCpuLoadInfo.UserTime == 0 && m_lastCpuLoadInfo.IdleTime == 0)
{
GetCpuLoadInfo(ref buffer);
m_lastCpuLoadInfo = buffer;
}
buffer = new CpuLoadInfo();
if (GetCpuLoadInfo(ref buffer) == MACOS_INTEROP_SUCCESS)
{
double systemTicks = buffer.SystemTime - m_lastCpuLoadInfo.SystemTime;
double userTicks = buffer.UserTime - m_lastCpuLoadInfo.UserTime;
double idleTicks = buffer.IdleTime - m_lastCpuLoadInfo.IdleTime;
double totalTicks = systemTicks + userTicks + idleTicks;
machineCpu = 100.0 * ((systemTicks + userTicks) / totalTicks);
}
m_lastCpuLoadInfo = buffer;
return(machineCpu);
}
/// <summary>Linux specific implementation of <see cref="Processor.GetCpuLoadInfo"/> </summary>
internal static int GetCpuLoadInfo(ref CpuLoadInfo buffer, long bufferSize)
{
if (!File.Exists(ProcStatPath))
{
return(ERROR);
}
var firstLine = File.ReadAllLines(ProcStatPath).FirstOrDefault();
if (string.IsNullOrEmpty(firstLine))
{
return(ERROR);
}
var splits = firstLine.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).ToArray();
return(ulong.TryParse(splits[1], out buffer.UserTime) &&
ulong.TryParse(splits[3], out buffer.SystemTime) &&
ulong.TryParse(splits[4], out buffer.IdleTime)
? 0
: ERROR);
}
/// <summary>
/// Linux specific implementation of <see cref="Processor.GetCpuLoadInfo"/>
/// </summary>
internal static int GetCpuLoadInfo(ref CpuLoadInfo buffer, long bufferSize)
{
try
{
var firstLine = File.ReadAllLines($"{ProcPath}{ProcStatPath}").FirstOrDefault();
if (string.IsNullOrEmpty(firstLine))
{
return(ERROR);
}
var splits = firstLine.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).ToArray();
return(ulong.TryParse(splits[1], out buffer.UserTime) &&
ulong.TryParse(splits[3], out buffer.SystemTime) &&
ulong.TryParse(splits[4], out buffer.IdleTime)
? 0
: ERROR);
}
#pragma warning disable
catch (Exception)
{
return(ERROR);
}
#pragma warning restore
}
#pragma warning restore CS1591 // Missing XML comment for publicly visible type or member
/// <summary>
/// Returns the current CPU load info accross all CPU cores to the caller
/// </summary>
/// <param name="buffer">A CpuLoadInfo struct to hold the timing inforamtion of the current host CPU</param>
public static int GetCpuLoadInfo(ref CpuLoadInfo buffer) => IsMacOS
? Impl_Mac.GetCpuLoadInfo(ref buffer, Marshal.SizeOf(buffer))
: Impl_Linux.GetCpuLoadInfo(ref buffer, Marshal.SizeOf(buffer));
internal static extern int GetCpuLoadInfo(ref CpuLoadInfo buffer, long bufferSize);
/// <summary>
/// Returns the current CPU load info accross all CPU cores to the caller
/// </summary>
/// <param name="buffer">A CpuLoadInfo struct to hold the timing inforamtion of the current host CPU</param>
public static int GetCpuLoadInfo(ref CpuLoadInfo buffer)
=> GetCpuLoadInfo(ref buffer, Marshal.SizeOf(buffer));
