public void Show_Raw_Process_Usage()
{
if (CrossInfo.ThePlatform == CrossInfo.Platform.Windows)
{
Console.WriteLine($"LinuxResourceUsageReader is not supported on platform {CrossInfo.ThePlatform}");
return;
}
var resources = LinuxResourceUsageInterop.GetRawUsageResources(LinuxResourceUsageInterop.RUSAGE_SELF);
Console.WriteLine($"GetRawUsageResources(RUSAGE_SELF):{Environment.NewLine}{AsString(resources)}");
}
private static unsafe CpuUsage?GetLinuxCpuUsageByScope(int scope)
{
if (IntPtr.Size == 4)
{
int *rawResourceUsage = stackalloc int[RESOURCE_USAGE_FIELDS_COUNT];
int result = LinuxResourceUsageInterop.getrusage_heapless(scope, new IntPtr(rawResourceUsage));
if (result != 0)
{
return(null);
}
return(new CpuUsage()
{
UserUsage = new TimeValue()
{
Seconds = *rawResourceUsage, MicroSeconds = rawResourceUsage[1]
},
KernelUsage = new TimeValue()
{
Seconds = rawResourceUsage[2], MicroSeconds = rawResourceUsage[3]
},
});
}
else
{
long *rawResourceUsage = stackalloc long[RESOURCE_USAGE_FIELDS_COUNT];
int result = LinuxResourceUsageInterop.getrusage_heapless(scope, new IntPtr(rawResourceUsage));
if (result != 0)
{
return(null);
}
// microseconds are 4 bytes length on mac os and 8 bytes on linux
return(new CpuUsage()
{
UserUsage = new TimeValue()
{
Seconds = *rawResourceUsage, MicroSeconds = rawResourceUsage[1] & 0xFFFFFFFF
},
KernelUsage = new TimeValue()
{
Seconds = rawResourceUsage[2], MicroSeconds = rawResourceUsage[3] & 0xFFFFFFFF
},
});
}
}
internal static unsafe PosixResourceUsage?GetResourceUsageByScope(int scope)
{
if (IntPtr.Size == 4)
{
int *rawResourceUsage = stackalloc int[RESOURCE_USAGE_FIELDS_COUNT];
int result = LinuxResourceUsageInterop.getrusage_heapless(scope, new IntPtr(rawResourceUsage));
if (result != 0)
{
return(null);
}
return(new PosixResourceUsage()
{
UserUsage = new TimeValue()
{
Seconds = *rawResourceUsage, MicroSeconds = rawResourceUsage[1]
},
KernelUsage = new TimeValue()
{
Seconds = rawResourceUsage[2], MicroSeconds = rawResourceUsage[3]
},
MaxRss = rawResourceUsage[4],
SoftPageFaults = rawResourceUsage[8],
HardPageFaults = rawResourceUsage[9],
Swaps = rawResourceUsage[10],
ReadOps = rawResourceUsage[11],
WriteOps = rawResourceUsage[12],
SentIpcMessages = rawResourceUsage[13],
ReceivedIpcMessages = rawResourceUsage[14],
ReceivedSignals = rawResourceUsage[15],
VoluntaryContextSwitches = rawResourceUsage[16],
InvoluntaryContextSwitches = rawResourceUsage[17],
});
}
else
{
long *rawResourceUsage = stackalloc long[RESOURCE_USAGE_FIELDS_COUNT];
int result = LinuxResourceUsageInterop.getrusage_heapless(scope, new IntPtr(rawResourceUsage));
if (result != 0)
{
return(null);
}
// microseconds are 4 bytes length on mac os and 8 bytes on linux
return(new PosixResourceUsage()
{
UserUsage = new TimeValue()
{
Seconds = *rawResourceUsage, MicroSeconds = rawResourceUsage[1] & 0xFFFFFFFF
},
KernelUsage = new TimeValue()
{
Seconds = rawResourceUsage[2], MicroSeconds = rawResourceUsage[3] & 0xFFFFFFFF
},
MaxRss = rawResourceUsage[4],
SoftPageFaults = rawResourceUsage[8],
HardPageFaults = rawResourceUsage[9],
Swaps = rawResourceUsage[10],
ReadOps = rawResourceUsage[11],
WriteOps = rawResourceUsage[12],
SentIpcMessages = rawResourceUsage[13],
ReceivedIpcMessages = rawResourceUsage[14],
ReceivedSignals = rawResourceUsage[15],
VoluntaryContextSwitches = rawResourceUsage[16],
InvoluntaryContextSwitches = rawResourceUsage[17],
});
}
}
