public static List <UserGPU> GetNvidiaGPUInformation()
{
var gpuList = GetAllNvidiaGPUName();
var resultList = new List <UserGPU>();
if (gpuList != null)
{
var infoProc = new ProcessInvoker(@"C:\Program Files\NVIDIA Corporation\NVSMI\nvidia-smi.exe");
var infoResult = infoProc.GetProcessOutput();
//The start of GPU information row in the table
int currentRow = 8;
try
{
foreach (var gpu in gpuList)
{
//GPU 0: GeForce GTX 750 Ti(UUID: GPU - 73c10860 - 789a - f96f - 6a61 - 023499306183)
var gpuIdList = gpu.Replace(")", " ").Replace("(", " ").Replace("UUID", "").Split(':');
var gpuName = gpuIdList[1].Trim();
var gpuID = gpuIdList[2].Trim();
//Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
//29% 40C P8 1W / 38W | 298MiB / 2048MiB | 0% Default
// 0 1 2 3 4 5 6 7 8
var gpuInfoList = infoResult[currentRow].Replace("|", " ").Replace("/", " ").Split(' ').Where(item => !item.Equals("")).ToList();
UserGPU thisGPU = new UserGPU
{
ID = "-1",
Name = "NVIDIA " + gpuName,
FanSpeed = Regex.Match(gpuInfoList[0], @"\d+").Value.Length <= 0 ? -1 : int.Parse(Regex.Match(gpuInfoList[0], @"\d+").Value),
Temperature = Regex.Match(gpuInfoList[1], @"\d+").Value.Length <= 0 ? -1 : int.Parse(Regex.Match(gpuInfoList[1], @"\d+").Value),
PowerUsage = Regex.Match(gpuInfoList[3], @"\d+").Value.Length <= 0 ? -1 : int.Parse(Regex.Match(gpuInfoList[3], @"\d+").Value),
PowerLimit = Regex.Match(gpuInfoList[4], @"\d+").Value.Length <= 0 ? -1 : int.Parse(Regex.Match(gpuInfoList[4], @"\d+").Value),
MemoryUsage = Regex.Match(gpuInfoList[5], @"\d+").Value.Length <= 0 || Regex.Match(gpuInfoList[6], @"\d+").Value.Length <= 0 ? -1 : 100 * float.Parse(Regex.Match(gpuInfoList[5], @"\d+").Value) / float.Parse(Regex.Match(gpuInfoList[6], @"\d+").Value),
MemoryTotal = Regex.Match(gpuInfoList[6], @"\d+").Value.Length <= 0 ? -1 : int.Parse(Regex.Match(gpuInfoList[6], @"\d+").Value),
MemoryUtilization = Regex.Match(gpuInfoList[7], @"\d+").Value.Length <= 0 ? -1 : int.Parse(Regex.Match(gpuInfoList[7], @"\d+").Value)
};
resultList.Add(thisGPU);
//Next row
currentRow += 3;
}
}
catch (Exception ex)
{
EventLogger.WriteLog("READ NVIDIA GPU ERROR", ex.ToString());
return(resultList);
}
}
return(resultList);
}
public static List <string> GetAllNvidiaGPUName()
{
try
{
if (File.Exists(@"C:\Program Files\NVIDIA Corporation\NVSMI\nvidia-smi.exe"))
{
var proc = new ProcessInvoker(@"C:\Program Files\NVIDIA Corporation\NVSMI\nvidia-smi.exe", "-L");
var result = proc.GetProcessOutput();
var error = result.FirstOrDefault(item => item.Contains("has failed") || item.Contains("Not Found") || item.Contains("NVIDIA-SMI couldn't find nvml.dll"));
if (error != null)
{
return(null);
}
else
{
return(result);
}
}
else
{
/*
* var proc = new ProcessInvoker("nvidia-smi.exe", "-L");
* var result = proc.GetProcessOutput();
* var error = result.FirstOrDefault(item => item.Contains("has failed") || item.Contains("Not Found") || item.Contains("NVIDIA-SMI couldn't find nvml.dll"));
* if (error != null) return null;
* else return result;
*/
return(null);
}
}
catch (Exception ex)
{
EventLogger.WriteLog("FIND NVIDIA GPU ERROR", ex.ToString());
return(null);
}
}