public SystemStatsHelper(ILogger log, ICheckpoint writerCheckpoint)
{
Ensure.NotNull(log, "log");
Ensure.NotNull(writerCheckpoint, "writerCheckpoint");
_log = log;
_writerCheckpoint = writerCheckpoint;
_perfCounter = new PerfCounterHelper(_log);
}
public SystemStatsHelper(ILogger log, ICheckpoint writerCheckpoint, string dbPath, long collectIntervalMs)
{
Ensure.NotNull(log, "log");
Ensure.NotNull(writerCheckpoint, "writerCheckpoint");
_log = log;
_writerCheckpoint = writerCheckpoint;
_perfCounter = new PerfCounterHelper(_log);
_eventCountersHelper = new EventCountersHelper(collectIntervalMs);
_dbPath = dbPath;
}
private void GetPerfCounterInformation(Dictionary <string, object> stats, int count)
{
if (_giveup)
{
return;
}
var process = Process.GetCurrentProcess();
try
{
_perfCounter.RefreshInstanceName();
var procCpuUsage = _perfCounter.GetProcCpuUsage();
stats["proc-startTime"] = process.StartTime.ToUniversalTime().ToString("O");
stats["proc-id"] = process.Id;
stats["proc-mem"] = new StatMetadata(process.WorkingSet64, "Process", "Process Virtual Memory");
stats["proc-cpu"] = new StatMetadata(procCpuUsage, "Process", "Process Cpu Usage");
stats["proc-cpuScaled"] = new StatMetadata(procCpuUsage / Environment.ProcessorCount, "Process", "Process Cpu Usage Scaled by Logical Processor Count");
stats["proc-threadsCount"] = _perfCounter.GetProcThreadsCount();
stats["proc-contentionsRate"] = _perfCounter.GetContentionsRateCount();
stats["proc-thrownExceptionsRate"] = _perfCounter.GetThrownExceptionsRate();
stats["sys-cpu"] = _perfCounter.GetTotalCpuUsage();
stats["sys-freeMem"] = GetFreeMem();
var gcStats = _perfCounter.GetGcStats();
stats["proc-gc-allocationSpeed"] = gcStats.AllocationSpeed;
stats["proc-gc-gen0ItemsCount"] = gcStats.Gen0ItemsCount;
stats["proc-gc-gen0Size"] = gcStats.Gen0Size;
stats["proc-gc-gen1ItemsCount"] = gcStats.Gen1ItemsCount;
stats["proc-gc-gen1Size"] = gcStats.Gen1Size;
stats["proc-gc-gen2ItemsCount"] = gcStats.Gen2ItemsCount;
stats["proc-gc-gen2Size"] = gcStats.Gen2Size;
stats["proc-gc-largeHeapSize"] = gcStats.LargeHeapSize;
stats["proc-gc-timeInGc"] = gcStats.TimeInGc;
stats["proc-gc-totalBytesInHeaps"] = gcStats.TotalBytesInHeaps;
}
catch (InvalidOperationException)
{
_log.Info("Received error reading counters. Attempting to rebuild.");
_perfCounter = new PerfCounterHelper(_log);
_giveup = count > 10;
if (_giveup)
{
_log.Error("Maximum rebuild attempts reached. Giving up on rebuilds.");
}
else
{
GetPerfCounterInformation(stats, count + 1);
}
}
}
public async void StartLogging()
{
while (!_disposed)
{
await Task.Delay(_logFrequency);
// Get system CPU
string CPU = PerfCounterHelper.GetSystemCPU();
// Get process's working memory in MB
Process curProcess = Process.GetCurrentProcess();
long procMemoryMB = curProcess.WorkingSet64 >> 20;
// Add data to CSV
DateTime now = DateTime.Now;
writeToCSV(now, CPU, procMemoryMB);
if (_logToConsole)
{
Console.WriteLine($"[{now}]: CPU: {CPU}%, Memory: {procMemoryMB} MB");
}
}
}
private void GetPerfCounterInformation(Dictionary <string, object> stats, int count)
{
if (_giveup)
{
return;
}
var process = Process.GetCurrentProcess();
try
{
stats["proc-startTime"] = process.StartTime.ToUniversalTime().ToString("O");
stats["proc-id"] = process.Id;
stats["proc-mem"] = new StatMetadata(process.WorkingSet64, "Process", "Process Virtual Memory");
stats["proc-cpu"] = new StatMetadata(_perfCounter.GetProcCpuUsage(), "Process", "Process Cpu Usage");
stats["proc-threadsCount"] = _perfCounter.GetProcThreadsCount();
stats["proc-contentionsRate"] = _perfCounter.GetContentionsRateCount();
stats["proc-thrownExceptionsRate"] = _perfCounter.GetThrownExceptionsRate();
stats["sys-cpu"] = _perfCounter.GetTotalCpuUsage();
stats["sys-freeMem"] = GetFreeMem();
}
catch (InvalidOperationException)
{
_log.Info("Received error reading counters. Attempting to rebuild.");
_perfCounter = new PerfCounterHelper(_log);
_giveup = count > 10;
if (_giveup)
{
_log.Error("Maximum rebuild attempts reached. Giving up on rebuilds.");
}
else
{
GetPerfCounterInformation(stats, count + 1);
}
}
}
private void GetPerfCounterInformation(Dictionary <string, object> stats, int count)
{
if (_giveup)
{
return;
}
var process = Process.GetCurrentProcess();
try {
stats["proc-startTime"] = process.StartTime.ToUniversalTime().ToString("O");
stats["proc-id"] = process.Id;
stats["proc-mem"] = new StatMetadata(process.WorkingSet64, "Process", "Process Virtual Memory");
stats["proc-cpu"] = new StatMetadata(_eventCountersHelper.GetProcCpuUsage(), "Process", "Process Cpu Usage");
stats["proc-threadsCount"] = _eventCountersHelper.GetProcThreadsCount();
stats["proc-contentionsRate"] = _eventCountersHelper.GetContentionsRateCount();
stats["proc-thrownExceptionsRate"] = _eventCountersHelper.GetThrownExceptionsRate();
switch (OS.OsFlavor)
{
case OsFlavor.Windows:
stats["sys-cpu"] = _perfCounter.GetTotalCpuUsage();
break;
case OsFlavor.Linux:
case OsFlavor.MacOS:
var loadAverages = _hostStat.GetLoadAverages();
stats["sys-loadavg-1m"] = loadAverages.Average1m;
stats["sys-loadavg-5m"] = loadAverages.Average5m;
stats["sys-loadavg-15m"] = loadAverages.Average15m;
break;
default:
stats["sys-cpu"] = -1;
break;
}
stats["sys-freeMem"] = GetFreeMem();
var gcStats = _eventCountersHelper.GetGcStats();
stats["proc-gc-allocationSpeed"] = gcStats.AllocationSpeed;
stats["proc-gc-gen0ItemsCount"] = gcStats.Gen0ItemsCount;
stats["proc-gc-gen0Size"] = gcStats.Gen0Size;
stats["proc-gc-gen1ItemsCount"] = gcStats.Gen1ItemsCount;
stats["proc-gc-gen1Size"] = gcStats.Gen1Size;
stats["proc-gc-gen2ItemsCount"] = gcStats.Gen2ItemsCount;
stats["proc-gc-gen2Size"] = gcStats.Gen2Size;
stats["proc-gc-largeHeapSize"] = gcStats.LargeHeapSize;
stats["proc-gc-timeInGc"] = gcStats.TimeInGc;
stats["proc-gc-totalBytesInHeaps"] = gcStats.TotalBytesInHeaps;
} catch (InvalidOperationException) {
_log.Information("Received error reading counters. Attempting to rebuild.");
_perfCounter = new PerfCounterHelper(_log);
_giveup = count > 10;
if (_giveup)
{
_log.Error("Maximum rebuild attempts reached. Giving up on rebuilds.");
}
else
{
GetPerfCounterInformation(stats, count + 1);
}
}
}
public override object GetValue(IDictionary <string, object> evt)
{
decimal cpuUtilization = (decimal)PerfCounterHelper.GetCurrentCpuCounter();
return(cpuUtilization);
}
