public TraceObserver <T> ReadTraceRecords <T>(IObservable <T> source)
{
DateTime startTime = DateTime.Now;
TraceObserver <T> observer = new TraceObserver <T>();
source.Subscribe(observer);
int records = -1;
bool waitResult = false;
while (!waitResult && observer.Records.Count > records)
{
records = observer.Records.Count;
Log.Debug($"waiting for completion:current record count{records}");
waitResult = observer.Completed.Wait(Constants.ThreadSleepMs10000, _fileTasks.CancellationToken);
}
if (!waitResult)
{
_instance.TotalErrors++;
Log.Error($"timed out waiting for observer progress.", source);
}
int totalMs = (int)(DateTime.Now - startTime).TotalMilliseconds;
int recordsCount = observer.Records.Count;
double recordsPerSecond = recordsCount / (totalMs * .001);
Log.Info($"complete:{waitResult} total ms:{totalMs} total records:{recordsCount} records per second:{recordsPerSecond}");
return(observer);
}
public bool TxEtl(FileObject fileObject, string outputFile)
{
// this forces blg output timestamps to use local capture timezone which is utc for azure
// Tx module is not able to determine with PDH api blg source timezone
// todo: verify if needed for etl...
//TimeUtil.DateTimeKind = DateTimeKind.Unspecified;
DateTime startTime = DateTime.Now;
IObservable <EtwNativeEvent> observable = default(IObservable <EtwNativeEvent>);
TraceObserver <EtwNativeEvent> traceSession = default(TraceObserver <EtwNativeEvent>);
//List<EtwNativeEvent> records = new List<EtwNativeEvent>();
List <DtrTraceRecord> csvRecords = new List <DtrTraceRecord>();
// todo: verify if needed for etl...testing pdh found invalid data when using concurrently
// lock (_lockObj)
// {
Log.Debug($"observable creating: {fileObject.FileUri}");
observable = EtwObservable.FromFiles(fileObject.FileUri);
Log.Debug($"observable created: {fileObject.FileUri}");
traceSession = ReadTraceRecords(observable);
Log.Debug($"finished total ms: {DateTime.Now.Subtract(startTime).TotalMilliseconds} reading: {fileObject.FileUri}");
// records = traceSession.Records;
// }
//foreach (EtwNativeEvent record in records)
foreach (EtwNativeEvent record in traceSession.Records)
{
//Log.Info("record", record);
//if (!string.IsNullOrEmpty(record.Value.ToString()))
//{
// string counterValue = record.Value.ToString() == "NaN" ? "0" : record.Value.ToString();
// try
// {
// csvRecords.Add(new CsvCounterRecord()
// {
// Timestamp = record.Timestamp,
// CounterName = record.CounterPath.Replace("\"", "").Trim(),
// CounterValue = Decimal.Parse(counterValue, NumberStyles.AllowExponent | NumberStyles.AllowDecimalPoint),
// Object = record.CounterSet?.Replace("\"", "").Trim(),
// Counter = record.CounterName.Replace("\"", "").Trim(),
// Instance = record.Instance?.Replace("\"", "").Trim(),
// NodeName = fileObject.NodeName,
// FileType = fileObject.FileDataType.ToString(),
// RelativeUri = fileObject.RelativeUri
// });
// }
// catch (Exception ex)
// {
// Log.Exception($"stringValue:{counterValue} exception:{ex}", record);
// }
//}
//else
//{
// Log.Warning($"empty counter value:", record);
//}
}
fileObject.Stream.Write(csvRecords);
Log.Info($"records: {traceSession.Records.Count()} {csvRecords.Count}");
traceSession.Dispose();
return(true);
}
public bool TxBlg(FileObject fileObject, string outputFile)
{
// this forces blg output timestamps to use local capture timezone which is utc for azure
// Tx module is not able to determine with PDH api blg source timezone
TimeUtil.DateTimeKind = DateTimeKind.Unspecified;
DateTime startTime = DateTime.Now;
IObservable <PerformanceSample> observable = default(IObservable <PerformanceSample>);
TraceObserver <PerformanceSample> counterSession = default(TraceObserver <PerformanceSample>);
List <PerformanceSample> records = new List <PerformanceSample>();
List <CsvCounterRecord> csvRecords = new List <CsvCounterRecord>();
// testing pdh found invalid data when using concurrently
lock (_lockObj)
{
Log.Debug($"observable creating: {fileObject.FileUri}");
observable = PerfCounterObservable.FromFile(fileObject.FileUri);
Log.Debug($"observable created: {fileObject.FileUri}");
counterSession = ReadTraceRecords(observable);
Log.Debug($"finished total ms: {DateTime.Now.Subtract(startTime).TotalMilliseconds} reading: {fileObject.FileUri}");
records = counterSession.Records;
}
foreach (PerformanceSample record in records)
{
if (!string.IsNullOrEmpty(record.Value.ToString()))
{
string counterValue = record.Value.ToString() == "NaN" ? "0" : record.Value.ToString();
try
{
csvRecords.Add(new CsvCounterRecord()
{
Timestamp = record.Timestamp,
CounterName = record.CounterPath.Replace("\"", "").Trim(),
CounterValue = Decimal.Parse(counterValue, NumberStyles.AllowExponent | NumberStyles.AllowDecimalPoint),
Object = record.CounterSet?.Replace("\"", "").Trim(),
Counter = record.CounterName.Replace("\"", "").Trim(),
Instance = record.Instance?.Replace("\"", "").Trim(),
NodeName = fileObject.NodeName,
FileType = fileObject.FileDataType.ToString(),
RelativeUri = fileObject.RelativeUri
});
}
catch (Exception ex)
{
Log.Exception($"stringValue:{counterValue} exception:{ex}", record);
}
}
else
{
Log.Warning($"empty counter value:", record);
}
}
fileObject.Stream.Write(csvRecords);
Log.Info($"records: {records.Count()} {csvRecords.Count}");
return(true);
}
