public ICollectorSet Create()
{
// Data collector set is the core abstraction for collecting diagnostic data.
DataCollectorSet dcs = new DataCollectorSet();
// Set base folder to place output files.
dcs.RootPath = this.OutputPath;
// Create a data collector for perf counters.
IPerformanceCounterDataCollector dc = (IPerformanceCounterDataCollector)dcs.DataCollectors.CreateDataCollector(DataCollectorType.plaPerformanceCounter);
dc.name = this.Name + "_DC";
dcs.DataCollectors.Add(dc);
// Set output file name to use a pattern, as described at
// http://msdn.microsoft.com/en-us/library/windows/desktop/aa372131(v=vs.85).aspx .
dc.FileName = this.Name;
dc.FileNameFormat = AutoPathFormat.plaPattern;
dc.FileNameFormatPattern = @"\-yyyyMMdd\-HHmmss";
// Set sample interval, if present.
if (this.SampleInterval.HasValue)
{
dc.SampleInterval = (uint)this.SampleInterval.Value.TotalSeconds;
}
// Set log file format, if present.
if (this.LogFileFormat.HasValue)
{
dc.LogFileFormat = (FileFormat)this.LogFileFormat.Value;
}
// Build up the list of performance counters.
string[] counterNames = new string[this.CounterNames.Count];
for (int i = 0; i < this.CounterNames.Count; ++i)
{
counterNames[i] = this.CounterNames[i].ToString();
}
dc.PerformanceCounters = counterNames;
// Now actually create (or modify existing) the set.
dcs.Commit(this.Name, null, CommitMode.plaCreateOrModify);
// Return an opaque wrapper with which the user can control the session.
return(new CollectorSetWrapper(dcs));
}
private DataCollectorSet ConstructDataCollectorSet()
{
if (string.IsNullOrEmpty(this.performanceLogXmlFile))
{
throw new ArgumentException("performanceLogXmlFile");
}
if (!File.Exists(this.performanceLogXmlFile))
{
throw new ArgumentException(string.Format("PerformanceLogXmlFile {0} does not exist", this.performanceLogXmlFile));
}
string xml = File.ReadAllText(this.performanceLogXmlFile);
if (PerformanceLogSet.twentyFourHours < this.sampleInterval)
{
throw new ArgumentOutOfRangeException("sampleInterval", string.Format("Must be less than or equal to {0} hours", PerformanceLogSet.twentyFourHours.ToString()));
}
if (PerformanceLogSet.twentyFourHours < this.maximumDuration)
{
throw new ArgumentOutOfRangeException("maximumDuration", string.Format("Must be less than or equal to {0} hours", PerformanceLogSet.twentyFourHours.ToString()));
}
DataCollectorSet dataCollectorSet = new DataCollectorSetClass();
dataCollectorSet.SetXml(xml);
dataCollectorSet.Security = null;
IDataCollectorCollection dataCollectors = dataCollectorSet.DataCollectors;
if (1 != dataCollectors.Count || dataCollectors[0].DataCollectorType != null)
{
throw new ArgumentException("performanceLogXmlFile is invalid. It must contain only 1 data collected of type Performance Counter");
}
IPerformanceCounterDataCollector performanceCounterDataCollector = (IPerformanceCounterDataCollector)dataCollectors[0];
if (this.counterSetName == null)
{
throw new ArgumentNullException("counterSetName");
}
dataCollectorSet.DisplayName = this.counterSetName;
performanceCounterDataCollector.FileName = this.counterSetName;
if (this.performanceLogPath != null)
{
dataCollectorSet.RootPath = this.performanceLogPath;
}
if (this.logFormat != null)
{
performanceCounterDataCollector.LogFileFormat = this.logFormat.Value;
}
if (this.fileNameFormat != null)
{
performanceCounterDataCollector.FileNameFormat = this.fileNameFormat.Value;
}
if (0.0 != this.maximumDuration.TotalSeconds)
{
dataCollectorSet.SegmentMaxDuration = (uint)this.maximumDuration.TotalSeconds;
}
if (0.0 != this.sampleInterval.TotalSeconds)
{
performanceCounterDataCollector.SampleInterval = (uint)this.sampleInterval.TotalSeconds;
}
dataCollectorSet.Commit(this.counterSetName, null, 4096);
return(dataCollectorSet);
}
