/*********
** Public methods
*********/
/// <summary>Get a collection by name and creates it if it doesn't exist.</summary>
/// <param name="name">The name of the collection.</param>
private PerformanceCounterCollection GetOrCreateCollectionByName(string name)
{
if (!this.Collections.TryGetValue(name, out PerformanceCounterCollection collection))
{
collection = new PerformanceCounterCollection(this, name);
this.Collections[name] = collection;
}
return(collection);
}
/// <summary>Track the invocation time for a collection.</summary>
/// <param name="collectionName">The name of the collection.</param>
/// <param name="action">The action to execute and track.</param>
public void Track(string collectionName, Action action)
{
if (!this.EnableTracking)
{
action();
return;
}
PerformanceCounterCollection collection = this.GetOrCreateCollectionByName(collectionName);
collection.BeginTrackInvocation();
try
{
action();
}
finally
{
collection.EndTrackInvocation();
}
}
/// <summary>Track a single performance counter invocation in a specific collection.</summary>
/// <param name="collectionName">The name of the collection.</param>
/// <param name="sourceName">The name of the source.</param>
/// <param name="action">The action to execute and track.</param>
public void Track(string collectionName, string sourceName, Action action)
{
if (!this.EnableTracking)
{
action();
return;
}
PerformanceCounterCollection collection = this.GetOrCreateCollectionByName(collectionName);
DateTime eventTime = DateTime.UtcNow;
this.InvocationStopwatch.Reset();
this.InvocationStopwatch.Start();
try
{
action();
}
finally
{
this.InvocationStopwatch.Stop();
collection.Track(sourceName, new PerformanceCounterEntry(eventTime, this.InvocationStopwatch.Elapsed.TotalMilliseconds));
}
}
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="parentCollection">The collection to which this performance counter belongs.</param>
/// <param name="source">The name of the source.</param>
public PerformanceCounter(PerformanceCounterCollection parentCollection, string source)
{
this.ParentCollection = parentCollection;
this.Source = source;
this.Entries = new Stack <PerformanceCounterEntry>(this.MaxEntries);
}
