/// <summary>
/// Registers a counter using the counter name and reportAs value to the total list of counters.
/// </summary>
/// <param name="perfCounter">Name of the performance counter.</param>
/// <param name="reportAs">Report as name for the performance counter.</param>
/// <param name="isCustomCounter">Boolean to check if the performance counter is custom defined.</param>
/// <param name="error">Captures the error logged.</param>
/// <param name="blockCounterWithInstancePlaceHolder">Boolean that controls the registry of the counter based on the availability of instance place holder.</param>
public void RegisterCounter(
string perfCounter,
string reportAs,
bool isCustomCounter,
out string error,
bool blockCounterWithInstancePlaceHolder)
{
try
{
bool useInstancePlaceHolder = false;
var pc = PerformanceCounterUtility.CreateAndValidateCounter(perfCounter, null, null, out useInstancePlaceHolder, out error);
if (pc != null)
{
this.RegisterPerformanceCounter(perfCounter, this.GetCounterReportAsName(perfCounter, reportAs), pc.CategoryName, pc.CounterName, pc.InstanceName, useInstancePlaceHolder, false);
}
else
{
// Even if validation failed, we might still be able to collect perf counter in WebApp.
this.RegisterPerformanceCounter(perfCounter, this.GetCounterReportAsName(perfCounter, reportAs), string.Empty, perfCounter, string.Empty, useInstancePlaceHolder, false);
}
}
catch (Exception e)
{
PerformanceCollectorEventSource.Log.WebAppCounterRegistrationFailedEvent(
e.Message,
perfCounter);
error = e.Message;
}
}
/// <summary>
/// Refreshes the counter associated with a specific performance counter data.
/// </summary>
/// <param name="pcd">Target performance counter data to refresh.</param>
private void RefreshCounter(PerformanceCounterData pcd)
{
string dummy;
bool usesInstanceNamePlaceholder;
var pc = PerformanceCounterUtility.CreateAndValidateCounter(
pcd.OriginalString,
this.win32Instances,
this.clrInstances,
out usesInstanceNamePlaceholder,
out dummy);
try
{
this.RefreshPerformanceCounter(pcd);
PerformanceCollectorEventSource.Log.CounterRegisteredEvent(
PerformanceCounterUtility.FormatPerformanceCounter(pc));
}
catch (InvalidOperationException e)
{
PerformanceCollectorEventSource.Log.CounterRegistrationFailedEvent(
e.Message,
PerformanceCounterUtility.FormatPerformanceCounter(pc));
}
}
/// <summary>
/// Registers a counter using the counter name and reportAs value to the total list of counters.
/// </summary>
/// <param name="perfCounterName">Name of the performance counter.</param>
/// <param name="reportAs">Report as name for the performance counter.</param>
/// <param name="isCustomCounter">Boolean to check if the performance counter is custom defined.</param>
/// <param name="error">Captures the error logged.</param>
/// <param name="blockCounterWithInstancePlaceHolder">Boolean that controls the registry of the counter based on the availability of instance place holder.</param>
public void RegisterCounter(
string perfCounterName,
string reportAs,
bool isCustomCounter,
out string error,
bool blockCounterWithInstancePlaceHolder = false)
{
bool usesInstanceNamePlaceholder;
if (!this.dependendentInstancesLoaded)
{
this.LoadDependentInstances();
this.dependendentInstancesLoaded = true;
}
var pc = PerformanceCounterUtility.CreateAndValidateCounter(
perfCounterName,
this.win32Instances,
this.clrInstances,
out usesInstanceNamePlaceholder,
out error);
// If blockCounterWithInstancePlaceHolder is true, then we register the counter only if usesInstanceNamePlaceHolder is true.
if (pc != null && !(blockCounterWithInstancePlaceHolder && usesInstanceNamePlaceholder))
{
this.RegisterCounter(perfCounterName, reportAs, pc, isCustomCounter, usesInstanceNamePlaceholder, out error);
}
}
/// <summary>
/// Registers a counter using the counter name and reportAs value to the total list of counters.
/// </summary>
/// <param name="perfCounter">Name of the performance counter.</param>
/// <param name="reportAs">Report as name for the performance counter.</param>
/// <param name="isCustomCounter">Boolean to check if the performance counter is custom defined.</param>
/// <param name="error">Captures the error logged.</param>
/// <param name="blockCounterWithInstancePlaceHolder">Boolean that controls the registry of the counter based on the availability of instance place holder.</param>
public void RegisterCounter(
string perfCounter,
string reportAs,
bool isCustomCounter,
out string error,
bool blockCounterWithInstancePlaceHolder)
{
error = null;
try
{
bool useInstancePlaceHolder = false;
string parsingError = null;
var pc = PerformanceCounterUtility.CreateAndValidateCounter(perfCounter, null, null, out useInstancePlaceHolder, out parsingError);
if (!string.IsNullOrEmpty(parsingError))
{
error = parsingError;
}
if (pc != null)
{
this.RegisterPerformanceCounter(perfCounter, this.GetCounterReportAsName(perfCounter, reportAs), pc.CategoryName, pc.CounterName, pc.InstanceName, useInstancePlaceHolder, false);
}
else
{
this.RegisterPerformanceCounter(perfCounter, this.GetCounterReportAsName(perfCounter, reportAs), string.Empty, perfCounter, string.Empty, useInstancePlaceHolder, false);
}
}
catch (Exception e)
{
PerformanceCollectorEventSource.Log.WebAppCounterRegistrationFailedEvent(
e.Message,
perfCounter);
error = e.Message;
}
}