/// <summary>
/// Rebinds performance counters to Windows resources.
/// </summary>
public void RefreshPerformanceCounter(PerformanceCounterData pcd, PerformanceCounter pc)
{
this.performanceCounters.Remove(pcd);
this.RegisterPerformanceCounter(
pcd.OriginalString,
pcd.ReportAs,
pc.CategoryName,
pc.CounterName,
pc.InstanceName,
pcd.UsesInstanceNamePlaceholder,
pcd.IsCustomCounter);
}
/// <summary>
/// Rebinds performance counters to Windows resources.
/// </summary>
public void RefreshPerformanceCounter(PerformanceCounterData pcd, PerformanceCounter pc)
{
this.performanceCounters.Remove(pcd);
this.RegisterPerformanceCounter(
pcd.OriginalString,
pcd.ReportAs,
pc.CategoryName,
pc.CounterName,
pc.InstanceName,
pcd.UsesInstanceNamePlaceholder,
pcd.IsCustomCounter);
}
private void RefreshCounter(
PerformanceCounterData pcd,
IEnumerable<string> win32Instances,
IEnumerable<string> clrInstances)
{
string dummy;
bool usesInstanceNamePlaceholder;
var pc = this.CreateCounter(
pcd.OriginalString,
win32Instances,
clrInstances,
out usesInstanceNamePlaceholder,
out dummy);
try
{
this.collector.RefreshPerformanceCounter(pcd, pc);
PerformanceCollectorEventSource.Log.CounterRegisteredEvent(
PerformanceCounterUtility.FormatPerformanceCounter(pc));
}
catch (InvalidOperationException e)
{
PerformanceCollectorEventSource.Log.CounterRegistrationFailedEvent(
e.Message,
PerformanceCounterUtility.FormatPerformanceCounter(pc));
}
}
/// <summary>
/// Creates a metric telemetry associated with the PerformanceCounterData, with the respective float value.
/// </summary>
/// <param name="pc">PerformanceCounterData for which we are generating the telemetry.</param>
/// <param name="value">The metric value for the respective performance counter data.</param>
/// <returns>Metric telemetry object associated with the specific counter.</returns>
private MetricTelemetry CreateTelemetry(PerformanceCounterData pc, double value)
{
var metricName = !string.IsNullOrWhiteSpace(pc.ReportAs)
? pc.ReportAs
: string.Format(
CultureInfo.InvariantCulture,
"{0} - {1}",
pc.CategoryName,
pc.CounterName);
var metricTelemetry = new MetricTelemetry()
{
Name = metricName,
Count = 1,
Sum = value,
Min = value,
Max = value,
StandardDeviation = 0
};
metricTelemetry.Properties.Add("CounterInstanceName", pc.InstanceName);
metricTelemetry.Properties.Add("CustomPerfCounter", "true");
return metricTelemetry;
}
public void RefreshPerformanceCounter(PerformanceCounterData pcd)
{
}
